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Modern Evaporative Coolers
free CONTENT
Not all evaporative coolers are created equal. Modern machines operate more efficiently and with much less fuss than the old swamp coolers did. [continue reading]

Kicking the Air Conditioner Habit
free CONTENT
Ventilation cooling in a well-designed home can make air conditioning obsolete. [continue reading]

Conditioning the A/C Technician
free CONTENT
A relatively new A/C training system aims to turn A/C technicians into expert diagnosticians. [continue reading]

Fast Checks for Refrigerant Charge?
free CONTENT
For A/C technicians, new options exist for testing refrigerant charge levels. [continue reading]

Flow Control Gains in Accuracy
free CONTENT
A new flow meter is easier to use than a Duct Blaster, and more accurate than the temperature rise method. [continue reading]

Weatherization Test Drives Spray Sealant
free CONTENT
New aerosol spray technology can allow weatherization crews to seal even tiny duct leaks in places that are difficult to reach using conventional methods. [continue reading]

Refreshing Evaporative Coolers
free CONTENT
California’s energy woes have focused new attention on energy-saving technologies long considered underutilized. High on the list is evaporative cooling,which lowers the temperature of air by ... [continue reading]

Roofs Reflect Better Savings
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Reflective roofing represents one of the most significant energy-saving options available to homeowners and builders. [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 ...






























