Window and room air conditioners use a lot of electrical energy, which can lead to less than maximum efficiency or even a total failure.

1 Make sure the device is plugged in and the switch is on. Make sure the thermostat is set to "cold" and below room temperature.

2 Make sure the electrical outlet works with a voltage tester or by plugging in a working lamp (only for standard voltage models - don't plug a lamp into a 220/240 volt socket!) To learn more about testing a socket,…

1. All praises and thanks be to Allah, Who (Alone) created the heavens and the earth, and originated the darkness and the light, yet those who disbelieve hold others as equal with their Lord.

2. He it is Who has created you from clay, and then has decreed a stated term (for you to die). And there is with Him another determined term (for you to be resurrected), yet you doubt (in the Resurrection).

3. And He is Allah (to be worshipped Alone) in the heavens and on the earth, He knows…