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Thermal Comfort

Properly sealed and insulated supply ducts keep the warm air warm and the cool air cool, delivering it to every room throughout your home at the right temperature and humidity level.

Air ducts often pass through areas like basements and attics where the air has not been conditioned. In the first illustration, we see how uninsulated sheet metal ducts can lose heat while passing through unconditioned spaces, especially if they are not sealed properly. The result is inconsistent temperatures from one room to another. In the summer, ducts can lose cooled air in the same way.

JM duct boards and insulation provide the correct R-values to maintain temperatures and keep every room consistently comfortable.