You can also refer to your HVAC manual for exact filter locations and installation instructions if available. The airflow arrow should point towards the furnace/blower motor to collect harmful particles before it reaches the furnace’s equipment. Be prepared with a new filter and possibly a permanent marker to note the date of replacement. Locate the service panel on your furnace and remove it to access the filter compartment. In addition to clean air, filters also protect your HVAC system from debris and dirt buildup. Before replacing the filter, ensure that your furnace system is turned off to avoid any safety hazards. Position the airflow arrow so that it points in the direction the air is flowing. If the old air filter has already been removed or it is the first time you are installing a filter in the system, use these tips as a guide. It carries a lifetime warranty and only requires rinsing every one to three months to clean. There is often an arrow on the duct itself showing you which direction the arrow should point. It is designed to capture large particles of three to 10 microns such as dust, pollen, and mold. The arrow direction on the new filter should point toward the furnace. The easiest method in determining which way the airflow arrow should point is to refer to the pre-existing filter before removing it and installing the new one in the same manner. The Air-Care Permanent Electrostatic Air Filter is a popular option for a low-maintenance, long-lasting furnace filter. An air filter installed incorrectly can obstruct airflow, increase strain on HVAC equipment, and cost you extra. If your filter is on the ceiling, the arrow should face the ceiling. Make the arrows face the ceiling or wall. Assuming your unit is outside or in your attic, you want the arrow to face the unit. Air Filter How to install an air filter in your home the correct way.ĭetermining which way the airflow arrow points can be one of the biggest challenges when installing your air filter. It means the arrow faces the unit, or in other words, facing inside the space you’re putting it into.

Air flow direction furnace filter