Regency Greenfire GF55 Pellet Stove

Right buyer

Owners of medium-sized homes who want automated, set-and-forget pellet heating without the active tending that wood-burning appliances require. The GF55-2 lights itself via the 300-watt auto ignitor, manages its own feed rate through a three-mode control system, and keeps the fire running for up to 36 continuous hours from a full hopper at low heat — making it practical as both a primary heat source that can run through a full workday without attention and an overnight heater. For buyers who want wood-heat warmth without the ritual of splitting, stacking, kindling, and manually managing air, pellet technology is the lowest-transition path into solid-fuel heating, and the GF55-2 sits in the capable middle of the category.

Mobile-home owners who need a heating appliance approved for manufactured-housing installation. The GF55-2 is Mobile Home Approved per the manufacturer listing — a specific and non-trivial listed approval not held by all pellet stoves in this output class. Important: outside fresh air must be connected for any mobile-home installation — an outside fresh air kit is a required component, not optional, in this installation type. Confirm local AHJ requirements, the HUD-tag requirement for the specific home, and the installation manual’s mobile-home-specific requirements before committing to the purchase.

Buyers in EPA non-attainment counties, in jurisdictions with burn-day restrictions, or in HOA-governed communities where solid-fuel appliances must meet documented emissions standards. At 1.8 g/hr, the GF55-2 is EPA 2020 certified. The certification and the emission rate provide the documentation regulators, HOA boards, and insurers typically ask for when a new solid-fuel appliance is added to a home.

Buyers who want a fire view alongside their heating. The 161 sq. in. bay ceramic window is large for a pellet stove in this output class, and the bay construction — rather than a flat single pane — gives the fire visible depth and presence in a living room or family room installation. For buyers who want the look and ambiance of a fire, not just a functional heat source, the GF55-2’s large-window pedestal design is a genuine differentiator in the pellet category.

Buyers transitioning from fuel oil, electric resistance, or propane heat who want to offset fuel costs with lower-cost wood-pellet energy. The GF55-2’s automated ignition and three-mode control make it more accessible to buyers without prior solid-fuel experience than a wood stove or fireplace would be.

Wrong buyer

Not for buyers who need heat during power outages. The GF55-2 requires a live 120V electrical supply to operate the ignitor, control board, auger motor, convection blower, and exhaust fan — there is no manual fallback mode when the power is out. For buyers who need outage-capable heat, a non-electric wood stove or fireplace that operates by natural draft is the right appliance; a pellet stove requires electricity and stops when the power does.

Not for buyers without a reliable year-round pellet supply. The GF55-2 burns only compressed wood pellets — it cannot run on cordwood, coal, corn, or any other solid fuel. Before committing to pellet heating as a primary source, confirm that bagged or bulk-delivery wood pellets are available at your location through a full heating season, including during weather events when supply chains can tighten.

Not for buyers expecting low ongoing maintenance. The GF55-2’s “easy to clean, low maintenance burner” designation refers to the clean-burning nature of compressed pellet fuel relative to cordwood — it does not describe an appliance that runs without regular attention. Burn-pot cleaning every one to three days during heavy use, periodic ash-pan emptying, heat-exchanger cleaning at the start and end of each season, and annual dealer service of the auger, sensors, and exhaust fan are non-optional in normal operation.

Not for buyers heating more than a medium-sized home as primary winter heat in a cold climate or poorly insulated structure. [VERIFY: confirm the manufacturer’s specific sq ft range from the manual and redirect buyers needing larger output to the appropriate sibling model.] The tested maximum output of 32,739 BTU/hr and the “Medium” room-size rating on the spec sheet indicate a mid-tier output — appropriate for a well-insulated medium home, not for an undersized appliance heating a large or leaky load.

Not for buyers who want the 75% HHV efficiency rating without the adaptor investment. That figure is only achievable when the optional top vent adaptor kit and 3-inch to 6-inch flue adaptor are installed and the stove is connected to a 6-inch Class A flue. The adaptor components are sold separately and add to the total installed cost. [VERIFY: confirm the efficiency figure for standard 3-inch PL Vent installation without adaptors so buyers can evaluate the base-configuration performance.]

