How often do I need to replace my furnace filters?

It depends on the system. We suggest you check filters every 30 days, and replace them when they show signs of dirt or dust. A lot of high efficiency filters say they last up to 90 days; this does not mean they will last the full 90 days. Most will only go 30 days before they start to restrict air flow.


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Dependable Heating & Cooling

2619 Coon Rapids Blvd NW # 101 Coon Rapids, Minnesota 55433

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