At Primary Air Duct, we offer the most comprehensive ductwork cleaning services available across California. Whether your ductwork needs a routine cleaning, a deep sanitization, or a full inspection for mold growth, pest debris, and allergen buildup — our NADCA-certified technicians will thoroughly assess your entire duct system and deliver the most effective cleaning solution for your California home and budget. We use commercial-grade negative pressure equipment and professional rotary brush systems to clean every inch of your ductwork — not just the visible sections — delivering results you can actually see, smell, and feel from day one.