Arrived on site to perform spring tune up on a 2018 Lennox system. Condenser located in back yard. Furnace and evaporator coil located in attic. Client stated no issues just wanted filter changed out. He cycled system in cooling. Washed condenser coil inside and out. Unit was really clogged of dog hair and dead grass from back yard. Checked fan blades, bearings, and motor. All good. Checked electrical compartment and components. Primary and secondary controls are good and in range. Checked amp drawls on compressor and fan motor. Compressor has been working a bit hard due to the condenser unit all clogged up and restricted. Start up amps are high due to hard start up every time. Recommend a compressor booster to reduce hard start up and prolong life of out door unit. Run amps are in range. Fan motor amp drawls are good and in range. Refrigerant pressure are good and cooling. Cycled system to ensure systems operating. Inspected indoor unit. Found system to have purifying system that is o