{"product_id":"kf800-hrv-smart-controller-air-detection-3-speed-switch-for-home-fresh-air","title":"KF800 HRV Smart Controller Air Detection 3 Speed Switch for Home Fresh Air","description":"\u003cdiv\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eOverview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eThis smart controller for fresh air system can monitor indoor temperature and CO₂ concentration in real time. It outputs signals to directly control the start-up and speed of the fresh air fan. Widely used in residential, commercial and industrial applications. It effectively improves air quality and creates a healthy, comfortable, efficient, eco-friendly and energy-saving living and working environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eButton Function Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003col style=\"list-style-type: decimal;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eTimer Key: Timer parameter setting\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eUp ▲ Key: Parameter increase\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eDown ▼ Key: Parameter decrease\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eMode Key: Set controller working mode. Short press to cycle through AUTO, MANUAL, TIMER and Power OFF.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cstrong\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\"\u003eSpecification\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\u003cdiv\u003e\n\u003cul style=\"list-style-type: disc;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eOverall Dimension: 86×86×40mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eMounting Hole Spacing: 60mm (Standard)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eWiring Terminal: Max. 2.5 mm² wire\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eRated Voltage: AC220V 50Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eStandby Power Consumption: ≤0.5W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eControl Power: ≤200W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eOutput Interface: 3-speed fan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eTemperature Display Range: 0°C ~ 50°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eCO₂ Display Range: 350ppm ~ 3000ppm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eWarm-up Time: 1 minute\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eResponse Time: ≤10 seconds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eRecovery Time: ≤30 seconds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eOperating Temperature: -10°C ~ +50°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eOperating Humidity: 5%RH ~ 90%RH (non-condensing)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eStorage Temperature: -10°C ~ +60°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eStorage Humidity: ≤60%RH\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003eService Life: ≥5 years\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003cspan style=\"font-size: 16px; font-family: arial, helvetica, sans-serif;\"\u003e\u003cstrong\u003ePackage:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: arial, helvetica, sans-serif; font-size: 16px;\"\u003eKF800 HRV Smart Controller, Air Detection 3 Speed Switch for Home Fresh Air\u003c\/span\u003e \u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\u003cp\u003e\u003c\/p\u003e\u003chr\u003e\u003cspan class=\"ebay\"\u003eOn Sep 22, 2026 at 20:51:03 PDT, seller added the following information:\u003c\/span\u003e\u003cp\u003e\u003c!--[Datacaciques code start,code,don't modify it]--\u003e\u003cstyle type=\"text\/css\"\u003e.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*\u003espan.ebay{display:none;}\u003c\/style\u003e\u003c\/p\u003e\u003cdiv class=\"dc_tracker_img\" style=\"text-align:center;margin-top:25px\"\u003e\u003c\/div\u003e\u003c!--[Datacaciques code end]--\u003e","brand":"Lilly Electronics","offers":[{"title":"Default Title","offer_id":40929976844417,"sku":"NS-KF800","price":140.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/9dc64a4050447805c362a1ead7753786.jpg?v=1790136310","url":"https:\/\/www.lilly-electronics.com\/fr\/products\/kf800-hrv-smart-controller-air-detection-3-speed-switch-for-home-fresh-air","provider":"Lilly Electronics","version":"1.0","type":"link"}