Two system super tune up perfomed today. Bedroom unit is s comfortmaker straight electric system installed in 2009. Main system is a propane furnace with a straight cool condenser installed in 2022. All electrical connections are tight with no corrosion. Refrigerant levels are in range. No drain safety switch is installed on the smaller bedroom unit. Suggest a duct cleanung for each system and a UV installed in each system to help improve air quality in the home both outdoor units were washed and waxed.