Many homeowners choose to work with contractor for duct improvement projects.
Inspect the whole duct system, including attic and crawlspaces..
Evaluate the system's supply and return air balance.
Repair damaged and disconnected ducts and straighten out flexible ducts that are tangled or crushed..
Seal all leaks and connections with mastic, metal tape, or aerosol-based sealant..
Seal all registers and grills to the ducts..
Insulate ducts in unconditioned areas with duct insulation that carries R-value of 6 or higher..
Include filter as part of any duct system improvement.
The contractor should evaluate air flow after repairs are completed..
Ensure there is no back drafting of gas or oil-burning appliances, and conduct safety test after ducts are sealed...
Read more
Related items:
