Have you ever experienced the lack of hot water? Water heating is a thermodynamic process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating. This is why water heaters are the most important part of your household plumbing system and they require proper maintenance. How can you tell that your water heater may need servicing? There are few signs you should pay attention to. If your water looks rusty, has an odor or heats slower, you hear unusual noises, if you see water leaking, it’s time to call for help.