Washing machine: a wash load at 30°C consumes 3 times less energy as against a wash load at 90°C, and washing with cold water consumes double the amount less than washing at 40°C.

In bright weather, put your laundry out to dry in the sun, its free!
Dish washer: one wash utilises between 10 to 15 litres of water (less than the quantity used if washed by hand) with the new dish washers, if it is full. 80% of the energy consumed by a dish washer helps to heat water.

Weedoo's suggestion:
Why not directly use hot water produced by your solar panels ? To achieve this you will need the technology of WIRECOM in order to avoid a situation without any hot water for a bath, watch out for our forthcoming offers...