I agree with the principle, I merely suggest caution in the interpretation
My washer and dryer did indeed come with energy consumption labels, here in AU we have a star rating.
I worry that I may have inadvertently become involved in a topic that may require intervention at some point, but let me try to be as objective as possible. In the case of the washing machine we purchased, it has a fairly ordinary rating, of two stars. (Other washers can go up to six, I think.) This is based on energy usage if used every day, with a
warm wash. However, most of our washing is done with a
cold wash. When you look at the ratings more closely, you see that the warm wash uses 500 (ish) kWh/year, whereas the cold wash uses 57kWh/year. So with our
actual usage, the machine that I bought is (or seems to be, based on the numbers I have available to me) MORE efficient than a higher rated "5 star" machine, but which doesn't actually do a cold wash (like the front loader we had until recently).
Suppose this energy rating system extended to
everything. I bought another power tool today, a cordless jigsaw. I have no idea if it's more or less efficient than any other model since there's no rating on it, but suppose that it was rated. Should I choose a cordless jigsaw based on its energy rating? Surely anyone can see that it makes no sense, since the TOTAL energy usage would be less than ... well, who knows, but let's say 0.01% of the dryer or washer. So buying a cordless jigsaw that is TWICE as efficient makes absolutely no difference, relatively speaking.
Where do audio amplifiers fall in this? I dunno, I've never worked it out.
