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San Antonio HVAC & Plumbing Experts

San Antonio homeowners count on Radiant Plumbing & Air Conditioning for honest, high-quality plumbing and HVAC repairs, installations, and maintenance.

Call 24/7

Licensed technicians, guaranteed
service - even on weekends!

Home Comfort Guarantee

We stand behind the HVAC,
plumbing, electrical, and drain
work we do on your home.

No Surprise Fees

Clear, upfront pricing with no
hidden fees, even for weekends
and holidays.

Easy Financing Options

Enjoy no interest when
paid in 6 months.

Available 24/7

San Antonio Heating, Cooling, & Plumbing

The Radiant Difference

Expertise and Integrity at Work: Home Repairs by Radiant

At Radiant, we set new benchmarks in home care excellence. From your first call to our final follow-up, our expert technicians are committed to ensuring your complete satisfaction and earning your trust with every step

Decades of Excellence in Home Services

Since 1999, homeowners in Central Texas have relied on Radiant for top-tier plumbing and HVAC solutions. Our longstanding presence in Austin and San Antonio underpins our deep commitment to quality and customer satisfaction.

Dependable, Flexible Scheduling

Your time is valuable. That's why we offer flexible scheduling options to fit your life, not the other way around. Whether it’s an emergency or routine maintenance, our 24/7 availability ensures that we are always there when you need us.

Transparent Pricing

At Radiant, we believe in solving your problems without pushing unnecessary services. Our transparent pricing and honest service approach are why thousands of customers have trusted us for over two decades, celebrating our integrity in countless reviews.

San Antonio Plumbing & AC

Trusted Home Repair, Done Right

Reliable plumbing and HVAC service for San Antonio homeowners. From AC repair to essential plumbing work, Radiant Plumbing & Air Conditioning delivers accurate diagnostics, dependable solutions, and workmanship you can trust.

SAN ANTONIO SERVICE AREA

Greater San Antonio & Beyond

We proudly service the following cities and neighborhoods across San Antonio, TX:

Not seeing your area? Give us a call at 210-294-6703

Deals & Offers

HVAC, Drains, & Plumbing Specials

$99 Furnace Tune-Up

Expires: 01/31/2026

$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

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.

San Antonio Plumbing & HVAC

Your Reliable San Antonio Experts in Plumbing, Heating, & Cooling

Radiant Plumbing & Air Conditioning provides dependable home services throughout San Antonio and surrounding areas. From routine repairs to urgent plumbing and HVAC issues, our local teams are equipped to serve South Texas homes with precision, care, and professionalism.

Plumbing Services

Our licensed plumbers handle a wide range of residential plumbing needs across San Antonio and nearby communities.

Drain Cleaning & Clog Removal

Slow drains and recurring clogs are common in South Texas homes. We provide professional drain cleaning to restore proper flow and help prevent future plumbing issues.

Water Softener Systems

Hard water is a widespread concern throughout the San Antonio region. We install and service water softener systems designed to protect plumbing, improve water quality, and extend the life of household appliances.

Air Conditioning & Heating

San Antonio’s extended cooling seasons place heavy demands on HVAC systems. Our technicians provide reliable air conditioning and heating repairs focused on accurate diagnostics and long-term system performance.