(800)865-5931 Mon-Fri 7am-7pm, Sat 9am-2pm CT
AMERICA'S HEATING & COOLING STORE™
EST. 2002
Home Air Products™
42
Free Shipping See Details
|
No Sales Tax See Details
Enter your zip for personalized product and service recommendations.
YOUR SHOPPING EXPERIENCE IS NOW PERSONALIZED.

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.
Displaying 1-8 of 8 results
Results per Page:
Sort by:
  • Williams 1096543.9

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

    $ 182.99

    Or as low as /mo

    (12 Reviews)
  • Williams 2056511.9

    20,000 BTU Ventless Console Heater, 99.9% Efficiency, Liquid Propane, Glass Front with Blue Flame, Automatic Thermostat

    popular
    $ 394.80

    Or as low as /mo

    (12 Reviews)
  • Williams 0656541.9

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

    $ 245.40

    Or as low as /mo

    (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

    $ 245.40

    Or as low as /mo

    (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

    $ 388.80

    Or as low as /mo

    (12 Reviews)
  • Williams 2056512.9

    20,000 BTU Ventless Console Heater, 99.9% Efficiency, Natural Gas, Glass Front with Blue Flame, Automatic Thermostat

    $ 394.80

    Or as low as /mo

    (12 Reviews)
  • Williams 3056511.9

    30,000 BTU Ventless Console Heater, 99.9% Efficiency, Liquid Propane, Glass Front with Blue Flame, Automatic Thermostat

    popular
    $ 418.20

    Or as low as /mo

    (12 Reviews)
  • Williams 3056512.9

    30,000 BTU Ventless Console Heater, 99.9% Efficiency, Natural Gas, Glass Front with Blue Flame, Automatic Thermostat

    popular
    $ 418.20

    Or as low as /mo

    (12 Reviews)