The answer to 'how to clean air duct' is to have a professional HVAC technician inspect and clean your air ducts. Air ducts can accumulate dust, debris, and even mold over time, which can reduce air flow and indoor air quality. Attempting to clean air ducts yourself can be dangerous and may damage the ductwork if not done properly.
Professional duct cleaning services use specialized equipment like high-powered vacuums and brushes to thoroughly clean the entire duct system, removing built-up contaminants. They can also identify and address any underlying issues like leaks or blockages. Regular duct cleaning, typically every 3-5 years, helps maintain efficient HVAC operation and a healthier home environment.