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Hvac Trailer On A Job Site

Est. 2021

New Braunfels’ Heating & Cooling Experts

Repair / Service / Replacement

We Service & Repair All Brands of HVAC Equipment!

Heat Pump

Heating & Cooling


Learn About Heating & Cooling


Ductless & Retrofits

Learn About Ductless & Retrofits

Tempstar Air Purifierr Dgapa

Indoor Air Quality

Learn About Indoor Air Quality

Tempstar Elite Dealer

Proud to be an Elite Dealer

As our name implies, Relentless Cooling & Heating LLC is tireless and tenacious in achieving your goals. We are a local, family-owned HVAC company in New Braunfels, TX and the surrounding areas and your source of a wide range of expertise. Established in 2021, we bring together more than thirty years of experience and a wealth of knowledge, resources, and innovation to residential and commercial demands. Get in touch at (830) 282-4633 and get the job done right or click to learn more about:

Maintenance Plans Duct Cleaning Heating Installation A/C Installation

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Relentless Service for Your Systems

We’re Your Reliable HVAC Team

Relentless Cooling & Heating LLC is an Elite Tempstar Dealer, qualifying us in a premier lineup of air conditioners, heat pumps, furnaces, ductless configurations, and more, featuring top-of-the-line Ion System Control, variable-speed blowers, outstanding summer dehumidification, and today’s progressive technology for the ultimate in year-round comfort and energy efficiency. Providing new construction installations, replacements, and retrofits, we stand behind the products we sell and all of our services.

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Google Five Stars

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Pay Less with Relentless

Tempstar Systems Min

Repair, Maintenance, Installations, and More

When you work with Relentless Cooling & Heating LLC, you are always treated fairly. Trust in our hard work, honest answers, and solutions that hold up to high expectations and regular wear and tear. Choose us for thorough seasonal maintenance to optimize heating/cooling system performance, repairs with all makes and models, duct cleaning/sealing, indoor air quality improvement, thermostats, and an extensive lineup of possibilities and potential, including emergency availability whenever you need us, anywhere across New Braunfels, McQueeney, Seguin, Cibolo, Schertz, and San Marcos, TX.

HVAC Installation, Air Conditioning Installation, AC Repair, Air Conditioner Service & Air Conditioner Repair Cibolo, TX, McQueeney, TX, New Braunfels, TX, San Marcos, TX, Seguin, TX & Schertz, TX

HVAC Company Cibolo, TX | Air Conditioner Service McQueeney, TX | HVAC Contractor New Braunfels, TX

AC ContractorAC CompanyHVAC ContractorHVAC Company ∴ Seguin, TX ∴ McQueeney, TX ∴ Cibolo, TX

Special Offer

20% Off

Military & First Responders

Exclusions apply. Call (830) 282-4633 for details. While supplies last.

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Special Offer

Free Service Call

With Paid Repair

Exclusions apply. Call (830) 282-4633 for details. While supplies last.

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Rated 5/5 on Google!

They were very responsive and communicated with me at all points, very reasonable and fair rates. I have used them for several of our rental properties and do awesome work as well as clean up after job is complete.

John Z.

Shout out to Relentless Cooling and Heating!! Their affordability and timelines is outstanding! I highly recommend them for all of your AC needs!

Brandi M.

Thank you for replacing my ac and all the work you did to fix my ductwork. Cruz is very reliable, friendly, and knowledgeable. And affordable.

Ana A.

Best in the game. Top of the line work and for a respectable price. Highly recommend them for all of your HVAC needs.

Erik S.

We were referred by a friend to call Relentless and thank goodness for them! They were honest and upfront and even let us know our system was probably still under warranty, which it was.

Nicole D.

Man I cannot thank Danny enough!!! He came and fixed the A/C real quick! It has been out for months. Not to mention how quickly he came out to service us.

Saul C.

Called the company in the morning after realizing the AC had gone out and by 11:30 that morning AC was working again. Very impressed, so we will have them come back for routine maintenance.

Natalia O.

Very professional and honest, extremely knowledgeable gives great information about what’s going on. Thank you for the help Relentless cooling and heating.

Nina B.

These guys have a great attitude and awesome work ethic. They’ll go above and beyond if they have to and when needed! They tackle projects head on and the end result is always quality work!

Chris S.

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