Indoor air quality plays a much bigger role in your comfort and health than most homeowners realize. Even if you keep your home spotless, dust, allergens, pet dander, and pollutants can collect deep inside your HVAC system. Every time your furnace or AC turns on — those same particles circulate back into the air you breathe. Regular air duct and dryer vent cleaning  help protect your family, improve system efficiency, and even save you money. Here are five powerful benefits y