Would you have known?
After heating, the production of hot water is the second biggest energy guzzler in the household. So if you want to save energy in the long term, you should reduce your hot water consumption.
Showering and washing hands consumes a lot of water and energy. However, hot water consumption also affects our operating costs in apartments and houses. This is because the more hot water is used, the more the costs for water and energy increase. So it pays to save here!