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Starting at $462.99, Overstock Furnace Special!

BTU CALCULATOR
BTU CALCULATOR

BTU stands for "British Thermal Unit" and measures the heating or cooling capacity of a furnace or air conditioning unit. Enter your homes square footage to see how many BTU's are required to adequately heat or cool it.

Enter the square footage of your home (or room) and press Go.

Square Footage

GO
This calculator is for estimating capacity only, and does not give exact equipment capacities for your home.
Displaying 97-101 of 101 results
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  • Goodman GMSS960803BN

    80,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 1200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 845.99 Free Shipping
    (8 Reviews)
  • Goodman GMSS960804CN

    80,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 1600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 879.99 Free Shipping
    (8 Reviews)
  • Goodman GMVC80604BN

    60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Variable Speed Blower, Upflow/Horizontal Flow Application

    $ 942.99 Free Shipping
    (0 Reviews)
  • Goodman GMVC80805CN

    80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 2,000 CFM Variable Speed Blower, Upflow/Horizontal Flow Application

    $ 957.99 Free Shipping
    (0 Reviews)
  • Goodman GMVC80805CX

    Low NOx Emission 80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 2,000 CFM Variable Speed Blower, Upflow/Horizontal Flow Application

    $ 980.99 Free Shipping
    (0 Reviews)

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.