Perform single system cooling maintenance. The system was installed in 2023. It is a communicating heat pump. I checked amps, filter, drains, electrical, thermostat, refrigerant temperature, and temperature differential. The system is cooling inside of manufacture specifications. I presented the air scrubber audio book and spoke about insulation. The customer is not interested in insulation or the Airscrubber at this time due to other projects. A price for the Airscrubber was requested for future reference.