furnace filter air flow resistance

However this also means that the filter is slightly more restrictive and the airflow rate through the filter is lower. The refrigerant flow control device could be thermostatic expansion valve or simply a capillary tube.

Home Energy Magazine Is There A Downside To High Merv Filters

An air filters pressure drop is the measurement of resistance to air that passes through the filter.

. The more tightly woven or thick a filters media is the more particles and contaminates the filter can trap. Filter driers are devices used in a HVAC system that are a combination of filter and dryer or drier. This often coincides with a higher MERV rating.

A filter is used to remove any particle such as dirt metal or chips from entering the refrigerant flow control.

Learn About What Does Merv Rating Mean United Filter