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A reader ponders whether to stick with steam or convert to hydronic.
Chris Corson is working on another Passive House — this time, with a more ample budget, and a more complex design.
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...
There are more than 100 million homes and approximately 20 billion square feet of clear-glass residential windows in the U.S. Most of those homes are more than 30 years old, and as a result, the market is growing for replacement windows with energy-efficient insulating glass.
Instead of replacing a sound single-pane window, consider adding Solar Gard Silver AG 50 Low-E Window Film.
In September 2009 I completed a deep energy retrofit on a small house in Point Reyes Station, Calif., some 50 miles north of San Francisco.
With the right hardware and layout, hot-water heating saves energy and makes ideal use of the sun.
Passive House seeks broader appeal; proposed code changes stir controversy in North Carolina; more
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