{"product_id":"4-inch-register-booster-fan-with-smart-app-control","title":"4 Inch Register Booster Fan with Smart App Control","description":"\u003cp\u003eExperience ultimate comfort and efficiency with the QuietCool Register Booster Fan, the smart solution for boosting airflow in hard-to-heat or cool rooms. Engineered with dual 10-speed DC motors, this powerful yet whisper-quiet fan automatically adjusts to your home’s heating and cooling cycles for year-round comfort.\u003c\/p\u003e\n\u003cp\u003eTake full control of your comfort with Smart Wi-Fi App Control, available for both iOS and Android devices. Using the QuietCool Register Booster app, you can adjust fan speeds, set custom temperature thresholds, activate Timer Mode, and monitor room conditions — all from your smartphone. Whether you’re at home or away, the app gives you effortless control and real-time feedback, so your comfort is always just a tap away.\u003c\/p\u003e\n\u003cp\u003eWith Auto Mode, the built-in temperature probe detects when your A\/C or heater turns on — activating the fan only when needed. If the air temperature drops below your Cool Temp set point, it kicks on to deliver cool air faster. When your system produces warmer air than your Heat Temp set point, it turns on to enhance heating performance.\u003c\/p\u003e\n\u003cp\u003eFine-tune your comfort with customizable temperature and speed settings, or use the convenient Timer Mode for up to 8 hours of operation. Designed for effortless installation, this unit is completely plug-and-play — no wiring, no tools, just plug it in and enjoy balanced airflow instantly.\u003c\/p\u003e\n\u003cp\u003eBring balance and comfort to every room with the QuietCool Register Booster Fan — smart, silent, and effortless.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmart Wi-Fi App Control for iOS and Android\u003c\/li\u003e\n\u003cli\u003eFeatures dual 10-speed DC motors with Auto mode for automatic cooling and heating\u003c\/li\u003e\n\u003cli\u003eCustomizable temperature and speed settings in Auto Mode\u003c\/li\u003e\n\u003cli\u003eWhen the A\/C turns on, the temperature probe will detect air cooler than your Cool Temp set point and the fan will turn on.\u003c\/li\u003e\n\u003cli\u003eWhen the heater turns on, the temperature probe will detect air warmer than your Heat Temp set point and the fan will turn on.\u003c\/li\u003e\n\u003cli\u003eTimer mode up to 8 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/quietcoolsystems.com\/wp-content\/uploads\/2025\/11\/RBF-Spec-Sheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSpecifications Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/quietcoolsystems.com\/wp-content\/uploads\/2025\/11\/RBF-Owners-Guide-9-23-25-Web.pdf\" target=\"_blank\"\u003eInstallation Guide\u003c\/a\u003e\u003c\/p\u003e","brand":"QC Manufacturing","offers":[{"title":"4\" x 10\"","offer_id":42920632647747,"sku":"RBF-SMT-0410-W","price":54.0,"currency_code":"USD","in_stock":false},{"title":"4\" x 12\"","offer_id":42920632680515,"sku":"RBF-SMT-0412-W","price":54.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/6820\/5891\/files\/RBF-SMT-0410-W_-_1_-_Phone.jpg?v=1769623411","url":"https:\/\/b2c-qcsandbox.myshopify.com\/products\/4-inch-register-booster-fan-with-smart-app-control","provider":"B2C-QCSandbox","version":"1.0","type":"link"}