AC INFINITY

AC INFINITY CONTROLLER AI+ with CO2 Sensor, AI-Powered Learning, CO2 Data Tracking for Optimized FAE, Temp, Humidity, and VPD Monitoring for Dynamic Level Adjusting Bluetooth & WiFi App

£241.95
Tax included. Shipping calculated at checkout.
Speak with us on WhatsApp

Pickup available at Bansley Store

Usually ready in 24 hours

Payment Methods
American Express
Apple Pay
Bancontact
Diners Club
Discover
Google Pay
iDEAL Wero
Maestro
Mastercard
PayPal
Shop Pay
Union Pay
Visa
Shipping & Returns

Our current shipping rates are as follows:

  • UK Orders Over £50 – Free Next Day Delivery
  • UK Orders Under £50 – £8 (Next Day Delivery)
  • UK Orders Next Day AM – £20
  • UK Orders Saturday AM – £30
  • International Orders DAP – Select between UPS or Fedex and we'll sort the rest. (All duty paid by us prior to shipping)

All parcels are fully tracked. Once your order has been dispatched, you’ll receive an email containing your tracking number.

If your order is classed as an oversized item OR deemed extra heavy, additional heavy shipping duty will be added at checkout when selecting your shipping options.

Returns

We want you to be completely satisfied with your purchase, but if you change your mind, you may cancel your order within 14 days of receipt for a full refund, provided the items are unused and in resalable condition.

Once your cancellation has been confirmed, you must return the items within 14 days, ideally in their original packaging.

Click & Collect

Order online and collect directly from our Sheffield OR Barnsley store. Once your order is ready, you’ll receive an email or phone confirmation with collection details. Please wait for confirmation before travelling to ensure your order is prepared.

Please have your order number ready to give to a member of staff when you arrive.

Sheffield Store:
GSH Retail Ltd
Unit 5, 230 Woodbourn Road
Sheffield
S9 3LQ

Barnsley Store:

GSH Retail Ltd
Unit 6, Rockingham Business Park
Rockingham Row, Birdwell
Barnsley, S70 5TW

Local Same Day Delievery Service

Our man in a van!

Same-Day Delivery Service

Enjoy fast, reliable, and fully discreet same-day delivery with Green Spirit when you order from our Sheffield store area.Whether you shop online or
in-store, we make getting your items easy,convenient, and secure.

Order Online

When placing your order through our website, simply selectthe Same-Day Local Delivery option at checkout.

  • Free Same-Day Delivery on orders over £250.00
  • Availato customers within a 3-mile radius of our Sheffield store (S9 3LQ)
  • Orders under £250.00 can still be delivered the same day for a £50.00
    flat fee

Your order will be prepared and delivered directly to your
door the very same day, using our discreet delivery service.

Order In-Store

If you prefer to shop in person, visit our Sheffield
location to browse, purchase, and arrange delivery.

  • Pay
    in full for your items in-store
  • Choose
    a delivery time and date that suits you best
  • Our
    team will ensure a smooth and convenient handover

Discreet Delivery Promise

We understand the importance of privacy.

  • All
    our delivery vans are plain and unmarked, with no company
    branding
  • Parcels
    are packaged in plain or black wrapping for complete discretion

Delivery Requirements

To ensure everything runs smoothly:

  • Customers
    must be present at the agreed delivery time
  • Drivers
    cannot wait for extended periods
  • If
    the customer is not available, items will be returned to the store and a £50.00
    redelivery fee
    will apply

Upon
delivery, we will request a order number, name and signature to
confirm receipt

Discreet Shipping

All orders from GSH Retail Ltd are packed securely and shipped in Plain unbranded boxes for your privacy. We understand that discretion is important, so no external markings or product details are visible on the packaging.

Each parcel is also wrapped in durable black film and sealed with fragile tape to ensure both security and protection in transit.

We take great care to make sure your order arrives safely, discreetly, and in perfect condition — every time.

Methods Of Payment

We accept a wide range of secure payment options for your convenience when shopping with GSH Retail LTD

You can pay using:

Visa, Mastercard, American Express, and Discover

Apple Pay, Google Pay, and Shop Pay

PayPal – Fast and secure online checkout with buyer protection

Klarna – Flexible payment options, including Pay in 3 instalments or Pay Later

Clearpay – Split your purchase into four interest-free payments

Weston Union– Supported for international customers

Cash In The Post - This is at your own risk! Please make sure it is signed for, tracked, and insured.

Manual Bank Transfer -

All transactions are processed securely through Shopify’s encrypted checkout. Your payment details are never shared directly with us.

Once your order is placed, you’ll receive an order confirmation email, followed by tracking details once your parcel has been dispatched.

Finance Options

We offer flexible finance options to make purchasing easier. You can choose to spread the cost of your order, all three options are interest-free and give you the flexibility to manage your payments in a way that suits you.

PayPal Pay in 3

PayPal Pay in 3 allows you to divide your purchase into three equal interest-free payments over two months. The first payment is made at checkout, followed by two automatic payments each month.
It is available on orders between £30 and £2,000, and approval is completed instantly through your PayPal account. You can view, manage, or make payments easily through the PayPal app or your online account.

