Vermiculite Attic Insulation, or What's in Your Attic?

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Vermiculite Attic Insulation, or What's in Your Attic?

Oh, the irony. Zonolite Attic Insulation (ZAI), was once marketed as a perfectly safe, inexpensive, do-it-yourself attic insulation for home improvement projects. Today, the presence of ZAI represents an expensive professional abatement job for a ...

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Roof & Attic
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A Plan to Stop Fluffing and Cheating in Attic Insulation

Author: Nan Wishner
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May 01, 1996

In the mid-1980s, a Georgia utility became concerned about the large number of attic insulation jobs being done for its energy-efficient home construction program that failed to meet the program's standards. [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]

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Assessing The Integrity Of Electrical Wiring

Author: Larry Kinney
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September 01, 1995

Dense-pack cellulose insulation is a very useful and cost-effective technique for lowering both conductive and convective heat losses in a variety of housing types. [continue reading]

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Beauty and the Beast Upstairs

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March 01, 1995

The same features that are often added to the top story of homes to give them distinctive architectural beauty can also make them rather beastly to heat or retrofit. [continue reading]

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Ventilating Attics to Minimize Icings at Eaves

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March 01, 1995

Icicles and ice dams form at the eaves of some roofs in cold regions. Water that ponds behind ice dams may leak into the building since most steep roofs are configured to shed water, not hold back standing water. [continue reading]

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Saving Energy with Reflective Roof Coatings

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May 01, 1994

Architects have traditionally used light surface colors to cool off buildings in hot climates, but until recently there was little research on the measured cooling-energy savings of reflective roofs. [continue reading]

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Sizing Up Skylights

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November 01, 1993

Skylights, like windows, are distinctive features of homes that greatly influence their aesthetics. [continue reading]

New Zero-Energy Homes Almost to Cost Parity, While Codes & Incentives Help Cross the Finish Line óBy RMI's Alisa Petersen

Rebecca Cole

New Zero-Energy Homes Almost to Cost Parity, While Codes & Incentives Help Cross the Finish Line óBy RMI's Alisa Petersen

If you had a choice between building new homes that meet basic standards and building comfortable, healthy homes that dramatically ...

Top US Cities Considered the Most Energy Efficient

Sandra Wood

Top US Cities Considered the Most Energy Efficient

Many people recognize the need for increased efforts to reduce energy consumption and make communities cleaner. As cities strive to ...

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