Outdoor Boilers

Central Boiler has been manufacturing outdoor wood furnaces since 1984. Based in Greenbush, Minnesota, Central Boiler is the largest outdoor manufacturer of the outdoor furnace. The company’s outdoor furnaces work similar to a standard central heating unit but use wood as fuel.

  • Constructed of titanium-enhanced stainless steel, the firebox has superior corrosion resistance and excellent heat transfer performance. This allows loading the firebox for longer burn times (in some cases up to 48 hours or more*) and burning some wood that is less than perfectly seasoned. Central Boiler recommends burning seasoned wood when possible because dry wood burns better and provides more energy for heating your home. You'll burn less wood, saving you more money and time. That is, after all, what you want your outdoor furnace to do. *Actual burn times vary based on wood types, moisture content, heat load and ambient temperature.
  • Constructed of titanium-enhanced stainless steel, the firebox has superior corrosion resistance and excellent heat transfer performance. This allows loading the firebox for longer burn times (in some cases up to 48 hours or more*) and burning some wood that is less than perfectly seasoned. Central Boiler recommends burning seasoned wood when possible because dry wood burns better and provides more energy for heating your home. You'll burn less wood, saving you more money and time. That is, after all, what you want your outdoor furnace to do. *Actual burn times vary based on wood types, moisture content, heat load and ambient temperature.
  • Constructed of titanium-enhanced stainless steel, the firebox has superior corrosion resistance and excellent heat transfer performance. This allows loading the firebox for longer burn times (in some cases up to 48 hours or more*) and burning some wood that is less than perfectly seasoned. Central Boiler recommends burning seasoned wood when possible because dry wood burns better and provides more energy for heating your home. You'll burn less wood, saving you more money and time. That is, after all, what you want your outdoor furnace to do. *Actual burn times vary based on wood types, moisture content, heat load and ambient temperature.
  • Constructed of titanium-enhanced stainless steel, the firebox has superior corrosion resistance and excellent heat transfer performance. This allows loading the firebox for longer burn times (in some cases up to 48 hours or more*) and burning some wood that is less than perfectly seasoned. Central Boiler recommends burning seasoned wood when possible because dry wood burns better and provides more energy for heating your home. You'll burn less wood, saving you more money and time. That is, after all, what you want your outdoor furnace to do. *Actual burn times vary based on wood types, moisture content, heat load and ambient temperature.
  • Overall Efficiency (LHV) - 88.4%* Overall Efficiency (HHV) - 82.2%* Manufacturer's Rated Heat Output Capacity** - 150,000 Btu/hr Heat Output (12 hr) - 66,894 Btu/hr
  • Overall Efficiency (LHV) - 90.2%* Overall Efficiency (HHV) - 83.8%* Manufacturer's Rated Heat Output Capacity** - 200,000 Btu/hr Heat Output (12 hr) - 92,417 Btu/hr
  • Classic Edge 760 Titanium HDX Overall Efficiency (LHV) - 89.8%* Overall Efficiency (HHV) - 83.4%* Manufacturer's Rated Heat Output Capacity** - 245,000 Btu/hr Heat Output (12 hr) - 146,686 Btu/hr
  • Overall Efficiency (LHV) - 92.1%* Overall Efficiency (HHV) - 85.6%* Manufacturer's Rated Heat Output Capacity - 400,000 Btu/hr Heat Output (12 hr) - 212,957 Btu/hr The Classic Edge 960 is EPA Step 2 Certified.
  • The Maxim M255 PE is EPA Step 2 Certified. Overall Efficiency (LHV) - 96.2%* Overall Efficiency (HHV) - 89.2%* Manufacturer's Rated Heat Output Capacity** - 190,000 Btu/hr
  • The Pallet Burner is Dual Fuel Ready standard. The furnace can be fitted with an optional fuel oil, natural gas or propane burner (sold separately). Click here to learn more about Dual Fuel Ready models. The Pallet Burner is not a Classic model. Heating capacity similar to the CL 7260* *Actual performance values have been relayed to Central Boiler by Central Boiler Classic furnace owners.

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