Arrived on site to perform combo tune up on a 2019 lennox unit condenser located in back yard. Furnace located in attic. Client stated. No issues and just wanted filter replaced. Washed condenser coil inside and out. Checked electrical compartment and components. Both primary and secondary motor controls are good. Fan motor is good and in range of amp draws. Compressor start up are good, run amps are good and in range. System pressure are good and cooling home at 22 degrees. No protection on unit. Inspected indoor unit. Filter was dirty and client supplied her own and replaced. Blower assembly and motor are good and in range. Inducer is good. Evaporator coils is good. Drain lines are good and clear. Home is heating up at 35 degrees. All safety switches are operational. Recommend adding a whole house purifying and cleaning system to help better air quality as client dose want clean air in home. No protection on unit. Cycled system in cooling and heating. Client is aware of how system is