*Evaluates current operation of the equipment. Must be presented at time of service. Cannot combine with other discounts. Not valid on previous purchases. Existing residential only. Homeowner authorization needed. Must be in service area. IN HVAC License #: H0010016 KY HVAC License #: HM01276 KY HVAC License # : HM05814 OH HVAC License #: HV48412 KY Plumbing License #: M5308 OH Plumbing License #: PL47812 IN Plumbing License #: CO50800249 C12