How often do I need to change my furnace filter?

How often do I need to change my furnace filter?

One of the most common questions we are asked when discussing furnace filters is “How often do I need to change my furnace filter?”   Replacing your filter routinely in your heating and cooling system will help your appliances last longer and run more efficiently. In Minnesota, most systems are set up to have one filter in the furnace that helps to purify all of the air in your home year round.

At Kura Home, one of the many preventive maintenance tasks we take care of for our clients is buying and changing their furnace filters.  Here are a few tips and tricks from Kura Home:

How often do I need to change my furnace filter?

  1. Consistently change the furnace filter.  

    To live in a healthy and efficient home, you need to consistently change your furnace filters. We change our client’s filter at every home maintenance visit which is every three months. Doing so will allow the filter to purify the air.  If a filter is left in place for more than three months, dust, dander, and debris will begin to build up.  The fan that circulates air through the home will be working overtime, and any time an appliance is overworking, the lifespan of the appliance is shortened.   For a longer lasting furnace, change your furnace filter every three months.

  2. Choose a quality furnace filter.

    The quality of the furnace filter will determine the length of time the furnace filter purifies the air. If you are taking the cheap route, be prepared to change that filter every 30 days! Choosing a low-quality filter may save you money in the short term but we highly recommend staying away from cheap air filters.  We use filters rated between a MERV 8 and MERV 12. Anything below that is not properly cleaning your air.

  3. Know what type of furnace filter works best in your region.

    Some homeowners believe that using a high-quality filter (MERV 18 for example) is better for their air quality, and they are correct. However, these filters will cause your furnace fan to work overtime to get the same air through your home. In Minnesota, with our extreme temperatures, having a filter rated between MERV 8 and MERV 12 will help to keep the utility bills down and HVAC fan from overworking itself into retirement.

Consistently changing your furnace filter every 90 days is the best way to live in a healthy and efficient home. If you have any questions about changing your filter or what MERV rating you should be using, feel free to call the experts at Kura Home.


Leave a Reply

Close Menu