How to install the HVAC filters?
- Open the designated HVAC vent (Ceiling / Wall Unit and Central Unit).
- Remove plastic wrap from the new filter. Avoid cutting or removing the cardboard framing.
- With the arrow on the frame pointing towards the fan motor, insert the filter into the corresponding opening in your home's furnace or air conditioning system.
- Lastly, close the HVAC vent (Ceiling / Wall Unit and Central Unit).