2026 Central Boiler Classic Edge 865 Hdx

Save big. Burn less. Heat smarter.

Meet the Classic Edge HDX outdoor wood furnace—EPA Step 2 certified, delivering up to 92% efficiency and heating your entire home and domestic hot water using up to 60% less wood than traditional methods.

Designed with a rugged titanium-enhanced stainless steel firebox, it’s built to last a lifetime with zero corrosion.

Smart, automated control—the FireStar "cruise control" monitors combustion, throttles air for peak efficiency, and sends alerts when it's time to add wood—all visible on your phone.

Plus, it features quick-access maintenance (hinged heat exchanger door) and whisper-quiet insulated piping for reliable, low-effort operation.

Water Capacity: 360 Gallon
Rated Heat Output Capacity - 245,000 BTU/Hr
12-Hour Rated Output Capacity - 156,000 BTU/Hr
Firebox Volume: 23 Cubic feet
Door Size: 22.75 Wide by 28.75" Tall