It is recommended to change the filter on a regular basis to improve the air flow and breathe cleaner air.  It also contributes to the good maintenance of your AC unit.  The most common frequency is to change the AC filter every month.
You may use a tape measure determine the inside length and width of the air filter slot on the air handler or grille.
IDG Custom Filters provides a fast readiness time either for delivery or pick up at our facility.  3 to 5 days is our lead time.


Accumulated dirt can block or clog the HVAC coils.  Or the coils can freeze due to lack of air-flow