{"product_id":"enerzone-solution-3-5-wood-insert","title":"Enerzone Solution 3.5 Wood Insert","description":"\u003cstyle\u003e\n  .km-desc, .km-desc * { box-sizing: border-box; max-width: 100%; }\n  .km-desc { width: 100%; }\n  .km-desc p { margin: 0 0 14px; }\n  .km-desc h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600; color: #9B774D; margin: 22px 0 10px; }\n  .km-desc .spec-list { margin: 12px 0 0; }\n  .km-desc .spec-row { padding: 14px 0; border-bottom: 1px solid rgba(75,72,75,0.12); }\n  .km-desc .spec-row:first-child { border-top: 1px solid rgba(75,72,75,0.35); padding-top: 14px; }\n  .km-desc .spec-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1.2px; font-weight: 600; color: #4B484B; margin-bottom: 6px; }\n  .km-desc .spec-value { font-weight: 600; font-size: 15px; color: #231F20; margin-bottom: 6px; line-height: 1.35; }\n  .km-desc .spec-meaning { color: #4B484B; font-size: 13px; line-height: 1.55; }\n  @media (min-width: 720px) {\n    .km-desc .spec-row { display: grid; grid-template-columns: 38% 30% 1fr; gap: 16px; align-items: start; padding: 12px 0; }\n    .km-desc .spec-label { margin-bottom: 0; align-self: center; }\n    .km-desc .spec-value { margin-bottom: 0; font-size: 14px; align-self: center; }\n    .km-desc .spec-meaning { font-size: 13px; }\n    .km-desc .spec-row:first-child { padding-top: 12px; }\n  }\n  .km-desc .data-row { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; padding: 12px 0; border-bottom: 1px solid rgba(75,72,75,0.12); align-items: baseline; font-size: 13px; }\n  .km-desc .data-head + .data-row { border-top: 1px solid rgba(75,72,75,0.35); }\n  .km-desc .data-row .data-label { color: #4B484B; line-height: 1.4; }\n  .km-desc .data-row .data-val { font-weight: 600; color: #231F20; text-align: right; min-width: 56px; }\n  .km-desc .data-head { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; padding-bottom: 8px; font-size: 10px; text-transform: uppercase; letter-spacing: 1.2px; font-weight: 600; color: #4B484B; }\n  .km-desc .data-head span:nth-child(2), .km-desc .data-head span:nth-child(3) { text-align: right; min-width: 56px; }\n  .km-desc ul { list-style: none; padding: 0; margin: 10px 0 14px; }\n  .km-desc ul li { padding: 4px 0 4px 18px; position: relative; line-height: 1.55; }\n  .km-desc ul li:before { content: \"—\"; position: absolute; left: 0; color: #9B774D; font-weight: 500; }\n  .km-desc .compare-row { padding: 14px 0; border-bottom: 1px solid rgba(75,72,75,0.12); }\n  .km-desc .compare-row:last-child { border-bottom: 0; }\n  .km-desc .compare-name { font-weight: 600; color: #231F20; display: inline-block; padding-bottom: 1px; }\n  .km-desc .compare-orient { color: #4B484B; margin-top: 4px; font-size: 13px; line-height: 1.5; }\n  .km-desc .pull { font-style: italic; font-size: clamp(16px, 4.2vw, 22px); line-height: 1.4; color: #231F20; border-left: 2px solid #9B774D; padding: 0 0 0 16px; margin: 32px 0 16px; }\n  .km-desc .lede { font-size: clamp(16px, 4vw, 22px); line-height: 1.4; letter-spacing: -0.2px; font-weight: 400; color: #231F20; margin: 0 0 24px; }\n  .km-desc .warranty-note { font-size: 12px; color: #4B484B; font-style: italic; margin-top: 14px; }\n  .km-desc details { border-top: 1px solid rgba(75,72,75,0.18); margin: 0; padding: 0; }\n  .km-desc details:last-of-type { border-bottom: 1px solid rgba(75,72,75,0.18); }\n  .km-desc details \u003e summary { list-style: none; cursor: pointer; padding: 18px 32px 18px 0; position: relative; font-size: clamp(16px, 4.2vw, 20px); line-height: 1.3; font-weight: 500; color: #231F20; letter-spacing: -0.2px; }\n  .km-desc details \u003e summary::-webkit-details-marker { display: none; }\n  .km-desc details \u003e summary::after { content: \"+\"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 22px; font-weight: 300; color: #9B774D; line-height: 1; }\n  .km-desc details[open] \u003e summary::after { content: \"−\"; }\n  .km-desc details \u003e summary:focus-visible { outline: 2px solid #9B774D; outline-offset: 4px; }\n  .km-desc details \u003e .acc-body { padding: 0 0 28px 0; }\n\u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #231f20; line-height: 1.55; width: 100%; max-width: 100%; box-sizing: border-box; margin: 0; padding: 0; font-size: 16px; overflow-wrap: break-word; word-wrap: break-word; word-break: normal;\"\u003e\n\u003cdiv class=\"km-desc\"\u003e\n\u003cp class=\"lede\"\u003eA 3.5 ft³ non-catalytic steel wood insert designed to slide into a large existing masonry fireplace with a 26 1\/4\" × 31\" × 18 3\/8\" minimum opening. EPA 2020 cordwood certified at 71% HHV efficiency, with a 144 CFM included blower and a 22-inch maximum east-west log capacity. Configurable faceplate size: 32\" × 44\" or 32\" × 50\", with matching faceplate trim in Black or Brushed Nickel. The largest non-catalytic insert in the Enerzone lineup.\u003c\/p\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWho this is for\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003ch3\u003eRight buyer\u003c\/h3\u003e\n\u003cp\u003eOwners of a large existing masonry fireplace who want serious primary heat output instead of a decorative open fire — single-family homes, well-insulated cabins, or open-plan spaces of roughly 1,500–2,400 sq ft, with reasonable insulation and access to seasoned hardwood at 15–20% moisture content.\u003c\/p\u003e\n\u003cp\u003eSuited to homeowners whose existing masonry opening is large enough to accept a 26 1\/4\" tall × 31\" wide × 18 3\/8\" deep minimum footprint — meaningfully larger than what most small inserts require. The 22-inch maximum log capacity, 144 CFM included blower, and 3.5 ft³ firebox put this in serious primary-heat territory, not supplemental.