Ac Sizing Per Square Foot

Apply the square footage to size the correct air conditioner for that room.

Ac sizing per square foot.

40 45 btu s per square foot. 30 35 btu s per square foot. 45 50 btu s per square foot. Make sure to exclude the square footage of your attic basement garage unless you are using any of them as living spaces.

So for instance a 1 500 square foot home would look something like this. 50 60 btu s per square foot. 35 40 btu s per square foot. Here is another very quick and basic way to figure out the size of an ac unit based on the number of square feet in your house.

1 500 x 30 45 000 45 000 12 000 3 75 3 75 1 0 2 75 so you d need a 2 5 or a 3 ton sized central air conditioning unit.