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2. No, You Don't Need to Clean Your Air Ducts Every Year ... - AOL

   www.aol.com/no-dont-clean-air-ducts-110500245.html

   "An inspection can help determine if air ducts need cleaning by checking for visible dust buildup, mold growth, or signs of pest infestations, offering a clear indication of when professional ...

3. Ductwork airtightness - Wikipedia

   en.wikipedia.org/wiki/Ductwork_airtightness

   There are two major systems to classify ductwork airtightness, one based on European standards, the other based on ASHRAE standard 90.1-2010.Both are based on the leakage airflow rate at a given ductwork pressure divided by the product of the ductwork surface area and the same ductwork pressure raised to the power 0.65.

4. Duct leakage testing - Wikipedia

   en.wikipedia.org/wiki/Duct_leakage_testing

   Duct leakage test in the US. A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow.

5. Air Movement and Control Association - Wikipedia

   en.wikipedia.org/wiki/Air_Movement_and_Control...

   AMCA Publication 511 - Certified Ratings Program - Product Rating Manual for Air Control Devices describes the certification procedures under which the AMCA International Certified Ratings Seal is granted for sound, air performance, air leakage, water penetration and wind driven rain for air control products.

6. 6 ways to keep you air conditioner working during Ohio ... - AOL

   www.aol.com/6-ways-keep-air-conditioner...

   Filters have MERV ratings to indicate how effectively they capture airborne particles. ... Just like the air filter, vents and air return ducts can get clogged with dust, debris, pet dander, and ...

7. How To Prepare Your Home Ahead of Winter With 6 Items Under $20

   www.aol.com/finance/prepare-home-ahead-winter-6...

   Vernon Trollinger, web content editor and writer at Electricity Ratings, recommended looking at dryer air ducts and HVAC ducts. “Dryer ducts can clog with lint and refuse to close,” he said.