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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Tucson Blooms with Less Water

free CONTENT
May 01, 2004

        Water is an increasingly precious resource that needs to be used more wisely, and there are energy penalties associated with heating and distributing water inefficiently (see “Are You ... [continue reading]

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Are You Getting into Hot Water?

free CONTENT
September 01, 2003

We've come a long way in making hot water more efficiently. The next place to cut waste is in the distribution systems. [continue reading]

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Solar Water Heating Up

free CONTENT
May 01, 2002

A wide range of options exist for ready-to-install, readily certified solar water heating systems. To further heat things up, government and utility incentives are expanding. [continue reading]

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Tankless Water Heaters

Author: Ed Wyatt
free CONTENT
May 01, 2002

    Q:    It seems like I waste a lot of water while waiting for the hot water to get to my faucet. I have heard that tankless water heaters can ... [continue reading]

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Building a Boiler Side-Arm

Author: Michael Lamb
archive CONTENT
November 01, 1999

A boiler is generally more fuel efficient than a standard gas water heater, especially when the boiler is fully loaded. [continue reading]

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Money Down the Drain: Controlling Hot Water Recirculation Costs

archive CONTENT
November 01, 1999

Energy use for domestic hot water (DHW) is the second largest component of a multifamily building's energy budget; it is surpassed only by heating in cold and mixed climates. [continue reading]

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Fuel Use in Multifamily Buildings

archive CONTENT
November 01, 1999

Multifamily buildings with more than five units make up about 17% of all U.S. housing, yet scant information exists on the fuel use of these building in specific locations (see "Multifamily Statistics"). [continue reading]

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Ground Source Heat Pumps Dig In

archive CONTENT
September 01, 1999

Ground source heat pumps (sometimes called geothermal heat pumps, Geo-Exchange Systems, or GHPs) most often exchange heat with the ground by means of a ground heat exchanger. [continue reading]

How to Make Sure Your Kids Grow Up to Be Energy-Conscious Adults

Kurt Jacobson

How to Make Sure Your Kids Grow Up to Be Energy-Conscious Adults

Do you know that, according to the DOE, the United States uses up energy worth nearly a million dollars every ...

Debunked: 3 Myths About Fiberglass Windows

Paul Kazlov

Debunked: 3 Myths About Fiberglass Windows

The different types of windows homeowners might consider may include wood, vinyl, and fiberglass. Most people think that wood is ...

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