Installing an air filter in your home is a simple yet important task that can help keep your air clean and your HVAC system running efficiently. Fortunately, most air filters are designed to not fit properly unless they are inserted correctly. Look for the airflow arrows printed on the side of the air cleaner that indicate in which direction the filter should be inserted. HVAC air filters come in different sizes; they can be 12 to 24 inches (30.48 to 60.96 cm) wide and 12 to 36 inches (30.48 to 91.44 cm) long. When you place the air filter in the wrong direction, it cannot capture dust and air particles, and they will remain floating in the air.
To ensure that you install the filter correctly, remember that the arrow should always point towards the oven heating compartment. Both sides of the air cleaner look the same, but that doesn't mean you can use them interchangeably. If your air cleaner does not have an airflow arrow, make sure that the wire mesh faces the blower of your HVAC system, as this is the last surface that touches the air. Changing the air filters in your home is a simple task that should not be overlooked. An improperly installed air filter can obstruct airflow, increase strain on HVAC equipment, and cost you more money.
This means that you want the spent air that is sucked in to flow through the air cleaner before being blown back to your home. If you're not sure when to change the filter, invest in an electronic air cleaner monitor that will tell you when it's time to change it. This way, you can ensure that your HVAC system is running efficiently and your home is filled with clean air.