Energy auditor Rob Gawreletz conducts the blower test to reveal how often the air exchanges occur in a home - this 55-year-old bungalow is getting 3.87 air exchanges per hour, a little higher than average and much higher than the preferred rate of one exc

Photo David Dodge, Green Energy Futures

Home Audit by CReturns, Edmonton, Alberta

www.greenenergyfutures.ca/episode/62-massive-potential-en...

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