Commercial Warm Air Furnaces

Product Information 

Commercial warm air furnaces are self-contained oil-fired or gas-fired furnaces that are designed to supply heated air through ducts to spaces that require it. Commercial warm air furnaces are industrial equipment and have a maximum rated input capacity of 225,000 British thermal units (Btu) an hour or more.

For more information, see the DOE’s Appliance and Equipment Standards for this product.