How do I determine the size of the overhang on a shallow deck on my home so that it allows in winter sun but blocks direct summer sun?
-Mark in Iowa
Feb. 5, 2016
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Sunlight shining on window surface is a function of latitude, cardinal direction, dimensions of the [...]

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What should the humidity level in my home be during summer months in Iowa?
-Jaime in Iowa
Aug. 25, 2015
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Iowa Energy Center
Staff

Most people are comfortable with relative humidity percentages between 30% and 50%. Humidity above 65% [...]

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What energy standards/quality should we look for when buying replacement windows?
-Jeff in Iowa
Mar. 6, 2015
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Replacing old windows with energy efficient windows will make an impact on both your utility [...]

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I have an older all electric home. My electric bill for November was very high. What should my short and long term priorities be for lowering my electric bill?
-Chris in Iowa
Jan. 20, 2015
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Your short term priority is to find a qualified energy auditor to do a comprehensive [...]

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Is combining radiant flooring with a geothermal system a workable approach in new construction?
-Iowa
Jul. 30, 2014
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Yes, combining radiant flooring with geothermal is a workable approach. Radiant flooring is one way [...]

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How do I find the source of cold spots in my home during winter months?
-Ankeny, IA
Mar. 3, 2014
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  A good place to start is with a home energy audit, if available, from [...]

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