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Stay Comfortable Year-Round with Expert Heating & A/C Service from Radiant

No matter the season, our San Antonio HVAC experts are available 24/7 to ensure your home remains the perfect temperature. Experience top-notch service in A/C, heating, and more.

Radiant Tech Working on Air Conditioner

24/7 Emergency Service

Rapid Response - We're There When You Need It

For immediate heating and cooling solutions in San Antonio, rely on Radiant® Plumbing and Air Conditioning. Our skilled technicians are available 24/7, delivering swift and dependable heating and A/C repairs. Whether it’s a furnace breakdown in the dead of winter or a cooling crisis on a scorching day, we’re here to keep your home comfortable. Serving Alamo Heights, Universal City, and beyond, trust us for urgent heating and cooling services, ensuring your peace of mind and comfort.


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

Heating & Cooling Services

Repairing HVAC Systems Across San Antonio


Explore efficient heating upgrades for your home with Radiant Plumbing and Air's expert installation services.

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Ensure year-round comfort with our proactive system maintenance, enhancing performance and extending its lifespan.

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Experience swift and reliable system repairs with Radiant Plumbing and Air, bringing comfort back into your home.

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Air Conditioners

Keep your Texas home cooler with dependable, top-notch HVAC service or an upgraded A/C unit.

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Heating Systems

Discover year-round comfort with energy-efficient furnace and heat pump maintenance for Texas homeowners.

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Smart Thermostats

Install a smart thermostats and optimize energy usage while enhancing the overall efficiency of your home's heating and cooling.

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Ductless Mini-Splits

Upgrade your heating and cooling solutions with our mini-split heat pump installations, providing efficient climate control tailored to your specific needs.

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Enhance your home's energy efficiency and comfort with our top-notch insulation solutions. Keep your space cozy in the winter and cool in the summer while reducing energy costs.

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Air Duct Cleaning

Enhance air circulation with professional air duct cleaning, ensuring optimal HVAC system performance.

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HVAC Air Scrubber

Invest in air purity with HVAC scrubbers, using advanced technology to eliminate contaminants from indoor air.

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Make HVAC dreams a reality with flexible financing, providing convenient and affordable solutions for your home comfort.

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 Excellent Service

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.

Radiant Plumbing and Air technician leaning on the hood of a work truck

Heating & Cooling Services

Dependable Service in San Antonio

For all your climate control needs in San Antonio, turn to Radiant Plumbing and Air. Our expert technicians are at your service year-round, providing prompt and reliable heating and A/C repairs. From fixing furnace malfunctions to addressing cooling system emergencies, we ensure your home stays comfortable. Serving neighborhoods like Alamo Heights and Universal City, we are your trusted partner for heating and A/C repair in San Antonio, delivering peace of mind and comfort.

Man using tools to do maintenance on a heating system


Home Heating Services in San Antonio

When winter’s icy grip tightens its hold on San Antonio, it’s crucial to have a reliable partner for emergency heating services. Radiant Plumbing and Air, serving bustling neighborhoods like Alamo Heights, Universal City, and more, is your trusted choice. Our seasoned technicians specialize in addressing heating system breakdowns, furnace malfunctions, and heat pump emergencies. We understand the urgency of keeping your home warm and comfortable, which is why we provide swift and dependable solutions. Whether you reside in the heart of San Antonio or the serene streets of New Braunfels, we’re here to ensure your peace during the chilliest times.

The Radiant Plumbing team standing and leaning on work trucks


Comprehensive All-in-One Home Services

San Antonio residents have trusted Radiant Plumbing, Heating, and Air as their full-home service provider for all their maintenance and repair needs. From air conditioning and plumbing.


Current Special Offers


Frequently Asked Questions

We specialize in repairing and servicing all major air conditioning units. Additionally, if you’re considering replacing an aging unit with a brand-new, eco-friendly model, we have you covered. Our expertise extends across various brands, ensuring that you receive top-notch service and solutions tailored to your specific cooling needs. Whether it’s servicing your existing system or assisting you in upgrading to a more energy-efficient option, Radiant Plumbing and Air is your trusted partner in San Antonio, delivering comprehensive air conditioning solutions for all brands and models.

Absolutely, we provide financing options for homeowners throughout San Antonio, TX. Whether you require a major repair or a complete system replacement, our team is here to guide you every step of the way. We’ll begin by assessing your existing unit, conducting a comprehensive inspection, and then offering estimates for various options. You have the flexibility to decide how you’d like to proceed. In case you do opt for financing, our dedicated teams will assist you in securing the necessary funds, including exploring rebates, incentives, and special offers. We understand that the need for a new air conditioning or HVAC system can be unexpected, and we prioritize your immediate comfort. Our financing solutions are designed to ensure you can quickly achieve a cool and comfortable home environment. Contact us to explore financing options and schedule your installation without delay.

The cost of repairing an air conditioner in a San Antonio residence can fluctuate based on the underlying issue. It hinges on factors such as the repair’s intricacy and the components requiring attention. Minor fixes, like thermostat replacement, generally fall on the lower end of the spectrum, while more substantial problems, such as compressor or coil replacement, may entail costs in the several-thousand-dollar range. To obtain a precise estimate for your A/C repair, don’t hesitate to reach out to us today. Our experts will assess the situation and provide you with a tailored quote, ensuring you have a clear understanding of the expected expenses involved in restoring your cooling system to its optimal state.

