Is the bathroom exhaust fan motor covered by the warranty?

Check whether the surface of the coil has abnormal performance, use a multimeter to detect the grounding resistance, beyond the range there may be problems, moisture or insulation damage, use the meter to measure the coil resistance, do not pass to indicate that there is a breakpoint, the humidity in the bathroom is relatively large, may be mildew.

Bathroom exhaust fans have special ducts. You take a closer look. Or ask about the property.

Bathrooms are all required to install exhaust fans.

Whether the bathroom should be equipped with an exhaust fan, depending on the situation, some bathrooms themselves have windows to ensure ventilation, so you can not install them, or if you don't mind, of course, you can not install them.

If you are going to buy the exhaust fan, go to the market and read the manual of that model, there are mounting holes, and make holes according to the size of this mounting hole, because the size of the mounting holes is different, and there is no unified specification. It's useless to fight big or small.