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Natural Gas / Propane (LP) Fuel, Furnaces

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 49-72 of 198 results
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  • Amana AMH80804BX

    Low NOx Emission 80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 730.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • Amana AMH80805CN

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

    $ 716.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • Amana AMH80805CX

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

    $ 733.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • Amana AMH81005CN

    100,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 772.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • Amana AMH81005CX

    Low NOx Emission 100,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 791.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • Amana AMH81205DN

    120,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 835.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • Amana AMH81205DX

    Low NOx Emission 120,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 835.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • Amana AMSS920402BN

    40,000 BTU Furnace, 92% Efficiency, 1-Stage Burner, 800 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 795.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS920603BN

    60,000 BTU Furnace, 92% Efficiency, 1-Stage Burner, 1200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 817.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS920803BN

    80,000 BTU Furnace, 92% Efficiency, 1-Stage Burner, 1200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 893.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS920804CN

    80,000 BTU Furnace, 92% Efficiency, 1-Stage Burner, 1600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 936.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS920805CN

    80,000 BTU Furnace, 92% Efficiency, 1-Stage Burner, 2000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 975.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS921004CN

    100,000 BTU Furnace, 92% Efficiency, 1-Stage Burner, 1600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,003.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS921005CN

    100,000 BTU Furnace, 92% Efficiency, 1-Stage Burner, 2000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,029.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS921205DN

    120,000 BTU Furnace, 92% Efficiency, 1-Stage Burner, 2000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,099.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS960402BN

    40,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 800 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 960.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS960603BN

    60,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 1200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,001.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS960803BN

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

    $1,089.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS960804CN

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

    $1,121.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS960805CN

    80,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 2000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,157.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS961005CN

    100,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 2000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,290.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMSS961205DN

    120,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 2000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,368.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMVC80604BN

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

    $1,003.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Amana AMVC80604BX

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

    $1,003.99 Free Shipping

    Or as low as /mo

    (0 Reviews)