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Index
FAQs
Reference
Fundamentals
Ground Water
(Open-Loop)
Systems
Environment
Equipment
Ground-Coupled
(Closed-Loop)
Systems
Special Considerations
Installations
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Supply- and Return-Side Leakage
In any kind of duct system, the joints between duct sections should be sealed
against leakage. If duct tape was used for this purpose, it often loses
adhesiveness after a few years. In such cases you can see it falling off the ducts
or you can easily pull it away. If your return ducts are insulated, you may see
accumulations of soot or other dark material on the insulation where it covers
loose duct joints.
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