How to keep cool in and heat out?
I am not in construction or an architect, just someone who would like to live in/build a small, comfortable, energy efficient home. I don’t need and could never afford a Passive House. Don’t even know if one would work where I live. I live in the low desert southwest near Phoenix. Living is very different here than in cold weather areas. And very different than Florida or humid areas of Texas. Outside temps over 100F in shade 5-6 months; highs 115F; nighttime lows 95F for at least 2-3 months. Low humidity 10 months. Little or no drought resistant shade trees. Most people do not cool their homes below 79F. A lot live/work at home. Not really worried about cold. Portable room heaters work fine when needed so radiant heat designs are not too valid. But…air conditioning is VERY expensive. Yet your description of warm weather homes makes no sense for here. To begin with we would never orient length of home east/west.
I’ve learned a lot reading this blog. Thank you. For example we need to keep heat out rather than keep heat in or keep cool in and heat out and this is apparently handled differently than in cold weather? Is it? But how? That is what I would like to know. I would love to read/learn more about building energy efficient homes for this environment. Any suggestions?
Posted Fri, 06/27/2014 - 11:15
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Has the Oak Ridge study on convective heat loss in blown fiberglass been updated to cover newer materials?