Tech arrived at a 2 system tune-up. Upon arrival the customer thought this was a duct cleaning estimate. He recently had a tune-up from another company and just wanted an IAQ estimate. The system were checked for IAQ symptoms and qualifications. The ductwork does qualify for a duct cleaning. There was growth and particle buildup in the systems. The customer was given information on recommendations today. He will speak with his wife about how they would like to proceed and would like a call back in a couple weeks if we haven't heard from them by then. The tech will follow up at that time.