\u003c\/p\u003e\n\u003cp\u003eBuyers who want a finished install with their choice of faceplate sizing and trim color: 32\" × 44\" for moderate-sized openings, 32\" × 50\" for larger openings, with matching faceplate trim in Black or Brushed Nickel. The faceplate ships with the unit; configuration is selected at order.\u003c\/p\u003e\n\u003ch3\u003eWrong buyer\u003c\/h3\u003e\n\u003cp\u003eNot for buyers with smaller hearths. The 31-inch minimum width alone excludes a substantial percentage of older masonry fireplaces — measure before buying. If your opening is borderline, the smaller Destination 1.9 (25-inch minimum width) is the right tool.\u003c\/p\u003e\n\u003cp\u003eNot for buyers who want set-and-forget heating. Wood-burning inserts require active operation: lighting, monitoring, closing the air at the right moment, deciding when to reload. The 3.5 ft³ firebox can leave usable coals after a long burn, but do not expect steady, high output through an entire night.\u003c\/p\u003e\n\u003cp\u003eNot for buyers expecting 14–20+ hour overnight burns. Non-catalytic stoves give you 6–8 hours of useful heat from a packed firebox of dense hardwood, occasionally approaching the 10-hour manufacturer maximum with mild weather and a full coal bed; for longer burns, a catalytic or hybrid insert is the right tool.\u003c\/p\u003e\n\u003cp\u003eNot for small spaces under 1,200 sq ft — at this firebox volume the insert can easily overheat the room at any meaningful burn rate, forcing low burns that smolder, blacken the glass, and produce creosote.\u003c\/p\u003e\n\u003cp\u003eNot for prefab metal fireplaces — those need a different appliance entirely. Not approved for mobile-home or alcove installation.\u003c\/p\u003e\n\u003cp\u003eNot for buyers without a code-compliant masonry fireplace and chimney. The Solution 3.5 Insert requires a continuous 6-inch listed stainless-steel liner from the insert to the top of the chimney; that liner and its installation are not included in the appliance price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAt a glance\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003cdiv class=\"spec-list\"\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eCombustion technology\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eNon-catalytic\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eSecondary-air tubes reignite smoke gases. No catalyst to replace; one air-control lever; simpler operation than a cat insert but shorter low-and-slow burn times.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eInstallation type\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eMasonry insert\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eInstalls inside an existing code-compliant masonry fireplace with a continuous stainless-steel chimney liner. Not approved for factory-built fireplaces, mobile homes, alcoves, or freestanding installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eFirebox volume\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e3.5 ft³ overall \/ 2.88 ft³ EPA\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eAmong the larger non-cat insert fireboxes on the market. Loads up to 50 lb of cordwood when packed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eMaximum heat output\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e110,000 BTU\/hr\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003ePeak output on dry cordwood, transient. Sustained output across a burn cycle is substantially lower.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eTested output range\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e17,200–57,800 BTU\/hr\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003ePer CSA B415.1-10 stack-loss method. The realistic operating band buyers should plan around.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eHeating range\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e1,000–2,700 sq ft\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eManufacturer's stated range. Real-world comfort sizing for primary heat is roughly 1,500–2,400 sq ft in moderate climates and lower in cold climates or older homes — depends on insulation, layout, climate, ceiling height, fuel quality, and installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eAverage efficiency\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e71% HHV \/ 76% LHV\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003e77% optimum efficiency at low burn rate (LHV). HHV is the federal standard. Government incentives may apply by jurisdiction and installation date.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eParticulate emissions\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e1.6 g\/hr\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eEPA 2020 limits are 2.0 g\/hr crib-wood or 2.5 g\/hr cordwood. The insert is listed as compliant with the 2020 cordwood standard.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eMaximum burn time\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eUp to 10 hours\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eManufacturer maximum from a packed load of dry hardwood with the air shut down hard. Useful heat through a burn cycle is realistically 6–8 hours.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eRecommended log length\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e16 in east-west\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003ePer manual. Most firewood suppliers cut to this length.