I was surprised when I plugged my 20″ iMac into an “energy meter” to see that it only burns less than 70 Watts when in normal operation (screen not dimmed, Airport turned on, browsers VMWare open). I borrowed one today and played around to see how much various devices consume (like my Canon printer in idle mode) and just how energy efficient are “energy efficient light bulbs“.To cut the long story short, energy efficient light bulbs really are energy efficient.
Canon inject printer iP4300 consumes 0 Watt when in idle mode (it probably consumes more, but so small, that the energy meter does not detect it).
An interesting observation about light bulbs though: normal, healthy energy efficient light bulb takes a bit to warm up. During that period, it consumes less energy that it’s supposed to when “warm”. I also have a bit “overused” energy efficient light bulb (was frequently turned on/off for short periods of time) and interestingly enough, it consumes more power when “warming up” (an 11Watt light bulb consumes 15-17 Watts when warming up), but then (after 1 min apx) drops to 10-11 Watts. Thought someone else might find that bit of information useful.
