Great experience from start to finish. John had the latest equipment ( video etc. ) and showed me and explained to me what he was doing and what we were seeing. He also gave a lesson in how furnaces and connected air conditioning work. We discussed labor requirements and costs for various levels of service, including a new higher efficiency heating and cooling system sometime down the road. John is a true professional, and I would recommend him and Dr. Fix It not only for the periodic furnace checks, but for every level of service required. John was prompt, courteous and highly skilled. If anthing goes wrong with my heating or cooling from now on, I know which company to call and which technician for whom to ask. I rate the service 5 stars.
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