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eMaximum log length\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e22 in east-west\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eLonger logs go east-west (sides visible). Shorter splits can be loaded over depth, north-south, which most owners prefer for overnight loads.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eConstruction\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eCarbon steel, cast-iron door\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eWelded carbon-steel firebox with a cast-iron arched door frame. Lifetime warranty on the combustion-chamber welds.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eBaffle\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eC-Cast\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eRigid aluminosilicate fiber baffle rated above 2,000 °F.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eGlass\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e18 3\/4\" × 12 1\/2\", ceramic\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eLarge arched ceramic glass, 5\/32\" (4 mm) thick, with air-wash. Substantial viewing area for the firebox class.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eBlower\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eUp to 144 CFM, included\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eVariable-speed crossflow blower (HI \/ LO \/ OFF) with included thermodisc heat sensor for automatic on\/off based on insert temperature. Per the manual, the blower can deliver up to about a 2% efficiency boost when used regularly.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eFlue connection\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e6 in\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eTop of the unit. Requires a continuous 6-inch listed stainless-steel chimney liner to the top of the chimney. Per manual, minimum chimney height 15 feet. Sold separately.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eCombustion chamber\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e22 7\/8\" W × 20 1\/8\" D × 12 7\/8\" H\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eInside firebox dimensions per manual. Loading supported both over width (E-W) and over depth (N-S) for appropriately sized logs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eDoor opening\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e19\" W × 10 5\/8\" H\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eLoading door opening. Accommodates 22-inch logs loaded east-west.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eMinimum masonry opening\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e26 1\/4\" H × 31\" W × 18 3\/8\" D\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003ePer manual. Substantial opening required — measure carefully before ordering. See \"Where it can go\" for faceplate options.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eShipping weight\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e562 lb\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003ePlan for multi-person handling. Remove loose internal components as appropriate during installation to reduce handling weight.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-label\"\u003eCountry of origin\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eMade in Canada\u003c\/div\u003e\n\u003cdiv class=\"spec-meaning\"\u003eManufactured by Stove Builder International (SBI) in Saint-Augustin-de-Desmaures, Quebec.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhere it can go\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003cp\u003eThe Solution 3.5 Insert is designed to slide into an existing code-compliant masonry fireplace with a connected and inspected masonry chimney. It is not approved for installation in a factory-built (prefab) metal fireplace, in a mobile home, in any outdoor or unconditioned space, or as a freestanding stove.\u003c\/p\u003e\n\u003ch3\u003eMinimum masonry opening\u003c\/h3\u003e\n\u003cdiv class=\"data-head\"\u003e\n\u003cspan\u003eDimension\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eMin\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eHeight\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e26 1\/4\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eWidth\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e31\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eDepth\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e18 3\/8\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 14px;\"\u003eIf a fresh-air intake is being installed, add at least 4 inches to the width. Plan for a small installation margin above the insert to seat the liner adapter — an opening exactly at the minimum will be a tight install. Measure carefully before ordering.\u003c\/p\u003e\n\u003ch3\u003eFaceplate options\u003c\/h3\u003e\n\u003cdiv class=\"data-head\"\u003e\n\u003cspan\u003eConfiguration\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eSize\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eRegular faceplate\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e32\" × 44\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eLarge faceplate\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e32\" × 50\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 14px;\"\u003eFaceplate frame and trim are configured together at order. Each size is available in Black or Brushed Nickel trim. The Regular faceplate fits moderate-sized openings; the Large extends the cover area for larger openings.