Intelligent Cloud-Based Control Solutions
We Make Growing Easier
Web-Based Control
Access your system’s equipment and data from anywhere in the world at a moment’s notice. Receive important messages, alerts, and alarms, as well as make changes via the Web on any mobile or desktop device. We make your growing experience easier by making your equipment and data easier to access and use. LEARN MORE
Environmental Control Solutions
Whether you have a small commercial greenhouse or grow room or a large commercial thousand-acre greenhouse facility, Link4 has an environmental control solution for you. We’ll make your growing experience easier by helping you get the right equipment and controls for your project. LEARN MORE
Outstanding Customer Support
Talk with real people with knowledge and interest in your specific grow operations. From electrical installation to cloud access and more, we are committed to making your growing experience easier. Our support doesn’t end after the sale. CONTACT US
Electrical Installation Services
Link4’s installation teams know the greenhouse environment and have over 30 years of experience installing equipment and controls in greenhouses and grow rooms. We make your growing experience easier by installing it right the first time. LEARN MORE
New Products
HE Anderson Integration
Link4 Cloud 2.0
i-Series Cloud
Reverse Osmosis Systems
Sapphire Commercial Irrigation / Mist Controller
Our Product Categories
Greenhouse Controls
- Advanced controllers at a variety of price points
- Feel safe with control over your greenhouse operations
- Remote access, networking & internet connectivity features
- Increased profit with data tracking software
- Reduce costs and save energy
Indoor Controls
- Link4 Cloud compatible for remote accessibility and advanced functionality.
- Everything you need for optimal zone control
- Use your smartphone to monitor and change settings
- Get peace of mind with alerts for temperature, humidity, CO2, and more…
Irrigation and Fertigation Controls
- Built-in safety monitoring for crop protection
- Select and customize your own alarms and triggers
- Full control over dosing and nutrient system
- Integrated irrigation scheduling and nutrient dosing
- Improve costs, save time, and completely control your nutrient solutions
Cloud Access & LinkConn
- Smart layout saves time and makes optimization of growing conditions easy
- Simple reviews of historical data
- Increase growing efficiency
- Successful in a variety of different zones
Sensors
- Advanced Digital Integrated Sensor Module
- Digital Temp and Humidity Sensor
- Digital Integrated Sensor Module
- Weather Station
- Anemometer
- Solar Light Sensor
- Temperature Probes
- EC/Temp Sensor
- pH Sensor (Flat Tip)
- Room Pressure Sensor
- Quantum (Par) Light Sensor
Lighting Panels
- Custom grow light controls panels for HPS and LED
- Cost-effective
- 100+ light jobs for any size panel
- Easy user interface using your Link4 iGrow Controller
- Customizable to ensure your lighting control needs are met
iDrive Motor Controllers
- A simple and elegant solution for controlling your vents, curtains, and more
- Compact design to save space in your greenhouse
- Easy to install and wire
- Works with any common greenhouse controller
- UL and cUL approved