AUTO AIR CONDITIONING & HEAT REPAIR

Auto A/C & Heat Repair Specialists in Louisville, KY

Comfort isn’t just about staying cool in the summer or warm in the winter. It’s about trust in your car and the people who care for it. At Barnes Auto Service in Louisville, we bring over 40 years of experience to every A/C and heater repair, blending advanced diagnostics with the personal care of a family-run shop. Our team takes pride in quality service, honest communication, and doing what’s right for every customer. If your HVAC system isn’t keeping up, let us help you get back to a drive that feels just right.

Safe, Clear, and Comfortable:Why Climate Control Can’t Wait

An underperforming A/C or heater isn’t just uncomfortable, it’s a problem that can affect your visibility, cabin air quality, and even your electrical system. A faulty defroster can limit your view of the road, while refrigerant leaks may lead to compressor failure and costly repairs.

Prompt HVAC service ensures:

Safer driving through proper defrosting and demisting
Better fuel efficiency and performance from a properly functioning system
Protection of major components like your compressor and blower motor
Cleaner air through proper filtration and humidity control

“The difference between good and great? Just a little extra effort.”

– Biggie Munn

Signs You Need Auto A/C or Heater Repair

Not sure what’s wrong? Here are some of the most common signs your car needs HVAC service:

Weak or no airflow from vents
Only warm or cold air, regardless of settings
Strange smells when using A/C or heat
Loud noises when the HVAC system is on
A/C compressor not engaging
Windows fogging up without defrosting or clearing
Coolant or refrigerant leaks near the dashboard or engine bay

If you notice any of these, our ASE-certified team will pinpoint the issue and recommend the right repair, never more, never less.

Our Comprehensive Auto A/C & Heater Repair Services

We provide full-service climate control diagnostics and repairs for all vehicle types, including domestic, European, Asian, hybrid, and diesel models.

HVAC Diagnostics

Using OEM-compatible scan tools and pressure testing, we evaluate airflow, refrigerant levels, blower motor function, and electrical signals to determine exactly what’s wrong.

Heater Core & Blower Motor Repair

Lack of heat could mean a failing heater core or blower motor. We inspect and replace components as needed to ensure you stay warm all winter long.

A/C Recharge & Leak Detection

If your refrigerant is low, we’ll locate the leak, repair it properly, and recharge the system to factory specifications.

UV dye and electronic leak detection
Evacuation and recharge with recovery
A/C system performance testing

Compressor, Condenser & Evaporator Core Service

We inspect, test, and replace everything from failing compressor clutches to clogged or leaking evaporator cores and condensers. If your A/C is weak or uneven, we’ll track down the root cause and fix it right the first time.

Cabin Air Filter Replacement

Improve airflow and air quality with a clean, high-efficiency filter, especially important for allergy-prone passengers or dusty commutes.

R1234YF, R134a, or R12? We Handle Them All

At Barnes Auto Service, we’re equipped to service all major refrigerant types:

R1234YF – The new standard in refrigerant, this eco-friendly option offers lower environmental impact and meets modern EPA requirements. We use dedicated equipment to safely service your R1234YF system and maintain factory performance.
R134a – Still widely used in many vehicles, we continue to offer R134a recharges, repairs, and retrofits using manufacturer-recommended practices.
R12 (Older Vehicles) – For classic car owners, we offer careful R12 service or can convert your system to a modern refrigerant for better longevity.

With certified technicians and proper handling protocols, your HVAC system is in trusted hands, regardless of what it runs on.

Customer-FriendlyAmenities

Maggie gives these extras two paws up.

Text-to-Pay

24-Hour Drop-Off & Pick-Up

Waiting Room with Free Wi-Fi – Pet Friendly

CFNA Financing Options

Towing Partner: Advantage Towing – (502) 749-2233

10% Discount for First Responders, Teachers, Nurses, Police & Military

Trusted by Generationsfor Honest HVAC Repair

When it comes to auto A/C repair in Louisville, we don’t just do the job—we do it better. Here’s why local drivers turn to us:

Award-Winning Technicians

With 3 ASE Master Techs, a team fully ASE-certified, and national recognition from Auto Value and Alliance Connect, we bring certified expertise to every repair.

Easy, Stress-Free Experience

Drop off anytime, pay by text, relax in our pet-friendly lobby, or get financing through CFNA. We make it easy to get back on the road comfortably.

Complete Refrigerant Coverage

We’re one of the only local shops servicing all three refrigerant types, R134a, R1234YF, and legacy R12, providing top-tier A/C repair no matter what system your vehicle uses.

Backed by Warranty and Community Values

Most HVAC services come with a 24/24 nationwide warranty. We’re BBB A+ rated, named Neighborhood Favorite, and proud to support local causes that uplift our community.

Tools You Can Trust, Service You Can Feel

We combine dealership-level diagnostics and BG performance products with an independent shop’s transparency, honesty, and pride in workmanship.

Easy, convenient payments with no credit card processing fee

Get comfortable in every season with stress-free payment options.

We are the bestOf The Best

Don’t just take our word for it—see why we’re Louisville’s top-rated auto shop! Check out our reviews and hear from satisfied customers who trust us to keep their vehicles running smoothly.

Book Auto A/C or Heater Repairin Louisville, KY Today

When the seasons change, your car’s comfort systems shouldn’t leave you stuck. At Barnes Auto Service, we offer trusted A/C and heater repairs to keep your vehicle ready for any forecast. Stop by 3800 Bishop Lane, Louisville, KY 40218, call us at 502-966-8644, or book online at barnesautoservice.com.

We proudly serve Fern Creek, Middletown, St. Matthews, Mt. Washington, Prospect, Crestwood, Audubon Park, and drivers throughout Louisville. As always, we believe the difference between good and great is just a little extra effort, and that’s what we deliver every time.