English: (512) 749-0220

Español: (512) 395-4817

Open 24 Hours


Financing Available


Open 24 Hours

Emergency Service

Financing Available

With Approved Credit

About Us

About US Thermodynamics

The smallest mistake can affect the quality of your air conditioning. US Thermodynamics, LLC pays attention to every detail during your HVAC service, whether we’re installing a new system or taking care of your seasonal maintenance. As a full-service HVAC contractor, we offer residential and commercial services throughout the San Marcos and San Antonio areas.

US Thermodynamics has more than 17 years of industry experience. As your choice HVAC company, we will tackle any of your heating and cooling needs. 


It’s important to have an HVAC company that can adapt to your needs. As a family-owned and -operated business, US Thermodynamics works to ensure everyone is included and has access to quality HVAC services. We offer bilingual service, Spanish and English, for all our clients in the San Marcos and San Antonio TX area.

© 2019 ​US Thermodynamics

Main Office:
San Marcos, TX, 78666

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