David A. Jump

Researchers Approach Builders on Duct Location

Author: David A. Jump

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November 01, 1995

It is common practice in California to put ducts outside the conditioned space, in attics and crawlspaces. These duct systems are typically 50%-70% efficient due mostly to air leakage and heat transfer losses, while sealed conditioned-space duct installations have efficiencies over 90%. O [continue reading]