WhisperWallâ„¢ fans offer through-the-wall ventilation with quiet operation and low energy consumption, says the manufacturer. These fans operate a 0.45 sones, with power consumption of 16 W. They can be installed in both residential and commercial applications. They come with an adjustable WhisperWall duct and cutout template. The fans are Energy Star approved and HVI certified.
Panasonic, 2 Panasonic Way, Secaucus, NJ 07094-2917; www.panasonic.com/building.