Best Window Exhaust Fans

Xpelair C4TSR Extractor Fan with Timer 4" 100mm Simply Silent Range - White

Aygrochy 6 inch Quiet Inline Duct Fan with Variable Speed Controller - Ventilation Exhaust Fan Using for Heating Cooling Booster, Grow Tents, Hydroponics,Home use Ventilation and Exhaust Blower.

Xpelair C4HTS 4-inch Simply Silent Contour Extractor Fan Humidistat

Envirovent SIL100 Silent-100 Axial Silent Extractor Fan Axial 100 mm / 4 Inch Timer Model (White)

SBONNI Bathroom Extractor Fan 4 Inch / 100mm, Two-Speed, Two-Way Ventilation Fan with 433MHz Remote Control - 2W 130m³/h Powerful Silent Exhaust Fan with IPX4 and Memory Function, Window Wall Ceiling

HG Power 150mm Kitchen Exhaust Fan 525m³/h Stainless Steel Ventilation Fan with UK Plug Low Noise Extractor with Backdraft Damper for Home Bathroom Garage, Black

Industrial Extractor Axial Exhaust Ventilation Commercial Air Blower Fan 400mm / 16" (4 Pole) 4900m3/h Black (Heavy Duty Metal Without Speed Control Regulator)

Industrial Extractor Portable Ventilator Air Axial Metal Blower Commercial Exhaust Workshop Ventilation Fan with 5 Meter Duct (12 Inches with Duct)

Kair Smart 100mm Intelligent Extractor Fan with Humidistat Timer and Data Logger (Smart Fan Plus)

Solar Powered Exhaust Fan, 10W 12V Portable Solar Panel Fan, Waterproof High Speed DC Brushless Fan, Solar Panel Fan for Chicken Coop, Greenhouse, Dog House, Car Window Exhaust