The GF55-2 is a freestanding pellet stove for installation in a permitted residential space — a living room, family room, great room, den, or any habitable room with adequate floor structure, a nearby 120V electrical outlet, clearances to combustibles per the installation manual, and a viable path for the vent system to reach an exterior wall or roof termination. It is Mobile Home Approved per the manufacturer listing; outside fresh air is mandatory for mobile-home and airtight-home installations. Confirm the installation manual’s mobile-home-specific requirements and local AHJ rules before installation in a manufactured home.

Unlike a zero-clearance wood fireplace, the GF55-2 does not require a framed chase or a full-height chimney in standard configuration. The standard venting is a 3-inch PL Vent run through a wall or limited roof penetration. For buyers installing the optional top vent adaptor kit and 3-inch to 6-inch flue adaptor for the maximum 75% HHV efficiency rating, a 6-inch Class A flue connection is required where permitted — a materially different and more involved installation than the standard 3-inch PL Vent path. The certification label on the unit is the binding clearance reference for any installation and always overrides figures published in any other media.

Clearances to combustibles

[VERIFY: pull all clearances to combustibles — rear, left side, right side, front, top to combustible ceiling or shelf — from the GF55-2 installation manual and replace the placeholder rows below before publishing. Confirm whether corner installation clearances differ from standard side-wall clearances.]

Floor protection

[VERIFY: pull floor protection requirements — dimensions, material type, and whether a hearth pad is required under the appliance and/or in front of the ash-pan access zone — from the GF55-2 installation manual. Confirm whether the pedestal base satisfies the floor-protection requirement or whether a separate non-combustible hearth pad is required underneath it.]

PL Vent system (standard configuration)

The standard GF55-2 installation exhausts through a 3-inch PL Vent system — a double-wall positive-pressure venting design specific to pellet appliances. PL Vent operates under exhaust-fan pressure (not natural draft), runs at lower flue temperatures than a wood chimney, and typically vents through a short exterior-wall penetration or a limited-height roof run. It is not interchangeable with Class A wood chimney components. [VERIFY: approved PL Vent manufacturer brands and component series; maximum allowable horizontal run length; minimum required vertical rise; minimum total vent length; required termination clearances from the GF55-2 installation manual.]

Top vent adaptor kit (efficiency upgrade)

To achieve the 75% HHV / 81.9% LHV efficiency rating, the optional top vent adaptor kit (GF55-920) and 3-inch to 6-inch flue adaptor (3PVP-X6) must both be installed, and the stove must be connected to a 6-inch Class A flue where permitted. The -2 model ships with pre-drilled mounting points on the back panel for the top vent adaptor kit installation. This is a materially different vent system from the standard 3-inch PL Vent installation — buyers planning to access the maximum efficiency rating should confirm the adaptor requirements and 6-inch Class A flue feasibility with their installer before positioning the stove and ordering vent components.

Outside fresh air

Outside fresh air connection is optional for standard residential installations. It is mandatory for mobile-home installations and for airtight-home installations per the GF55-2 installation manual and spec sheet. Mobile-home and airtight-home buyers must budget for and install the outside fresh air kit as part of the installation; it is not an upgrade in these contexts. [VERIFY: the outside fresh air kit part number from the GF55-2 accessories list, and whether Kaminos carries it.] For standard homes with mechanical ventilation or powerful range hoods, outside air is recommended even where not mandatory. A carbon monoxide detector and a smoke detector are required in the room where the stove is installed.

Electrical supply

[VERIFY: electrical supply requirements from the GF55-2 installation manual. Confirm whether a dedicated circuit is required, whether GFCI protection is required or prohibited, and whether an extension cord is permitted. The ignitor draws 300 watts at start-up; combined running load of the control board, blower motors, and auger is substantially lower but must be confirmed from the manual for circuit sizing.]

Code compliance

Code compliance for any specific installation is determined by the local Authority Having Jurisdiction. In most US jurisdictions, a new solid-fuel appliance installation requires a permit and inspection, including the vent penetration and the electrical connection. A CSIA-certified or NFI-certified installer is strongly recommended and frequently required by code, permit, or insurance. For mobile-home installations, the installer must verify compliance with the applicable HUD standard for manufactured housing, local fire codes specific to manufactured homes, and the GF55-2 installation manual’s mobile-home requirements — including the mandatory outside fresh air connection. Confirm all requirements with the AHJ before purchasing.

