Seeing the Possibilities with the Water-Energy Nexus

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Seeing the Possibilities with the Water-Energy Nexus

As building performance professionals, we see the world differently than most people. We see the interconnections between west-facing glass and occupant comfort, hidden airflow and insulation performance. Thanks to that ability to see things differently, ...

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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?

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

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

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

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

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]

Our Blog Has Moved

Building Performance Journal Editors

Our Blog Has Moved

Thanks for your interest in contributing a blog to the Building Performance Journal (formerly Home Energy magazine). We’re ...

Is Energy Efficiency an American Value?

Jim Gunshinan

Is Energy Efficiency an American Value?

Energy efficiency is good for the economy, good for families, good for workers, and good for the environment.

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