{"product_id":"ac-infinity-uis-controller-ai-plus-co2-sensor-ctr89a","title":"AC Infinity UIS Controller AI+ with CO2 Sensor – 8-Port Smart Grow Room Controller (CTR89A)","description":"\u003cp style=\"font-size:16px;line-height:1.6;margin:0 0 16px;\"\u003eThe \u003cstrong\u003eAC Infinity UIS Controller AI+ (CTR89A)\u003c\/strong\u003e is the 8-port smart grow room controller, supplied \u003cstrong\u003ewith the CO2 sensor in the box\u003c\/strong\u003e. Same controller as the standard AI+, with one extra input that changes how your extraction runs.\u003c\/p\u003e\u003cp style=\"font-size:16px;line-height:1.6;margin:0 0 16px;\"\u003eWithout CO2 data a controller guesses at fresh air exchange. It runs the fan on a timer, or off temperature and humidity, and hopes the plants have something to breathe. With the sensor fitted it reads the actual CO2 level in the room and pulls air only when the plants have drawn it down.\u003c\/p\u003e\u003cdiv style=\"border-left:4px solid #008838;background:#f7f7f7;padding:16px 20px;margin:0 0 24px 0;\"\u003e\n\u003cp style=\"margin:0;font-weight:bold;font-size:16px;\"\u003eDo you need the CO2 version?\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 0 0;font-size:15px;line-height:1.6;\"\u003eIf you are sealed, supplementing CO2, or running a room tight enough that CO2 gets drawn down between exchanges, yes. If you have a well-ventilated tent on a normal extraction cycle, the \u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-uis-controller-ai-plus-ctr89q\" style=\"color:#008838;text-decoration:underline;\"\u003estandard Controller AI+\u003c\/a\u003e does everything else this one does, for less. You can add a sensor later.\u003c\/p\u003e\n\u003c\/div\u003e\u003ch3 style=\"font-size:20px;font-weight:700;margin:28px 0 12px;\"\u003eWhat the CO2 sensor adds\u003c\/h3\u003e\u003cul style=\"font-size:16px;line-height:1.8;margin:0 0 24px;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCO2-triggered fresh air exchange\u003c\/strong\u003e – the extraction runs when the ppm drops, not on a fixed timer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCO2 logged alongside everything else\u003c\/strong\u003e – ppm sits in the same charts as temperature, humidity and VPD, so you can see what your room actually does overnight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlerts on CO2\u003c\/strong\u003e – catch a stalled room or a failed exchange before it costs you growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with supplementation\u003c\/strong\u003e – if you are running a generator or bottles, this is what stops you venting expensive CO2 straight out of the room.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"font-size:20px;font-weight:700;margin:28px 0 12px;\"\u003eEverything the AI+ already does\u003c\/h3\u003e\u003cul style=\"font-size:16px;line-height:1.8;margin:0 0 24px;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight ports\u003c\/strong\u003e – fans, lights, pumps and humidifiers from one hub, expandable with UIS splitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiFi and Bluetooth\u003c\/strong\u003e – full control from the AC Infinity app, wherever you are.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4\" touchscreen\u003c\/strong\u003e – live readings, timers, graphs and alerts on the unit itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomated triggers\u003c\/strong\u003e – drive any device off temperature, humidity, VPD, CO2 or time of day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData logging\u003c\/strong\u003e – charts and notifications, so a heat spike is something you find out about rather than discover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassword lock\u003c\/strong\u003e – stops anyone nudging your settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUK plug, CE compliant\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"font-size:20px;font-weight:700;margin:28px 0 12px;\"\u003eCTR89A or CTR89Q?