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Aircon Not Cooling? Here’s What’s Really Going On

Home Deltec News & Insights Aircon Not Cooling? Here’s What’s Really Going On

It’s one of those small frustrations that can turn any drive into a sticky situation — you hop in, start the car, crank the A/C… and all you get is lukewarm air. Sound familiar? You’re not alone. As the weather heats up, “car aircon not cooling” becomes one of the most common complaints our Deltec technicians hear — especially from Cape Town drivers gearing up for summer road trips.

But before you rush for another quick regas, let’s talk about what’s really going on under the hood — and how to fix it properly the first time.

When Your Aircon Stops Cooling, It’s Usually Not Random

If your A/C suddenly feels weaker or takes longer to get cold, that’s your vehicle’s way of calling for help. Modern car aircon systems are sealed units, which means if refrigerant is low, there’s usually a reason.

At Deltec Batteries, we’ve seen everything from slow leaks to electrical faults causing poor cooling. The trick isn’t just topping up the gas — it’s finding the why behind the problem. Because if you only regas, you’re masking a symptom, not curing the issue.

Tip: If your aircon hasn’t been serviced in the last 12 months, it’s due for a professional check-up before the summer rush.

The Real Culprits Behind Weak Cooling

Every aircon failure tells a story. Here are the most common culprits Deltec technicians uncover during inspections:

1. Low Refrigerant or Leaks

The most frequent cause of poor cooling is low refrigerant. It’s not something that simply “runs out” — it’s lost through leaks, seals, or tiny cracks in the system. Deltec’s service includes a vacuum and extraction process to remove old refrigerant, moisture, and air before regassing. That means your system is reset and ready for accurate refilling.

2. Dirty or Blocked Condenser

Over time, dust, bugs, and road debris clog the condenser, restricting airflow and reducing cooling performance. During a Deltec service, our technicians clean these critical components, helping your system breathe again.

3. Compressor or Clutch Problems

Your compressor is the heart of the system — if it’s failing, you’ll often notice weak airflow or strange noises. Deltec runs compressor performance tests and checks clutch engagement to ensure this vital component is working efficiently.

4. Electrical or Sensor Issues

Today’s vehicles rely on multiple sensors to engage the A/C. A faulty relay or sensor can prevent the compressor from even starting. Using advanced diagnostics, Deltec pinpoints and repairs these often-overlooked electrical issues.

Why a Quick Regas Isn’t Always Enough

Many workshops advertise fast regassing — but without fault-finding, it’s like refilling a leaking bucket.

At Deltec, every aircon service includes a complete system inspection before regassing. We remove old gas and moisture, pressure test for leaks, replace aircon oil, and only then refill refrigerant to your vehicle’s exact manufacturer specifications.

The result? Colder air, smoother performance, and a system that lasts much longer.

Special Deal: Stay Cool for Less with Deltec’s Aircon Regassing Offer

Here’s the cool part — literally.

Right now, Deltec Batteries is offering Aircon Regassing starting from just R399. This includes:

  • Professional extraction and vacuuming to clear moisture and old gas
  • Precision refill based on your car’s specific A/C system
  • Oil replacement for smoother compressor performance

Whether you’re prepping for a summer road trip or just want to survive Cape Town traffic without breaking a sweat, this deal gets you refreshed and ready for the season.

“Beat the summer rush — book your regassing service from R399 at Deltec today and drive off feeling cool, calm, and collected.”

Inside Deltec’s Aircon Service Process

Transparency builds trust — and Deltec’s aircon process is as thorough as it gets.

Step 1: Fault Finding & Diagnosis

We inspect pressures, check for leaks, and test system response.

Step 2: Extraction & Vacuuming

This removes old refrigerant and trapped moisture — essential for proper cooling.

Step 3: Regassing to Manufacturer Specs

Every vehicle make has different requirements. We refill accurately to avoid over- or undercharging.

Step 4: Oil Replacement & Final Test

We replace the system’s oil for lubrication and perform a final performance test to make sure everything runs optimally.

Signs You Need an Aircon Service

You don’t have to be an expert to know when something’s wrong. Look out for:

  • Weak or uneven cooling
  • Strange noises when the A/C is on
  • Musty or sour smells
  • Fogging windows or inconsistent airflow
  • More than a year since your last service

If any of these sound familiar, it’s time to schedule your next appointment — before a small issue becomes a costly repair.

Keep Your Cool with Deltec

Whether your aircon just needs a recharge or a full diagnostic, Deltec’s skilled technicians have you covered. With a special regassing offer from R399, there’s never been a better time to get your car summer-ready.

So before you hit the road, make sure your comfort isn’t left behind.

👉 Book your aircon service at Deltec today — where staying cool is our specialty.

About Deltec Batteries

At Deltec Batteries we do more than sell batteries, we are a dynamic, forward-thinking company at the forefront of robust, efficient energy solutions – At home. At work. On the road – Wherever life takes you.

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