Performed preventative maintenance on 2 Lennox AC systems. Tested the evaporator coil drain and the condensate pump for proper drainage, and at this time the condensate pumps are operating properly. MERV 16 air filter was supplied and replaced by the customer. The temperature split is at 20° Difference between supply and return air. Refrigerant charge is good on both units. Amperage on compressor is at 6.0 RLA and the fan motor is at 0.6 FLA, these are within the correct amperage rated for these units. Both units are ready for AC season.