\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 24px;\"\u003e\u003ctable style=\"width:100%;min-width:520px;border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#1a1a1a;color:#fff;\"\u003e\n\u003cth style=\"padding:8px;text-align:left;\"\u003e\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;\"\u003eCTR89A with CO2 Sensor (this product)\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;\"\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-uis-controller-ai-plus-ctr89q\" style=\"color:#8fd19e;\"\u003eCTR89Q Controller only\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#fff3d6;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;font-weight:600;\"\u003eCO2 sensor\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;font-weight:600;\"\u003ePorts\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e8\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff3d6;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;font-weight:600;\"\u003eTrigger on CO2\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eYes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eOnly if you add a sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;font-weight:600;\"\u003eTemp, humidity, VPD, timer\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff3d6;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;font-weight:600;\"\u003eWiFi, Bluetooth, app\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;font-weight:600;\"\u003eBest for\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSealed rooms, CO2 supplementation\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eStandard ventilated tents\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3 style=\"font-size:20px;font-weight:700;margin:28px 0 12px;\"\u003eSpecification\u003c\/h3\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:15px;margin:0 0 24px;\"\u003e\n\u003ctr style=\"border-bottom:1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;width:45%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eCTR89A, UIS Controller AI+ with CO2 Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;\"\u003ePorts\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003e8, expandable via UIS splitters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;\"\u003eConnectivity\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eWiFi and Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003e4\" TFT touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003e9V DC, UK plug included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eAll UIS devices: Cloudline, IonFrame, Multifan and more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;\"\u003eApp\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eAC Infinity, iOS and Android\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;\"\u003eController dimensions\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003e11.4 x 7.6 x 2.6cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 8px;font-weight:600;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eMagnetic or screw-mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3 style=\"font-size:20px;font-weight:700;margin:28px 0 12px;\"\u003eGoes well with\u003c\/h3\u003e\u003cul style=\"font-size:16px;line-height:1.8;margin:0 0 24px;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-ac-spc24-controller-sensor-probe\" style=\"color:#008838;text-decoration:underline;\"\u003e\u003cstrong\u003eClimate Sensor AC-SP24\u003c\/strong\u003e\u003c\/a\u003e – a second temperature, humidity and VPD probe on a 24ft lead, for reading canopy level rather than wherever the controller happens to hang.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-hydro-sensor-ai-ph-ec-tds\" style=\"color:#008838;text-decoration:underline;\"\u003e\u003cstrong\u003eHydro Sensor AI+ (AC-HDS3)\u003c\/strong\u003e\u003c\/a\u003e – puts pH, EC, TDS and water temperature on the same controller, and lets you drive equipment off them.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-water-sensor-ac-wds3\" style=\"color:#008838;text-decoration:underline;\"\u003e\u003cstrong\u003eWater Sensor (AC-WDS3)\u003c\/strong\u003e\u003c\/a\u003e – leak detection on the tray. Cheap insurance next to a controller this size.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-uis-extension-cable-gen-2\" style=\"color:#008838;text-decoration:underline;\"\u003e\u003cstrong\u003eUIS Extension Cable 10ft (AC-EXH9)\u003c\/strong\u003e\u003c\/a\u003e – eight ports is no use if the device is out of reach.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style=\"border-left:4px solid #008838;background:#f7f7f7;padding:16px 20px;margin:0 0 24px 0;\"\u003e\n\u003cp style=\"margin:0;font-weight:bold;font-size:16px;\"\u003eRunning a GAS, Hyper Fan or Rhino EC fan?