Duct cleaning has never been shown to actually prevent health problems. Neither do studies conclusively demonstrate that particle (e.g., dust) levels in homes increase because of dirty air ducts. This is because much of the dirt in air ducts adheres to duct surfaces and does not necessarily enter the living space.

They clean the whole HVAC system, including all the parts air flows through. This deep cleaning can lead to several benefits: Improved Air Quality: The removal of allergens, dust, and pollutants from your ducts can significantly enhance the air quality in your home.

There's no need to clean your ductwork every year as part of your regular HVAC maintenance and check-up. In fact, regular duct cleaning can actually damage your HVAC system. In this case, not only is duct cleaning a waste of money, you may also waste money with a less efficient heating and cooling system.

To give you a basic idea, residential air duct cleaning in Houston, TX, starts at around $775 and increases to about $1,000 per unit in the home. This price includes a thorough cleanse of the entire air handler and duct system from top to bottom.