California Proposition 65

This 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.

Ships with the stove

• Regency Greenfire GF55-2 pellet stove with steel firebox body, steel fluted liner panels, decorative black grilles, black door with large bay ceramic window, and full pedestal base with concealed ash pan
• 160 CFM variable-speed convection blower
• 300-watt auto ignitor
• Concealed touch-pad control panel with Manual, High/Low, and Auto/Off operating modes and separate heat level adjustment
• Factory-installed glass wash deflector and new ash plate (-2 model updates)
• Pre-drilled mounting points on rear panel for top vent adaptor kit installation
• [VERIFY: complete ships-with list from the GF55-2 owner’s manual — confirm whether any venting components, ash removal tool, remote control, or other accessories ship as standard]
• Owner’s installation and operation manual and product documentation

Sold separately

• 3-inch PL Vent exhaust system for standard installation — double-wall positive-pressure pellet venting components including pipe sections, elbows, wall thimble or ceiling support, wall or roof termination cap, and all required flashing; [VERIFY: approved PL Vent manufacturer brands and component series from the GF55-2 installation manual]
• Top vent adaptor kit (GF55-920) — required for the 75% HHV / 81.9% LHV efficiency rating; must be paired with the 3-inch to 6-inch flue adaptor and a 6-inch Class A flue connection where permitted; [VERIFY: whether Kaminos carries this item and the current price-book entry]
• 3-inch to 6-inch flue adaptor (3PVP-X6) — required alongside the top vent adaptor kit (GF55-920) for the 75% HHV efficiency configuration; [VERIFY: whether Kaminos carries this item and the current price-book entry]
• Outside fresh air kit — optional for standard homes; mandatory for mobile-home and airtight-home installations; [VERIFY: outside fresh air kit part number for the GF55-2 from the accessories list and whether Kaminos carries it]
• Floor protection / hearth pad — non-combustible floor protection sized per the installation manual clearance requirements; [VERIFY: required dimensions and material specification from the installation manual]
• [VERIFY: full sold-separately and optional accessory list from the GF55-2 owner’s manual and the Regency accessories catalog; confirm all part numbers and price-book availability before listing]
• Installation by a CSIA-certified or NFI-certified installer with pellet stove experience, required for warranty coverage and typically required by code, permit, or insurance

The tested heat output range is 7,751–32,739 BTU/hr — the part-load to full-load band per the certification test. These are the numbers that matter for sizing the stove against a home’s heating load: the 32,739 BTU/hr high-setting output is the realistic maximum the stove delivers to the room; the 7,751 BTU/hr low-setting output is what it produces when running the hopper down slowly for a long overnight burn. [VERIFY: BTU/hr output at each individual heat level setting from the owner’s manual, so buyers can plan around the specific tiers rather than just the endpoints.]

The 36-hour maximum burn time comes from running the full 55-lb hopper at minimum feed rate. At the high heat setting, pellet consumption rises significantly and the hopper empties much faster. [VERIFY: hopper consumption rate at each heat setting from the owner’s manual.] In practical primary-heat use during cold weather at mid-to-high settings, a realistic expectation is one to two hopper refills per day. For overnight low-heat operation, a full hopper loaded before bed will run through to morning without attention.

The 75% HHV / 81.9% LHV efficiency figure is only achievable when the optional top vent adaptor kit (GF55-920) and the 3-inch to 6-inch flue adaptor (3PVP-X6) are both installed and the stove is connected to a 6-inch Class A flue where permitted. This is an upgrade installation path, not the base configuration. Buyers who install the GF55-2 in a standard 3-inch PL Vent configuration will operate at a different (lower) efficiency figure. [VERIFY: the efficiency in the standard 3-inch PL Vent configuration without adaptors — pull from the manual and state it plainly here.] Buyers who can accommodate the vertical vent run and the adaptor components get a meaningfully more efficient appliance; buyers who vent horizontally through a wall cannot access the 75% HHV rating without modifying the vent path.

