Seguin, TX

All Year Comfort With Plumbing & HVAC Specialists

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

Plumbers & HVAC Contractors

Stay Comfortable in Seguin with Reliable Plumbing and HVAC Services

At Radiant, we pride ourselves on delivering unmatched expertise and reliability across all our services. Our certified technicians in Seguin, TX, are experts in plumbing, heating, and cooling installations, repairs, and maintenance. With a commitment to excellence and a focus on long-lasting solutions, we ensure your home systems operate efficiently and reliably, making us the trusted choice for homeowners who value quality and professionalism.

Radiant Offers

Special Offers and Coupons

$50 Off Any Service

Expires: 12/31/2026

Up To $250 Off A New Tank Water Heater

Expires: 12/31/2026

$99 Water Heater Flush and Safety Check

Expires: 12/31/2026

$83 Drain Clearing or It’s Free

Expires: 12/31/2026

A/C Tune-up $79

Expires: 04/30/2026

Available 24/7

Plumbing & HVAC Services in Seguin, TX

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.

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Just Call Radiant.

Expert Repairs, Honest Service, No Guesswork

Straight answers, solid work, and a team that follows through with no runaround and no guesswork.

Serving Austin & San Antonio

Trusted by homeowners across Austin and San Antonio for reliable plumbing and HVAC work, built on decades of consistent service and long-term relationships.

Scheduling Around You

Flexible appointments with weekend availability mean you’re not stuck waiting around for us, we show up when we say we will.

Honest Pricing, No Guesswork

Upfront recommendations and transparent pricing, with no pressure, just clear options so you can make the right call for your home.

Backed by our Home Comfort Guarantee, just one more reason to call Radiant.

Home Maintenance Plans

Radiant Care Club

Experience premium home maintenance with Radiant Care Club in Seguin, TX. Our exclusive membership program offers year-round maintenance for your HVAC and plumbing systems, ensuring peak performance and efficiency. With Radiant Care Club, you’ll enjoy priority service, discounts on repairs, and scheduled maintenance visits, all backed by our expertise and satisfied customers.

Seguin homes require specialized care to withstand local challenges. With Radiant Care Club, rest assured your heating, cooling, and plumbing systems are expertly maintained. Our certified technicians conduct thorough inspections, routine maintenance, and address issues promptly. Join today for peace of mind, and let us care for your home, while you focus on what matters most.

Call or Schedule Your Service Online!

210-294-6703

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.

Seguin TX

Radiant Keeps Your Home Comfortable Year-Round with Top-Tier Services

Radiant® Plumbing & Air Conditioning has built a reputation over the past 24 years for providing top-quality HVAC and plumbing services in Seguin, TX. Our extensive range of services is designed to ensure that your home systems operate efficiently and reliably. Here’s a look at how we can serve your home or business with our expert services.

Premier Heating and AC Services

Heating Services: Whether you need a new furnace installed, an old heating system replaced, or prompt repairs, Radiant has you covered. Our heating services include the installation and repair of furnaces, heat pumps, and boilers, ensuring your home stays warm during the cooler months. Our team is also skilled in heating replacements in Seguin, TX, offering the latest energy-efficient models that improve comfort and reduce utility bills. Air Conditioning Services: Stay cool and comfortable with our comprehensive air conditioning services. From routine AC tune-ups to keep your system running at peak efficiency to full AC replacements with the newest technology, we ensure you beat the Seguin heat. We also provide specialized air duct maintenance to improve your system’s efficiency and air quality.

Expert Plumbing Solutions

Water Heater Services: Hot water is essential for both comfort and convenience. Radiant offers a full suite of water heater services, including new installations, replacements, and emergency repairs. Whether you’re interested in traditional water heaters or modern, energy-efficient tankless options, we provide customized solutions based on your specific needs. Water Softener Installation and Maintenance: Hard water can be a nuisance and damaging to your home appliances. We install high-quality water softeners in Seguin, TX, to tackle hard water issues, extending the life of your plumbing systems and appliances while improving water quality. General Plumbing Services: From leaky faucets to burst pipes, our expert plumbers in Seguin, TX, handle all types of plumbing issues. We offer emergency plumbing services around the clock to address any sudden problems swiftly and effectively. Our regular plumbing maintenance ensures that your system remains in top condition, preventing future issues and extending the lifespan of your plumbing infrastructure.

Indoor Air Quality and Maintenance

Air Quality Solutions: In Seguin, TX, maintaining indoor air quality is crucial for health and comfort. Radiant provides advanced solutions, such as air purifiers and regular maintenance services, to keep the air in your home clean and breathable. Our air quality experts assess your needs and recommend the best products and practices to improve your indoor environment. Duct Inspections and Cleaning: Maintaining clean air ducts is crucial for the health and efficiency of your HVAC system. We offer comprehensive duct inspection and cleaning services to residents of Seguin, TX. Regular duct maintenance removes dust, allergens, and other pollutants from your air, significantly improving the quality of the indoor air you breathe. Our skilled technicians use the latest tools and techniques to ensure your ductwork is thoroughly cleaned, enhancing the overall air flow and efficiency of your air conditioning system. This not only contributes to a healthier indoor environment but also helps in reducing your energy costs by ensuring your HVAC system operates at peak efficiency.

Why Choose Radiant Plumbing & Air Conditioning?

Experience and Reliability: With over two decades of service, Radiant is a trusted name in Seguin for HVAC and plumbing needs.

Comprehensive Systems’ Range: From heating and cooling to plumbing and air quality, we handle it all.
Customer-Centric Approach: Your satisfaction is our priority, and we strive to exceed your expectations with every job.
Local Expertise: Our deep understanding of Seguin’s specific needs ensures tailored solutions for your home or business.

Trust Radiant for all your HVAC and plumbing needs in Seguin, TX. Contact us today to schedule a service or learn more about how we can help you maintain a comfortable and efficient home.