
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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New Development in Air Flow Measurements
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Tracer gases have been used for many years for air flow testing in buildings. However, the expense and complexity of analysis equipment, and the difficulty of analyzing results, have restricted this kind of testing to ... [continue reading]

The Cool Solution
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Fresno's Housing Authority keeps energy expenditures low and economic savings high with its new evaporative coolers. [continue reading]

Introducing Fresh Air
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Q. I am trying to find out how much fresh air is required to be introduced to an apartment by means of a forced-air furnace. I understand that the manufacturer ... [continue reading]

Make Room for the Caddy
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Since homes continue to be built with attached garages - with no change in sight - builders and contractors need to understand how to minimize the risk of CO poisoning. [continue reading]

Thinking Ahead to a Humid Summer
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Q. I recently read that a variable speed, two stage air conditioner can maintain 50% relative humidity (RH) even when the latent load is 60% of the total load.Would this really work? &... [continue reading]

Ventilating Ontario
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Since 1990, mechanical ventilation systems have been mandated in the National Building Code of Canada (NBCC), as new Canadian houses are generally too tight to rely on incidental air leakage ... [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 ...



























