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AMERICA'S HEATING & COOLING STORE™
EST. 2002
Home Air Products™
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Low Profile, Bottom Air Outlet, Natural Gas / LP

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 1-13 of 13 results
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  • Rinnai EX08CN

    8,000 BTU Direct Vent, 82% Efficiency, Natural Gas Wall Furnace

    $ 952.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX08CP

    8,000 BTU Direct Vent, 83% Efficiency, Liquid Propane Wall Furnace

    $ 919.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX11CN

    11,000 BTU Direct Vent, 81% Efficiency, Natural Gas Wall Furnace

    $1,072.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX11CP

    11,000 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    $1,072.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX17CN

    16,700 BTU Direct Vent, 81% Efficiency, Natural Gas Wall Furnace

    $1,308.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX17CP

    16,700 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    $1,308.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX22CN

    21,500 BTU Direct Vent, 81% Efficiency, Natural Gas Wall Furnace

    $1,378.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX22CP

    20,700 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    popular
    $1,378.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX22CWP

    20,700 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    $1,380.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX38CN

    38,400 BTU Direct Vent, 80% Efficiency, Natural Gas Wall Furnace

    $1,704.99 Free Shipping

    Or as low as /mo

    (6 Reviews)
  • Rinnai EX38CP

    36,500 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    popular
    $1,724.99 Free Shipping

    Or as low as /mo

    (6 Reviews)
  • Rinnai EX38CWN

    38,400 BTU Direct Vent, 80% Efficiency, Natural Gas, White Wall Furnace

    popular
    $1,713.99 Free Shipping

    Or as low as /mo

    (10 Reviews)
  • Rinnai EX38CWP

    36,500 BTU Direct Vent, 82% Efficiency, Liquid Propane, White Wall Furnace

    $1,704.99 Free Shipping

    Or as low as /mo

    (10 Reviews)