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San Antonio’s Premier Home Service Experts

Join the thousands of homeowners in San Antonio who trust Radiant with their home repairs – experience the difference of expert service in your own home!

A Radiant Technician standing in the back of a truck holding Aeroseal testing equipment


Expertise and Support

Radiant® Plumbing and Air Conditioning in San Antonio excels in providing expert home services with unmatched customer support. Serving areas like Alamo Heights and Stone Oak, we pride ourselves on our proficiency and dedication in cooling, heating, plumbing, and drains.


Greater San Antonio & Beyond

We proudly service the following cities and neighborhoods across San Antonio, TX:

Not seeing your area? Give us a call at 210-294-6703

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Radiant Techs Working in Attic

Trusted in San Antonio Since 1984

Reliable HVAC & Plumbing Experts

For over 30 years, our commitment to trustworthiness and reliability has made us the go-to HVAC and plumbing repair service for homeowners across Northeast San Antonio including Alamo Heights, Terrell Hills, San Marcos, New Braunfels, Cibolo, Live Oak, Schertz, and Selma. We understand that your home is your haven—a place for family, relaxation, and making memories. That’s why we’re dedicated to ensuring that your HVAC and plumbing needs are met with the utmost professionalism and efficiency, allowing you to focus on what truly matters: spending time with your loved ones.

Our maintenance plans are designed to offer peace of mind, ensuring that your home remains comfortable and fully functional without the hassle. With our team of highly trained technicians—who undergo continuous training to stay at the forefront of industry standards—you can rest assured that your home is in capable hands. Whether it’s a routine check-up or an urgent repair, we treat every home as if it were our own, with the respect and attention it deserves. 

The Radiant Plumbing and Air Conditioning trucks parked on the street

Modern Care for Your Home

Local Experts With Modern Solutions

Since 1984, we’ve earned the trust of San Antonio home and condo owners, adapting to the city’s growth with our total home service care. As San Antonio has evolved, so have we, offering specialized services in water softener installation and repair, air conditioner and furnace replacements, along with the latest in smart thermostats and tankless water heaters. Our deep roots in the community and commitment to innovation make us your go-to experts for enhancing your living space.

Choosing us means bringing decades of expertise and innovation to your doorstep, tailored to the unique character of neighborhoods like Hill Country Village, Fair Oaks Ranch, Timberwood Park, and Helotes. We’re not just home service providers; we’re your neighbors, dedicated to improving your living space with precision and care. Trust us to bring modern comfort and efficiency to your home, ensuring it meets the high standards of our vibrant, growing community.

Urban Living, radiant Solutions

Smart Repairs for Stylish Spaces

From the bustling streets of Downtown to the artistic heart of Southtown, and the expanding communities of Sandy Oaks, Westover Hills, and Alamo Ranch, we’ve got your home service repair needs covered. Our expertise is in providing tailored solutions that fit the specific requirements of urban living spaces.

Navigating the complexities of shared walls, limited access, and HOA guidelines requires a knowledgeable and experienced partner. Whether it’s ensuring your plumbing is up to the task in a historic Southtown loft, optimizing the indoor air quality in your Downtown condo, or installing the latest in smart home technology in your townhome in Leon Valley, Radiant is here to enhance your home’s comfort and functionality. 

Trust Radiant Plumbing and Air Conditioning to provide prompt, reliable service that respects your space and your community, ensuring your home remains a sanctuary amidst the city’s hustle and bustle.

Radiant Tech Fixing Kitchen Sink
Anju Gaylor
Anju Gaylor

Radiant has a wonderful customer service department. Every time I called, someone responded and spoke very politely. Technician, Kevin, came on time, answered all our questions, and helped explain everything. He unclogged our primary drain…

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Response from business owner

Thank you so much for the kind words, Anju! We are thrilled to hear about your positive experience with our customer service department and technician Kevin. We strive to provide excellent service to all of our customers, and we are so glad we could help with your primary drain issue. Thank you for recommending Radiant Plumbing and Air Conditioning – we truly appreciate your support!

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Penni Frisbie
Penni Frisbie

Eric was pleasant and explained all features needs for my repair

Response from business owner

Thank you, Penni, for your 5-star review! I'm glad to hear that Eric was able to assist you with your repair needs and provide a pleasant experience. We strive to ensure our customers feel informed and taken care of throughout the process. Thank you for choosing our business!

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Joseph R
Joseph R

Great service

Response from business owner

Thank you so much, Joseph! We are thrilled to hear that you had a great experience with our service. We appreciate your feedback and hope to see you again soon!

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Austin Gullberg
Austin Gullberg

Eric W explained everything clearly and did prompt, professional work

Response from business owner

Thank you, Austin, for taking the time to leave such a positive review! I'm thrilled to hear that Eric provided clear explanations and delivered prompt, professional service. Your feedback is greatly appreciated!

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Kristen Patterson
Kristen Patterson

Very impressed! Quick service! Eric W. came out on a Sunday to service our A/C and did a great job! Friendly and professional service. Highly recommend!

Response from business owner

Thank you so much for taking the time to leave this wonderful review, Kristen! I'm thrilled to hear that Eric provided you with quick and professional service on a Sunday. We truly appreciate your recommendation and we're here whenever you need us!

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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.