How Can Air Ducts Become Contaminated

Every few years, our homes build up high levels of dust, dirt, and debris in our ductwork. Though it's genuine for the dust to collect, it's difficult to tell when our ducts could benefit from a professional cleaning. There are a few steps we can take to prevent contamination of air ducts. To know in detail about what things can contaminate the air duct, check out this infographic.

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