Two system geothermal split equipment heating season preventive maintenance, tune-up, cleaning, safety inspection, and minor repairs All carrier equipment is original to the house in 2006. The zoned first floor system consists of a 120K BTU propane gas furnace combined with a carrier 4 ton r22 split geothermal single stage. The second floor system consists of a 15KW electric air handler in the second floor unfinished area supplying only the second floor. This system is combined with a 3.5 ton carrier single stage r22 system geothermal Both systems are running in fair to good condition considering the age. Both geothermals are functioning in heating and cooling modes. The geothermal non-pressurized flow centers both tests between 0.982 and 0.985 equivalent to roughly +18-+20°f freeze protection for the winter. Both non-pressurized QT flow centers required about 2 gallons top off of fresh house water The aprilaire 600 humidifier required a solenoid valve replacement to stop the con