Air Conditioner or Air Cooler: Which Suits Your Room?

An air conditioner uses refrigeration to remove heat and usually expels it outdoors. An air cooler uses water evaporation to add a breeze and works best with fresh air circulation.

Choose air conditioning for controlled room cooling, especially in humid conditions. An air cooler may suit a ventilated space where you want a direct breeze.

Neither is automatically healthier. Keep filters and reservoirs clean, ventilate the room, and avoid uncomfortable cold or excess dampness.

Usually not for lowering the temperature of a sealed room. An evaporative cooler is most useful near the user with fresh air; air conditioning cools the room itself.