What energy standards/quality should we look for when buying replacement windows?
-Jeff in Iowa
Mar. 6, 2015
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Xiaohui Zhou, Ph.D., P.E.
Program Manager

Replacing old windows with energy efficient windows will make an impact on both your utility [...]

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We want to reduce energy consumption in our county buildings. Where can we find baseline energy usage data for public buildings?
-Regina in Iowa
Jan. 22, 2015
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Xiaohui Zhou, Ph.D., P.E.
Program Manager

Iowa Public Building Benchmarking Program is a state-wide program helping  Iowa public organizations benchmark their [...]

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How do I estimate energy consumption for manufacturing equipment and the HVAC requirements of a building?
-Staten Island, NY
Mar. 24, 2014
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Xiaohui Zhou, Ph.D., P.E.
Program Manager

The energy consumption for a building/manufacturing facility is highly dependent on the heating/cooling system design, [...]

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Where can I find a renewable energy assessment for my small farm?
-Sioux City, IA
Mar. 1, 2013
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Bill Haman, P.E.
Program Manager

For wind or solar projects, the North American Board of Certified energy Practitioners (NABCEP) provides [...]

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Is there supportive information on greater efficiency in a commercial building?
-Waverly, IA
Sep. 2, 2011
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Xiaohui Zhou, Ph.D., P.E.
Program Manager

The Investor-Owned Utility Commercial Efficiency Programs, such as Black Hills, Alliant, and MidAmerican, utilize a [...]

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