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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 1-24 of 143 results
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  • Goodman GCVM961005DX

    100,000 BTU Furnace, 95% Efficiency, Modulating Burner, 2,000 CFM Variable Speed Blower, Horizontal / Downflow Application

    $1,730.00 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Heatstar 9120 NDSP-5

    120,000 BTU, 1-Stage NG, Infrared Radiant Heater with Automatic Spark Ignition

    $ 699.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Raywall HF3316T2RPW

    4 Kilowatt (13,648 BTU) Fan Forced Electric Wall Heater, with Double Pole Thermostat, 240/208 VAC

    $ 229.99

    Or as low as /mo

    (1 Review)
  • T.P.I. Corporation 178TMC

    Ceramic Fan Forced Heater 120V 1500/850W

    $ 68.99

    Or as low as /mo

    (0 Reviews)
  • T.P.I. Corporation 198TMC

    1500/900/600W 120V Radiant/Fan Forced Portable Heater

    $ 67.99

    Or as low as /mo

    (0 Reviews)
  • T.P.I. Corporation H2906-036SW

    2,040 BTU - 3 Ft 240 Volt Electric Baseboard

    $ 41.99
    (2 Reviews)
  • T.P.I. Corporation MR4201

    15,359 BTU Heavy Duty Metal Sheath Infrared Heater

    $ 244.99

    Or as low as /mo

    (0 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

    $ 195.99

    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

    $ 199.99

    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

    $ 317.99

    Or as low as /mo

    (13 Reviews)
  • Williams 1773511

    17,700 BTU, 82% AFUE, Direct-Vent Wall Furnace, Top Air Outlet, Liquid Propane, 120 VAC

    $1,189.99 Free Shipping

    Or as low as /mo

    (1 Review)
  • Williams 1773512

    17,700 BTU, 82% AFUE, Direct-Vent Wall Furnace, Top Air Outlet, Natural Gas, 120 VAC

    $1,189.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • Williams 2056511.9

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

    $ 314.99

    Or as low as /mo

    (13 Reviews)
  • Blueridge RL-14-BLACK

    Black Cast Iron Wood and Multi-fuel Stove

    $ 370.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Breckwell SW740L

    Wood Stove with Blower, Leg Mount

    $ 999.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Breckwell SW740P

    Wood Stove with Blower, Pedestal Mount

    $ 999.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • US Stove BSK1000

    Standard Barrel Stove Kit

    $ 47.99
    (2 Reviews)
  • Vogelzang TR004

    Colonial EPA Wood Burning Stove

    $1,099.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • Breckwell SA940L

    Standard Leg Set

    $ 79.99

    Or as low as /mo

    (0 Reviews)
  • Breckwell SALOG

    Ceramic Log Kit

    $ 91.99

    Or as low as /mo

    (0 Reviews)
  • US Stove 1500

    Coal Forced Air Furnace, 139,000 BTU

    $1,399.99 Free Shipping

    Or as low as /mo

    (0 Reviews)
  • US Stove 2000

    Midsize Wood Stove, Log Burning Stove

    $ 799.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • US Stove 2500

    Country Hearth Wood Stove, Log Burning Stove

    $1,072.99 Free Shipping

    Or as low as /mo

    (2 Reviews)
  • US Stove 3000

    Extra Large Wood Stove, Log Burning Stove

    $1,225.99 Free Shipping

    Or as low as /mo

    (0 Reviews)