What Size Furnace Do I Need For 1500 Square Feet

Btus of heating and cooling you need for your home.

What size furnace do i need for 1500 square feet. 3 easy steps for sizing your home s furnace. Ceiling heights window sizes and other constraints that affect the size of furnace you need. While shopping for a new furnace remember that the actual output is 80 of the listed btus. What size air conditioner or furnace do i need for my home.

Thanks to the equation we know we need 80 000 btus of heat. A more efficient furnace will output more btus of heat than a less efficient furnace with the same btu rating. If the furnace you selected is more than 10 below your heating requirement we suggest you go up to the next size. For cooler climates a very broad estimate of furnace sizing is to select one that generates 40 to 45 btus per square foot.

If you live in northern virginia and need an installation repair or maintenance for your heating cooling or air quality systems we are the professional team you can rely on to get. Next if you need to calculate the output you need on a gas furnace simply multiply its efficiency by its listed input rating for the btu output of heat. For example if a furnace is rated at 100 000 btus and is 80 efficient then the heat output will be 80 000 btus 100 000 x 8. Posted on november 30 2018 by rick welter.

What size furnace do you need. 2000 square feet x 40 heating factor from the chart above 80 000 btu actual output. Most furnaces are offered in 15 000 20 000 btu increments so you just need to get close in terms of sizing. 45 000 to 90 000 btus.

Furnaces are rated on their btus of energy consumption not their btus of energy output. The average home in modesto is about 1500 sq. This chart is a general guideline that covers tiny houses to average size homes. With a less efficient furnace operating at 80 percent efficiency this would require a.

Therefore if your home s square footage requires a 60 000 btu furnace you would actually need to purchase one that is rated closer to 80 000 btus. You can also get a rough estimate by looking at the square footage of your house. As an example if you are looking at a furnace rated for 60 000 btus the actual output would be 48 000 btus. At 40 to 45 btus per square foot you d need a 100 000 to 112 500 btu.