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Single-Family Home Retrofit Basics
free CONTENT
BPI CE
There are a number of ways to make older single-family homes more energy efficient and more healthy, that is, more green. [continue reading]

Advancing Home Performance House By House
premium CONTENT
A small home performance company is growing by leaps and bounds by providing something of value to all it's customers - including an education in home performance. [continue reading]

The Smart Sell
premium CONTENT
Using the right approach to energy efficiency upgrades can mean the difference between success and failure for a home performance contractor. [continue reading]

Contractors Aggregate Carbon Credits
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Contractors accredited by the Building Performance Institute (BPI) offer utilities and state conservation programs huge opportunities to verify savings not only in energy usage in existing homes, but also in greenhouse gas (GHG) emissions. That&... [continue reading]

Moving from Energy Efficiency to Carbon Footprint
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I have been in the energy efficiency and renewable energy business for almost 30 years, and I am seeing more rapid change now in this industry than ever before. More and more people understand that energy ... [continue reading]

Moving Toward Carbon Neutrality
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In July 2007, Affordable Comfort, Incorporated, (ACI) convened a summit in San Francisco, which was called “Moving Existing Homes Toward Carbon Neutrality.” The goal of the summit was to create and clarify a vision ... [continue reading]

Germany's Efficient Homes
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German energy agency, dena's, Efficient Homes project is tapping into substantial energy savings through the retrofits of existing buildings. [continue reading]

Why Leave a Gap in Crawlspace Insulation?
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I read your article “Closed Crawlspaces Do Double Duty,” from the 2005 Special Issue (p. 32), with great interest. The crawlspace in our new home is built over a 4-inch cement floor over plastic ... [continue reading]



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 ...


Cortney Krauss
U.S. DOE's HPwES Program Releases Draft Sponsor Guide for Public Comment
The U.S. Department of Energy (DOE)’s national Home Performance with ENERGY STAR Program (HPwES) released the draft&...




























