VIVOHOME Register Booster Fan - 4'' x 10'' Opening with Adjustable Louver - Smart Thermostat & 10-Speed Remote Control - AC Vent Fan for Floor, Ceiling, Wall - Quiet Operation (White) — Open-Box, 45% Off

SIZE 4" x 10" : Compatible with vent sizes ranging from 𝟗.𝟗''–𝟏𝟎.4'' 𝐢𝐧 𝐥𝐞𝐧𝐠𝐭𝐡, 𝟒.𝟏''–𝟓.𝟐'' 𝐢𝐧 𝐰𝐢𝐝𝐭𝐡, and no less than 𝟐.𝟒'' 𝐢𝐧 𝐝𝐞𝐩𝐭𝐡

𝐒𝐌𝐀𝐑𝐓 𝐂𝐎𝐍𝐓𝐑𝐎𝐋 𝐅𝐎𝐑 𝐄𝐍𝐄𝐑𝐆𝐘 𝐒𝐀𝐕𝐈𝐍𝐆: The VIVOHOME Register Booster Fan is a quiet fan system designed to improve airflow from wall and floor HVAC vents; Equipped with a high-precision temperature sensor, the thermostat monitors room conditions in real time and automatically turn on and off based on your preset settings; Includes a memory function that recalls the last used temperature, fan speed, and louver angle after restarting, maintaining comfort while optimizing energy efficiency

𝐀𝐃𝐉𝐔𝐒𝐓𝐀𝐁𝐋𝐄 𝐋𝐎𝐔𝐕𝐄𝐑 𝐅𝐎𝐑 𝐎𝐏𝐓𝐈𝐌𝐀𝐋 𝐀𝐈𝐑𝐅𝐋𝐎𝐖 𝐃𝐈𝐑𝐄𝐂𝐓𝐈𝐎𝐍: Designed with upgraded automatic oscillating louvers that rotate between 60°–120°, this fan redirects heated or cooled air exactly where you need it, improving circulation and increasing overall room comfort; Two airflow modes—continuous sweeping or fixed-angle—let you direct air for targeted or wide-area coverage; The included remote control gives you precise control and comfort at your fingertips

𝐈𝐃𝐄𝐀𝐋 𝐅𝐎𝐑 𝐒𝐓𝐀𝐍𝐃𝐀𝐑𝐃 𝟒'' 𝐱 𝟏𝟎'' 𝐕𝐄𝐍𝐓𝐒: Designed specifically for 4'' x 10'' vent openings to ensure a snug, secure fit; Compatible with vent sizes ranging from 𝟗.𝟗''–𝟏𝟎.4'' 𝐢𝐧 𝐥𝐞𝐧𝐠𝐭𝐡, 𝟒.𝟏''–𝟓.𝟐'' 𝐢𝐧 𝐰𝐢𝐝𝐭𝐡, and no less than 𝟐.𝟒'' 𝐢𝐧 𝐝𝐞𝐩𝐭𝐡; When selecting a register, refer to 𝘁𝗵𝗲 𝗮𝗰𝘁𝘂𝗮𝗹 𝗱𝗶𝗺𝗲𝗻𝘀𝗶𝗼𝗻𝘀 𝗼𝗳 𝘁𝗵𝗲 𝗱𝘂𝗰𝘁 𝗼𝗽𝗲𝗻𝗶𝗻𝗴 in your floor, wall, or ceiling—not the size of the vent cover

𝐐𝐔𝐈𝐄𝐓 𝐀𝐍𝐃 𝐏𝐎𝐖𝐄𝐑𝐅𝐔𝐋 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: Installs in minutes without tools or professional help, perfect for DIY users; Equipped with a high-efficiency EC motor that delivers strong airflow while conserving energy; Offers up to 120 CFM airflow and 10 fan speeds to suit different comfort levels; Operates at ultra-quiet noise levels below 18 dBA, creating a peaceful environment; Compatible with floor, wall, and ceiling vents for flexible installation

𝐏𝐑𝐄𝐌𝐈𝐔𝐌 𝐁𝐔𝐈𝐋𝐃 𝐖𝐈𝐓𝐇 𝐂𝐎𝐌𝐏𝐀𝐂𝐓 𝐃𝐄𝐒𝐈𝐆𝐍: Built with premium aluminum alloy and ABS materials for long-lasting durability and sleek aesthetics; The elegant finish blends into modern interiors, enhancing airflow while adding style; Its compact, low-profile structure saves space without sacrificing performance; For larger rooms, use multiple fans to ensure consistent and airflow across the space

Lock the 𝐥𝐨𝐮𝐯𝐫𝐞𝐬 𝐢𝐧 𝐚𝐧 𝐨𝐩𝐞𝐧 𝐩𝐨𝐬𝐢𝐭𝐢𝐨𝐧 when the fan is off: set airflow level to 0 and the target temperature at least 59°F (15°C) above the current room temperature; Maintain a steady and directed airflow by fixing the swing angle to 90°

Vivohome Guarantee: Lose your remote? We’ll replace it—free, for life

The VIVOHOME Register Booster Fan improves airflow, enhancing temperature and circulation while maximizing heating or cooling efficiency with minimal energy. It fits standard 4'' x 10'' register openings and redistributes air to create a more comfortable indoor climate.