Call Carew Heating and Cooling for reliable AC replacement in Watertown WI.
Trane AC service in Oconomowoc WI is our speciality.
Trane AC service in Oconomowoc WI is our speciality.
(920) 262-2288
1104 S. 10th St.
Watertown, WI 53094
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air conditioner repair service in the Lake Mills WI area

Use a Professional for Duct Improvements

Work with a Professional Contractor for Duct Improvement Projects

Many homeowners choose to work with a professional contractor for duct improvement projects. Most heating and cooling equipment contractors also repair ductwork. Look for a contractor that will:

  • Inspect the whole duct system, including attic and crawlspaces.
  • Evaluate the system's supply and return air balance. Many systems have air return ducts that are too small.
  • 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 an aerosol-based sealant.
  • Seal all registers and grills tightly to the ducts.
  • Insulate ducts in unconditioned areas (like attics, crawlspaces, and garages) with duct insulation that carries an R-value of 6 or higher.
  • Include a new 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 a combustion safety test after ducts are sealed.

Energy Star - U.S. Environmental Protection Agency - U.S. Department of Energy

1104 S. 10th St. • Watertown • WI • 53094 • (920) 262-2288