In Panama, turning on the air conditioner is almost as automatic as turning on the lights.
A hot evening. Humidity fills the room. You press the remote control, and within seconds cool air begins to flow.
It feels like the air conditioner is “creating cold”.
But that’s not what it actually does.
Instead, it removes heat from your room and moves it outside.
Many people believe air conditioners create cold air.
In physics, cold is simply the absence of heat.
So the job of an air conditioner is simple:
remove heat from indoors and release it outside.
Every split air conditioner has four main parts:
- Compressor
- Condenser
- Expansion device
- Evaporator
Between them circulates refrigerant.
Refrigerant is a special fluid that easily changes between liquid and gas.
This phase change is what makes cooling possible.
The process begins inside the room.
1️⃣ Evaporator
The indoor fan moves room air across the cold evaporator coil.
The refrigerant inside boils and turns into gas.
When liquid turns into gas, it absorbs heat.
That heat comes from the room air.
2️⃣ Compressor
The refrigerant gas travels to the outdoor unit.
The compressor squeezes the gas, raising its pressure and temperature.
3️⃣ Condenser
The hot gas passes through the condenser coil.
The outdoor fan blows the heat away.
The refrigerant condenses back into liquid.
4️⃣ Expansion valve
The liquid then passes through an expansion device.
Pressure drops.
Temperature drops.
The refrigerant is now cold again and ready to absorb more heat.
The cycle repeats.
This cycle can repeat thousands of times every day.
As long as the system stays clean, sealed, and properly maintained, it can work efficiently for many years.
But when coils become dirty or refrigerant is lost, efficiency drops quickly.
An air conditioner doesn’t create cold.
It simply moves heat from inside your home to the outside world.
And the easier that process is, the better your system performs.
In Panama’s climate, understanding how your AC works is the first step to keeping it efficient.
24Clima — we know how heat travels through your air conditioner.
