Ventilation in the 2019 California Energy Code

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Ventilation in the 2019 California Energy Code

It is not unusual for California to be first and unique. Just one year after the 1973 oil embargo exposed this country’s reliance on foreign oil, California was the first state to implement a ...

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Duct Improvement in the Northwest Part II: Mobile Homes

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January 01, 1996

Although the thermal shell of the typical mobile home has changed radically over the last 30 years, the air distribution system has not. The walls have gone from 2 x 2 framing with an R-4 fiberglass batt to 2 x 4 or 2 x 6 walls with a high-density R-21 batt (codes vary from state to state). [continue reading]

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Drawbacks Of Powered Attic Ventilators

Author: Ted Rieger
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November 01, 1995

Powered attic ventilators, already suspected of using more energy than they save, can also create excess moisture, structural problems, discomfort, and combustion safety problems for home occupants, according to a recent study. [continue reading]

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Researchers Approach Builders on Duct Location

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November 01, 1995

It is common practice in California to put ducts outside the conditioned space, in attics and crawlspaces. These duct systems are typically 50%-70% efficient due mostly to air leakage and heat transfer losses, while sealed conditioned-space duct installations have efficiencies over 90%. O [continue reading]

Using Residential Solar Panels to Power Electric Cars

Rob Appelhof

Using Residential Solar Panels to Power Electric Cars

People are buying more electric cars than ever. According to the newsletter ARS Technica, in 2018 – the most-recent full year ...

EERE Success Story  Reducing the Energy Burden for Elderly and Homes that Previously Could Not Receive Weatherization Services

DOE's Office of Energy Efficiency and Renewable Energy

EERE Success Story Reducing the Energy Burden for Elderly and Homes that Previously Could Not Receive Weatherization Services

Minnesota's Weatherization Assistance Program (WAP) has made strides in reducing the energy burden and providing a healthier home environment for ...

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