How to Change a Furnace Filter - Regular Home Maintenance

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House in Progress shows you how to change and replace a furnace filter. This regular maintenance tip can help your furnace and air conditioner run more efficiently, as well as keep your breathing air clean.

This might be something that you rarely think about, but did you know that most filters are only designed to last one to three months?

Not only is it important to change your furnace filter regularly but it is also important to choose the right filter. Furnace filters are rated based on their minimum efficiency reporting value (MERV). The higher the number, the more particles will be trapped by the filter. The lower the number, the more airflow the filter will allow. Most residential filters fall into a range of 4-12 out of a 16 point scale. If you are concerned about germs or allergies, you may want to choose a higher quality filter such as a 7 or 8, but always talk with an HVAC technician before choosing a higher rated filter to make sure that your fan can support the new filter.

Here are the four easy steps to complete:
1. Make sure your furnace/air conditioner is turned off
2. Locate the filter door, which is most likely on the bottom or the side of the unit
3. Remove the old filter and replace with the new filter - Be sure to note the airflow direction arrows on the side of the filter.
4. Close filter door and turn the furnace/air conditioner back on

House in Progress aims to make daunting home repair and maintenance jobs a little simpler by showing you exactly what you need to do, the tools we used and how difficult each project is. Hopefully you feel comfortable replacing your furnace filter after watching this!