Air scrubber replacement bulb Expansion tank Teflon treatment Teflon treatment outside coils Comfort advantage club 1)tune up 2) I checked all capacitors and inspected blower wheel assembly I also checked for proper delta t and confirmed system is fully operational I confirmed air scrubber bulb is faulty and expansion tank is flatly and needs to be replaced, client authorized all repairs and we did Teflon treatment on all coils inside and out client also renewed membership. 3)Job complete, left thermostat on heat per clients request.