Filter driers are designed to remove foreign materials from refrigeration or air conditioning systems. They are notorious for becoming restricted due to moisture, sludge, dirt, or oil that has entered ...

To do so, pop your AC filter out and hold it up to the light. If you can't see through the filter, then it's time for a new one. Below, find step-by-step instructions on how to change out your filter.

In last month’s article, “Inside Filter Driers,” which appeared on Page 18 of the Feb. 6 issue of The NEWS, we covered the internal construction, filtering, and drying materials within a refrigerant ...