In very simple terms, your air conditioner works by taking heat from inside the house and sending it outside. … As the temperature of the air decreases, your AC doesn’t have to work as hard. In short, misting devices increase your AC’s cooling capacity and efficiency.

Should I put a sprinkler on my AC?

Cornell says the evaporating water will help it cool and suggests turning on a sprinkler near your outdoor unit to be sure the entire unit is drenched. “That will give you a couple extra degrees of cool,” he said.

Can I spray my AC unit with water while running?

Air conditioning maintenance is important to keep it running well. You can spray water on your AC condenser. Some people may doubt the safety of this task, but it is a safe and recommended service.