If your HVAC system runs all day during the winter and summer months to keep your home at a comfortable temperature, then you’ll want to make sure ducts and vents stay clean. When they are not properly maintained, they can blow dust, dirt, and allergens into your home, preventing the air from staying clean and making breathing easily a chore. Fortunately, air duct cleaning do it yourself projects are relatively easy, and a good way to save money. According to HomeAdvisor, the average American will spend just under $450, and much more if they need extensive services from duct cleaning companies, when they clean their ducts. On the flip side though, DIY air duct cleaning, is cheap, easy, and only requires a bit of free time on the weekend. Plus, the tools needed are readily available and easy to use.