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Air Con or an Air Cooler: How to Choose Between Them

Air con suits active room cooling; an evaporative cooler provides a water-assisted breeze. Check the room, humidity and installation before settling on either.

The “air con or air cooler” decision is easiest when you separate the cooling mechanisms. Air con uses a refrigeration system to remove heat; a water-based air cooler relies on evaporation and moving air. A fan may feel pleasant on your skin without changing the room temperature in the same way.

Air Con or an Air Cooler: How to Choose Between Them

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Questions before you buy

Is air con better than an air cooler?

Air con is the closer fit when your goal is lowering room temperature; an air cooler may suit a personal breeze where added moisture is acceptable. Room conditions and installation affect the choice.

Will an air cooler lower the room temperature?

An evaporative cooler can lower the temperature of its outgoing airflow, but its effect on the whole room varies with humidity, ventilation and the unit. It does not provide the same control as air conditioning.

Does an air con unit need an open window?

A portable air conditioner usually needs its hot-air exhaust routed outside, commonly through a window kit. Fixed systems follow their installation design.

Can I run an air cooler with windows shut?

Follow the manual. Evaporative systems add indoor moisture, so adequate air exchange is important to move humid air out.