
Spotlight Article:
HVAC to Whole-House Performance Contractor?
Guidelines and best practices for making the profitable transition into whole-house work.
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Carbon Monoxide Around the House: Comparing Ambient CO Monitors
premium CONTENT
Carbon monoxide (CO) is really nasty stuff. It’s odorless, colorless, and neutrally buoyant, and it can make you stupid before it kills you. It’s not the kind of stuff you want ... [continue reading]

Indoor Environmental Quality Daydreams and Nightmares
free CONTENT
Building performance renovation contractors and Weatherization Assistance program workers daydream of making homes healthy, comfortable, energy efficient, and durable. But sometimes when they are in the middle of a project, they find their dreams have ... [continue reading]

Combustible-Gas Leak Detectors
premium CONTENT
You may have heard of houses and neighborhoods exploding due to gas leaks in old pipes under the streets. Inside the home, detecting combustible-gas leaks is an important part of combustion safety testing. Gas connections ... [continue reading]

Air-Conditioning Best Practices
premium CONTENT
Recent studies of charge and airflow revealed that as many as eight out of ten A/C systems have incorrect airflow, and seven out of ten systems have incorrect charge. Potential savings from correcting these deficiencies are substantial. [continue reading]

The SCARY Crawl Space
free CONTENT
BPI CE
We build crawl spaces because they are cheaper than basements. But controlling moisture can be a challenge, depending on the climate zone. [continue reading]

Combustion Appliance Testing: Why, How, When?
free CONTENT
BPI CE
Combustion appliance testing, before and after weatherizing a home, is an absolute necessity to protect homeowners from the effects of CO gas and other combustion products. Learn the BPI test procedures. [continue reading]



Brittney Sheffield
How Third-Party Utility Providers Work
Many people know that there are ways to save on your utility services, however there are plenty of people who ...


Neil Grigsby
Northwest Energy Star Super-Efficient Homes—#6: The Pumpkin Ridge Passive House
The Pumpkin Ridge Passive House is one of six super energy-efficient homes being highlighted this year by Northwest Energy Homes&...




























