Miller Climate Control, LLC Share: A/C & Heating Miller Climate Control, LLC Visit Website 723 W. University Suite 110 Georgetown, TX 78626 (512) 956-5040 Hours: Open 24 hours a day M-F 7am - 3pm on weekends About Rep Info Map About We service, maintain and replace residential and commercial heating and air conditioning systems in Williamson County, TX. Whom to Contact Chris Miller Phone: (512) 956-5040 Directions We service all Williamson County and will come to you!