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Open 24 Hours

Emergency Service

Financing Available

With Approved Credit

Furnace Installation in San Marcos

San Marcos Furnace Installation


Do you need furnace installation in San Marcos? One of the most important things to consider when purchasing a heating unit is efficiency. An investment in a high-efficiency system will return your investment many times over in cost savings over the course of the equipment’s lifespan. Another important factor to consider when buying a furnace is its noise level. If your unit has a low sound level, you’ll hardly notice it is operating. At UST, we pride ourselves in saving our customers money, time, and stress. No matter where you live, call us for installation needs today!

When replacing your system, consider having your home’s ductwork evaluated, especially if you notice some rooms tend to be warmer or cooler than others. Also, return air grilles in each room should be evaluated to see if they are properly sized and working correctly. Be sure to ask our experienced technicians about add-ons for added comfort: Humidification/dehumidification; electronic or HEPA air cleaner; programmable thermostat. We want to make sure your new heater installation is done right the first time.

Our Furnace Installation Services:

  • Heating System Diagnostic & Maintenance Service
  • Heat exchanger cleaning
  • Thermostats
  • Air filter replacement
  • Zone controls
  • Heat pumps (service, repair, replace)

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UST - Reliable Service in San Marcos

Quality Furnace Installation in San Marcos

We Install the Best Furnaces in San Marcos

Your new heating system will be installed by professional factory-authorized technicians who are fully certified, insured, and trained on an ongoing basis in the latest heater/furnace installation techniques. Your technician will arrive with a fully equipped service truck, guaranteeing that the job is done in a timely manner. For same day furnace installation, schedule an appointment online or call us today.

Protect Your New Furnace with Annual Maintenance or Service Membership

Once your new heating system is in place, you’ll want to keep it running efficiently. There is no better way to ensure its peak performance than by scheduling regular annual maintenance. Better yet, have your heating and air conditioning systems checked annually.


US Thermodynamics is a leading and reputable Heating, ventilation, and Air Conditioning company based in San Marcos, Texas. Ever since we opened for business, we’ve taken a comprehensive approach to the region HVAC conditions, providing our clients with a wide range of services to cover their needs. Get in touch today to learn more about what we can offer you and to receive your free estimate.

© 2019 ​US Thermodynamics

Main Office:
San Marcos, TX, 78666

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