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Reliable, Efficient Heat Pump Water Heaters
free CONTENT
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
free CONTENT
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
free CONTENT
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
free CONTENT
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
free CONTENT
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]

Which Toilets Deliver?
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A new testing procedure gives researchers a valuable tool to evaluate the effectiveness of low-flow toilets. [continue reading]



Doug Garrett
Code Conflict Between 2012 IRC and 2012 IECC
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...


Doug Garrett
Home Performance and HVAC Contractors: Recent Legislative Initiative In Texas
As energy auditors and raters went about their business of testing homes, performing energy audits and HVAC system inspections, they ...




























