Super tune up performed today. All electrical connections are tight with no corrosion. ECM blower motor is acceptable. Blower wheel has some slight build up starting to form. Evaporator coil is clean. Replaced UV bulb to help improve air quality in the home. Unit was slightly low on refrigerant. Performed leak search and was not able to find a leak. Added 24oz of r410a refrigerant. Compressor and condenser fan motor are acceptable. Outdoor unit wased and waxed. Compressor saver was replaced under warranty.