We recommend at least an annual service, ideally before the hot summer season begins in spring. During this yearly check-up, our HVAC technician will conduct a comprehensive inspection, verifying refrigerant levels, cleaning coils, lubricating moving parts, and assessing overall component health. In addition to professional servicing, incorporate routine DIY maintenance tasks into your regimen, such as changing or cleaning air filters every one to three months, maintaining a clear outdoor unit area, and promptly addressing any issues. For a customized service schedule tailored to your system and usage patterns, consult with our experts. Regular maintenance not only prevents unexpected breakdowns but also boosts energy efficiency and indoor air quality. We service all types of homes across San Antonio – so schedule your service online or call us today to ensure your A/C consistently delivers optimal cooling performance.

The timeline for air conditioner repairs in San Antonio can vary depending on the issue’s complexity and the availability of necessary parts. Common problems can often be resolved within a few hours when components are readily on hand. However, more intricate issues or those requiring specific parts may extend the repair process, potentially taking a day or longer, particularly if parts need to be ordered. The technician’s availability and the need for emergency services can also impact the timeline. For a precise estimate and swift resolution, schedule your repair online or give us a call today.

Absolutely! Seasonal AC maintenance plans are a smart choice for San Antonio homeowners, no matter where you live – from Alamo Heights to Universal City. These plans enhance your system’s efficiency, cut energy costs, and prevent expensive repairs. As a Radiant Care Club member, you’ll get priority service during peak times, ensuring fast assistance and warranty compliance. Join today for hassle-free home maintenance and cost-effective A/C care.

We will soon! Our new Radiant Care Club is an ongoing maintenance subscription program designed for San Antonio homeowners. This unique program offers homeowners peace of mind for all their HVAC, plumbing, and drain-related appliances in their homes. Our team will inspect your water heater, furnace, and HVAC system, noting any small repairs we can address to prevent A/C emergencies. In the near future, our maintenance plan will also include air filter exchanges, ensuring you never miss another crucial service to maintain your warranty and your peace of mind. To get started, schedule your Radiant Care Club subscription online or contact us today.

Heating & Cooling Services

Your Trusted Heating and Cooling Experts in San Antonio

Radiant Plumbing and Air Conditioning – San Antonio has been the go-to contractor for San Antonio and the surrounding area for any and all heating, cooling, and plumbing service for over two decades. The dedication to excellent service and homeowner satisfaction has made a lot of cities, including Wimberley, Schertz, San Marcos, New Braunfels, Helotes, Elmendorf, Converse,  and Boerne, trust us.

We Offer Comprehensive Heating and Cooling Services

Emergency Heating & Air Services

Did your heating or cooling system break down unexpectedly? Our emergency HVAC services are available 24 hours a day to ensure your home remains comfortable, regardless of the season. Our team of accredited technicians is just a call away and ready to solve any of your problems with HVAC quickly and efficiently.

HVAC System Installation and Replacement

No matter if you are building a new home or replacing an old system, we provide top-of-the-line HVAC installations. Our expert technicians will review your home’s needs and recommend the best, most cost-efficient systems that ensure your comfort all year long.

Air Conditioner Services

Stay comfortable during the hot Texas summers with our complete air conditioning services. From regular maintenance to emergency repairs and new installations, we make sure that your AC unit works at its peak performance—providing you with the indoor comfort you need.

Furnace Installation and Repair

Before the winter months get you slipping into your mittens and gloves inside the house, make sure that your home is still warm with our furnace services. We offer installation, repair, and maintenance for all kinds of furnaces that will shake the chill away with a reliable and efficient heating system.

Ductless Mini-Split Systems

For homes that do not have ductwork, ductless mini-split systems offer an energy-efficient solution for heating and cooling. They provide flexibility, as well as individual comfort control, and can be ideal for any room addition or retrofit on older homes.

Smart Thermostat Installation

Upgrade to a smart thermostat and take control of your home’s climate. These innovative devices allow you to program temperature levels, adjust temperatures remotely, and even learn your preferences over time so you can achieve comfort and energy savings.

Boilers and Heat Pumps

We also install and repair boilers and heat pumps. These systems provide efficient heating solutions and can be excellent alternatives to conventional furnaces and air conditioning.

Insulation Services

We believe that insulation is an extremely vital part of a proper home regimen. It holds the temperature and your energy bill in check. Our insulation services will keep your heat inside during winter and outside during summer, making your home more energy-efficient and comfortable year-round.

Why Radiant Plumbing & Air Conditioning?

  • Expert Team
    We have a team of well-experienced and certified technicians who are experts in this field. Not only that, but they are committed to providing you with top-of-the-line quality service and an assurance that every job is done to your full satisfaction.
  • Customer Satisfaction
    We are fully devoted to ensuring customer satisfaction. From the time you hit the call button to the time we close the garage door, everything will be seamless and stress-free. Our vision is to exceed your expectations and build a long-lasting relationship with our customers.
  • Availabilities
    Heating and cooling emergencies don’t follow regular business hours, and neither do we. Our emergency service is available 24/7, so you can trust that we will be there when you need us.
  • Full-Service Solutions
    From emergency repairs to routine maintenance and new installations, we have all your heating, cooling, and plumbing services covered. There is no job too big or small for us.

Now Serving the Greater San Antonio Area

Proudly serving San Antonio, along with a large list of many other neighbouring cities, our reach has guaranteed, no matter where you are within our area, you can rely on, and count on, Radiant Plumbing & Air Conditioning – San Antonio to be at your door prepared with a quick and professional response.

Contact Us Today!
Ready to experience the Radiant difference? Get in touch today to schedule your service or learn more about our comprehensive heating and air conditioning solutions. Simply call (210) 294-6703 or use our contact form to get in touch with us quickly. Your comfort is our priority, and we look forward to serving you!

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.

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