*Teflon Treatment Arrived at client for cooling maintenance. Set thermostat to cooling. Checked air filter. Replaced air filter. Inspected blower wheel and coil. Both were clean. Checked electrical. Washed outdoor coil. Checked electrical components. Checked refrigerant pressures. All were good. Teflon treatment for you’re system is beneficial for the long lasting of you’re system. Client approved treatment. System is operational at this time. Job complete.