While the provided references don't give a full step-by-step guide, here's a general outline of how to change your furnace filter, based on common practices:
Before You Start:
- Safety First: Turn off the furnace. You should be able to do this at the thermostat, or at a dedicated furnace switch.
- Know Your Filter Size: Check the existing filter for its dimensions (e.g., 16x25x1 inches). If you don't have the old filter, consult your furnace manual or measure the filter slot. Have the correct replacement filter ready.
Steps to Change the Filter:
- Locate the Filter: The filter is usually located in the blower compartment. This is often a slot on the side, bottom, or top of the furnace.
- Remove the Old Filter: There's typically a door or panel you need to open to access the filter. Slide the old filter out. Note the direction the arrow on the filter is pointing. This indicates the direction of airflow.
- Install the New Filter: Insert the new filter, making sure the arrow on the filter points in the same direction as the arrow on the old filter. Generally, the arrow should point towards the furnace blower. As the referenced video segment notes, make sure the arrow goes "this way."
- Close the Access Panel: Securely close the filter access panel.
- Turn the Furnace Back On: Turn the furnace back on at the thermostat or dedicated switch.
Important Considerations:
- Filter Direction: Always install the filter with the arrow pointing in the direction of airflow. The arrow indicates which side the dirty air enters the filter.
- Filter Type: Use the recommended filter type for your furnace. Higher MERV rated filters can restrict airflow if your system isn't designed for them.
- Filter Condition: Inspect the old filter. Excessive dirt and grime, as mentioned in the reference, means you should change your filter more frequently.
Frequency of Filter Changes:
- This depends on factors like pet ownership, home occupancy, and air quality. A general recommendation is to change the filter every 1-3 months.
