Helotes, TX

Trust Your Helotes Home to the Experts in Plumbing & HVAC

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

Plumbers & A/C Repair

Experience Excellence in Home Solutions

Experience Home Comfort Like Never Before with Radiant San Antonio—your local Helotes experts in plumbing and HVAC services. From precise leak detections to efficient A/C and furnace repairs, our skilled professionals are committed to enhancing your home life with reliable solutions and unmatched quality. Trust us to deliver excellence and make your home maintenance worry-free. Partner with us today and feel the difference in your Helotes home!

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 Helotes, 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

Unlock effortless home maintenance with Radiant Care Club. This is your ultimate solution for consistent comfort and care of your home. Join our membership for peace of mind with expert, regular plumbing and HVAC services, like routine upkeep to 24-hour emergency repairs. With scheduled visits and expert technicians dedicated to keeping your systems flawless, you can relax and enjoy year-round peace of mind. Subscribe to Radiant Care Club today, and let us handle the details while you focus on life’s important moments.

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.

Helotes TX

Discover Exceptional Home Services with Radiant San Antonio

At Radiant San Antonio, we understand that your home is your sanctuary. That’s why we offer a full suite of plumbing, heating, and cooling systems services designed to enhance the comfort and efficiency of your living space. Our skilled team specializes in both urgent repairs and planned installations, delivering quality results that you can trust.

Comprehensive Plumbing and HVAC Solutions

Whether you’re facing urgent plumbing issues like slab leak repairs or sewer line maintenance, or you need tankless water heater installations to improve your home’s energy efficiency, Radiant San Antonio plumbers have the expertise to handle it all. Our plumbing services are designed to ensure seamless functionality and prevent future problems, with options ranging from sump pump repairs to routine plumbing maintenance. On the HVAC front, we understand the importance of a reliable heating and cooling system. We provide a broad range of services including furnace tune-ups, heating maintenance, and air conditioning services. Our team is adept at handling heat pump maintenance and installing new evaporative cooling systems, ensuring your home remains comfortable regardless of the season.

Emergency Services and Routine Maintenance

Unexpected issues can arise at any moment, which is why Radiant San Antonio offers 24-hour plumbing services and emergency HVAC repairs. We’re here to ensure that emergencies don’t disrupt your daily life more than necessary. In addition, our routine maintenance services can help prevent these crises from occurring, giving you peace of mind all year round.

Quality Service You Can Depend On

Radiant San Antonio prides itself on a foundation of trust and reliability. Our team is committed to providing not just services, but solutions that enhance your home’s efficiency and comfort. We use only the highest quality materials and the latest technology to ensure that every repair, installation, and maintenance service is performed to the highest standards.

Contact Us Today

Experience the difference with Radiant San Antonio. Our team is ready to assist with any plumbing or HVAC challenge you face. Contact us today to learn more about our services or to schedule a consultation. Transform your Helotes home with the help of a team that cares about your comfort and satisfaction.