You might be an EcoRenovator if...
... You first buy an Arduino to help you track/lower your energy consumption, then you search for a more efficient power supply to power it.
Swapping a 12V 0.4A wallwart for a 9V 1A unit reduced usage from 2.5W to 1.5W
... You buy the most efficient refrigerator, then
do what you can to reduce its consumption.