The air scrubber bulb to be install at the same time with the spring tuneup the client will pay when we return and install it the part. * Aire scrubber bulb replacement * Membership discount R-410A adjustment Arrived at clients for cooling maintenance. Set thermostat to cooling. Checked air filter. Inspected blower wheel and evaporator coil. Both need cleanings. Checked electrical components. Washed outdoor coil. Checked capacitor and compressor amperage for outdoor coil. Both were good. Checked system pressures. Refrigerant level was on the lower range. Client approved refrigerant recharge. System is operational at this time. Job complete.