QuietCool Classic Whole House Fan QC CL-1500 Cleaning Solutions a type of brown seaweed

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QuietCool Classic Whole House Fan QC CL-1500 Cleaning Solutions a type of brown seaweedQuietCool QC CL 1500 whole house fan for near silent cooling The QC CL 1500 pulls cooler outdoor air in through open windows and pushes hot air out through the attic to cool the whole house. It moves 1,527 CFM and covers roughly 491 to 736 square feet. A patented acoustical duct on an R5 insulated damper box drops the noise and vibration to a whisper. At 156 watts it runs near 9. 78 CFM per watt. Energy efficient attic mounted whole house ventilation