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What ton AC unit do you use for a residential house measuring 3,500 sq. ft.?

Have an inspector who told me i have to have post manual J calculations for the house, and i need some help!,

Asked by Tirso Torales
Posted Nov 2, 2012 11:17 AM ET
Edited Nov 2, 2012 12:13 PM ET

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1.

Tirso,
Your building inspector is right. If you don't know how to perform a Manual J calculation, you'll have to hire an energy consultant or a HERS rater to perform the calculation for you.

Here is some more information on Manual J calculations and cooling load calculations:

Saving Energy With Manual J and Manual D

Calculating Cooling Loads

Answered by Martin Holladay, GBA Advisor
Posted Nov 2, 2012 11:44 AM ET

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