Homeowner signed up for Homecare plan today which consists of a heating check, a cooling check, an electric check, and a plumbing check each year. Membership also provides 10yr parts and labor warranty on hvac system. Did not change AprilAire 310 filter today, it is not a size we carry on the truck, homeowner ordered some today and will ask us to come out and change it when it arrives. System is clean and performing well. We set the thermostat to auto heat/cool, keeping the temperature in the house between 68 and 77 year round.