The Elusive Search for an Energy-Efficient Water Heater

My Sunday kayak adventure with my wife and friends on Lake Tahoe was magic. Paddling that beautiful lake relaxed me to the point where, by the time I reached home, I was ready for a ...

Monitoring Results for the Factor 9 Home

Author: Rob Dumont

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BPI CE

September 03, 2010

Canadian building scientists and a family of four set out to build a home that uses nine times less energy than the average - and half the water. [continue reading]

Solar Improvements for the Home

Author: Chris Staskewicz

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September 03, 2010

Once homeowners commit to one form of solar improvement, they soon start inquiring about other options as well. Here's how to answer their need and grow your business. [continue reading]

America is a thirsty nation. Between 1950 and 2005, the U.S. population doubled, while our demand on water supplies more than tripled. Although water is relatively inexpensive, the cost to repair our nation’s aging ... [continue reading]

Converting From Steam To Hot Water

Author: Steve Greenberg

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July 01, 2009

Q . Is it feasible to retrofit cast-iron single-pipe steam radiators to work on hot water from a new combined heating/domestic hot water (DHW) system? And if so, would it ever make sense ... [continue reading]

Looking for a Comfortable Low-Flow Shower Experience

Author: Gary Klein

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May 06, 2009

Q. John Koeller notes how the plumbing industry has taken advantage of the lack of any prohibition against multiple head and body spray luxury shower installations resulting in many very high flow installations (“... [continue reading]

Danger in the Shower: 2008 Forum Looks at Hot Water

Author: John Koeller

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January 02, 2009

On average, water heating accounts for 15% of residential energy consumption. In the past few years, there has been an explosion of interest in meeting domestic hot water needs more efficiently. New hot-water-generating technologies, structured plumbing ... [continue reading]

A Cute Water Heater

Author: Takehiro Maruyama

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November 06, 2008

Yes, there are cute water heaters. ECO-CUTE is a Japanese trademark and nickname for heat pump water heaters that use CO2 as a refrigerant. (Cute is the pronunciation of “hot water supply” in ... [continue reading]

Naturally Circulating Hot Water System

Author: Steve Greenberg

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September 07, 2008

Steve Greenberg is a facilities energy management engineer at Lawrence Berkeley National Laboratory and a technical editor at Home Energy. Q: I have been having a discussion with a fellow worker concerning our house heating ... [continue reading]