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For HVAC Contractors, Home Performance Delivers a Year-Round Blast
free CONTENT
Last December’s weather was no more extreme than the norm in Tulsa, Oklahoma, where temperatures can swing from above 100°F in summer to below zero in winter. Yet for Air Solutions Heating &... [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]

Battle of the Walls: Peak Reduction
free CONTENT
BPI CE
Three homes, with different wall systems but otherwise nearly identical, test the theory that night cooling cuts peak energy use in the Southwest United States. [continue reading]

Tree Shading
premium CONTENT
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]

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

Do CFLs Save Whole-House Energy?
premium CONTENT
If CFLs decrease cooling loads compared to incandescents, but increase heating loads, do they save energy overall? [continue reading]

Thermostat Setbacks - Do They Really Work?
free CONTENT
BPI CE
During the heating and cooling seasons of 2002–2003, the Canadian Centre for Housing Technology (CCHT) ran a series of trials to determine actual energy savings from thermostat setback and setforward. [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 ...





























