Received a notice from Auburn Heating and Air Conditioning that it was time for them to inspect our unit for the upcoming spring. We mistakenly believed that they are the company that installed the complete new system 2 years ago which was under warranty. Tech stated that there was a gasket that was bad causing a coolant leak. They quoted us $400 to repair. Fortunately we had Fred's service who installed the unit check it out without informing of Auburn Heating diagnosis. The only problem was a dirty filter. Buyer Beware