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New Era Heating & Cooling's
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is your go-to guide for staying comfortable, safe, and saving money on your HVAC and water heater systems in the Springfield & Republic, MO area.
Filter Math: How Often Should You Actually Change Your HVAC Filter?
February 11, 2026
How often should you change your HVAC filters – for real? Find the real life answers based on filter size and use from experienced HVAC