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Anonymous users2024-01-23This is the case because your bathroom is too sealed.
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Anonymous users2024-01-22Your exhaust fan is bidirectional, you can pump air outward, you can also ventilate inside, look at the model number online search, or look at the manual.
There are one-way outward pumping fans, and there are two-way (forward and reverse) pumping and suctioning.
It's impossible, is there a port to make up the air when the fan is turned on, or is it all sealed.
If the output speed of the warm air is greater than the exhaust speed of the exhaust fan, and the temperature in the bathroom has an upward trend or maintains a relatively high temperature. This approach should be effective.
It will definitely consume electricity if it is turned on all the time, but the power of the bathroom exhaust fan is very low, generally about 30W, and the power consumption is about 24 hours after opening, that is, less than 1 kWh. >>>More
That is because the motor bearing is loose, and it is normal to drive the fan blades to make a noise.
The exhaust fan is to expel the odor from the toilet, so the wind should blow outward.