Commercial air duct cleaning is different than residential air duct cleaning and presents a different set of challenges. The HVAC systems are bigger and more complex. This complexity requires even more tools and equipment. Like residential, there is no one magic commercial cleaning tool. Like residential, selecting the right cleaning tool is important because 95% of the cost of air duct cleaning is your labor cost. Your goal is to achieve the desired level of cleanliness (via source removal) as fast as possible. The more productive you are the more profitable you will be.