{"product_id":"dewenwils-register-booster-fan-4-x-10-register-holes-180-adjustable-grille-vent-fan-improves-heating-cooling-vents-quiet-140-cfm-panel-remote-control-for-room-floor-wall-white-hvef20a","title":"DEWENWILS Register Booster Fan, 4\" x 10\" Register Holes, 180° Adjustable Grille Vent Fan, Improves Heating \u0026 Cooling Vents, Quiet 140 CFM, Panel \u0026 Remote Control for Room, Floor, Wall, White - HVEF20A","description":"\u003cp\u003e[Dual Fans High Airflow] Powered by dual fans delivering up to 140 CFM airflow, this smart vent boosts air circulation for effective temperature control, supporting both cooling and heating to improve indoor comfort and airflow efficiency\u003cbr\u003e\u003cbr\u003e[Quiet \u0026amp; Long-Life Motor] Designed for low-noise performance, this quiet air duct vent booster creates a comfortable environment; dual ball bearings ensure extended service life, delivering industry-leading noise control at the same airflow level\u003c\/p\u003e\n\u003cp\u003e[Smart Temperature Control] The energy-saving smart register vent automatically starts, stops, and adjusts speed based on real-time duct temperature, improving airflow balance, energy-efficient, and helping reduce condensation buildup around vents\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e[180° Air Direction] The adjustable ac vent booster allows up to 180° airflow (105° per side) control via a rotary knob; fully closeable blocks dust, prevents humid summer air intrusion and cold winter backdrafts, and enhances safety—ideal for children’s bedrooms\u003c\/p\u003e\n\u003cp\u003e[Remote Control \u0026amp; Timer] Supports both panel and remote control, especially for ceiling or high-wall vents; the air vent fans booster timer enables customized schedules, reducing energy waste while meeting daily ventilation needs\u003c\/p\u003e","brand":"Dewenwils","offers":[{"title":"Default Title","offer_id":52842816831785,"sku":"SHVEF20A","price":54.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/7608\/4009\/files\/HVEF20A-1-1.webp?v=1773729821","url":"https:\/\/dewenwils.com\/products\/dewenwils-register-booster-fan-4-x-10-register-holes-180-adjustable-grille-vent-fan-improves-heating-cooling-vents-quiet-140-cfm-panel-remote-control-for-room-floor-wall-white-hvef20a","provider":"Dewenwils","version":"1.0","type":"link"}