VIVOSUN Quiet Register Booster Fan 4”×10”, Smart Register Vent with Intelligent Thermostat Control, Cooling Heating AC Vent Booster Fan, Matte White - VSF-R410-W

• Balance Room Temperatures: Designed to complement HVAC systems, this fan efficiently boosts the airflow of your existing AC or heater, effectively redistributing warm and cold air for a more balanced temperature. Enjoy enhanced comfort while saving energy and cutting costs Ultra-Quiet Stator-Blade PWM Fans: Features hydro-mechanical stator blades that transfer air farther even in high static pressure environments, ensuring powerful performance. The PWM-controlled motor with dual ball bearings ensures precise speed control, energy-efficiency, quiet operation and an extended lifespan Intelligent Programming: With a programmable LCD controller and high-precision temp probe sensor, this product automatically monitors temperature, and triggers fan to run at the cooling or heating temperatures you set, adjusting the fan speed accordingly. With 10 fan speeds, you can always get your desired airflow Rugged Structure & Stylish Design: Features an premium aluminum frame with CNC-machined corners and a matte-white finish. A sturdy and stylish design allows it to blend in with any decor. The thermoplastic housing protects the fans from clogging and ensures durability Easy to Install & Compact: Designed to fit perfectly into 4"×10" register holes. It can be easily mounted on wall or floor registers (not recommended for ceiling mounting). Its compact design allows it to take up minimal space while delivering optimal performance