At 1.8 g/hr, the GF55-2 is EPA 2020 certified. Pellet fuel produces more consistent and lower emissions than cordwood because it is a manufactured, compressed product — but emissions still vary by pellet grade and by how well the stove is maintained. Premium-grade wood pellets (PFI Premium or equivalent, low fines, less than 5% moisture) produce the cleanest combustion and the easiest burn-pot maintenance. Lower-grade pellets with high fines or elevated moisture degrade both efficiency and emissions and increase burn-pot cleaning frequency. [VERIFY: Regency’s recommended pellet grade specification from the owner’s manual.]

The three operating modes — Manual, High/Low, and Auto/Off — give the buyer meaningfully different day-to-day experiences. Manual runs continuously at the selected heat level, useful when the heat demand is steady and predictable. High/Low cycles between two output levels, approximating a thermostat cycle with a wider swing. Auto/Off shuts the stove down when the room reaches setpoint and relights via the auto ignitor when it drops — the most convenient mode for all-day use but also the one that cycles the ignitor most frequently. Heat level within each mode is set separately using the heat level adjustment buttons.

The 161 sq. in. bay ceramic window is large for a pellet stove in this tested output class. The bay construction creates a fire with visible depth and genuine room presence. Buyers who choose the GF55-2 over comparably priced pellet stoves with smaller or flat view areas most often cite the bay window as the deciding factor. In a living room or family room installation, the fire view is a real part of what the appliance delivers.

The 300-watt auto ignitor eliminates the fire-starting process entirely. With pellets in the hopper, the buyer activates the ignition sequence via the touch-pad and the stove takes over — lighting the fire, ramping to operating temperature, and transitioning to normal combustion without further input. In Auto/Off mode, the ignitor fires on every restart cycle; buyers planning to run Auto/Off mode throughout the heating season should factor ignitor service life into their maintenance planning. [VERIFY: ignitor cycle time and manufacturer’s expected ignitor service interval from the owner’s manual.]

Power outage = no heat. The GF55-2 needs live 120V power to run. When the electricity goes out, the stove stops — auger, blower, exhaust fan, ignitor, and control board all go dead simultaneously. There is no manual fallback mode. For buyers whose primary concern is heat during winter storm outages, a wood-burning stove or fireplace operating by natural draft is the right solution, or the pellet stove should be paired with a generator sized for the stove’s electrical load.

Pellet supply is a year-round logistics dependency. A 55-lb hopper consumes a meaningful volume of pellets through a cold season. Confirm that premium-grade wood pellets are available at your location reliably and in quantity — including during high-demand winter months and weather events. Locking in pellet supply before the heating season is a practical necessity, not a suggestion.

The 75% HHV efficiency figure requires two additional purchased components and a 6-inch Class A flue. Buyers expecting to achieve the published maximum efficiency in a standard 3-inch PL Vent wall-vent installation will not get there without the top vent adaptor kit (GF55-920) and the 3-inch to 6-inch flue adaptor (3PVP-X6), plus a 6-inch Class A flue connection. This is a more complex and costly installation than the base 3-inch PL Vent configuration. [VERIFY: the base-configuration efficiency and the total added cost of the adaptor upgrade so buyers can assess whether the efficiency gain justifies the investment.]

The slider/damper is set by the installer, not the buyer. The slider/damper regulates airflow through the stove and must be configured at installation by a qualified service technician or installer. Unlike the air-control lever on a wood stove, this is not a day-to-day adjustment the buyer makes. The installer sets it once based on the installation conditions; it is not intended for owner-level tuning between burns or across pellet grades.

Operating modes set the behavior; heat level is a separate adjustment. The three-mode system — Manual, High/Low, and Auto/Off — controls how the stove responds to the room, not the absolute output level. Heat level is adjusted separately. Buyers expecting a simple “turn the dial to 1, 2, or 3” interface should familiarize themselves with the two-step control logic (mode selection + heat level) before purchase; it is not difficult once understood but is different from a single-knob wood stove.

