As a general rule of thumb, air ducts should be cleaned every three to five years. However, there are issues that may require immediate attention. "If you suspect mold, vermin, or excess dust and ...

The Residential Building Code calls for R-8 insulation for these ducts, but check with your building inspector for local code ...

It can also be inside the register boots, and some old, sub-floor duct is even made out of a mixture of asbestos and cement called transite. “What we do, we’re sending high pressure air through the ...

which provides residential and commercial restoration services, including mold remediation. Duncanson says there are some signs that mold is growing in your air ducts, including: “Musty Odor: When ...

I have forced hot air (oil) with 11 grates. What would you suggest? S.W. A. You should have the ducts cleaned as part of the regular system checkup. Dust and dirt will build up in the system even ...

cleaning your air ducts might be the answer—but is it really necessary, or is it a maintenance expense you can skip? Although regular maintenance can help reduce the wear and tear on your system ...