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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.
Thousands of Austin and San Antonio residents have trusted Radiant Plumbing & Air Conditioning as their full-home service provider for all their maintenance and repair needs. Discover our others services – like air conditioning and plumbing.
We proudly service the following cities and neighborhoods across San Antonio, TX:
Not seeing your area? Give us a call at 210-294-6703
When San Antonio heat bears down, your AC isn’t a luxury; it’s a lifeline. Radiant delivers fast, transparent, and precision air conditioning repair that keeps families comfortable and small businesses running. Our licensed technicians understand local homes and light commercial spaces, from classic bungalows in Alamo Heights to spacious attics in Alamo Ranch. When you call Radiant, we’ll arrive with a fully-stocked truck, diagnose issues right the first time, explain your options clearly, and stand behind every repair.
San Antonio’s climate puts cooling systems through marathon workloads. Long stretches in the upper 90s and 100s overheat attic ducts and strain outdoor condensers; we check airflow, static pressure, and insulation so your repair actually solves the root cause. Cedar and oak allergy seasons make indoor air quality a priority—media filters, UV, and coil cleaning help your system breathe and your family feel better. Spring storms and summer surges can take out capacitors and control boards; we add surge protection and verify grounding to protect your investment. For light commercial, we service package units and split systems with minimal downtime and code-clean documentation.
Air conditioning repair isn’t our only specialty. Check out some related services we offer in San Antonio:
From no-cool calls and refrigerant leaks to blower failures and thermostat glitches, Radiant restores comfort with premium parts, clean workmanship, and clear communication. Residential or light commercial, we’ll keep your AC efficient, quiet, and reliable, season after season. Need dependable AC repair in San Antonio? We Answer the Call.
