If your air conditioner isn’t cooling like it used to, there’s a good chance it could be low on refrigerant. And no, refrigerant doesn’t just “run out” over time like fuel. If your system is losing it, that usually means there’s a leak somewhere, and it needs to be checked out.
Here are the most common signs to look for:
1. Your AC Isn’t Cooling Properly
This is often the first red flag. You turn on the AC, expect that nice rush of cold air, and…nothing. If your unit is blowing air that’s not as cold as it should be, or if the room is staying warm no matter how long it runs, that could be a refrigerant issue. Low refrigerant means the system can’t absorb and release heat like it’s supposed to, so your space stays hot, no matter how long it runs.
2. It’s Taking a Lot Longer to Cool the Room
Even if it’s still producing some cold air, a unit that’s low on refrigerant will need more time and effort to bring the temperature down. So you might notice it running longer than usual, or even non-stop, just to reach the temp you set. Not only is it annoying, but it’s also driving up your energy usage.
3. Hissing or Bubbling Sounds
Refrigerant leaks often make noise, especially if the leak is coming from a small hole in a coil or line. Hissing is the sound of gas escaping, while bubbling usually points to a leak in the liquid line. These sounds aren’t always super loud, but if you hear anything out of the ordinary when your AC is running, don’t ignore it.
4. Ice on the Coils or Outdoor Unit
This one surprises a lot of people. If your AC is low on refrigerant, it can mess with the pressure and temperature balance inside the unit. That can cause moisture in the air to freeze on the outdoor compressor or on the evaporator coils. You might see visible frost or ice buildup, which isn’t normal and definitely not good for the system.
5. Unexplained Spike in Your Electricity Bill
When your AC isn’t working efficiently, it has to work harder to do the same job. This means it uses a lot more power. If your electricity bill suddenly goes up, and nothing else has changed in your home, your aircon might be running overtime to compensate for low refrigerant levels. Definitely something worth getting checked.
6. Short Cycling
Short cycling is when your unit turns on and off more frequently than usual. This can happen when the system is under strain, trying to keep up with cooling demands but failing to hit the target. It’s hard on the unit and often leads to more serious problems if it’s not sorted out.
What to Do Next
Refrigerant issues aren’t something you can fix yourself. You need a licensed technician to:
- Confirm the leak
- Get it repaired properly and professionally
- Ensure the unit is recharged with the right amount of refrigerant
Topping it up without fixing the leak is just a short-term band-aid, and it can end up damaging your compressor if left too long. Our technicians at JC Refrigeration Cape are more than equipped to handle any air conditioning and refrigeration issues you might run into.
This Is How We Do A Proper Leak Detection In The Workshop
The Bottom Line
If your AC is suddenly underperforming, making strange noises, or costing you more to run, a refrigerant leak could be the reason. Catching it early can save you from a full system breakdown (and a much bigger repair bill). Don’t ignore the signs, call JC Refrigeration Cape and get it checked before it gets worse.
Remember, autumn is around the corner, and it is advisable to get your air conditioning units checked out before the cold strikes!