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Furnace BTU Calculator (Input Square Footage And Climate Zone) The basic principles the furnace sizing calculator is based on are: Larger homes need more BTU than smaller homes (directly proportional to square footage).
Use this calculator to estimate the cooling needs of a typical room or house, such as finding out the power of a window air conditioner needed for an apartment room or the central air conditioner for an entire house. This is a general purpose calculator that helps estimate the BTUs required to heat or cool an area.
This furnace size calculator, or furnace BTU calculator, will help you determine what size of furnace you need for any room area, insulation type, or outdoor temperature. With our tool, you will learn how to calculate furnace size for a house and what BTU is in heating.
Get free estimates from heating and cooling pros in your area to compare prices. Experts suggest between 30 and 60 BTUs of heat per square foot of living space, which is a pretty wide range. The location of your home is a major factor in how many BTUs you’ll need.
We take the size, climate and insulation value, and give you the most accurate furnace btu calculation results you’ll find online. If you want to double-check your results against ours, see the Table below that uses average-sized homes in a range of Zones, etc.
START HERE: Use the Furnace sizing calculator below to calculate your required central air conditioner and heating system Btu size. Follow these easy steps: Select the region you live in according to the color keyed map below. Select the system type needed for your home. (Cooling and Heating or Cooling Only) Select the optional heating type.
Use our quick and free furnace size calculator to get an estimate on your new propane or natural gas furnace’s recommended size & BTU output. Get a quick idea of the ideal furnace heating capacity for your home with this FREE calculator!
Calculate heating BTU needed in four easy steps. 1. Climate Zone: Find your location on the map. Pro tip: If you’re on or near the border between Zones, choose the higher number/cooler Zone. 2. Home Size: Enter the square footage of your home.
With this information, you can use the Heating BTU Calculator to get a basic idea of how many BTUs you need to heat your home. We will also explain how many square feet does a heater (furnace, space heater, etc.) with certain BTU output heat.
Calculate the Heat Load (BTU size) of a High-Efficiency Furnace for your home. This calculator is based on simplified Manual J heat load calculation method, and estimates size of a Furnace based your home’s heat loss, Wall, Ceiling, Windows & Ductwork insulation levels, Duct heat loss, Furnace efficiency, indoor set temperature, etc.