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Home Performance

Water

Hot Water

Spotlight Article:

Resolving the Circulation Dilemma in Multifamily Buildings

Demand-controlled pumping for hot water distribution holds high value in multifamily buildings.

Drain Water Heat Recovery Devices

Author: John Gusdorf, Charles Zaloum and Maxime Lafrance

premium CONTENT

May 01, 2008

Drain water heat recovery (DWHR) devices are little-known but effective means to save hot water energy and homeowner dollars. [continue reading]

Testing a Dual Water- and Space-Heating System

Author: Roy H. Jensen

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January 09, 2008

I tested a dual system for domestic hot water and space heating in a home where a furnace and ductwork were previously used for space heating. [continue reading]

Some pundits have suggested that the next international conflicts will not be over oil, but over water. Not long ago, an uproar was stirred in our area in the upper Midwest when it was discovered ... [continue reading]

Graywater on the Grid

Author: Elka Karl

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September 04, 2007

On October 24, 2006, the EcoHouse, a demonstration green living home in Berkeley, California, gained approval for its constructed wetland and graywater hybrid system. The graywater system became the first to pass code in the state of ... [continue reading]

Cold Water Works

Author: Jim Gunshinan

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July 01, 2007

Business-minded people eagerly await the latest issue of Fortune magazine, and the more literary among us look forward to reading the latest fiction in the New Yorker or Atlantic Monthly. Here at Home Energy, some ... [continue reading]

Benefits of Demand-Controlled Pumping

Author: Larry Acker and Gary Klein

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June 12, 2007

Much water and energy is wasted in residential buildings, due to poorly designed, poorly installed—and therefore poorly functioning—hot water delivery systems. Homes built in the ... [continue reading]

Watergy - Connecting Water with Energy

Author: Chandler von Schrader

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June 07, 2007

This special edition of Home Energy is dedicated to raising awareness of the important relationship between water and energy. I like the term “watergy,” which I thought I had invented until I found ... [continue reading]

Efficiency Just Makes WaterSense

Author: Cindy Simbanin

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June 07, 2007

Which saves more energy—turning off your faucet or turning off your lights? If you guessed turning off your lights, think again. Running your faucet for 5 minutes can use as much energy as running ... [continue reading]