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Johnny's AutomotiveJohnny's Automotive
Winter Haven, FL

Heating And AC Repair at our Winter Haven shop

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

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Winter Haven, FL5100 Dundee RoadBook a time online
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Where to find our Winter Haven shop

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

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 Heating And AC Repair 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 Still Blowing Hot Air After a Recharge?

What the customer reported

The vehicle's air conditioning system was blowing hot air despite having been recharged twice earlier in the year.

What we found and did

The technician discovered that the air conditioning system was contaminated with R-134 refrigerant, which was not compatible with the system's required R-1234YF refrigerant. The team performed a complete evacuation of the contaminated refrigerant and refilled the system with the correct R-1234YF refrigerant. They also added a UV dye to the system to assist in detecting any potential leaks during future inspections.

Result

The air conditioning system was restored to proper working order, providing cool air once again.

Pro Tip

If your AC requires frequent recharges, it might be a sign of a refrigerant leak. Adding UV dye during service can help locate leaks early, saving you from more costly repairs later.

Our team

Our Team

September 2026

Why Is My Car's AC Blowing Hot on One Side?

What the customer reported

The vehicle's air conditioning system was blowing hot air, initially starting on one side, despite having the refrigerant refilled.

What we found and did

The technician found that the system had no refrigerant and required further investigation for potential leaks. The team at our Winter Haven shop connected AC equipment, evacuated the system to remove contaminants, and verified system pressures and refrigerant levels. They charged the AC system with the correct amount of refrigerant and oil, added a UV dye for leak detection, and replaced the low side Schrader valve.

Result

The AC system was restored to proper functionality, blowing cold air again.

Pro Tip

If your AC starts blowing warm air, it might be due to a refrigerant leak. Adding UV dye can help locate leaks early, preventing costly repairs down the line.

Our team

Our Team

August 2026

Why Is My AC Only Cold While Driving?

What the customer reported

The vehicle owner reported that the air conditioning was not working properly. Cold air would only blow when the car was in motion, and sometimes the A/C worked better when it wasn't hot outside.

What we found and did

The technician found that the A/C system was completely empty of refrigerant, which indicated a potential leak. The team evacuated the system to remove any contaminants and recharged it with the proper amount of refrigerant and oil. They also added a UV dye to help detect any leaks in the future.

Result

The A/C system was restored to full functionality, blowing cold air even when the car was idle.

Pro Tip

If your A/C only blows cold while driving, it might be low on refrigerant due to a leak. A quick recharge can restore cooling, but finding and fixing leaks will ensure long-term reliability.

Our team

Our Team

August 2026

Why Does My AC Stop Blowing After 30 Minutes?

What the customer reported

The vehicle owner reported that the air conditioning system stopped blowing air after 30 minutes of driving, even though the compressor had been replaced last week.

What we found and did

The technician performed an initial assessment and determined that further testing was needed to identify the issue. The team removed and replaced the A/C evaporator temperature sensor, which was likely causing the system to stop blowing air after a period of operation.

Result

After replacing the sensor, the air conditioning system functioned normally, providing consistent airflow during extended drives.

Pro Tip

If your A/C stops blowing air after running for a while, it might be a faulty temperature sensor. Replacing it early can prevent discomfort and avoid more costly repairs.

Reviews

What Winter Haven customers say about our heating and ac repair work

Having issues with my A/C and came here for the diagnostic for it. Waiting lobby is the best I've ever seen in an auto shop. Pleasant and friendly staff with extraordinary knowledge that is easy to understand without a chemistry set. Did not have the work done which was a personal decision not based on them at all. Also I received 2 roses at the end which was a first and brightened my day!! Ill be coming back for sure with my other vehicles soon.

Florida Sod Ace

Verified Google Review

You honestly pay for the awesome quality of service they provide (mechanical & customer service)!!! I came in for an AC issue and after a week, no complaints or problems thus far! I also appreciated the through inspection they did on my little Chevy; I’m truly thankful to them for helping me get my car back on track :)

Victoria IX

Verified Google Review

Thank you for being gracious and for communicating so well. I felt confident leaving my vehicle with you guys while you worked out the AC issue. You guys are First Class!

Jason Parsons

Verified Google Review

I needed a aux battery for my vehicle and Johnny's was able to get me in right away. I had been to the building when it was Ron's, boy has it changed. The place is immaculate. There is seating in the ac for waiting ,as well as a drink and munchies if you desire.The installation of my second battery didn't seen to take long at all,which means they know what they are doing as they are a pain in the butt to replace. The price was reasonable too. When I left there on my dashboard was a carnation. What a nice touch.I think they are going to be my go to.

Connie B

Verified Google Review

Ac service

Nancy Willett

Verified Google Review

Had my AC repaired very quickly. Gr3at customer service, very friendly and ptofessional. Thank you.

Joseph Dyer

Verified Google Review

FAQ

Heating And AC Repair in Winter Haven: questions answered

Answered by our licensed technicians serving Winter Haven.

Can you just add refrigerant and see if it holds?

We can, and sometimes that's the right call on a system that's only slightly low with no evidence of a leak. But if the system lost enough to stop cooling, it lost it somewhere, and refilling it without finding that spot means paying for the same refrigerant twice. We'd rather look first and tell you what it will take.

How do you find a leak you can't see?

Three ways, usually in this order. Refrigerant carries oil with it, so the first pass is looking for the oily film a leak leaves on fittings, hoses and seals. Then an electronic detector, which picks up traces at the joint itself. For slow leaks we add UV dye, run the system, and bring the car back under a black light so the leak has time to mark its own location.

Is the water dripping under my car normal?

If it's clear water under the passenger side after the AC has been running, that's condensation coming off the drain tube and it's exactly what should happen in this humidity. What isn't normal is that water showing up inside on the carpet, or a puddle that's colored, slick or sweet smelling. Bring those in.

Does the AC need servicing on a schedule?

We don't sell a recharge on a mileage interval, because a sealed system that's cooling properly doesn't need one. What is worth doing is checking vent temperature and the cabin filter during a regular inspection, so a slow loss gets caught while it's still cheap. If a system needs refrigerant every year to stay cold, the honest answer is that it's leaking every year.

Should I run the AC during the cooler months?

Yes, and it costs you nothing to do it. The compressor's seals stay lubricated by refrigerant oil circulating through the system, and a system that sits unused all winter is more likely to weep at those seals. Running the defroster does it automatically on most vehicles, since the AC compressor runs in defrost mode to dry the air.

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