The Elusive Search for an Energy-Efficient Water Heater

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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 ...

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Building a Boiler Side-Arm

Author: Michael Lamb
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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

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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

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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

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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]

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Calculating Water Heater Energy Use

archive CONTENT
July 01, 1999

Have you ever wanted to calculate how much energy a water heater would use annually in a given household? To make this task easier, Lawrence Berkeley National Laboratory (LBNL) has developed a straightforward equation that produces results close to those of simulation programs--without their baffling complexity. [continue reading]

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Making Solar Hot Water Affordable

archive CONTENT
January 01, 1999

In 1995, a group of agencies in Florida teamed up to bring low-cost solar systems to low-income households so they could save money on their utility bills. [continue reading]

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Hot Water Improvements Top Warm Climate Weatherization Measures

archive CONTENT
September 01, 1998

Reducing hot water costs is the most cost-effective way to save money for low-income housing in warm climates. This is one conclusion that can be drawn from a new study on the cost-effectiveness of energy-saving measures for low-income housing in warm climates. [continue reading]

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Water Saving Gadgets Make a Splash

archive CONTENT
July 01, 1998

The National Plumbing Standards passed by Congress in 1992 as part of the Energy Policy Act marked a turning point for U.S. manufacturers of toilets, faucets, and showerheads. [continue reading]

ASHRAE Awards More Than $118,000 to Fund 26 Undergraduate Projects in Eight Countries

Allen Haynes

ASHRAE Awards More Than $118,000 to Fund 26 Undergraduate Projects in Eight Countries

ASHRAE announced today its 2017 Undergraduate Program Equipment Grants – which encompasses a group of 26 undergraduate projects led by students from ...

The Extraordinary Growth of Solar in the US Visualized

Kumar Dhuvur

The Extraordinary Growth of Solar in the US Visualized

Residential solar installations have grown rapidly as solar costs have plummeted over 80% over the last 10 years. Ever wondered where all ...

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