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目前显示的是 九月, 2022的博文

Are Air Source Swimming Pool Heat Pumps Noisy?

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Noises in  Air Source Swimming Pool Heat Pumps  are measured in a dBA @ 1m which is the level of noises in free air at a 1metre distance from the pool heat pump.  With every one-meter extension, the dB level falls by almost 6 decibels. As such, if your air source pool heat pump is 8 meters from your standing point, the noise at 75dBA will reduce by 57dB.   While an air source pool heat pump can be fairly quiet or too noisy, it will depend on the size of the machine itself, along with the compressors and fans it uses. For instance, a heat pump using a Sanyo compressor is quieter than the ones running on Copeland. Further, centrifugal fans guarantee less noise when compared to prop models.   On the other hand, a small Air Source Swimming Pool Heat Pump dB rating will fall between 60 -70, while a larger one will have a dBA of 70. In practicality, a standard refrigerator hums with 45 dBA while an air conditioner gives around 60 dBA.   The noise only becomes destructive when it’s running a