We Answer the Call

The San Antonio Plumbers You Can Trust

Get started with our hassle-free online booking or call today at 210-294-6703.
Radiant Plumbing and Air technician standing in front of parked work trucks

Technicians Available 24/7

Plumbing Expertise Built for San Antonio Homes

San Antonio homes aren’t one-size-fits-all—and your plumbing service shouldn’t be either. At Radiant Plumbing & Air Conditioning, we bring local knowledge and decades of experience to every job. From aging cast iron lines in historic districts to high-pressure slab systems in new developments, we know the quirks of San Antonio plumbing inside and out. Our licensed plumbers don’t just fix problems; they explain them, giving you clear options and honest recommendations. We respect your time, your budget, and your home, arriving clean, prepared, and ready to do it right the first time. Whether it’s a small leak, a full repipe, or an emergency repair at 2 a.m., we’re here when you need us—backed by 24/7 service and a reputation San Antonio homeowners count on.

5-Star Service

San Antonio Trusts Radiant—Here’s Why

Awards & Accreditations

Award-Winning Plumbing, Recognized by Experts

Radiant Tech Fixing Bathroom Sink

Radiant Care Club

Worry-Free Plumbing Starts Here

Say goodbye to surprise leaks and last-minute plumbing emergencies. The Radiant Care Club is San Antonio’s trusted home maintenance plan—designed to keep your plumbing system in top shape year-round. As a member, you’ll receive an annual plumbing check from one of our licensed experts, trained to catch small issues before they become expensive headaches. We’re talking water pressure tests, fixture inspections, drain checks, and more—all done with the precision and care Radiant is known for.

Plus, members skip the dispatch fee, enjoy 10% off most plumbing services, and get priority scheduling—even during peak season. Whether you live in a 1920s bungalow or a new build out past Loop 1604, the Care Club helps protect your investment and your peace of mind.

It’s one less thing to worry about—and one more way Radiant earns your trust every day.

Home Comfort Guarantee

We Earn Your Trust—Every Time

When you invite Radiant into your home, you deserve more than just a quick fix—you deserve a promise. That’s why every plumbing, HVAC, and drain service we provide in San Antonio is backed by our Home Comfort Guarantee. We start with upfront pricing—no hidden fees, no surprises. Every technician is licensed, background-checked, and held to the highest standard of workmanship and care.

If you’re not 100% satisfied, we’ll make it right. And if we can’t? We offer a 10% inconvenience refund up to $1,000. From leak repairs and drain clearings to full HVAC installs, we stand behind every job—because our work isn’t done until your comfort is guaranteed.

When you choose Radiant, you’re not just choosing a service provider. You’re choosing a team that shows up, follows through, and earns your trust—every time.

A picture from the front of a Radiant Box Truck at sunset

Call or Schedule Your Service Online!

Keeping San Antonio Homes Running Right

Radiant Service Area

Lone Star Locals

Radiant Plumbing & Air Conditioning operates across Austin and San Antonio, keeping over 10,000 homeowners happy with home repairs, installations, and maintenance.

Need Help? Get the Best in Home Services.