Technical Booklet K Ventilation·Page 37·2.103
Fan noise requirements
All continuously running fans must be quiet to avoid discouraging occupant use. Guidance on noise is provided in paragraphs 2.37 to 2.39.
All continuously running fans used should be quiet so as not to discourage their use by occupants. Guidance on noise is given in paragraphs 2.37 to 2.39.
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