To save water while waiting for hot water, you can cluster the tasks that require hot water so it doesn’t have to send a new batch every time. Even better, insulate your home’s water pipes or switch over to a tankless system.
Showers typically use less water than baths, but only if the bather doesn’t linger under the spray for too long and if he has a newer model — that is, more efficient — shower head.
It may not be at the top of your list of priorities, but you still need to know how to look after your water heater. What are the signs you need to look out for that indicate your water heater isn’t happy with you?