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San marcos, TX

Transform Your San Marcos Home with Expert Service and Maintenance Solutions

Transform your home with premier A/C, plumbing and heating services from  Radiant® Plumbing and Air Conditioning in San Antonio. 

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Plumbers & A/C Repair in San Marcos

Your Partner for HVAC and Plumbing Services

From ensuring your HVAC system operates at peak efficiency to safeguarding your plumbing infrastructure against leaks and clogs, our team is equipped to handle it all. Whether it’s a faulty furnace in need of replacement, a malfunctioning air conditioning unit requiring repair, or a water softener installation to combat hard water issues prevalent in the area, we have the expertise to deliver lasting solutions.

Our commitment to excellence is reflected in our meticulous attention to detail, prompt response times, and dedication to customer satisfaction. With Radiant San Antonio by your side, you can rest assured that your San Marcos home is in capable hands.

Experience the difference that expert home service, repair, and maintenance can make. Contact Radiant San Antonio today to schedule your appointment and take the first step toward a more comfortable, efficient, and enjoyable home environment.

Radiant Offers

Special Offers and Coupons

Our Services

Repair, Install, Service & More

Air Conditioning

From tiny tweaks to big emergencies, our expert crews have the skills to keep you chill.

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Heating

From air conditioning and indoor air quality to heat pumps, furnaces and more–Radiant has you covered.

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Plumbing

Like most people, you might not think much about your plumbing – until something happens.

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Drains & Sewers

Your drains are nearly invisible, but far from invincible. We’re here to help keep things flowing.

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Air Quality

Helping improve air quality in local homes is another reason Texans trust Radiant.

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Maintenance Plan

Our membership program is crafted to offer peace of mind and comfort to every San Antonio home, blending professional care with a touch of local charm.

The Radiant Difference

Discover The Radiant Difference

Experience unparalleled expertise, reliability, and skill in every home service we provide.

Decades of Excellence in Home Services

For over 20 years, Radiant Plumbing & Air has set the standard for professional home services. Our team of licensed and insured technicians brings unmatched expertise to every job, ensuring reliable repairs and maintenance. We're committed to excellence, and it shows in every task we undertake.

Dependable Service, Every Time

Trust is the cornerstone of our services at Radiant. We guarantee the reliability of our installations and repairs, conducted only by our fully licensed and insured professionals. With us, you can be confident that your home systems are in skilled hands.

Your All-in-One Home System Experts

Whether it’s plumbing woes or air conditioning tune-ups, Radiant Plumbing & Air covers it all. Our comprehensive equipment expertise means we’re equipped to fix all types of home systems. From routine maintenance to complex repairs, we handle every challenge with skill and efficiency.

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Home Maintenance Plans

Your Key to Year-Round Comfort in San Marcos, TX

Experience peace of mind and hassle-free home maintenance with Radiant Care Club in San Marcos, TX. Our exclusive membership program offers year-round maintenance for your HVAC and plumbing systems, ensuring optimal performance and efficiency. With Radiant Care Club, you’ll enjoy priority service, discounts on repairs, and scheduled maintenance visits, all backed by our years of expertise and thousands of satisfied customers. Elevate your home comfort experience and protect your investment with Radiant Care Club. Join today and let us take care of your home, so you can focus on what matters most.

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Betty Aceituno (B)
Betty Aceituno (B)

Radiant is absolutely incredible all around. We’ve worked with them for a few different things and were impressed each time. We especially have a soft spot for Jason. I truly can’t say enough good things. He’s knowledgeable, kind, thorough…

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Response from business owner

Thank you so much for the kind words, Betty! We are thrilled to hear about your positive experience with us, especially with Jason. We truly appreciate your support and are grateful for your recommendation. Please don't hesitate to reach out if you need anything in the future. Thanks again for choosing us!

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Ash M
Ash M

John and Joey from Radiant Plumbing were prompt, kept me in the loop, and efficient in replacing our water heater.

I don’t recall her name, but the woman who scheduled the appointment was also very helpful and had a calming voice during a …

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Response from business owner

Thank you so much, Ash M, for taking the time to share your positive experience with Radiant Plumbing! We're thrilled to hear that John, Joey, and our scheduling team provided you with efficient and helpful service during a stressful time. We truly appreciate your business and are always here to help with any of your plumbing needs in the future.

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Matt Gunnison
Matt Gunnison

Radiant was able to come see my malfunctioning AC the same day I called. Service technician Troy was friendly, thorough in examining the system and when searching for current and potential future problems, and patient with my questions and …

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Response from business owner

Thank you so much for your kind words, Matt! We strive to provide prompt and excellent service to all of our customers, and we're thrilled to hear that Troy was able to help you with your AC issue. We appreciate your business and look forward to assisting you in the future.

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Robert Lagerstrom
Robert Lagerstrom

Eric and his supervisor from Radiant Plumbing were awesome. Very nice and informative about teaching me about my hvac system and how to maintain and improve my existing system. They were very professional and friendly. Would definitely …

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Response from business owner

Thank you so much for the amazing review, Robert! We are thrilled to hear that Eric and his supervisor provided you with such a positive experience. At [Your Business Name], we always strive to deliver top-notch service and ensure that our customers are well-informed about their HVAC systems. We truly appreciate your recommendation and look forward to helping you with any future maintenance, repair, or upgrades you may need. Thank you for choosing us!

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Joseph Scott
Joseph Scott

Our technician, Elias, arrived on schedule. He clearly explained the pricing for his services. After diagnosing our HVAC unit, he explained what was wrong our unit and gave us several options. He did a great job.

Response from business owner

Thank you so much for sharing your positive experience with our technician, Elias! We are thrilled to hear that he provided excellent service and clearly communicated throughout the process. We appreciate your feedback and we hope to have the opportunity to serve you again in the future.

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Radiant Reviews

Always 5-Star Service

We’ve been in business since 1984, so we have made thousands of San Antonio homeowners happy. Explore some of our latest reviews.

Awards & Accreditations

San Antonio's Finest

Radiant has earned the trust of the community, being recognized with the following awards and certifications.

San marcos Plumbers & A/C Repair

Experience Excellence in Home Services for San Marcos, TX

Radiant San Antonio stands as your trusted partner for home services in San Marcos, TX, offering a comprehensive range of solutions designed to meet your every need. With a legacy of trust established since our founding, we’ve become synonymous with reliability, professionalism, and unparalleled expertise in the industry.

Our team of skilled technicians brings years of experience and a commitment to excellence to every project we undertake. Whether it’s plumbing repairs, HVAC installations, or indoor air quality solutions, we approach each task with precision and dedication, ensuring your complete satisfaction every step of the way.

From ensuring your HVAC system operates efficiently to safeguarding your plumbing against leaks and clogs, we offer a plethora of services to keep your home running smoothly year-round. Our expertise extends to ductless mini-split systems, heat pumps, furnaces, water softeners, and more, ensuring that we have the solution for every aspect of your home comfort needs.

With Radiant San Antonio, you’re not just getting a service provider; you’re gaining a trusted partner dedicated to your satisfaction. Join countless satisfied customers in San Marcos who have experienced the difference with Radiant San Antonio. Contact us today to schedule your appointment and discover why we’re the preferred choice for home services in San Marcos, TX.

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