A noisy water heater is not uncommon, in fact, it can be extremely annoying, especially if the tank is located in your living space. Some of the noises that you hear could indicate a problem, and others may not be anything to worry about. If your water heater is making noise, you should diagnose the problem.
Chances are you’re here because your water heater is making some weird noises. We get all kinds of calls about weird water heater noises, ranging from water heaters whistling, to water heaters sounding like they’re full of rocks, and yes, we even get calls about water heaters sounding like hissing snakes. If your water heater is making a hissing noise and you don’t know why, you’ve come to the right place!