At a Green Builders meeting a year or so ago the following stats were relayed:
Most newer homes lose up to 10% of the heat in the duct work.
Homes 15 years and older lose about 40% in the duct work.
THAT got my attention. And energy prices are expected to increase by 50% in the next 7 years.
Now. while it is cooling down but before it gets too cold, is the perfect time to make sure the seals to the heat registers are secure, the ducts are sealed and the returns are sealed.
One inspector told me he has noticed a higher incidence of mice chewing holes in flexible ductwork than in the past. Here in the south where crawlspaces are common, it pays to check your duct work for holes every couple of years.
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