1. Master Flow WHFS24M Direct Drive Whole House Fan $379.99
2. QuietCool Classic Advanced Whole House Fan (QC CL-4700 RF) $703
3. Tamarack HV1000 Whole House Fan $709
4. Triangle Engineering CC3623 Comfort Cooler Whole House Fan $914.01
5. AirScape 1.7 (1.7 WHF-XR) $996

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