| Low Sound Design
Centrifugal fan units provide an inherently low noise characteristic which makes this design preferred for most installations that require low sound levels. The sound they produce is predominantly in the high frequencies which is easily attenuated by building walls, windows, and natural barriers. Additionally, since the sound from the fans is directional, single sided air entry models can be turned away from critical areas avoiding a sound problem. When even quieter operation is necessary, centrifugal fan models can be equipped with optional sound attenuation packages. Consult the factory for details.
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The LSWA Closed Circuit Cooler product line is a highly efficient design constructed for long life and minimum maintenance and features EVAPCO's patented, high efficiency Thermal-Pak® Coil. It is the ideal choice for forced draft replacement applications, low sound and indoor installations. The LSWA engineered design features are described below.