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Q: A customer wants me to install one of the new heat-pump water heaters in the ground-floor utility room of a house built on a slab. I don't have any direct experience with them, but since they work by drawing heat from the surrounding air, won't any energy savings in the winter be at least partly...
Q. Same Windows, Different Climates? As a HERS rater working in north-central New England, I've noticed that the U-values of the windows that most builders are installing are quite good — below .35 — but they have low SHGC (solar heat-gain coefficient) values. While it seems that windows with...
Q. I'm considering using electric radiant heating panels in the ceiling of a small superinsulated apartment, but I hear a lot of bias against electric heat. Can it be cost effective in this case?
Site glazing with Superglass
The lowdown on low-e glazings
Q: The Journal’s panel of experts answers the most commonly asked questions from the job site.
Air-to-hear exchangers aren’t the only way to ventilate tight houses. A designer of low-energy homes looks at three less expensive options.
Engineer Marc Rosenbaum tells us how to build energy-efficient houses without spending a bundle, and gives a review of some of the products he's used.
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