Keeping your furnace’s filter clean is essential for maintaining good air quality and efficient heating in your home. A dirty filter can lead to reduced airflow, higher energy bills, and even furnace damage. So, how often should you replace it? The answer depends on several factors, including the time of year and your living environment.
Spring and Summer
During the warmer months, your furnace may not be in use, but if you have central air conditioning, the same filter is used. Spring pollen, wildfire smoke, and summer dust can clog the filter faster, especially if your windows and doors are opened frequently. Check your filter monthly and replace it every 1–3 months, depending on how quickly it gets dirty.
Fall and Winter
As the heating season begins, your furnace works harder to keep your home warm. With windows closed and more time spent indoors, dust, pet dander, and debris accumulate faster. In the winter, aim to replace your filter every 1–2 months to ensure optimal performance and air quality.
Special Considerations
Pets: If you have pets, their fur and dander can clog filters quickly, requiring more frequent changes.
Allergies: Households with allergy sufferers benefit from cleaner filters, so monthly replacement may be necessary.
Construction: If you’ve recently renovated or live in an area with ongoing construction, extra dust will mean more frequent changes.
Check Your Filter Regularly
The best rule of thumb is to slide your filter out of the front of your furnace and take a look at it – every month! Replace it as needed. You can pick up the right size at your neighbourhood DIY store or order online. A clean filter will help your furnace run efficiently and keep your home’s air clean and healthy.
Need help with furnace maintenance? Contact Radian Home Comfort today for expert advice and service to keep your heating system in top shape!
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