HEATING & A/C REPAIR IN SAN ANTONIO

Stay Comfortable Year-Round with Expert Heating & A/C Service from Radiant

  • Certified Technicians
  • Quick Repairs
  • Emergency Service
  • Quality Service

Available 24/7

Get fast, reliable home services from San Antonio’s #1 home services company – Radiant® Plumbing & Air Conditioning.

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210-294-6703

No Payments, No Interest For 6 Months on a New A/C System

210-294-6703
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Expires:  09/30/2025

Disclaimer

Subject to credit approval. 8.94% APR based on 0.00% promotional interest rate for 6 months (“Promo Period”) followed by fixed interest rate of 9.99% for 120 months based on the amount financed and other amounts owed. Monthly payments are not required during the Promo Period. For example, assuming the full credit limit is used on loan approval date and no payments are made during Promo Period, for every $1,000 financed, 6 monthly payments of $0.00 at an interest rate of 0%, followed by 120 monthly payments of $13.21 at a fixed interest rate of 9.99%. This example is an estimate only. Actual payment amounts based on amount and timing of purchases. Call 866-936-0602 for financing costs and terms.
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Upgrade Your Home Cooling

Financing Options Available

No matter the season, our San Antonio HVAC experts are here to ensure your home remains the perfect temperature. For all your climate control needs in San Antonio, turn to Radiant® Plumbing & Air Conditioning. Our expert technicians provide prompt and reliable heating and A/C services year-round. From fixing furnace malfunctions to optimizing cooling systems, we ensure your home stays comfortable. Serving neighborhoods like Alamo Heights and Universal City, we are your trusted partner for HVAC services in San Antonio, delivering peace of mind and comfort.
210-294-6703

The Radiant Difference

Discover The Radiant Difference

With a legacy of excellence, guaranteed satisfaction, and thousands of happy customers, experience the unmatched Radiant difference in every service.

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210-294-6703

Robert L.

Eric and his supervisor from Radiant Plumbing were awesome. Very nice and informative about teaching me about my HVAC system and how to maintain and improve my existing system. They were very professional and friendly. Would definitely recommend them for anyone looking to maintain, repair, or upgrade their existing systems.

Jet B.

Joseph and Jason were awesome! They were able to identify the faulty and worn out components quickly and efficiently. They did a thorough inspection on each bathroom and had the replacement parts on-hand to complete the repairs. Thank you Radiant for your superb customer service and excellent tech’s training and professionalism!!

Ash M.

John and Joey from Radiant Plumbing were prompt, kept me in the loop, and efficient in replacing our water heater.

I don’t recall her name, but the woman who scheduled the appointment was also very helpful and had a calming voice during a stressful time

Dennis M.

The tech was very honest , sincere and knew his chosen field. Gave many suggestions about our furnace and a/c. Would call him back if needed. Very professional.

Dyan A.

Jason and Joe were great. I have used this company before and love their service. They were quick and informative about my water softerner issues. This is a company that I know I will reach out to for all my plumbing needs in the future. Thank you guys!

Jamie L.

Troy is a great AC technician, he came out and inpected our unit. Once he was done, he has pictures of what needed repair and took his time to explain what needed to be fixed. Very professional!!! Thank you Troy

Corinne B.

Jason helped with our toilet leak and replacement. He explained everything very well and detailed with photos since I was not there to have it explained in person. Great service, thanks!

5-Star Service

Real Reviews

With thousands of real reviews from satisfied customers across San Antonio, Radiant Plumbing stands as a beacon of reliability for plumbing and air conditioning systems. Specializing in HVAC, furnaces, water heaters, and leak detection, our services ensure homes remain comfortable and efficient year-round. Count on our skilled technicians to deliver top-notch repairs, installations, and maintenance, backed by genuine customer feedback. From Alamo Heights to Shavano Park and beyond, trust Radiant for unparalleled heating and plumbing solutions that exceed expectations.

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Radiant Branches

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. 

Austin, TX

  • 901 Reinli St.
    Austin, TX 78751
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San Antonio, TX

  • 10927 Wye Dr, Suite 102
    San Antonio, TX 78217
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Financing

We can offer you financing when for big repairs or sudden emergencies.
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Specials

View the latest special offers for plumbing, A/C, and heating repair in San Antonio.
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Blog

Advice on how to maintain your home systems as well as the latest news about Radiant!
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Guarantee

Explore the Radiant Guarantee for unwavering commitment to premium service, quality, and reliability.
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