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# Steps to Install an Air Filter

Published in HVAC Maintenance 3 mins read

How do you install an air filter?

Installing an air filter is a simple process that ensures your HVAC system runs efficiently and the air in your home stays clean.

Steps to Install an Air Filter

Replacing your air filter is a common maintenance task. Based on typical installation procedures, including the information provided, here are the key steps:

  1. Locate the Old Filter: Your old air filter is typically found where the air return duct meets the unit (like a furnace or air handler). This is the spot where air is drawn into the system. As stated in the reference, "Your old filter will be there right where the air return duct meets the unit".
  2. Remove the Old Filter: Once located, simply remove the old filter from its slot or housing. The reference mentions, "remove. That now".
  3. Check the Airflow Direction: This is a crucial step. Every new air filter has an arrow on the side indicating the direction of airflow. This arrow must point towards the HVAC unit (where the air is going). The reference emphasizes, "check that airflow arrow on the side of your new filter".
  4. Place the New Filter: Slide the new filter into the slot or housing, ensuring the airflow arrow points correctly towards the furnace or air handler. The reference instructs, "Place the new filter in your unit".

Quick Summary Table:

Step Action Important Note
1. Find Old Filter Locate where the air return duct meets the HVAC unit. Usually near the furnace or air handler.
2. Remove Old Filter Pull the old filter out of its slot. Dispose of the old filter properly.
3. Check New Filter Look for the airflow arrow on the side of the new filter. Crucial: Must point towards the HVAC unit.
4. Install New Filter Slide the new filter into the slot, arrow pointing towards the unit. Ensure it fits snugly without bending.

Replacing your filter regularly according to the manufacturer's recommendations (usually every 1-3 months, but check your filter or system manual) is essential for maintaining air quality and system performance.

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