how much electricity does water cooler use?
3. With timer, cold and hot water = 1.9 kWh/day. The water cooler used 1.9 kilowatt-hours in a 24 hour period, which equates to about 693 kilowatt-hours ($166.00) per year. The water cooler was using power for 6 hours and 28 minutes of the 24 hour period.