Sentences with phrase «uncontrolled air infiltration»
Last but not least, it costs less to operate because there is virtually no heat loss (or heat gain in the summer) due to uncontrolled air infiltration.
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Leaky supply ducts located in attics or vented crawlspaces lead to the uncontrolled depressurization of the conditioned space, leading to excessive infiltration of cold air during heating periods, increasing heating loads and potentially supplying sufficient interior moisture to attic and roof assemblies to create roof sheathing moisture and decay problems.