
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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Home, Home on the Range Hood
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Exhausting heat and moisture in the summer can keep a house cooler and reduce air conditioning costs. And running a fan whenever someone is cooking will eliminate most water vapor, grease, and combustion products from the kitchen. [continue reading]

Thermostats That Feel the Heat
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Most American thermostats measure only air temperature. But there are numerous other elements that affect thermal comfort, and some of these can be used to turn HVAC equipment on and off. [continue reading]

Improving Ducts in Southern California
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When Robert Johnson, director of community development for the Southern California city of Irvine, attended an HVAC conference in 1995, he was appalled to discover how poorly designed and poorly installed many residential duct systems were. [continue reading]

Sick Houses: Using Diagnostic Tools to Improve Indoor Air Quality
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"Sick building syndrome" is caused by everything from dangerous molds to meteorological occurrences. Improving the indoor air quality of these buildings calls for careful diagnostics and even more careful removal of and repairs to problem areas. [continue reading]

THE CASE OF THE CO LEAK: Solving the Mysteries of Carbon Monoxide Exposures
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A colorless, odorless, flavorless, nonirritating gas, carbon monoxide (CO) causes more poisoning deaths today than any other substance. [continue reading]

Ventilation Facts and Fallacies in Manufactured Homes
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Window inlet vents are an alternate way to provide fresh air using an exhaust fan. When the fan is on, it slightly depressurizes the house, causing makeup air to enter through the window vents with minimal heat loss. [continue reading]



Scott Donnelly
GreenExpo365 Host
Keeping a home cool in the summer yet warm in the winter is a tough request. The choice of quantity ...


Doug Garrett
Code Conflict Between 2012 IRC and 2012 IECC
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...
