\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 0 0;font-size:15px;line-height:1.6;\"\u003eYou will need the \u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-controller-cross-connector-adaptor-cable\" style=\"color:#008838;text-decoration:underline;\"\u003eCross-Connector Adaptor Cable\u003c\/a\u003e plus a \u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-uis-lighting-adapter-type-a\" style=\"color:#008838;text-decoration:underline;\"\u003eType-A Adaptor\u003c\/a\u003e to get a non-AC Infinity fan talking to this controller.\u003c\/p\u003e\n\u003c\/div\u003e\u003ch3 style=\"font-size:20px;font-weight:700;margin:28px 0 12px;\"\u003eFrequently asked questions\u003c\/h3\u003e\u003cdetails style=\"border:1px solid #e5e5e5;border-radius:6px;padding:12px 14px;margin:0 0 8px;\"\u003e\u003csummary style=\"font-weight:600;font-size:16px;cursor:pointer;\"\u003eIs this a different controller to the CTR89Q?\u003c\/summary\u003e\u003cp style=\"font-size:15px;line-height:1.6;margin:12px 0 0;\"\u003eNo. Same 8-port Controller AI+. The difference is that the CO2 sensor is supplied with it, and the controller can then run your fresh air exchange off real CO2 readings.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e5e5e5;border-radius:6px;padding:12px 14px;margin:0 0 8px;\"\u003e\u003csummary style=\"font-weight:600;font-size:16px;cursor:pointer;\"\u003eCan I add the CO2 sensor to a controller I already own?\u003c\/summary\u003e\u003cp style=\"font-size:15px;line-height:1.6;margin:12px 0 0;\"\u003eYes, the sensor is a UIS accessory and plugs into an existing Controller AI+. Buying the two together here works out cheaper than adding one later, which is the whole point of this version.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e5e5e5;border-radius:6px;padding:12px 14px;margin:0 0 8px;\"\u003e\u003csummary style=\"font-weight:600;font-size:16px;cursor:pointer;\"\u003eDo I need CO2 control if I am not supplementing?\u003c\/summary\u003e\u003cp style=\"font-size:15px;line-height:1.6;margin:12px 0 0;\"\u003eNot usually. A tent on a normal extraction cycle keeps up with what the plants use. It earns its money in a sealed or tightly sealed room, where CO2 is drawn down between exchanges and you would otherwise be guessing. If that is not you, take the \u003ca href=\"https:\/\/www.thehydrobros.com\/products\/ac-infinity-uis-controller-ai-plus-ctr89q\" style=\"color:#008838;text-decoration:underline;\"\u003econtroller on its own\u003c\/a\u003e.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e5e5e5;border-radius:6px;padding:12px 14px;margin:0 0 8px;\"\u003e\u003csummary style=\"font-weight:600;font-size:16px;cursor:pointer;\"\u003eHow many devices can it actually run?\u003c\/summary\u003e\u003cp style=\"font-size:15px;line-height:1.6;margin:12px 0 0;\"\u003eEight directly, and more with UIS splitters. Browse the rest of the range in \u003ca href=\"https:\/\/www.thehydrobros.com\/collections\/ac-infinity-controllers\" style=\"color:#008838;text-decoration:underline;\"\u003eAC Infinity UIS Controllers\u003c\/a\u003e.\u003c\/p\u003e\u003c\/details\u003e\u003cdiv style=\"height:16px;\"\u003e\u003c\/div\u003e\u003cdiv style=\"border-left:4px solid #008838;background:#f7f7f7;padding:16px 20px;margin:0 0 24px 0;\"\u003e\n\u003cp style=\"margin:0;font-weight:bold;font-size:16px;\"\u003eBrowse more\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 0 0;font-size:15px;line-height:1.6;\"\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/collections\/ac-infinity-controllers\" style=\"color:#008838;text-decoration:underline;\"\u003eAC Infinity UIS Controllers\u003c\/a\u003e · \u003ca href=\"https:\/\/www.thehydrobros.com\/collections\/ac-infinity\" style=\"color:#008838;text-decoration:underline;\"\u003eAC Infinity\u003c\/a\u003e · \u003ca href=\"https:\/\/www.thehydrobros.com\/collections\/fan-speed-controllers\" style=\"color:#008838;text-decoration:underline;\"\u003eFan Speed Controllers\u003c\/a\u003e · \u003ca href=\"https:\/\/www.thehydrobros.com\/collections\/grow-room-environment\" style=\"color:#008838;text-decoration:underline;\"\u003eFans, Filters \u0026amp; Air Control\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AC INFINITY","offers":[{"title":"Default Title","offer_id":57611477680501,"sku":"11243","price":189.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/files\/ac-infinity-fan-controller-ac-infinity-controller-ai-with-co2-sensor-ctr89a-8-port-1260094288.webp?v=1790466314","url":"https:\/\/www.thehydrobros.com\/es\/products\/ac-infinity-uis-controller-ai-plus-co2-sensor-ctr89a","provider":"The Hydro Bros","version":"1.0","type":"link"}