\u003c\/p\u003e\n\u003ch3\u003eClearances to combustibles\u003c\/h3\u003e\n\u003cdiv class=\"data-head\"\u003e\n\u003cspan\u003eSurface\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eMin\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eAdjacent combustible side wall\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e19\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eFaceplate to combustible side or top surround\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e9\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eCombustible mantel shelf\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e27\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eCombustible top surround projection\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e27\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003ePlatform \/ floor protection to ceiling\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e84\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-head\" style=\"margin-top: 18px;\"\u003e\n\u003cspan\u003eSurface\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eMax thickness\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eCombustible side surround\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e5\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eCombustible mantel shelf projection\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e12\"\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 14px;\"\u003eReduced clearances are not available by means of heat shields on this insert — the figures above are the binding minimums.\u003c\/p\u003e\n\u003ch3\u003eFloor protection\u003c\/h3\u003e\n\u003cp\u003eThe hearth extension must be a continuous non-combustible surface in front of the door opening. In the USA, floor protection is measured from the door opening and must follow the manual's hearth-extension calculation; in Canada, 18 inches forward and 8 inches each side are typical requirements, subject to the manual notes and local code. Tile alone is not sufficient — the manual requires a continuous non-combustible sheet beneath any tile installation. If the existing masonry hearth extension is long enough, additional floor protection may not be needed. If added floor protection is required in front of a hearth that is level with, or raised 5 inches or less above, the combustible floor, the added protection must meet the manual's R-value requirement. If the masonry hearth is raised more than 5 inches, standard non-combustible ember protection may be sufficient. Final hearth protection must be calculated from the manual's floor-protection worksheet and approved by the installer\/AHJ.\u003c\/p\u003e\n\u003ch3\u003eChimney and liner\u003c\/h3\u003e\n\u003cp\u003eThe Solution 3.5 Insert requires a continuous 6-inch stainless-steel chimney liner extending from the insert flue collar to the top of the chimney. The liner must conform to ULC S635 or CAN\/ULC-S640 (Canada) or UL 1777 (USA) and be rated for solid fuel. The minimum liner height is 15 feet, subject to installer verification, certification label, draft conditions, and local code. The chimney must extend at least 3 feet above the highest point of contact with the roof and at least 2 feet above any roof line or obstacle within 10 feet horizontally.\u003c\/p\u003e\n\u003cp\u003eThe insert is not approved for a \"positive flue connection\" to clay tile — a continuous stainless liner is required.\u003c\/p\u003e\n\u003cp\u003eAn insulated liner (or pre-insulated liner with a 1\/2-inch wrap) is strongly recommended even for interior chimneys. It improves draft, reduces creosote, and is required by code in some jurisdictions for clearance reasons. A sheet-metal block-off plate sealed at the damper level with high-temp silicone and backed with mineral wool insulation is likewise optional under code but effectively required in practice for the insert to deliver rated performance — without it, jacket-recovered heat is lost into the smoke chamber.\u003c\/p\u003e\n\u003ch3\u003eOutside air\u003c\/h3\u003e\n\u003cp\u003eAn optional fresh-air intake kit is available for code jurisdictions requiring outside combustion air, or for tight new-construction homes with mechanical ventilation. In conventional homes the manual identifies room air as the safest and most reliable supply for combustion; almost all houses have enough natural leakage to provide what the insert needs. A smoke detector and carbon monoxide detector are required in the room where the insert is installed.\u003c\/p\u003e\n\u003ch3\u003eCode compliance\u003c\/h3\u003e\n\u003cp\u003eCode compliance for any specific installation is determined by the local Authority Having Jurisdiction. Manufacturer listings cover what the insert is approved for; the AHJ approves what is permitted at your address. A WETT (Canada), NFI, or CSIA (USA) certified installer is strongly recommended and frequently required by code, permit, or insurance. Confirm local requirements before purchasing — particularly in EPA non-attainment counties and in HOA jurisdictions where new wood-burning installs may be restricted.