your best thing to do is have a heating and ac contractor come out and tell them you would like them to run a load calculation and submit it to you with there price everyone gives free est. if they don't do not use them I run load calc. on every house we do and by state code you have to. There is no rule of thumb in this they can and will take your state lic.
1,200
3,100
900 square feet
Rule of thumb is 1.5 tons per 1000 square feet of home.
to calulate your btu needs,you can use this link: http://hearth.com/calc/btucalc.html
It depends on the width of the carpet.
My home needs ventilation. What size attic fan would I need for a 1200 square foot house?
1,680 square feet.
1195 square feet could be considered a small house, as it falls below the average size of a single-family home in the United States, which is around 2500 square feet. The size of a small house can vary based on location and personal preferences, but generally, anything below 1500 square feet is considered small.
75,000 square feet
To find the total square footage of a 28x76 mobile home, you would multiply the length (28 feet) by the width (76 feet). This calculation would give you a total of 2,128 square feet for the mobile home.
There's no way to calculate that just from square footage.
14ft x 76 ft = 1064 square feet.
14 feet x 70 feet = 980 square feet.
32 x 70 = 2,240 square feet.
1,200
3,100