Pull the old filter out and discard it.

Correct way to install furnace filter. Use the sharpie marker to mark the airflow direction on a metal panel. Next, unhook the grille cover and clean its. Before installing your new filter, locate the arrow that indicates airflow.

This is done so that air can flow more easily through the filter to minimize the drop in airflow that the filter might create. Stand in front of the furnace and look for the ducts. The way i understand it is this:

Remove grille on your return or open the panel of your furnace. It’s easy, you just have to know the process and you’ll have it in no time. If there’s any resistance as you pull, check to make sure that there is a locking mechanism holding it in place.

Exact filter locations vary by unit, but you can use the following as a general guide for locating your filter:. Ideally, you’d indicate the airflow direction and air. Start by turning off the hvac system, then removing the new filter from its packaging.

Determine where on the furnace you can find the filter air box. What happens if a furnace filter faces the wrong direction?. When you turn on your furnace (indoor or outdoor), the air passes through a filter unit.

Remove the old, dirty filter. Before installing your new air filter, look for the “airflow” arrow along the side of the. The heating duct will begin near or at the top of the.