How to Quiet a Noisy Forced-Air System | This Old House

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey makes peace with a raucous heating duct. (See below for a shopping list and tools.)
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Shopping List for How to Quiet a Noisy Forced-Air System:
- bypass damper
- 7-inch start collars
- _-inch sheetmetal screws
- foil duct tape, used to seal seams in ductwork

Tools for How to Quiet a Noisy Forced-Air System:
- drill/driver
- circle-cutting jig, used to cut round hole in metal ducts

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How to Quiet a Noisy Forced-Air System | This Old House
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