Began my maintenance on the right hand side of house. During my twenty point inspection, I started off with hosing down condenser coil of any dirt and debris. Opened condenser cabinet and checked everything thoroughly. Starter (good), fuses (good), fan motor amps (0.8 ), dual secondary motor control (good), 24v (good), 240v (good), refrigerant levels sh 21, sc 0, osa 84, delta 20. Then went onto the furnace and checked furnace cabinet thoroughly. Blower motor (good), single secondary motor control (good), motherboard (good), 24v (good), 120v (good). House cools great and ready for summer. The second unit was on opposite side of home. I started off with hosing down condenser coil of any dirt and debris. Opened condenser cabinet and checked everything thoroughly. Starter (good), fuses (good), fan motor amps (0.7 ), dual secondary motor control (good), 24v (good), 240v (good), refrigerant levels sh 21, sc 0, osa 86, delta 19. Then went onto the furnace and checked furnace cabinet thoroug