Q: Recently, I’ve noticed my hot water heater making an unusual noise that I’ve never heard before, and I’m not sure if it’s serious. Why is mywater heater noisy, and should I be worried about it? A: ...

So I have a space heater to help make my cold apartment a little more bearable. Unfortunately, whenever it is on, I hear a faint buzzing noise if I get close to the back of the computer or the back of ...