Question

Why should air cooler be kept higher up in the room and not down like heaters

Answer 1

Answer:

Cool air is heavier then hot air so it moves downwards. If a cooler is placed at a very low place then it will only cool the floor and not the whole room and the heater is placed at down places because hot air being lighter moves upwards, thus warming both floor and room.

HOPE THIS HELPS YOU ✌️