Maintenance Is Key

Our HVAC company in San Marcos and San Antonio TX offers seasonal maintenance

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.

Professional heating and cooling service

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. Your HVAC contractor can...

  • Install a brand-new air conditioning unit.
  • Repair your existing HVAC system.
  • Replace a broken or faulty system.
  • Complete preventive maintenance.

Right now, we're offering a special: 36 months with no-interest financing on all our HVAC installations (with credit approved).

Get a free estimate on your service by calling us today.

Se habla español

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.