Air conditioning

jimmy1 · #1 Mar 2, 2007, 04:20 PM

How do I calculate how many tons of A/C I need to cool a house. I don't want the contractor to rip me off

T-Top · Mar 2, 2007, 05:12 PM

If you dont trust him why use him. If i had a dime for every home owner that told me the size unit that they need I would be rich. Its called a load calculation. It will tell you the size of heat or air you need for your area.(How many windows,R- value in the walls and attic,square feet of the home,so on and so on....)

T-Top · Mar 2, 2007, 06:16 PM

Sorry jimmy1 for getting on the soap box. rule of thumb and not accurate .08 to 1 cfm per square foot, depends on location.

MCC · Mar 3, 2007, 02:38 PM

1 ton of refrigeration will take care of 500 sq ft. with 8 ft ceilings



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