Do you charge for service calls?

It's a $69 service call, and it's waived with any repair. A licensed tech comes out, diagnoses the issue, and gives you a written price before any work begins. You only pay if you approve the repair.

How much does a new AC system cost in San Antonio?

Most San Antonio homes land between $6,800 and $9,600 for a complete new AC system installed by Carnes and Sons, with financing available on approved credit. High-efficiency 16–20 SEER2 systems run $9,000 to $13,500. Where you land depends on the size of your home, the brand you pick and how efficient a system you want.

Do you offer financing on AC installation?

Yes. We offer financing through Synchrony Financial on qualifying new system installations. Monthly payment depends on the system you choose and your credit terms.

Are you family-owned?

Yes. Carnes and Sons is owned by Clint Carnes, who has 28+ years in HVAC. Clint still answers the phone himself — no call center — and the family is still in the field every week.

What areas do you serve?

We serve San Antonio and the surrounding communities including Stone Oak, Boerne, Helotes, Alamo Heights, New Braunfels, Schertz, Cibolo, Fair Oaks Ranch, Shavano Park, The Dominion, and Hollywood Park.

Are you licensed and insured?

Yes — Carnes and Sons is a fully licensed Texas HVAC contractor (TACLB29435E), BBB-accredited, and a Carrier Factory Authorized Dealer.

A little heating & cooling help from our family

November coupons · Book by Nov. 30, 2026

FREE

One free AC or heating service visit

AC or heating visit · Written price before any work

$500 off

A brand-new high-efficiency AC or heating system

New Goodman AC & heating systems—and more

$50 off

Get your comfort back

AC & heating repairs · Coils, compressors, capacitors & motors

* Discounts cannot be stacked or combined with other discounts.

Just mention the coupon when you call or text. Book by November 30; your visit can happen later. The free visit is one-time, with no repair purchase required. See coupon details

Family-Owned · San Antonio Since 2010

A More Neighborly Way to Stay Cool.

Q: Do you charge for estimates?

No. In-home estimates on new AC systems and replacements are completely free in the San Antonio area. We'll size the system, walk you through your options, and give you a written price — no pressure, no fee.

San Antonio families deserve honest AC repair, AC installation, furnace and heater repair, and AC replacement advice — not sales pressure. Air conditioning all summer, heating when the cold fronts hit. We try to repair before recommending replacement, and we'll help check your warranty before you spend a dollar.

Honest AC repair, AC installation and furnace repair for San Antonio families. We repair before we replace.

Same-day help when possible. AC or heat — if your system can't be repaired immediately, we may be able to provide temporary portable cooling or heating so your family stays comfortable.

"If we wouldn't do it in our own home, we won't do it in yours."

Clint Carnes · Founder

4.999+ San Antonio neighbors served on Google

Text Us for Service Call (210) 600-5091

Quotes & second opinions by phone or text. A visit isn't always needed — get a ballpark from us before anyone comes to the house.

"I trained my boys the same way I was taught: show up, be honest, fix it right. If we wouldn't do it in our own home, we won't do it in yours."

Clint Carnes

Founder & Lead Technician

Where to next?

Most homes $6,800–$9,600

Free In-Home Estimates
Same-Day Service
Family-Owned Since 2010
No-Pressure, Repair-First

Emergency Cooling Help

No family should sleep hot.

If your system can't be repaired the same day, we may be able to provide temporary portable cooling while we help you find the best next step. Because in a San Antonio summer, your family's comfort can't wait.

Text Us — We're Here to Help (210) 600-5091

The Carnes Commitment

We try to repair before we ever recommend replacing.

We treat your home like our own. That means honest diagnostics, transparent options, and helping your family stay comfortable — not pressure to buy a new system.

Repair-First Philosophy

If your system can reasonably be repaired, we'll explain your repair options first. New systems are a last resort, not a sales target.

Warranty Research

We'll help check whether your equipment may still qualify for manufacturer coverage — so you don't pay for parts that should already be covered.

Portable AC Loaners

Waiting on a part or a full install? When available, we provide temporary portable cooling — because no family should sleep hot in a San Antonio summer.

Same-Day Service

Most repair calls handled the day you call. Fast response, quick diagnostics, and a real technician — not a call-center handoff.

Family-OwnedSince 2010 · TACLB29435E

What You Get

Full-service AC and heating for San Antonio homes — done right the first time.

$69 service call waived with repair

AC Repair in San Antonio

Same-day diagnostics — limited slots each day.

Learn More

Most homes $6,800–$9,600

AC Replacement & Installation

Goodman or Carrier. Most installs start by 9 AM and we're done by 5 PM — our core crews have been with us 10+ years.

Learn More

$69 service call waived with repair

Furnace & Heating Repair in San Antonio

Furnace and heat pump repair. Honest diagnosis, no upsells.

Learn More

$250/yr

AC Maintenance & Tune-Ups

2 tune-ups a year, $39 member service calls, 15% off all repairs.

Learn More

Meet the Carnes Family

Family-owned since 2010 — same standard on every truck.

Clint Carnes

Founder & Lead Technician

Decades of hands-on experience. Your home gets the same care I'd give my own — that's the only standard I know.

Jonathan Carnes

Senior Technician

Your go-to for high-efficiency systems and tough diagnostics. I trained him to find the real problem, not just the expensive one.

Joshua Carnes

IT & Marketing

Keeps everything running behind the scenes so we can focus on what matters — keeping your home comfortable.

Benjamin Carnes

Warehouse & Logistics

Makes sure the right parts are ready before every job — so your repair or install stays on schedule.

Learn More About Us

Why Families Choose Us

Family-Owned & Operated

Family-owned and owner-led. Clint and his sons are still in the field every week.

Experienced Pros

Service techs and install pros, many with us over 10 years. Real skills, real experience, real accountability.

$69 Service Call

Waived with any repair. Written price before any work — you only pay if you approve the repair.

Repair Payment Options

Unexpected AC repairs can be stressful. Flexible repair payment options may be available to help keep your home comfortable without the financial pressure.

Explore Financing Options →

What Your Neighbors Are Saying

Common Questions

Straight Answers, No Runaround

The stuff San Antonio homeowners actually ask before they call.

No — in-home estimates on new AC systems and replacements are completely free in the San Antonio area. We'll size the system, walk you through options, and give you a written price with no pressure and no fee.

See all FAQs →

Need AC Service? Talk to Clint.

Honest service, fair prices, every time — you deserve nothing less.

Text the Owner

By texting us, you consent to receive reply messages from Carnes and Sons Air Conditioning. Msg & data rates may apply. Reply STOP to opt out. Privacy Policy · Terms.