How to Reduce HVAC Duct System Resistance

Maxwell Payne

Proper air flow is important for proper functioning of HVAC heating and cooling systems. Dirty filters and kinked ductwork are two causes of resistance in duct systems. Resistance can cause reduced airflow, which forces the system to run longer and harder to maintain the proper temperature.

Remove the access compartment panel cover on the lower section of the HVAC main unit. Look for the air filter, a rectangle shaped thin box generally slid into one side of the compartment.

Remove the filter and replace with a new, clean filter. Be sure the arrows on the new filter are facing the direction of the air flow.

Inspect the flex tubing duct work in your basement. Look for extreme bends and angles where the tubing is kinked.

Move the tubing slightly to loosen the kinks. If possible, adjust the tubing so that it has minimal bends and turns in it.

If installing new flex duct tubing, make sure there are few turns in the length of the tubing.

Use duct tape to seal up small tears or connections between two pieces of ductwork to reduce air leakage.

http://energyvortex.com/files/Airflow_is_Critical.pdf

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Published by Maxwell Payne

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