The question of just how much energy does a particular appliance or electronic device use is a valid one. For one thing, if you’ve got some cash for a green upgrade why not invest that money in the best most energy saving option?
The U.S. Department of Energy offers the following calculation…
Formula for Estimating Energy Consumption
“(Wattage × Hours Used Per Day ÷ 1000 = Daily Kilowatt-hour (kWh) consumption
(1 kilowatt (kW) = 1,000 Watts)
Multiply this by the number of days you use the appliance during the year for the annual consumption. You can then calculate the annual cost to run an appliance …read more