Fixed today — fairly priced.
Family Owned4.9 ★“I answer the phone and meet you in person.”
Clint Carnes, Owner · San Antonio
Helping San Antonio families get comfortable again — without being upsold to a new system.
Talk directly with the owners. We'll give you an exact installed price — no pressure.
*$89 diagnostic waived with any repair. Upfront flat-rate pricing before we touch a tool.

Clint personally shows up to every replacement estimate — no commissioned salesperson, no call center. Every install and service tech on our in-house crew is trained to Clint's standard, so the team at your home is held to the same standard as the family name on the truck.
$200–$600
Big-name repair companies pad your bill with commissioned techs and high overhead. We're family-owned and flat-rate — most repairs land hundreds less than the big guys quote. You owe it to yourself to call us before paying. What do you have to lose?
"My wife and I needed a new AC system in March and we interviewed several other AC companies in San Antonio and without a doubt, we made the right choice. We couldn't be happier with the service we received from Carnes And Sons AC. From the very beginning, Clint was professional, honest, and focused on providing the best solution at a fair price. Clint offered an excellent deal without any high-pressure sales tactics, which immediately earned my trust. The Hector and Dorian arrived exactly on time, communicated clearly throughout the process, and completed the work efficiently and professionally. What impressed me most was their integrity—and workmanship! They both genuinely cared about doing a great job rather than simply installing equipment and just leaving. Both Hector and Dorian were polite and courteous throughout the installation process. Clint's personal attention and customer service was outstanding. He treated us like a valued customer, took the time to answer all my questions, and made sure we were completely satisfied with the installation and performance of our system. He texted me throughout the installation to give me updates. It's refreshing to find a company that combines great competitive pricing, exceptional workmanship, reliability, and true customer care. I highly recommend Carnes And Sons to anyone looking for HVAC services. They have earned my trust and future business. Tony and Dela Valdez"
Tony Valdez
Verified review
"I purchased a new AC unit from Carnes and Sons and I couldn't be more satisfied. Carnes and Sons is a family owned and operated business. If you need a new AC or and existing AC repaired, at a fair price, I can guarantee you won't find a better company to do business with than Carnes and Sons. I have had several encounters with Johnathan Carnes and he is outstanding! Don't be fooled by his age. This young man is knowledgeable, courteous, and trustworthy. If you want to do business with a company that has strong ties to the community then don't hesitate to give them a call."
Curt Wiley
Verified review
"Carnes and Sons installed a brand new AC/Heater system in my house after my old unit gave out. They did a fantastic job with the install and had me up and running in only a couple days. I got quotes from around 8 vendors and they were significantly cheaper for the brand and high end unit that I wanted installed. They were legitimately the cheapest option I got quoted despite them providing the highest end unit. Other companies were quoting me 2-8k more for similar systems or quoting the absolute most basic AC system and still changing more. Do yourself and wallet a favor and give them a call. I also spoke directly with the owner several times during the quote process and he was always extremely helpful in addressing any questions I had as I was deciding which company to choose. Once the install was complete they handled setting up the inspection and did the product warranty registration making everything a very smooth and easy process."
Derek Meilinger
Verified review
"We bought a new HVAC system from Carnes and Sons at a very reasonable price. Clint was very helpful from the beginning to the end. Gave us all our options. The technicians that came out and installed we're polite, punctual, professional, and very informative of everything they were doing. When they were done, they made sure everything was very clean and ask us if there were any questions that they could help us with. We would strongly recommend this company to friends and family."
CINDY & MARK
Verified review
"Carnes and Sons was excellent from start to finish. Clint, the owner, is top notch, and that showed when his son came out to look at my system. He didn’t come in trying to sell me a new unit. He took the time to troubleshoot the problem, work through different repair options, and do everything he could to see if the system could be fixed first. After exhausting those options, I made the decision to replace it. Throughout the process they were honest, professional, and easy to work with. I never felt pressured, and I appreciated that they took the time to explain my options and let me make the decision that made the most sense. Two days later I had a new system installed and was back comfortable in the SATX heat. Hard to find that kind of service and integrity these days. Good people, solid work, and a company I’d absolutely recommend to anyone needing HVAC service."
K S
Verified review
"Carnes & Sons has helped me replace two AC units now over the past couple of years. Clint and his team have always been very responsive, knowledgeable and follow through on what they say they will do. They have stood behind their service and products and are the only HVAC company I'll use."
Jose Galindo
Verified review
AC giving you trouble? One of our techs will come out, diagnose the real problem, and quote you a flat-rate price in writing before any work starts. No pressure. No upsell. No obligation.
Call Clint. Text Clint. You'll talk to an owner — not a call center or a commissioned salesman. We'll diagnose the real problem and give you a flat-rate price before any work starts.
Calls and texts answered by an owner — never a call center.