Outside fresh air is mandatory for mobile-home and airtight-home installations. Buyers purchasing the GF55-2 specifically for its Mobile Home Approval need to budget for and install the outside fresh air kit — it is a required component in that installation type, not an optional upgrade. Omitting the outside air connection in a mobile-home installation does not conform to the manufacturer’s installation requirements and affects both safety and warranty coverage.

Burn-pot maintenance is non-negotiable. Pellet combustion produces clinkers in the burn pot — hardened ash formations that restrict combustion air and eventually cause the stove to extinguish or throw error codes. The “easy to clean, low maintenance burner” designation describes a burn-pot geometry designed to minimize clinker adhesion, not a claim that the pot needs no cleaning. [VERIFY: manufacturer’s recommended burn-pot cleaning interval from the owner’s manual.] Owners who skip cleaning will see failed ignitions, erratic combustion, and shortened burn-pot life.

Fuel grade affects everything downstream. Low-quality pellets with high fines content or moisture above specification accelerate clinker formation, dirty the heat exchanger faster, soot the glass window, and generate more fly ash in the exhaust system. Premium-grade pellets are the correct operating input for the manufacturer’s rated performance.

Annual dealer service is a practical requirement. A full heating season of pellet combustion loads the heat exchanger, auger seal, exhaust fan, and circuit board. Owners who skip professional service year over year will see progressive performance degradation and risk a breakdown mid-season. Budget annual service into the total cost of ownership before the first season.

282 lb shipping weight. Multi-person handling is required at delivery and during final positioning. Confirm the floor path from curbside delivery to the installation location and verify that the subfloor and floor finish can support the stove weight before purchase.

First fires. The first several burns may produce a paint-cure odor as the high-temperature finish completes its initial heat cycle. Ventilate the room well during the first three to five fires. The odor dissipates after the paint fully cures and does not recur under normal operation.

Loading the hopper. Open the top-loading hopper lid using the recessed handle. Fill with premium-grade compressed wood pellets. A standard 40-lb bag fills the hopper to approximately 73% capacity. Keep pellets dry: store bags in sealed containers away from moisture. Wet pellets dissolve into fines in the hopper and auger tube, causing feed jams, poor ignition, and excessive clinker formation. [VERIFY: fuel specification from the owner’s manual — confirm the approved pellet grade, moisture limit, and whether any pellet type other than wood is permitted or prohibited.]

Selecting an operating mode. The thermostat switch selects one of three modes: Manual (continuous run at the selected heat level), High/Low (cycles between two levels), or Auto/Off (shuts down at setpoint, relights when temperature drops). Choose the mode based on how closely you want the stove to track room temperature. Heat level within the selected mode is set using the separate heat level adjustment buttons. [VERIFY: the operating sequence and any thermostat input or remote control options from the owner’s manual.]

The slider/damper. The slider/damper is set by the installer at the time of installation to regulate airflow through the stove under the specific conditions of the installation. It is not adjusted by the owner during normal operation. If combustion performance deteriorates over time — incomplete burns, excessive smoke, error codes unrelated to maintenance — contact an authorized Regency dealer service technician; do not attempt to adjust the damper yourself.

Burn-pot cleaning. At the end of each burn period or every 24 to 48 hours of continuous operation, allow the stove to complete a shutdown cycle or cool, then open the burn-pot access and remove accumulated ash and clinkers before the next start. Hard clinkers need to be broken loose with a metal tool. Do not use a vacuum cleaner in or around the burn pot while hot ash may be present. [VERIFY: burn-pot access procedure and Regency’s recommended cleaning interval from the owner’s manual.] Neglecting burn-pot cleaning is the leading cause of failed starts and premature burn-pot failure on pellet stoves.

Ash-pan management. The full pedestal ash pan accumulates fine ash below the burn pot and heat exchanger. Empty the pan when it approaches capacity — typically every three to seven days of regular operation. Allow the stove to cool before removing the pan. Empty ash into a metal container with a lid and store outside, away from combustible materials, for at least 48 hours before disposal. Do not remove the ash pan while the convection blower is running.

Heat exchanger cleaning. Clean the heat exchanger at the beginning and end of each heating season, and at least once mid-season during heavy use. A fouled exchanger reduces efficiency, lowers heat output at a given feed rate, and can cause the stove to overheat and trip thermal sensors. [VERIFY: heat exchanger access procedure and cleaning interval from the owner’s manual.]

