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Meet out staff


Mark Cardwell

Mark Cardwell has over 14 years experience in the HVAC industry. Mainly air conditioning and heating in the Austin metro area. Originally from the hill country. Has lived in the Austin metro area for over 20 years. Now resides in Georgetown Tx, with his wife Tessa Cardwell and their two children. Holds his State of Texas License, Nate Certification, 410A certification, EPA license. He is working hand in hand with major distributors(Carrier, Trane etc..) in matching up systems that will best fit homes in this area.


Tessa Cardwell

Tessa started the company with her husband Mark. With his background in the HVAC industry and her strong accounting and marketing skills. It was the perfect combo and thus we have one of the air conditioning and heating leaders in the Austin area, Texas AC Specialist. Tessa is a dedicated mother of 2 of which she home schools along with taking care of their 3 yorky’s.

Brian Cardwell

General Manager
Brian has been with us for 3 years. He was brought on to handle all day to day business activities as well as phone estimates and Internet estimates. He his the brother of the owner and has learned a lot from him, in regards to system match ups and what systems qualify for rebates and credits. Brian is NATE certified. He will also be handling all financing. Brian’s background in management and accounting and when you talk to him is one of the most helpful guys you could meet.

Bill Cardwell

Office Manager
Bill is the father of the owner Mark and the general manager Brian. Bill retired from HEB. He was the produce manager for 31 yrs. Bill brings his strong managerial skills to help assist Brian at whatever task that is needed.

Martin Perez

Service Manager

My number one priority as the service manager for Texas Air Conditioning Specialist is to make sure that all of my customers are happy customers & that they received the best service that is possible to receive.

I have been in the HVAC industry since 1996. I earned my degree in Air Conditioning/Refrigeration while I was living in Oklahoma. I moved to Texas in 1998 & began to better myself in my industry. Since I have been here, I have earned my state of Texas Air Conditioning license(TACLA29535C), EPA license(Universal), EPA license(Automobiles) & many more certificates of training/completions. I’m also registered with TDLR(Texas Department of Licensing & Regulation). This TDLR license allows me to interact with customers/homeowners. I have had the opportunity to work around many types, styles, brands, sizes, tonnage of HVAC equipment since I have been in my industry.

In my spare time, I dedicate my time to my kids & 2 Great Danes.

Vince Fischer

Assistant Service Manager
Vince has been with Tx Ac for 4 yrs now. Vince worked as a lead installer for the majority of the time. He now assist in the office and provides our service manager assistance when it is needed. Vince was born and raised in Georgetown and after being a head contractor for many years decided to enter the HVAC field. Vince has been a tremendous help with his manager background. We are glad to have him.

Thomas Geiling

Sales Management Team
Thomas has over 7 years in diagnosing systems and recommending repairs. Thomas is the brother of the owner. He won the award for Texas Ac Specialist for leading in Carrier Infinity Sales. You will not find a more a tech who knows more about Carrier system match ups than Thomas.  Thomas is 410 certified, EPA certified and registered with the state of Texas. He came to us from the United States Marines after serving our country in Iraq on two separate occasions.

Domingo Rios

Sales Management Team
Domingo brings 10 years experience in designing and promoting Air conditioning and heating systems. Domingo will be NATE certified by years end. He is the father of 4 and also lives in Dale, TX. Domingo brings a wealth of knowledge and customer first attitude to every service call. We hope he is a member of our team for many years to come.


Quality Control Manager/Sales Management Team
James has over 20 yrs experience in the HVAC field. From owning his own company to leading sales rep at ARS. He has spent majority of this time working with Carrier and Trane products in the Austin Metro area.