When your AC struggles in the South Texas heat, you need more than a quick fix—you need a technician who knows San Antonio homes inside and out. At Radiant Plumbing & Air Conditioning, we bring decades of experience to every AC repair, from aging units in historic neighborhoods to modern systems in newer builds. We understand the toll that humidity, hard water, and long cooling seasons take on your system—and we know how to fix it fast.
Our licensed professionals don’t just swap parts—they diagnose problems with precision and explain your options clearly. With 24/7 availability, upfront pricing, and a satisfaction guarantee, Radiant makes it easy to stay cool and confident, no matter the forecast.
From thermostat issues to full system breakdowns, we’ve seen it all—and we’re proud to be the team San Antonio homeowners trust to get it right the first time.
Your AC works hard in San Antonio—and it deserves expert care to keep it running strong. That’s where the Radiant Care Club comes in. As a member, you’ll receive two seasonal tune-ups each year: one before the summer heat hits and another before heating season begins. Our licensed technicians clean, inspect, and optimize your HVAC system to prevent breakdowns, improve energy efficiency, and extend equipment life.
You’ll also enjoy priority scheduling, no dispatch fees, and 10% off most HVAC services. Whether you’re running a heat pump or a traditional system, our team keeps it in peak condition—so you stay cool in August and warm in January.
It’s proactive care designed for San Antonio’s extreme seasons, backed by the quality and service Radiant is known for.
At Radiant Plumbing & Air Conditioning, we believe great work should come with a great promise. That’s why every AC repair in San Antonio is backed by our Home Comfort Guarantee. We start with transparent pricing—no surprises, no hidden fees. You’ll get a clear quote before any work begins, and we’ll stick to it.
Our HVAC technicians are licensed, background-checked, and trained to meet the highest standards. If you’re not fully satisfied with our service, we’ll do everything we can to make it right—or we’ll offer a 10% inconvenience refund, up to $1,000. We even follow up with internal quality checks on major installs to ensure long-term performance.
We fix it right the first time. And if something goes wrong? We’ll be back—at no charge—to make it right. That’s our promise to every San Antonio homeowner who trusts us with their comfort.
Leaks, clogs, or full system fixes—our licensed San Antonio plumbers are ready 24/7 with trusted, professional service you can count on.
No cool air? No problem. Radiant’s AC experts in San Antonio bring fast repairs, honest answers, and year-round comfort.
Burst pipe or backup at 2 a.m.? Radiant’s emergency plumbers are standing by in San Antonio—ready to fix it, fast and clean.
Hot water troubles? Radiant repairs tank and tankless water heaters across San Antonio with expert care and upfront pricing.
Clogged drain? Gurgling tub? Our San Antonio drain cleaning pros clear it fast—no mess, no chemicals, no stress.
Tired of hard water? Radiant installs and repairs water softeners that protect San Antonio plumbing and keep things running clean.
Radiant Plumbing & Air Conditioning operates across Austin and San Antonio, keeping over 10,000 homeowners happy with home repairs, installations, and maintenance.
Radiant is Austin’s #1 plumbing and air conditioning home repair specialists. Call today to schedule your service!
Trusted for home services and repairs by thousands of Texans since 1999. Enter your zip code for information about services in your area.
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