Changing your HVAC filter (furnace filter, air filter, A/C filter, etc.) is one of the most critical things you can do in your home. It is also one of the easiest. 1. Locate/remove the vent cover. Some HVAC systems will place the filter in the intake. This will look like a large ventilation grate in a wall, ceiling, or floor. Some systems will have the filter inside the unit … [Read more...] about How to Change Your In-Home Furnace Air Filter?