\u003c\/p\u003e\n\u003ch3\u003eCalifornia Proposition 65\u003c\/h3\u003e\n\u003cp\u003eThis product can expose you to chemicals including carbon monoxide, which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat's in the box, what you'll add\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003ch3\u003eShips with the insert\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSolution 3.5 Insert (EB00062) with welded carbon-steel firebox and cast-iron arched door\u003c\/li\u003e\n\u003cli\u003eFaceplate frame and trim, configured together at order — see \"Where it can go\" for options\u003c\/li\u003e\n\u003cli\u003e144 CFM variable-speed crossflow blower with included thermodisc heat sensor for automatic on\/off\u003c\/li\u003e\n\u003cli\u003eAsh lip\u003c\/li\u003e\n\u003cli\u003eC-Cast baffle and stainless-steel secondary-air tube assembly\u003c\/li\u003e\n\u003cli\u003eRefractory firebrick lining\u003c\/li\u003e\n\u003cli\u003eRemovable wood-grip air-control handle\u003c\/li\u003e\n\u003cli\u003eOwner's manual and product documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSold separately\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6-inch stainless-steel chimney liner sized for the full height of the chimney, with appliance connector, top plate, and rain cap — required, not optional\u003c\/li\u003e\n\u003cli\u003eOptional offset liner adapter (SBI AC01214) — for installations where the masonry flue is offset from the insert\u003c\/li\u003e\n\u003cli\u003eOptional liner hook-up system (SBI AC02006) — simplifies liner-to-flue-collar connection\u003c\/li\u003e\n\u003cli\u003eInsulation wrap for the liner (or a pre-insulated liner) — strongly recommended for all installs, code-required in some\u003c\/li\u003e\n\u003cli\u003eSheet-metal block-off plate, high-temp silicone, and mineral wool insulation — effectively required in practice for the insert to deliver rated performance\u003c\/li\u003e\n\u003cli\u003eHearth pad or hearth extension sized to manual specifications, with continuous non-combustible sheet beneath any tile\u003c\/li\u003e\n\u003cli\u003eOptional tempered glass hearth pad 10mm 18\" × 50\" (SBI AC02760)\u003c\/li\u003e\n\u003cli\u003eOptional 5-inch fresh-air intake kit (SBI AC01298) — for code jurisdictions requiring outside combustion air or for tight new-construction homes\u003c\/li\u003e\n\u003cli\u003eOptional 5-inch × 4' insulated flex pipe for fresh-air intake (SBI AC02090) — HVAC type, ULC S110 or UL 181 class 0 or class 1\u003c\/li\u003e\n\u003cli\u003eOptional rigid fire screen (SBI AC01281) — not permitted for open-door use in the United States or in Canadian provinces\/jurisdictions with particulate-emission limits; never leave the insert unattended when used with a fire screen\u003c\/li\u003e\n\u003cli\u003ePin-type wood moisture meter — not optional in practice\u003c\/li\u003e\n\u003cli\u003eFlue thermometer or installer-recommended temperature-monitoring method — strongly recommended; not optional in practice\u003c\/li\u003e\n\u003cli\u003eInstallation by an authorized qualified technician (WETT, NFI, or CSIA certified) — required for warranty coverage and often required by code, permit, or insurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow it actually performs\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003cp\u003eThe 110,000 BTU\/hr figure is a maximum-output rating based on dry cordwood at high loading density and short reload intervals. It is real, but it is a peak rating, not the average output across a full burn cycle of normal operation. The figure that matters for daily life is the sustained output across a full burn cycle, which lands in a 25,000–55,000 BTU\/hr band depending on wood density, moisture, and air setting.\u003c\/p\u003e\n\u003cp\u003eA realistic burn cycle from owner reports in cold-climate primary use: a packed load of well-seasoned hardwood produces a fast 30-minute warm-up to high firebox temperatures, then 2–3 hours of strong sustained heat, then a slow decline over the next several hours, then several more hours of low steady heat with a heavy coal bed. Total useful heat from one full pack: 6–9 hours in normal heating use, occasionally approaching the 10-hour manufacturer maximum with dense hardwood, mild weather, and a full coal bed. Reload onto coals when heat output falls off and the cycle restarts.\u003c\/p\u003e\n\u003cp\u003eThe 22-inch maximum log capacity is a practical advantage. Most firewood suppliers cut to 16 inches, which is also the manual's recommended length. An insert that takes up to 22 inches lets you load larger splits with less labor when your supplier cuts longer. The firebox accommodates substantial north-south loads — owners regularly fit 8–10 medium splits N-S for overnight burns.\u003c\/p\u003e\n\u003cp\u003eThe included 144 CFM blower meaningfully improves heat transfer from the air jacket into the room. There are two controls: a manual rheostat marked HI \/ LO \/ OFF that you set, and an automatic heat sensor (thermodisc) that decides when the blower actually runs. Set the rheostat to LO or HI, and the sensor handles the rest — the insert takes about an hour to reach blower-activation temperature from a cold start, then the sensor starts the blower automatically and shuts it off when the insert cools at the end of a burn. No need to remember to start it once the fire is going or shut it off when the fire dies down. At lower settings the blower is unobtrusive; at higher settings it is audible. Per the manual, regular blower use can deliver up to about a 2% efficiency boost. Without the blower — in a power outage, for example — the insert will still burn safely; the room will receive less convective heat transfer, with most of the available heat being radiant through the glass.\u003c\/p\u003e\n\u003cp\u003eAir-wash glass stays largely clear during proper hot burns at moderate-to-high air settings. At low burn rates with marginally seasoned wood, the glass will tar. This is universal to non-catalytic tube inserts, not specific to Enerzone, and it is the strongest signal that your wood is too wet or your burn is too cool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eTrade-offs to know\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe opening is the gating factor.