When you have a bath or a shower, how is your water heated? For most people, the answer is likely to be either that you have a hot water tank that stores the water for when you need it, or central heating that provides hot water as and when there is a need for it. But are there any alternative ways that you could power your hot baths and showers? After all, we’re always being urged to do what we can to use less energy and be kinder to the environment – but giving up our nice warm baths isn’t…



