One of the most common questions we get is, “How often should I change a furnace filter?” A quick Google search will likely cause only more confusion as the answer will range from every month to every 3 months.
Generally speaking, you should replace a standard HVAC filter every 3 months. However, this should be more frequent depending on certain factors. Let’s go through some household circumstances that warrant a furnace filter change closer to the 1-2 month mark.