Do Electrostatic Air Filters Work? The Pros and Cons of Washable Furnace Filters Do Electrostatic Air Filters Work? The Pros and Cons of Washable Furnace Filters Air filters aren’t terribly costly on their own but can add up if you need to replace them frequently. Especially if you have a larger filter that has to filter out a bigger space. You could go through air filters left and right if you are keeping track of them. That’s where washable furnace filters […]