What Size Furnace For 1200 Sq Ft House

The best way to determine the perfect hvac unit size is to have a manual j calculation done for your house.
What size furnace for 1200 sq ft house. But there are also rule of thumb estimations you can use to pick a furnace size for your home. Get the cost of 1 ton 2 ton 4 ton and 5 ton ac unit. Variables let s talk about all of the variables that come into play when selecting a new air conditioner system or furnace. In the example above using an 80 efficient furnace the 2000 square foot home above would require a 100 000 btu input furnace which will produce the necessary 80 000 btu s output of heat.
X 12 ft 300 square feet. For cooler climates a very broad estimate of furnace sizing is to select one that generates 40 to. 160 square feet. 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.
This furnace would be suitable for say an older home in atlanta or los angeles and would be more than sufficient for a new home with good insulation. The effective btu output which is based on its efficiency rating is a percentage of the btu input rating. With a less efficient furnace operating at 80 percent efficiency this would require a. 260 square feet.
96 square feet. If you find a furnace with 90 000 btus and an 80 percent efficiency rating your output will be 72 000 btus. Determine how many btus of heating and tons of ac you need. A mid sized home of 2 000 square feet would need approximately 50 000 to 60 000 btu to heat it properly.
Ac unit size calculator accurately estimates the size of the central air conditioner unit you should install in your house. The manual j. For example a 50 000 btu furnace with an efficiency rating of 80 percent provides a 40 000 btu output. Most 1 200 square foot homes needs a furnace with an effective output of 40 000 to 50 000 btus.
X 15 ft 150 square feet. Figuring out an accurate hvac size involves 2 basic steps. 360 square feet. Let s go back to our hypothetical 1 900 square foot house.
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.