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 ...

Multifamily Research Gets in Hot Water

Author: Tom Sahagian and Norine Karins

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July 01, 1997

Many plumbing and heating designers have considered the tankless coil heating system to be the least efficient method of heating domestic hot water (DHW) in a multifamily building. [continue reading]

The technology to increase energy savings and improve the performance of domestic hot water (DHW) heating systems has been around for years. The problem is that few people know what's out there and even fewer are getting to use it. [continue reading]

Air-to-Water Heat Pumps for the Home

Author: Steven Bodzin

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July 01, 1997

Over a third of America's domestic hot water is heated by electric resistance elements. For many residences, electric resistance is a more expensive method of water-heating than fossil fuels or solar, but there are buildings where these latter alternatives aren't feasible. [continue reading]

Dampers, Reclaimers, and Pumps--Oh My!

Author: Doug Johnson and Edward Wyatt

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July 01, 1997

Next to space conditioning, water heating is the largest energy user in most homes. However, opportunities for savings aren't always obvious. [continue reading]

Take It Outside: Water Heaters Get Fired Up

Author: Ted Rieger

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November 01, 1996

In much of the United States, converting electric water heaters to gas can reduce household energy costs. However, many properties-particularly multifamily homes-have space limitations or venting problems that make such a retrofit impossible. [continue reading]

Try These On for Size: New Guidelines for Multifamily Water Heating

Author: Fredric S. Goldner

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July 01, 1996

Energy professionals have long been frustrated by the lack of reliable data for sizing domestic hot water (DHW) equipment in multifamily buildings. [continue reading]

Water Heaters and Energy Conservation- Choices, Choices!

Author: Larry and Suzanne Weingarten

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May 01, 1996

The most useful answers can be given if the questions tie into the broader context of getting the most from the whole water-heating system. [continue reading]

Remodeling Bathrooms Let the Energy Savings Flow

Author: David Johnston

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November 01, 1995

People remodel more than 5 million bathrooms every year in the United States. Sometimes this just means replacing lighting and plumbing fixtures. More extensive remodels involve building an addition or gutting and redesigning an existing bathroom. [continue reading]