Best Attic Fan Vs Whole House Fan

Quietcool QC ES-4700 Energy Saver Fan Classic Line Model

QuietCool QC CL-1500 Classic Advanced Whole House Fan - 1472 CFM - One Speed - Covers up to 736 SQFT - 10 Year Warranty - Removable Grille - R5 Insulated Dampers - 20ft Power Cord

KEN BROWN 24 Inch Shutter Exhaust Fan With 1.65 Meters Power Cord & Speed Controller Wall Mounted, High Speed 4400CFM, Vent Fan For Garages And Shops, Greenhouse,Attic Ventilation

VENTISOL 20 Inch Shutter Exhaust Fan Wall Mounted, Aluminum with 1.65 Meters Power Cord Kit,High Speed 3500CFM, Ventilation fan for Garage,Greenhouse,Attic,Shed,Shop，Black

iPower 20.6 X 20.8 Inch Shutter Exhaust Fan Aluminum, High Speed 1190 RPM, 3300 CFM, 1-Pack, Silver

Iliving - 36" Wall Mounted Shutter Exhaust Fan - Automatic Shutter - Single Speed - Vent Fan For Home Attic, Shed, or Garage Ventilation, 6128 CFM, 9000 SQF Coverage Area, Silver (ILG8SF36S)

AC Infinity AIRLIFT T16, Shutter Exhaust Fan 16" with WiFi Temperature Humidity Controller, EC-Motor Wall Mount Ventilation and Cooling for Sheds, Attics, Workshops, and Greenhouses

Quietcool AFG SMT ES-3.0 Smart Attic Fan for Gable Vents - Up to 2801 CFM - As low as 22 Watts - Smart App Control - Thermostat and Humidistat - 20ft Power Cord - Plug-and-play - Three Speed

QA-Deluxe 6500 with Low Voltage Plug & Play Wired 2-Speed Wall Switch & Timer | R-5 Insulated Damper | Energy Efficient Whole House Fan | For 2-Story Homes to 4400 sq ft & 1-Story Homes to 3000 sq ft

QA-Deluxe 5500 Includes Plug & Play Wireless 2-Speed Remote Control with Timer | R5 Insulated Damper | Energy Efficient Whole House Fan | 2-Story Homes up to 3400 sqft & 1-Story up to 2400