Leaky ducts can waste a significant amount of cool air, reducing the efficiency of your air conditioner. Inspect your ductwork for leaks and seal them with duct tape or mastic. A professional can also perform a thorough inspection and repair. 2. Optimal Temperature Setting and Thermostat Placement...
If the duct is leaky, it could be pulling in dirt, dust, mold and possibly radon from outside. Sealing the ductwork allows the duct to only suck from air that's already in the house. To seal the ductwork in a lower space without air conditioning, you can use a mastic sealant. ...
Mastic Tapes -Self-Bonding -High moisture sealing -Excellent conformability -Superior adhesion to metals -Builds up insulation quickly -Excellent thermal stability -Can be used as primary insulation ST2210 Series Vinyl Mastic Tape StrongHold ST2210 Series Vinyl Mastic Tape is a self-bonding mastic com...
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Focus first on sealing ducts that run through the attic, crawlspace, unheated basement, or garage. Use duct sealant (mastic) or metal-backed (foil) tape to seal the seams and connections of ducts. After sealing the ducts in those spaces, wrap them in insulation to keep them from getting ...