Appliances are a bit of a pickle, because with energy efficiency alone you can save so much money on running costs by upgrading.
In fact, you can save so much energy that at least one utility I've had over the years has a program to pay people to replace appliances, because it turns out that's cheaper than new power generation and transmission.
In fact, you can save so much energy that at least one utility I've had over the years has a program to pay people to replace appliances, because it turns out that's cheaper than new power generation and transmission.