The answer to 'how to clean duct cleaning' is to regularly clean your HVAC ductwork to maintain indoor air quality and system efficiency. This involves removing dust, debris, and other contaminants that can build up over time in your home's ductwork.
For most homes, professional duct cleaning is recommended every 3-5 years, or more frequently if you have pets, smoke indoors, or have recently completed a home renovation project. DIY duct cleaning is possible but requires specialized equipment and can be time-consuming. It's generally best to hire a professional HVAC technician to inspect and clean your ductwork to ensure it's done safely and effectively.