40,000 BTU Furnaces

Buy a 40,000 BTU Furnace direct with HVACDirect.com - we want to be your trusted furnace store! At HVACDirect.com we provide quality HVAC equipment like furnaces at some of the lowest prices around. Browse our large selection of 40,000 BTU Furnaces below.

If you are looking for a new high efficiency gas furnace; look no further than Goodman's line of 40,000 BTU furnaces. Goodman has become one of the largest manufacturers of residential and light commercial air conditioning, heating, and indoor air quality products and systems by focusing on just one thing: building the most reliable and refreshingly affordable indoor comfort products in the market including 40000 BTU air conditioners.

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BTU is an old acronym that stands for British Thermal Unit - and although the brits hardly ever use the term anymore we're still using it here in the United States. Essentially a BTU is a unit of energy. Specifically one BTU is equal to the energy it takes to raise the temperature of 1 lb. of water exactly 1 fahrenheit. Sound complicated? It's not. It basically breaks down to this: A higher BTU translates to more heating power.

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