Glass maintenance. The ceramic bay window accumulates a light ash film during normal operation. Wipe with a damp cloth or a dedicated ceramic glass cleaner when the stove is cool. Persistent heavy black soot indicates poor combustion — the most common causes are low-grade pellets, a dirty burn pot restricting air flow, or a restricted exhaust system. Address the combustion problem rather than just cleaning the glass.

Outside fresh air for mobile-home and airtight-home installations. If the GF55-2 is installed in a mobile home or an airtight home, the outside fresh air connection must be installed and functional. Verify that the outside air damper opens freely during operation and that the intake is clear of debris before each heating season.

Exhaust system maintenance. Inspect and clean the vent system at the end of each heating season. A restricted vent degrades exhaust draft, causes the exhaust fan to work harder and wear faster, and eventually causes incomplete combustion. If the adaptor kit and 6-inch Class A flue are installed, follow both the GF55-2 manual’s vent maintenance requirements and the Class A chimney manufacturer’s maintenance schedule. [VERIFY: vent cleaning procedure and interval from the installation manual.]

Annual professional service. At the start of each heating season, have the GF55-2 serviced by a CSIA-certified technician or an authorized Regency dealer service technician. Service should include combustion chamber and burn-pot inspection, heat exchanger cleaning, auger and hopper inspection, exhaust fan cleaning, ignitor testing, and vent inspection. Annual service protects the warranty, extends component life, and catches problems before they cause a mid-season breakdown.

Power interruption during operation. If power is lost while the stove is running, the auger, blower, and exhaust fan stop immediately. Pellets in the burn pot will continue to smolder briefly; ventilate the room if a power interruption occurs during operation. Do not relight the stove until power is fully restored and the stove has cooled completely. [VERIFY: manufacturer’s power-interruption procedure from the owner’s manual.]

What never to burn. Burn only 100% compressed wood pellets meeting the manufacturer’s fuel specification. Do not burn corn, grass pellets, agricultural biomass, coal, construction waste, garbage, or any fuel other than the specified wood pellet type. Non-approved fuels damage the auger, burn pot, and heat exchanger; void the warranty; and may produce toxic combustion products. [VERIFY: complete approved fuel specification and prohibited fuel list from the GF55-2 owner’s manual.]

[VERIFY: pull the complete Regency warranty terms for the GF55-2, component by component, from the owner’s manual or the current Regency warranty document. The GF55-2 is described as “backed by the industry’s most comprehensive Limited Lifetime Warranty” per the product feature listing. The coverage periods by component, what voids coverage, the claim procedure, and any non-transferability provisions are all required to complete this section. The table below contains placeholder rows only and must be replaced with verified figures before publishing.]

Coverage by component

[VERIFY: warranty void conditions — confirm whether the warranty is voided by burning non-approved fuel; failure to maintain the burn pot or heat exchanger per the maintenance schedule; installation by non-authorized personnel; operation outside specified electrical parameters; or omission of mandatory outside fresh air in mobile-home or airtight-home installations. Pull from the current Regency warranty document.]

Warranty claims are made through an authorized Regency dealer. Kaminos is the retailer for this stove and supports buyers through purchase; final warranty determination rests with Regency (FPI Fireplace Products International) as the manufacturer. [VERIFY: whether Regency requires product registration, a dated bill of sale, model name, and serial number to initiate a warranty claim.]

Regency may require photos or inspection by an authorized service technician to support a warranty claim; repair work covered under warranty may require prior manufacturer approval before work is performed.

Coverage details can change by component and warranty revision; the current Regency warranty document controls. Verify that the component-level coverage confirmed from the manual matches the “industry’s most comprehensive Limited Lifetime Warranty” marketing claim — specifically which components carry lifetime coverage and under what conditions.

[VERIFY: the Compare-With list must be confirmed by the Operator from the Kaminos price-book before any model is named here. No models have been price-book confirmed for the GF55-2. Do not publish this section with model names until the Operator provides the confirmed list. Placeholder rows below must be replaced with verified, price-book-confirmed entries only.]