The size of your space determines how much cooling capacity you need. Budget air conditioners range from 5,000 BTU, which can handle about 150 square feet, to 12,000 BTU, enough to cover about 550 square feet.
Also question is, how many BTU of heat do you need per square foot?
Multiply the total square footage to be heated by the heating factor. If you live in a 2,500 square foot home and a climate zone with a heating factor of 40 BTUs per square foot, you need a furnace with an output of 100,000 BTUs per hour.
What size furnace do I need for a 1000 square foot home?
A basic rule of thumb is that it takes 30 BTUs for every 1,000 square feet. At the most basic level, if you have a 1,000 square foot house, you'll look for a furnace that has 30,000 BTU output.
How many square feet does 10000 BTUs heat?
BTU Sizing Chart for Mini Split Systems
|Area To Be Cooled||Capacity Needed (BTUs Per Hour)|
|300 to 350 square feet||8,000 BTUs|
|350 to 400 square feet||9,000 BTUs|
|400 to 450 square feet||10,000 BTUs|
|450 to 550 square feet||12,000 BTUs|
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