What Size Furnace Do I Need For 1200 Sq Ft

By staff writer last updated apr 17 2020 10 17 50 pm et.

What size furnace do i need for 1200 sq ft. What size air conditioner or furnace do i need for my home. For example a 50 000 btu. Btu charts furnace output and air conditioner size for a bungalow bungalow area sq ft furnace output btu hr air conditioner size ton built after year 1980 built before year 1980 built after year 1980 built before year 1980 up to readmore. And if it s too small you won t get enough cool or warm air flowing through your home.

Posted on november 30 2018 by rick welter. A mid sized home of 2 000 square feet would need approximately 50 000 to 60 000 btu to heat it properly. The effective btu output which is based on its efficiency rating is a percentage of the btu input rating. For this example using an 80 efficient furnace the 1900 square foot home above would require a 90 000 btu input furnace that produces 72 000 btu s of heating which is close enough to the 76 000 btu s required using the climate heating factor.

At 40 to 45 btus per square foot you d need a 100 000 to 112 500 btu. 3 easy steps for sizing your home s furnace. 2 000 square feet x 40 btus 80 000 btu output required. Furnaces typically have around an 80 percent efficiency rating although more expensive high energy models have at least a 93 percent efficiency rating.

Thanks to the equation we know we need 80 000 btus of heat. 2000 square feet x 40 heating factor from the chart above 80 000 btu actual output. 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. We get this question a lot and it s an important one.

Ac unit size calculator accurately estimates the size of the central air conditioner unit you should install in your house. With a less efficient furnace operating at 80 percent efficiency this would require a. What size furnace do you need. Because if you buy an hvac system that s too big you ll end up wasting money and energy.

Most 1 200 square foot homes needs a furnace with an effective output of 40 000 to 50 000 btus. But before we buy an 80 000 btu furnace there s furnace efficiency to consider as well. Ac calculator uses your house size square feet climate zone efficiency and equipment type standard central air vs central heat pump to show you exactly what size central air unit you need. For cooler climates a very broad estimate of furnace sizing is to select one that generates 40 to 45 btus per square foot.