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Diagnosing a 2018 Goodman heat pump and fan coil in beautiful Discovery Bay, CA for one our our maintenance members. Certified installed the system 4 years ago and everything has been running well, only issue was with settings on the zone board. We are working with the client to address the older ductwork in the crawl space and attic to make the system more efficient. Thank you for choosing Certified Heating & Air Conditioning!