Shop Pay

Shop Pay Installments lets customers pay for an order in smaller increments over time.When available, Shop Pay Installments is a great option to help you maximize your budget for orders between the following amounts, depending on your location:


Klarna


Klarna offers two flexible ways to pay. With Pay in 3 instalments, your order total is divided into three equal payments, taken every 30 days with no interest or fees when paid on time. Alternatively, you can choose Pay Later in 30 Days, allowing you to receive your order first and settle the balance within 30 days. Klarna provides instant approval at checkout, and all payments can be managed securely through the Klarna app.

Clearpay

Clearpay lets you spread the cost of your purchase into four equal interest-free payments, taken automatically every two weeks. The first instalment is paid at the time of purchase, and the remaining three are collected automatically over six weeks. Clearpay is available for orders between £30 and £1,000 and can be managed easily through the Clearpay app.

Important Information

All finance options are subject to eligibility and approval by the provider. Late or missed payments may affect your credit score, so please ensure funds are available when payments are due. For details about eligibility, limits, or payment schedules, please refer to the provider’s website or app.

Earning Points & Rewards

At GSH Retail we believe loyalty should be rewarded - Our Points & Rewards scheme allows you to collect points every time you shop and redeem them for discount codes to use on future purchases.

When you make a purchase through our website, you’ll automatically earn points based on the value of your order. These points are added to your account and can be saved or redeemed whenever you choose. Once you’ve collected enough points, you can exchange them for a unique coupon code that can be applied at checkout to reduce the cost of your next order.

Earn 5 Points for every £1 spent
Redeem 100 Points for £1 Store Credit

Your points never expire as long as your account remains active, and you can track your balance easily through your customer account dashboard. It’s our way of saying thank you for choosing GSH Retail Ltd

To redeem your points, simply log into your account, view your available balance, and follow the on-screen instructions to generate a discount code. Enter the code at checkout to instantly apply your reward.

🌿 AC Infinity CONTROLLER AI+ with CO₂ Sensor – AI-Powered Dual-Zone Environmental Controller with WiFi App and CO₂ Automation (CTR89A)

Unlock next-level precision and intelligence in your grow space with the CONTROLLER AI+ with CO₂ Sensor, the most advanced environmental controller AC Infinity has ever created. Designed for growers seeking complete climate control, this AI-powered system features dynamic CO₂ regulation, adaptive learning, and seamless app connectivity. Whether you’re running a home grow tent or a full-scale horticultural setup, this controller empowers you to automate every environmental detail with unmatched precision.


Key Features

  • AI-Enhanced CO₂ Control – Actively monitors and maintains CO₂ levels using real-time PPM data to optimize fresh air exchange (FAE) and promote stronger, faster plant growth.

  • Smart Environmental Automation – Uses AI to analyze trends and anticipate climate changes, adjusting device output to prevent spikes and maintain stable temperature, humidity, VPD, and CO₂ levels.

  • Dual-Zone Monitoring – Built-in and external sensor probes allow you to control two separate zones for temperature, humidity, and VPD.

  • Wireless App Control – Use the AC Infinity app over WiFi or Bluetooth to access live data, performance charts, alerts, programming tools, and chat with our AI assistant.

  • Customizable AI Modes – Get started with Beginner Mode for fully automated growing, or switch to Advanced Mode for total customization and logic-based automation.

  • Control Up to 32 Devices – Connect up to 8 UIS™ smart devices natively or expand to 32 with UIS™ splitter hubs, including fans, lights, humidifiers, heaters, and 3rd party outlet devices.

  • Failsafe Programming – Retains all device schedules, triggers, and climate settings even if WiFi connection is lost.

  • Future Sensor Support – Expand your sensory input with additional probes for hydro, soil moisture, EC, TDS, pH, and more (sold separately).


📐 Technical Specifications

Specification Details
Manufacturer AC Infinity Inc.
Product Name CONTROLLER AI+ with CO₂ Sensor
Model Number CTR89A
UPC Code 819137024960
Display Size 4.5 inches
Controller Dimensions (LxWxH) 5.8 x 3.42 x 0.94 in. (14.9 x 8.7 x 2.4 cm)
Sensor Probe Length 12 feet (144 in.)
Max Devices Controlled 8 (up to 32 with UIS™ Splitters)
Control Zones Dual-Zone (Zone A & Zone B)
Sensor Inputs Supported 3 Total (1 Built-in, 2 External)
Included Sensors Temperature, Humidity (built-in & corded), CO₂
Controller Type Temperature, Humidity, VPD, CO₂
User Interface Capacitive Touch Buttons
Power Source 100–240V AC Adapter
Max Wattage Draw 2 W
Connectivity WiFi + Bluetooth
Operating Temperature 32°F – 140°F (0°C – 60°C)
Operating Humidity 35% – 85% RH

💡 Grow Smarter with AI: From regulating air exchange based on CO₂ PPM to customizing every detail of your climate automation, the CONTROLLER AI+ with CO₂ Sensor is your all-in-one solution for precision growing. Experience the power of intelligent control—and let your grow run itself.