Skip to main content
Johnny's AutomotiveJohnny's Automotive
Winter Haven, FL

AC Diagnosis at our Winter Haven shop

Bring it to our Winter Haven shop and we'll handle the ac diagnosis. Here's where to find us, when we're open, and how to book a time.

Call Now
Winter Haven, FL5100 Dundee RoadBook a time online
Step 1 of 2

How can we help?

Tap the closest match.

When works best? (optional)

Visit us

Where to find our Winter Haven shop

Address, hours, and directions for the shop that handles your ac diagnosis.

Address

5100 Dundee Road
Winter Haven, FL 33884

Shop phone

(863) 949-2995

Hours

Monday
7:30 AM to 5:30 PM
Tuesday
7:30 AM to 5:30 PM
Wednesday
7:30 AM to 5:30 PM
Thursday
7:30 AM to 5:30 PM
Friday
7:30 AM to 5:30 PM
Saturday
Closed
Sunday
Closed

Recent AC Diagnosis Work in Winter Haven

Real jobs completed by our team in the Winter Haven area

Our team

Our Team

September 2026

Why Is My AC Blowing Hot Air?

The Problem

The vehicle's air conditioning was not working, causing discomfort during drives.

What We Found

The technician found that the AC system was completely devoid of refrigerant, which is essential for cooling.

The Fix

The team at our Winter Haven shop performed an AC service, which included connecting AC equipment, evacuating contaminants, and recharging the system with the proper amount of refrigerant and oil. They also added a UV dye to help detect any potential leaks in the future.

The Result

The AC system was restored to proper functionality, providing cool air once again.

Pro Tip

If your AC starts blowing warm air again, it might indicate a leak. Returning for a UV dye inspection can pinpoint the issue before it worsens.

Our team

Our Team

August 2026

Why Is My Car's AC Blowing Warm Air?

The Problem

The vehicle owner experienced warm air blowing from the car's air conditioning system.

What We Found

The technician found that the AC system had 0.00 lbs of refrigerant, indicating a complete lack of freon.

The Fix

The team evacuated and recharged the R134A air conditioning system, ensuring the correct refrigerant and oil levels were restored. They performed a leak test and added a UV dye to help identify any potential leaks in the future.

The Result

The AC system was restored to proper function, providing cool air once again.

Pro Tip

If your AC starts blowing warm air again, return to the shop quickly. The added UV dye helps locate leaks easily, preventing more expensive repairs later.

FAQ

AC Diagnosis in Winter Haven: questions answered

Answered by our licensed technicians serving Winter Haven.

How fast can you tell me what's wrong?

Most AC diagnostics are a same-visit answer, since vent temperature, pressures, compressor engagement, and airflow all get checked in one sitting. The thing that takes longer is a leak small enough that it needs time to reveal itself. We'll tell you which of those you have before you head out.

Is it worth diagnosing if it still cools a little?

Yes, and that's the easier version of this problem. A system that's partly working still gives readings we can interpret, and it usually has a smaller repair in front of it than one that's completely dead. Waiting until it quits entirely rarely makes the job cheaper.

Should I run the AC on the way in?

If you can, yes. Drive it the way you normally would with the AC on so the system arrives in the state you're complaining about. A car that shows up cold and switched off takes longer to read, and a warm running system is closer to real conditions anyway.

What does the write-up actually tell me?

Which side of the system is at fault, refrigerant, electrical, or airflow, then the specific part and the measurements behind that call, with photos of what we found. If more than one thing is wrong, you'll see them listed separately instead of lumped into one number.

My car has a lot of miles on it. Still worth diagnosing?

Usually, because the answer often isn't the expensive part. Blend doors, blowers, fans, switches, and connections account for a fair share of warm-air complaints on older vehicles. You won't know which one you've got until somebody measures it.

Request an Appointment

Step 1 of 2

How can we help?

Tap the closest match.

When works best? (optional)

ASE Certified Technicians

ASE certified techs working on your vehicle

Flexible Drop-Off Hours

Convenient service options

20+ Years

Decades of trusted service

Schedule now