The Cube will make a slight humming sound while it is operating. However, a majority of our customers have reported that the noise does not bother them as it is comparable to a floor fan. Again, the Control Unit/Cube utilizes fresh air to cool the electronics so sufficient air is necessary for optimal performance and longevity of your system. Clearance of 18 inches on all sides is recommended. DO NOT put your control unit under your bed, as this will significantly restrict the airflow to the unit.
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