\u003c\/strong\u003e The 26 1\/4\" × 31\" × 18 3\/8\" minimum masonry opening is meaningfully larger than the smaller Enerzone inserts. The 31-inch minimum width in particular excludes a substantial percentage of older masonry fireplaces. Measure carefully before buying — and if the opening is borderline, the smaller Destination 1.9 (25-inch minimum width) is the right tool.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNon-catalytic burn time.\u003c\/strong\u003e A non-cat insert gives you simpler operation and no catalyst to replace, but you pay for it with shorter burns. If you want to load at 9 PM and have meaningful heat at 6 AM, this is not the right tool — that is what a Blaze King Princess Insert or Lopi Cape Cod is built for. Plan on reloading every 4–6 hours during active heating and accepting that overnight will end at coals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWood loading is a daily activity.\u003c\/strong\u003e A full load of dense hardwood is heavy and physically involved; in cold-climate primary-use patterns, wood handling becomes a daily chore, not an occasional task. Wood has to be split, stacked off the ground, top-covered, and seasoned to 15–20% moisture before use. Most local firewood suppliers can deliver hardwood by the cord; confirm whether they sell genuinely seasoned wood or plan to season it yourself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReload technique matters.\u003c\/strong\u003e Reload onto an active coal bed, open the air fully before opening the door, and open the door slowly to avoid smoke rollout. After reloading, run the air open until the new load is fully engaged, then reduce the air gradually. Do not leave the insert unattended with the door partly open; the manual treats door-ajar operation as a lighting\/reloading procedure, not a normal burn mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGlass blackens at low burn rates.\u003c\/strong\u003e This is the non-cat tube design — secondary combustion only burns clean at higher temperatures. The fix is a daily hot burn cycle to clean off accumulated tar, dry wood at 20% moisture or below, and tolerance for a brief cleaning every few days during low-and-slow weather.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLiner, block-off plate, and labor are not in the appliance price.\u003c\/strong\u003e The insert is the appliance; the chimney liner, the block-off plate, the insulation wrap, and the professional installation are separate purchases that need to be planned for. Older or taller chimneys, offset flues, and damper-frame removal add to install complexity. Skipping the liner, the block-off plate, or the insulation wrap saves money up front and costs measurable performance and creosote durability after.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlain Enerzone styling.\u003c\/strong\u003e The Solution 3.5 Insert has clean, simple lines: a cast-iron arched door, a steel jacket, and a faceplate that flashes around the masonry opening. It is not ornate. Buyers who want premium cast-iron decorative faceplate detailing should look at Osburn's larger inserts or premium-tier options like Lopi Cape Cod.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-duty internals, functional finish.\u003c\/strong\u003e The welded carbon-steel firebox, C-Cast baffle, lifetime weld warranty, and 144 CFM blower are strong points for the category. The overall fit-and-finish is practical rather than luxury: this is a heating appliance first, not a furniture-grade cast-iron showpiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eOperating reality\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eFirst burns.\u003c\/strong\u003e The first three to six fires release paint VOCs as the high-temperature stove paint cures. The smell can be strong; ventilate the room well and avoid prolonged exposure during cure-in. Run the insert hot and expect the smell to disappear permanently after the cure-in.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLighting.\u003c\/strong\u003e The manual describes three effective methods: conventional (newspaper at the bottom, kindling on top, then small splits), top-down (small splits at the base, smaller splits crossed over, kindling on top, paper at the very top, light the top), or two parallel logs (paper between two split logs, kindling across, log-cabin style). Cleaner ignition with the top-down method, less smoke, faster to operating temperature. Leave the door slightly ajar for a few minutes during light-off; close once the fire is well established.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAir control.\u003c\/strong\u003e Single-lever, located underneath the ash shelf. Pull the handle completely (HIGH) to open, push completely (LOW) to close. Full open at light-off, gradually closed only after the load is fully engaged and stable secondary flames are established. Close the air control only when the firebox is full of bright turbulent flames, the wood is charred, and its edges are glowing. A flue thermometer is strongly recommended; without one, you are guessing at draft, burn rate, and overfire risk. Do not elevate the fire by using a grate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReload cadence.\u003c\/strong\u003e 4–6 hours between reloads in active high-output use; 6–8 hours for a final overnight pack with the air shut hard. Open the air, wait briefly, open the door slowly to avoid smoke rollout, rake coals forward, load onto the coal bed, close the door, and run the air open until the new load is fully engaged before reducing the air gradually. Turn the blower OFF before opening the door fully to reduce ash disturbance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAsh management.