Resolving the Circulation Dilemma in Multifamily Buildings

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Resolving the Circulation Dilemma in Multifamily Buildings

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

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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]

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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]

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A Cute Water Heater

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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]

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Naturally Circulating Hot Water System

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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]

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Kansas City's Water Heaters

Author: John Quimby
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July 01, 2008

I work for Neighborhood and Community Services in Kansas City, Missouri, in the Minor Home Repair and Weatherization program. I have worked in weatherization since 1986, and performed energy audits prior to that in Fairbanks, Alaska. ... [continue reading]

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Drain Water Heat Recovery Devices

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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]

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Testing a Dual Water- and Space-Heating System

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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]

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Greening Water Usage

Author: Jim LaRue
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September 04, 2007

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]

The Consequences of Flush Toilets

Shawna Henderson

The Consequences of Flush Toilets

So there's lots of excellent work and capacity building going on, and net zero energy, low energy, and high ...

Home Control or Automation?

Clint Stevens

Home Control or Automation?

I have been involved in home automation heavily over the last few years. At my home in Utah, I started ...

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