The Regency I3000 is a high-performance, EPA-certified wood insert designed to heat large spaces with ease and efficiency. The Regency Alterra Pro i3000 – a large catalytic insert delivering up to 85,000 BTU and 84% LHV efficiency with ultra-low emissions (0.95 g/hr). Featuring edge-to-edge glass, hybrid catalytic Eco‑Boost technology, and a sleek modern design, it heats spacious rooms with elegant, long-lasting warmth. the I3000 features a spacious firebox and a variable speed blower that enhances heat control and circulation. Its expansive viewing area, long burn times, and reduced emissions make it a practical and user-friendly upgrade, while optional faceplates and accessories offer added design flexibility for seamless integration into existing masonry fireplaces.