Lekker, so your aircon is on, but it’s… not really doing its thing. Maybe it’s blowing a weak breeze, or the lounge is still hot half an hour after you switched it on. Ja, we’ve all been there. The thing is, ACs usually don’t just die—they drop hints if you’re paying attention. If your AC is not cooling, it’s time to investigate the signs of AC not cooling. Remember, AC not cooling can be a sign of bigger issues.
At CoolFlow Air Conditioning, we see it all the time. People wait until it’s 35°C, the kids are whining, and the AC is groaning like it’s given up, before they call us. Catch the signs early, and you save cash, hassle, and a whole lot of stress.
So, here’s how to tell when your aircon needs some TLC
Your AC doesn’t just stop working overnight—it usually gives you signs that it’s struggling. Keep an eye out for these common issues, especially if you notice your AC not cooling, before they turn into a full-on breakdown. Remember, if your AC is not cooling, it’s crucial to act fast.
If your AC is not cooling, it can lead to discomfort during the hot summer months. Understanding why AC not cooling can happen is essential for timely repairs.

1. Weak or barely-there airflow
You switch it on, step away for a sec, and the breeze is basically a whisper. Not exactly the Arctic experience you were hoping for.
Could be:
-
- Dusty or clogged filters
-
- Coils full of gunk
-
- A fan struggling to spin
-
- General old-age wear and tear
Weak airflow is your AC basically saying, “I can’t breathe properly here.” A quick air conditioning service Sandbaai can usually get it moving again—like a breath of fresh air.

2. Takes forever to cool
You’re sitting with a cold drink, AC on full blast, and 20 minutes later… still melting. Frustrating, hey?
When your AC is not cooling efficiently, it’s essential to identify the root cause promptly. Ignoring the signs of AC not cooling can lead to more significant problems.
Common culprits:
-
- Low refrigerant (aka AC gas running low)
-
- Dirty coils
-
- The compressor is working too hard
-
- Blocked airflow somewhere in the system
This is one of the main reasons our Fisherhaven clients call for AC repair Fisherhaven. One proper service, and suddenly your lounge is cool again. Magic.
Clients often report issues like AC not cooling due to low refrigerant levels or dirty coils. Regular maintenance can prevent situations where your AC is not cooling.

3. Weird smells or noises
Turn it on and… what’s that smell? Or that knocking sound? Or maybe a hissing noise?
Could be:
-
- Mould or damp inside
-
- Electrical bits overheating
-
- Loose parts rattling around
In Bishopscourt, we sometimes even check if the AC was installed properly in the first place. A quick air conditioner installation Bishopscourt check can prevent a whole lot of headaches later.
If your AC is not cooling, checking for mould or dampness inside the unit can be crucial. These issues can compromise its efficiency.

4. Bill shock
Your electricity bill jumps, and you’re like: “Whaaat?” AC could be working overtime to cool your house, and that’s why it’s guzzling power.
Reasons:
-
- Dirty filters
-
- Blocked airflow
-
- Low refrigerant
-
- Overworked system in general
If you’re googling AC repair near me Bishopscourt, this is usually why. Quick maintenance often sorts it.

5. Water leaks or damp patches
A little condensation is fine, but water dripping inside your house? Not okay.
Look out for:
-
- Drips from the indoor unit
-
- Damp walls or floors
-
- Pools of water outside
-
- Musty smell
Don’t ignore it. Water damage can ruin walls, floors, and even electrics systems. Sort it sooner rather than later.
Don’t wait until your AC is not cooling to take action. Addressing leaks and damp patches promptly can save you from costly repairs.

6. Smelly vents
If your AC smells like a damp basement or dusty cupboard when it starts, time for a clean.
Often caused by:
-
- Mould or bacteria inside
-
- Filters that haven’t been changed
-
- Blocked drainage pipes
A proper service clears it up and makes your house feel fresh again. Big win for your sanity.

7. Little quirks
Sometimes it’s just the small stuff:
-
- AC takes ages to switch on
-
- Noise changes during the day
-
- Certain rooms are hotter than others
Annoying, but usually fixable. Don’t wait until it turns into a bigger drama.

Wrap-up
Listen, your AC doesn’t need to break down before you do something. Weak airflow, slow cooling, strange smells, leaks, and higher bills—these are all screaming for attention.
If you’re experiencing AC not cooling, consider reaching out for professional help. Timely intervention can ensure your comfort.
Regular maintenance keeps it running smoothly, lasts longer, and saves you money. And hey, South Africans know how the heat hits hard—don’t wait until you’re sweating buckets to sort it out.
You can contact us, or a quick call to CoolFlow Air Conditioning is all it takes. Friendly, local, reliable—keeping your home cool and comfortable all year round. Lekker, right?
When summer heat strikes, an AC not cooling can be a nightmare. Make sure to contact us for reliable service and solutions.
Contact Us
-
- Phone/WhatsApp: +27 78 772 0455
-
- Email: info@coolflowaircon.co.za