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    torreshvac's Avatar
    torreshvac Posts: 1, Reputation: 1
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    #1

    Jun 25, 2006, 09:55 AM
    How do you size a home for ac
    I know how to use the formula of .40 per square foot on a regular home and .45 per square foot on a drafty home for heat, but what formula do you use to calculate air conditioning per square feet. Also how do you know how many cfm's you need per room when you are calculating what size boot you need per room?
    I do know that for every ton of air would be 400 cfm
    And I do know what cfm's each size flex puts out
    Can someone e-mail me and school me on some of this... [email protected]
    caibuadday's Avatar
    caibuadday Posts: 460, Reputation: 10
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    #2

    Jun 27, 2006, 04:46 PM
    Quote Originally Posted by torreshvac
    i know how to use the formula of .40 per square foot on a regular home and .45 per square foot on a drafty home for heat, but what formula do you use to calculate air conditioning per square feet. also how do you know how many cfm's you need per room when you are calculating what size boot you need per room?
    i do know that for every ton of air would be 400 cfm
    and i do know what cfm's each size flex puts out
    can someone e-mail me and school me on some of [email protected]
    .40/ .45 are just ball park estimate, Google around and you will find afew sites that offer to do cooling cal for afee
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