To take care of your furnace, you should change its filter on a regular basis. To do this, you can hire a furnace maintenance specialist, or if you prefer, you can change the furnace filter yourself. Keep in mind that there are several filters for you to choose from. High-Efficiency Pleated If you’re looking for a top-of-the-line filter, then the high-efficiency pleated furnace filter is what you need. It’s made from four to five inches of pleated cotton that’s connected to a rigid metal grid, […]