Weatherization and Indoor Air Quality

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Weatherization and Indoor Air Quality

Air sealing is one of the best ways to lower heating-and-cooling bills for many home weatherization programs, and especially so for the federal Weatherization Assistance Program (WAP). Most homes receive blower door-guided air sealing to ...

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Tree Shading

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January 08, 2010

The relationship between tree shading and summertime home energy consumption has long been a topic of interest, and has been the subject of many simulations and small-scale studies. A recent study, led by Geoffrey Donovan, ... [continue reading]

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Sizing Air Conditioners

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January 07, 2010

A mountain of data leads to an unusual conclusion - sometimes bigger is not so bad. [continue reading]

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Comfort to the Maxx

Author: Steve Mann
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January 07, 2010

In the September/October issue of Home Energy, which includes the Home Performance Contractor’s Business Development Guide, David Butler makes an important point about home performance contracting (p. 6): “The home performance industry ... [continue reading]

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Mold & Rot: Look Before You Leap When Weatherizing

Author: Mac Pierce
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January 06, 2010

Molds are an ancient life form. Neither plants nor animals, molds are members of the Kingdom of the Fungi. Familiar members of the fungal kingdom include molds, mushrooms, and yeasts. Fungi digest spent life, transforming ... [continue reading]

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Is There a Downside to High-MERV Filters?

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November 02, 2009

The new high-MERV filters extract an energy penalty. [continue reading]

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Current Status of Residential Cogeneration

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November 01, 2009

Almost all of our electricity is produced by large centralized power plants that supply power to the electric grid. Only one-third of the fuel energy supplied to these coal and natural gas power plants is ... [continue reading]

ASHRAE Awards More Than $118,000 to Fund 26 Undergraduate Projects in Eight Countries

Allen Haynes

ASHRAE Awards More Than $118,000 to Fund 26 Undergraduate Projects in Eight Countries

ASHRAE announced today its 2017 Undergraduate Program Equipment Grants – which encompasses a group of 26 undergraduate projects led by students from ...

The Extraordinary Growth of Solar in the US Visualized

Kumar Dhuvur

The Extraordinary Growth of Solar in the US Visualized

Residential solar installations have grown rapidly as solar costs have plummeted over 80% over the last 10 years. Ever wondered where all ...

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