Ducts
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Fixing Problem Ductwork
Four common reasons ducts fail to perform optimally and solutions for repairing them
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6 Ways to Improve Ducts in an Unconditioned Attic
If you can't get ducts out of an unconditioned attic, you can make the efficiency liability smaller
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Ducts in an Unconditioned Attic
The best place for ductwork is inside the thermal boundary of the house, not in an unconditioned, vented attic
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Designing Return Filter Grille Boxes
The key is having enough space to minimize pressure drop
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Attaching Ducts to a Heat-Pump Water Heater
If you install this type of water heater in a small room, you’ll need to provide ductwork
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Battling Condensation on Attic Ducts
Why are return ducts in a Florida attic showing so much condensation?