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Friday, December 19, 2014
Helping the hot air escape
(Page 2 of 2)

The latest version of the building codes actually has formulas for calculating the minimum venting requirements for various conditions. Just like most of the regulations in the building codes, the information given is for the minimum requirement only, and, generally speaking, should be used as a baseline to be exceeded using safety factors to cover extreme conditions. Venting is important. Keeping the roof structure below the shingles cool enough to avoid harming the shingles is critical to their performance.

An alternative method gaining popularity is to condition and insulate the attic to be cooler. It makes sense to do this, especially since most air conditioning fan units are located in hot spaces, making them work even harder to circulate cool air throughout your home, and costing you more. So save your money by putting in the through-the-roof vent fans. Solar-operated fan units, costing more, save much more in the long run.

©2013 Monte Leeper. Readers are encouraged to send questions to yourhousedr@aol.com, with “Herald question” in the subject line, or to Herald Homes, 2 Endo Blvd., Garden City, NY 11530, Attn: Monte Leeper, architect.

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