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Q. A customer with insulated-glass windows has a problem with excessive condensation on the interior of the windows. Can you please list the most important causes of high humidity in a home? A. Energy and sustainable
Q: When people refer to the dewpoint in a wall assembly, are they talking about a location or a temperature? How is the dewpoint calculated?
Q: A customer asked me how to compare the cost of different heating fuels (natural gas, propane, oil, and electricity). Can you provide a chart with this information?
Q: In a heating climate (central New York), I would like to know how to determine whether adding more insulation results in diminishing returns in terms of energy savings. Is there any reason to include more than R-50 insulation in an attic, assuming the
Q: I have been called to solve an air-quality problem at a house with air-lock entries. The house has hydronic heat. The vestibules have no mechanical ventilation, and the air quality is poor. What type of ventilation do you suggest for these very small rooms?
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