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Comfort in San Marcos doesn’t need to be expensive, difficult, or anything less than ideal. No matter the hot, humid summers or windy, cold winters, Relentless Cooling & Heating LLC provides affordable, convenient, and effective solutions to residential and light commercial needs. We look forward to surprising you in a really good way. From prompt response and organized job sites to clear communication, fair treatment, and exceptional quality of workmanship, we are the choice that delivers a rewarding process and results.

We’re Here for You in San Marcos

As a family-owned HVAC business, we take a great deal of pride in living up to our name. We are tireless in our efforts to prevent and solve problems with energy-saving, reliable, and innovative opportunities. We answer the specific requirements of homes and commercial buildings with a progressive selection of central air conditioners, furnaces, heat pumps, ductless mini- and multi-split configurations, VRFs, and the ideal fit. As an Elite Tempstar Dealer, we’ve got you covered.

Ready to Provide Reliable HVAC Service

Relentless Cooling & Heating LLC is your prompt, knowledgeable, and dedicated source of a full suite of HVAC expertise, including all-important seasonal maintenance, skilled repairs, whole-home indoor air quality accessories, smart thermostats and ductwork sealing, cleaning, repairs, and preventive upkeep. Combining more than three decades of industry experience, no challenge is beyond our capabilities. Call us for assistance at (830) 282-4633 anytime. We remain available for emergency response 24/7 in San Marcos and the surrounding areas.

Heater Installation, Air Conditioning Installation, Heating Service, Furnace Repair & AC Service in San Marcos, TX

Furnace Company in San Marcos, TX | Furnace Service

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With Paid Repair

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

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Rated 5/5 on Google!

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.

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