How Often Should You Replace Your Furnace Filter?

There is no one easy answer - but we can help automate the process for you!

There’s no single answer to ‘how often you should change your furnace filter (aka air filter). Below are some guidelines to help you know what to expect in terms of frequency. Every home runs their HVAC unit for different amounts of time, and every home has a unique amount of dirt, dust, pet dander and allergens in the air. These are the things that most impact how long a filter lasts.

Filter is visibly dirty or damaged

You smell burning near the HVAC unit

Running more frequently than normal

You have pets

Home is more dusty than normal

You are a smoker

Changing your furnace filter regularly ensures the air in your home will remain clear of dust and other contaminants. If you don’t change your filter, it will fill up and won’t be able to trap new particles. A full filter will not be able prevent additional dirt and debris from circulating through your home, causing your family to breathe more dust and allergens on a daily basis. Additionally, a full furnace filter causes the motor on your furnace/hvac system to have to work harder, and it will subsequently become less efficient. 

Staying mindful of the factors that play a role in the air quality inside your home is a good measurement for how often your furnace filters need to be replaced. Keeping new filters in your furnace will help ensure that your furnace runs smoothly and efficiently and, most importantly, the air you and your family breathes is as clean as possible.