Best Window Sill Fan

Amazon Basics 15-Inch Air Circulator Desk Fan with 90-Degree Tilt Head and 3 Speed Settings, 70 Watts, Ultra Quiet (30 dB), Lightweight (4 LBS), Black, 7.6"D x 14.8"W x 14.1"H

Comfort Zone Twin Window Fan with Quiet Setting, Reversible Airflow Control, 9 inch, 3-Speeds, Expandable, Exhaust, Dual Fan, Airflow 9.84 ft/sec, Ideal for Home, Kitchen, Bedroom & Office, CZ319WT2

Hurricane

Hurricane Classic 20" Floor Box Fan – Compact and Portable, Powerful and Quiet 3-Speed Cooling for Home, Greenhouse, Office, Gym, Garage, and Workshop

Dreo Fan for Bedroom, 12 Inches, 70ft Powerful Airflow, 28db Quiet Table Air Circulator Fans for Whole Room, 120° Adjustable Tilt, 3 Speeds, Desktop Fan for Home, Office, Kitchen

Honeywell HT-904 TurboForce Tabletop Air Circulator Fan, Small, White – Quiet Personal Fan for Home or Office, 3 Speeds and 90 Degree Pivoting Head

Genesis 20" Box Fan, 3 Settings, Max Cooling Technology, Carry Handle, White (G20BOX-WHT)

shinic Twin Window Fan with Remote, 9-Inch Blades Reversible Airflow, Thermostat Control, 3 Speeds, 3 Functions, 23.8"-37" Expandable Width, Window Exchaust Fans for Home Bedroom, ETL Certified

BEYOND BREEZE 9" Twin Window Fan, 2-Speed Expandable Dual Window Fan with Reversible Airflow Blades, Manual Controls

Dr. Prepare Tower Fan Oscillating Fan, Portable Desk Fan with 3-Speed Options, Dual Air Circulation, 110° Oscillation, 3 Timers, Personal Quiet Table Fan for Home Office Desktop Bedroom, 13 inch

Genesis Twin Fan High Velocity Reversible AirFlow Fan, LED Indicator Lights Adjustable Thermostat & Max Cool Technology, ETL Certified, White (A1WINDOWFAN)