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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Hot Water

Building Water Efficiency Into Green Homes

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May 28, 2007

How much is 25 million gallons of water?  Enough to fill 200 million 16-oz bottles.  Enough bottles to keep you busy for the next 60 years, if you decide to count them down in “99 bottles ... [continue reading]


Understanding Solar-Thermal Systems

March 19, 2007

Why should homeowners invest in a solar-thermal system? It’s all about economics. With rising energy prices, many homeowners are now thinking of adding a solar component to their home, but they may feel ... [continue reading]


One or Two Tanks?

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September 11, 2006

        Q. Is it cheaper for a homeowner to run one 100-gallon gas hot water tank or two 50-gallon tanks? There are six heavy water users in our household. How ... [continue reading]


Reliable, Efficient Heat Pump Water Heaters

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November 01, 2005

About 10% of California residents use conventional electric water heating—a technology that’s expensive to operate and contributes to peak demand. Heat pump water heaters (HPWHs) are an efficient alternative, consuming less than ... [continue reading]


Hidden Costs: Wasted Water

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September 01, 2005

Saving water can have a huge impact on the expense of operating multifamily buildings - especially when the water bills and the heating and hot water bills are in the same ballpark. [continue reading]


Tankless Option Improving

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July 01, 2005

If cost and installation barriers can be overcome, tankless water heaters will likely replace the storage water heater that for over 50 years has been a part of American culture. [continue reading]


Soft Water, Strong Odor

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May 01, 2005

        Q. I have a gas-fueled direct-vent hot water tank. It has been in service since September 2003. I have a water softener as well.We get our water from a ... [continue reading]


In Hot Water

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May 01, 2005

        If you happened to be in the Monterey Peninsula Airport in Monterey, California, between December 2004 and May 2005, you were treated to a very interesting display of water heaters, both ... [continue reading]

DOE's Race to Zero 2017  Registration is Open!

Stacy Hunt

DOE's Race to Zero 2017 Registration is Open!

The next U.S. Department of Energy Race to Zero Student Design Competition (Race to Zero) will be held April 22...

CLEAResult and NREL JUMP Into Residential Energy Efficiency

CLEAResult staff

CLEAResult and NREL JUMP Into Residential Energy Efficiency

Crowdsourcing. It’s a great way to gather input and enlist the minds of many to do good. With ...

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