How to calculate power consumption ?

Refrigerator energy use calculator
How you would know whether you have to buy a more energy-efficient fridge that will probably cost more money? You have to estimate the fridge energy consumption over its lifetime. A fridge may cost you more money when you buy it but it can reduce at the same time your electricity bill… or not!

Washing machine power consumption calculator
Washing machine power consumption depends on its electrical consumption but also on its water consumption. It also depends on how you use it (high duty cycles, washing temperature…). Here are 3 simulations...