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San marcos, TX

From New Installs to Fast Fixes Radiant is Your Home Service Specialist

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 & HVAC Contractors

Reliable, Year-Round Service in San Marcos

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.

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

Available 24/7

Services in San Marcos

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

Expertise and Integrity at Work: Home Repairs by Radiant

At Radiant, we set new benchmarks in home care excellence. From your first call to our final follow-up, our expert technicians are committed to ensuring your complete satisfaction and earning your trust with every step

Decades of Excellence in Home Services

Since 1999, homeowners in Central Texas have relied on Radiant for top-tier plumbing and HVAC solutions. Our longstanding presence in Austin and San Antonio underpins our deep commitment to quality and customer satisfaction.

Dependable, Flexible Scheduling

Your time is valuable. That's why we offer flexible scheduling options to fit your life, not the other way around. Whether it’s an emergency or routine maintenance, our 24/7 availability ensures that we are always there when you need us.

Transparent Pricing

At Radiant, we believe in solving your problems without pushing unnecessary services. Our transparent pricing and honest service approach are why thousands of customers have trusted us for over two decades, celebrating our integrity in countless reviews.

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Home Maintenance Plans

Radiant Care Club

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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Jeremy Tucker
Jeremy Tucker

Great response time, communication and willingness to do what it takes. Saved my week!

via Google
Masen Lindner
Masen Lindner

Very helpful and accommodating, priced out multiple options and are more than willing to work with you.

via Google
James Griffin
James Griffin

Technician was friendly and accomplished everything we needed

The unit is running fine and the price was reasonable

Didn’t try to sell me a lot of stuff I didn’t want or need

Great job!

via Google
Carol Costello
Carol Costello

Switch to Radiant from another Local Company. Kevin is great and help me with a couple of items only partially related to my air conditioner. I highly recommend.

via Google
Christopher Martinez
Christopher Martinez

Jordan Valles was absolutely amazing, as a new homeowner experiencing my first plumbing issue, he walked us through the issue thoroughly, recommend and helped solve the issue quickly. Great experience over all, great communication before …

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via Google

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 TX

Plumbing and HVAC Issues? Don't Sweat It -Radiant is Here to Help!

Experiencing Unexpected Plumbing Breakdowns?

When plumbing issues strike, they disrupt your daily routine and can cause significant inconvenience or even damage to your home. Whether it’s a clogged drain, a leaking pipe, or a malfunctioning water heater, the stress and potential costs can escalate quickly.

Stay Cool and Comfortable All Year Round

In San Marcos, TX, where temperatures can soar, having a reliable air conditioning system isn’t just a luxury—it’s a necessity. Don’t let a malfunctioning AC unit leave you sweating during a heatwave or shivering if your heater goes out.

Radiant Plumbing  Solutions

At Radiant, we provide a comprehensive range of services that cover everything from routine maintenance to emergency plumbing repairs. Our skilled technicians are equipped to handle:
  • Plumbing Repairs and Installations: Quick and effective plumbing solutions to keep your water flowing and your pipes in perfect condition.
  • Air Conditioning and Heating Services: From new installations to repairs and regular maintenance, we ensure your heating and cooling systems are efficient and reliable.
  • Water Quality Solutions: Installation and maintenance of water softeners and treatment services to ensure your water is safe and clean.

Why Choose Radiant?

  • Rapid Response: Our local experts are available 24/7 to tackle any emergency—ensuring minimal disruption to your daily life.
  • Trusted Technicians: With years of experience and a reputation for quality, our professionals deliver service you can depend on.
  • Customer Satisfaction Guaranteed: We’re committed to providing not just services, but solutions that last, with customer satisfaction as our top priority.
Don’t wait for a small inconvenience to become a major headache. Call Radiant today to schedule a service or consultation, and discover why we are San Marcos’s trusted choice for plumbing and HVAC services. Your comfort is our commitment!

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