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Replace HVAC Filters

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15 Tips To Help Cool Your House This Summer + Lower Energy Cost

What happens here

Regularly replace your HVAC system's air filters. Dirty filters restrict airflow, making your furnace and air conditioning unit work harder and less efficiently, especially during the summer months when the AC is in high demand. Filters with a thickness of 1-2 inches should be replaced every 1-3 months, while 3-4 inch filters can last 6-9 months. The filter will have an arrow indicating the direction of airflow; ensure it's pointing towards the furnace/AC unit when installing. Filters are typically located in wall/ceiling grates inside the house or in the central furnace unit, often in the garage or attic.

Goal: Improve HVAC efficiency and air quality by replacing old filters

Tools and materials

  • Ladder — Reaching ceiling-mounted filter grates
  • HVAC Air Filter — Filtering air to maintain HVAC efficiency and air quality