QuickCheck: Is it cheaper to leave the air-conditioner on all day?

The Star Malaysia · NIKLAS ALBAKRI · 2026-11-05 08:00 UTC

A "MONEY-saving" tip doing the rounds online claims that leaving an air-conditioner running all day costs less than only turning it on when needed and switching it off when no one is in the room.

A "MONEY-saving" tip doing the rounds online claims that leaving an air-conditioner running all day costs less than only turning it on when needed and switching it off when no one is in the room.

The reasoning is that the unit guzzles electricity because it has to cool the room again.

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