Fan would not work and it was 9 years old. Thought it was time so I replaced the fan and capacitor but still have the humming noise. Fan will still not kick on. Blows cool but not cold inside. Any suggestions?

So do you guys have any other ideas of what can be causing this issue? - Furnace fan blowing when AC on. - From the AC Unit outside you can hear a hum coming out of the compressor and you can hear a click coming out of it once in awhile. - The Fan of the AC Unit is not moving at all. Is...

We recently turned on our heater at our house we just purchased this summer. When we turned it on and the fan kicks on, there is a deep low humming sound that you can almost feel when you are at the top of the stairs. Any ideas?

Can a plastic ceiling fan box make a fan hum real bad. I have five fans on the same type plastic box an only one is humming real bad. We have installed new fan an it hums too. Also we took fan from other room an installed it an it hums on this same plastic box. Would a metal box be better?

I have recently replaced a ceiling fan with light kit with a newer model. I hooked up the wires from the new fan/light to the same wires in the ceiling box that the old fan was hooked up to. There are two switches on the wall plate, one for the light and one for the fan. When I hooked up the new...