What kind of tradesperson should I call out to fix a noisy extractor fan in the bathroom?
Also, when the extractor fan is switched off, there is a lot of rasping and noise when it is windy. Is this due to a faulty extractor fan or something else?
Also, when the extractor fan is switched off, there is a lot of rasping and noise when it is windy. Is this due to a faulty extractor fan or something else?
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