How Often to Change a 16x25x1 Furnace Filter?
How often should you change a 16x25x1 furnace filter? The answer depends on several real-world variables: dust levels, number of occupants, pets, smoking, furnace runtime, and filter MERV rating. In a typical Minnesota home, most homeowners should replace a 16x25x1 filter every 1–3 months, with busier or higher-particulate homes needing monthly changes and low-dust environments […]