\u003c\/strong\u003e Ash should be removed from the firebox every two to three days of full-time heating. The best time to remove ash is in the morning, after an overnight fire when the insert is relatively cold but there is still a little chimney draft to draw the ash dust into the insert and prevent going out into the room. Always dispose of ash in a tightly covered metal container on a non-combustible surface, well away from combustible materials — ash retains hot embers for days.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGlass cleaning.\u003c\/strong\u003e Damp newspaper dipped in cold ash, or a dedicated ceramic-glass cleaner. Daily wipe during low-burn weather; weekly during high-burn. Black streaks at the lower edge mean wet wood; black uniformly across the glass means burns are running too cool.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoor and glass gaskets.\u003c\/strong\u003e The door gasket needs replacement when the paper-strip test fails: close the door on a strip of paper and try to pull it out; firm resistance means the gasket is sealing, easy pull means it's time to replace. Test all the way around the door, not just at the latch. Glass gasket replaces likewise. Materials run $20–$40 per gasket; replacement is a 30-minute job. Plan on every 3–5 seasons in regular use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnnual chimney sweep.\u003c\/strong\u003e Per the manual, the chimney and liner should be cleaned and inspected at least once each year. Inspect every two months during the heating season until you know your creosote-formation rate. If buildup reaches 1\/8 inch, sweep immediately. The baffle and secondary tubes lift out for sweep access.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWood seasoning.\u003c\/strong\u003e Hardwood needs 12–24 months split, stacked off the ground, top-covered, with sun and wind on the sides. Don't trust supplier \"seasoned\" claims — use a pin-type moisture meter, split a piece in half, measure the fresh face. Manual target: 15–20% moisture. Wood above 25% will smolder, soot the glass, line the chimney with creosote, and undercut every published efficiency and emissions number on this page.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBlower maintenance.\u003c\/strong\u003e Vacuum the blower fins annually. Do not oil the blower unless the manual specifically calls for lubrication. Replacement blowers and related service parts are available through Enerzone\/SBI dealers and parts channels if needed years out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat never to burn.\u003c\/strong\u003e Per the manual and EPA fuel rules: no coal, garbage, yard waste, materials containing rubber or plastic, waste petroleum products, paint or paint thinners, asphalt products, painted or pressure-treated wood, railroad ties, manure or animal remains, plywood, particle board, paper products, asbestos materials, construction or demolition debris, salt-water driftwood, or unseasoned wood. This does not prohibit normal fire starters made from paper, cardboard, sawdust, wax, or similar substances when used only to start a fire. Burning prohibited materials destroys the firebox, voids the warranty, and releases toxic compounds into your home and the chimney.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWarranty and service\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003cp\u003eThe Enerzone limited lifetime warranty applies to the original retail purchaser only and is non-transferable. The warranty applies to normal residential use only. Proof of purchase (dated bill of sale), model name, and serial number are required for any warranty claim. Online registration is recommended at enerzone-intl.com but not required if a dated invoice is retained.\u003c\/p\u003e\n\u003ch3\u003eCoverage by component\u003c\/h3\u003e\n\u003cdiv class=\"data-head\"\u003e\n\u003cspan\u003eComponent\u003c\/span\u003e\u003cspan\u003eParts\u003c\/span\u003e\u003cspan\u003eLabor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eCombustion chamber welds, cast-iron door frame\u003c\/span\u003e\u003cspan class=\"data-val\"\u003eLifetime\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e5 yr\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eCeramic glass, plating manufacturing defects, convector air-mate\u003c\/span\u003e\u003cspan class=\"data-val\"\u003eLifetime\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e—\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eSurrounds, heat shields, ash shelf, faceplate, C-Cast baffle, secondary air tubes\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e7 yr\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e—\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eHandle assembly, glass retainers, air control mechanism\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e5 yr\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e3 yr\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eCarbon-steel firebox components\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e5 yr\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e—\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eBlower, heat sensors, switches, rheostat, wiring, electronics\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e2 yr\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e1 yr\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003ePaint (peeling), gaskets, insulation, ceramic fiber blankets, and other options\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e1 yr\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e—\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data-row\"\u003e\n\u003cspan class=\"data-label\"\u003eReplacement parts under warranty\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e90 d\u003c\/span\u003e\u003cspan class=\"data-val\"\u003e—\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 14px;\"\u003eA one-time replacement limit applies to all parts with lifetime coverage. Warranty is void if the unit is used to burn anything other than seasoned cordwood, or if it is not operated according to the owner's manual. Damage caused by misuse, improper installation, lack of maintenance, overfiring, downdrafts, venting problems, or under-estimated heating area is not covered. Improper installation by anyone other than an authorized qualified technician voids the warranty.