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Ventless Gas & LP Wall Heaters

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.
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  • Williams 0656541.9

    6,000 BTU Ventless Console Heater, 99.9% Efficiency, Liquid Propane, Glass Front with Blue Flame, Manual Thermostat, F.E.S

    $241.20
    In Stock

    Or as low as

    (0 Reviews)
  • Williams 0656542.9

    6,000 BTU Ventless Console Heater, 99.9% Efficiency, Natural Gas, Glass Front with Blue Flame, Manual Thermostat, F.E.S

    $241.20
    In Stock

    Or as low as

    (0 Reviews)
  • Williams 1056512.9

    10,000 BTU Ventless Console Heater, 99.9% Efficiency, Natural Gas, Glass Front with Blue Flame, Automatic Thermostat, F.E.S

    $384.00
    In Stock

    Or as low as

    (13 Reviews)