Changing your furnace filter is crucial for maintaining indoor air quality and system efficiency. Filters come in various types, including HEPA and pleated, each with different lifespans and effectiveness. Factors like your home's dust levels, pets, and usage frequency can influence how often you should replace it. Regular maintenance not only prolongs the life of your furnace but also helps reduce energy costs. Curious about the best filter options for your specific needs? Ask Improvi.ai for personalized guidance!