Zhejiang Ningbo Hotel Cooling Tower Noise Control, Central Air Conditioning Noise Control, Business Center Soundproofing and Noise Reduction

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In response to the owner's request, our technical team conducted noise measurements around the hotel's cooling tower, which has 6 exhaust outlets.

When all four exhaust vents are in operation, the noise level at one meter from the equipment is 75.2 dB(A).

When four exhaust outlets are in operation, the noise level at one meter from the outlet is 80.8 dB(A).

When all four exhaust outlets are in operation, the noise level at one meter outside the window of the model apartment on the 11th floor is 65.2 dB(A).

To reduce the noise pollution from the cooling tower operation affecting the surrounding residents, as required by the owner: after completing this noise control project, the noise level one meter outside the windows of sensitive area residents meets the requirements of the "Social Living Environment Noise Emission Standard" (GB 22337-2008) for Class I emissions, i.e., noise less than 55dB(A) during the day and less than 45dB(A) at night.