Gas Unit Heater Sizing Calculator

Take the guesswork out of garage heater sizing.

Gas unit heater sizing calculator.

A little under sizing or over sizing is fine just don t over size by more than about 20 of your heating requirement or short cycling can occur which wastes energy and reduces your comfort. Given all the different options available for heaters space vented gas console and more narrowing down the choices can be a great way to ensure that you are choosing the best option. When shopping for heaters many people make the mistake of choosing the wrong size for their actual needs. This btu calculator will determine what hearth product size is required with only a few steps and information such as square footage sq ft.

Multiply that result by the temperature increase you calculated in step 3. 1 watt is approximately 3 412 btu per hour. Furnaces are rated by the amount of fuel energy consumed when running called input btu. We are currently upgrading our site to better serve you.

If your garage heater is too small it will take a very long time to reach your desired comfort level if at all. This hvac load calculator quickly estimates the size of your heating and cooling system in btu s. The british thermal unit or btu is an energy unit. The heat load estimate is based on your climate region total square footage number of rooms or zones you want ceiling height insulation type number of windows and doors.

1 btu 1 055 joules 252 calories 0 293 watt hour or the energy released by burning one match. If you re still unsure which system size is right for you please e mail us or call our toll free number at 1 866 862 8922. Calculate how many btus you need to heat a room or even a house with a wood burning pellet or gas fireplace insert or stove. The result rounded off to the nearest thousand is the total btus or heater size you need.

Sizing a garage heater is a critical part of the process. The heating capacity of a furnace is measured in thousands of btu british thermal units. Calculate the btus you need. In the example this would be 40 000 btus.

It is approximately the energy needed to heat one pound of water by 1 degree fahrenheit. Once you ve decided to heat your garage or workspace it is essential to select the correct unit size for the space. Thank you for visiting. Different furnaces of the same input btu have different efficiencies measured in percentages.

First multiply by 133 the total cubic feet of area determined in step 2.