\u003c\/p\u003e\n\u003cp\u003eWarranty claims are made through your Enerzone dealer and remain subject to SBI\/Enerzone inspection, approval, and the current written warranty. Kaminos is the retailer for this insert and supports buyers through purchase; final warranty approval rests with SBI as the manufacturer. SBI's parts network is well-stocked — replacement bricks, baffle, secondary tubes, glass, gaskets, and blower are openly available at fair prices through multiple parts vendors.\u003c\/p\u003e\n\u003cp class=\"warranty-note\"\u003eEnerzone may require photos or returned parts to support a claim; repair work covered by warranty requires prior manufacturer approval.\u003c\/p\u003e\n\u003cp class=\"warranty-note\"\u003eCoverage details can change by component and warranty revision; the current Enerzone warranty controls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCompare with\u003c\/summary\u003e\n\u003cdiv class=\"acc-body\"\u003e\n\u003cdiv class=\"compare-row\"\u003e\n\u003cspan class=\"compare-name\"\u003eOsburn 3500 Insert\u003c\/span\u003e\n\u003cdiv class=\"compare-orient\"\u003eMechanically identical SBI chassis — same firebox, same 144 CFM blower, same baffle, same warranty schedule, same masonry opening minimums. The Osburn 3500 Insert adds a configurable cast-iron door overlay (Black or Brushed Nickel) on top of the trim\/faceplate choices and is positioned in the Osburn premium tier. Choose the Osburn version if you prefer the door overlay configurability and premium positioning; choose the Solution 3.5 Insert for the same heat at the Enerzone price point.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compare-row\"\u003e\n\u003cspan class=\"compare-name\"\u003eEnerzone Destination 1.9\u003c\/span\u003e\n\u003cdiv class=\"compare-orient\"\u003eThe smaller sibling in the Enerzone insert lineup. 1.1 ft³ firebox, 90 CFM blower, 19\" × 25\" × 15.5\" minimum masonry opening — fits openings the Solution 3.5 Insert won't. Choose the Destination 1.9 for one-room or one-zone heating in 500–900 sq ft; choose the Solution 3.5 Insert for primary heat in 1,500–2,400 sq ft.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compare-row\"\u003e\n\u003cspan class=\"compare-name\"\u003ePacific Energy Summit Insert\u003c\/span\u003e\n\u003cdiv class=\"compare-orient\"\u003eCross-brand competitor in the same size class. Up to 3,000 sq ft heating range, 2.4 ft³ firebox, premium build, sealed-firebox technology, well-regarded operation and draft tolerance. The most-mentioned cross-shop on hearth-enthusiast forums when buyers compare to the Solution 3.5 Insert. Higher price; longer real-world burn potential.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compare-row\"\u003e\n\u003cspan class=\"compare-name\"\u003eBlaze King Princess Insert (catalytic)\u003c\/span\u003e\n\u003cdiv class=\"compare-orient\"\u003eDifferent category — catalytic technology, thermostatic air control, and 12–30 hour low-output burn potential. Choose this if your priority is overnight burn time, controllability, or off-grid heating with fewer reloads. Higher price, requires catalyst monitoring and eventual replacement, longer learning curve. The Solution 3.5 Insert wins on simplicity, peak heat output, and dealer\/parts accessibility.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compare-row\"\u003e\n\u003cspan class=\"compare-name\"\u003eLopi Cape Cod Insert\u003c\/span\u003e\n\u003cdiv class=\"compare-orient\"\u003ePremium hybrid-catalytic insert in the same heating-area class. More technology, higher price, longer burn potential than the Solution 3.5 Insert. USA-made, premium fit and finish. Choose this for premium aesthetics and longer burns; choose the Solution 3.5 Insert for simpler operation, lower up-front cost, and Canadian-made SBI dealer\/parts accessibility.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cp class=\"pull\"\u003eThe Solution 3.5 Insert is the largest non-cat insert in the Enerzone line. If your masonry opening is big enough to take it, your winters are hard, and you want serious primary heat without the catalyst learning curve, this is the version that heats most.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Enerzone","offers":[{"title":"Black","offer_id":50196462305473,"sku":"EB00062+AC01229+OA10125","price":4279.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Nickel","offer_id":50196462338241,"sku":"EB00062+AC01229+OA10126","price":4279.0,"currency_code":"USD","in_stock":true},{"title":"Large Black","offer_id":50196462371009,"sku":"EB00062+AC01273+OA10128","price":4334.0,"currency_code":"USD","in_stock":true},{"title":"Large Brushed Nickel","offer_id":50196462403777,"sku":"EB00062+AC01273+OA10129","price":4334.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/3854\/4065\/files\/Enerzone_Solution_3.5_Wood_Insert_life_Style_Kaminos_Regular_Black.webp?v=1778611279","url":"https:\/\/kaminos.com\/products\/enerzone-solution-3-5-wood-insert","provider":"Kaminos","version":"1.0","type":"link"}