Building Science

Peter Yost Blog Profile

Do Window Shades Save Energy?

Posted on September 30, 2008 by Peter Yost

Yes, but high-performance windows and exterior shading may save more

While it's theoretically impossible for anything to actually save energy, interior window shades can indeed keep summer heat out and winter heat in. The real questions then become: How well do they perform, and under what circumstances?

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Energy Star Raises the Bar for Home Builders

Posted on September 30, 2008 by Daniel Morrison

New Standards Push the Energy Envelope 50% Past 2006 IECC International Energy Conservation Code.

A couple of interesting announcements from Sam Rashkin, the national director of Energy StarLabeling system sponsored by the Environmental Protection Agency and the US Department of Energy for labeling the most energy-efficient products on the market; applies to a wide range of products, from computers and office equipment to refrigerators and air conditioners. for Homes: new standards that raise the bar, and a new program, Advanced New Home ConstructionA proposed U.S. Environmental Protection Agency (EPA) program to promote the construction of “better than Energy Star” homes. The proposal calls for builders to comply with a “Builder Option Package” of measures including superinsulated walls, triple-glazed windows, ducts within the conditioned space, compact duct layout, a furnace with sealed plenums and a variable-speed energy-efficient blower motor, an efficient hot water distribution system, and a solar water heater or heat-pump desuperheater., for the best builders in the country.

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