FxVent
– a modern control solution for air handling units
FxVent is a ready-made control solution for air handling units, designed to adapt to OEM manufacturers’ specific control needs and brand. A modern user interface ensures an excellent user experience, while the control supports comfortable conditions and energy efficiency year-round.
FxVent combines the controller and user interface into a complete control solution for OEM manufacturers. The user interface is consistent across devices, and the controller platform can be selected based on needs.
The same control solution scales from basic-feature units to systems with extensive functionality. The controller can be connected to the cloud, enabling remote management, updates, and service offerings.
The solution can be fully customized to the ventilation unit manufacturer’s needs. Required features can be selected from a ready-made, tested functionality set, and the appearance can be tailored to match the company’s visual identity and brand. The intuitive user interface makes it easy to control functions.


What does the FxVent controller do?
The ready-made air handling unit control solution covers key control and regulation functions for OEM manufacturers:
- controls ventilation and heat recovery
- processes air in a way that supports heating, cooling, and humidity control
- adjusts operation based on demand and conditions
- optimizes energy efficiency
- operates independently or as part of building automation
- enables remote management and updates
Key benefits of FxVent
Stable and comfortable conditions year-round
The control keeps supply air temperature as close as possible to the target in different seasons, improving comfort and supporting other building systems.
Effortless energy efficiency
Built-in control functions optimize air handling in different conditions, reducing unnecessary energy consumption.
Excellent user experience
Thanks to a clear user interface, functions and conditions are easy to control.
Customer-specific solution quickly ready for production
The controller is built on a ready-made platform but customized to look like the ventilation unit manufacturer’s own product.
Visual appearance and functionality can be selected, and the solution is ready for mass production within 6–8 months.
Seamless integration into automation systems
FxVent integrates smoothly as part of broader building automation. As an automation system provider, Fidelix ensures smooth integration.
The controller supports common communication protocols and can be connected to different systems via open interfaces.
Cloud-ready platform for remote management and services
The controller can be connected to the cloud, enabling remote management, updates, and service integration.
This simplifies lifecycle management, keeps features and security up to date, and enables service business opportunities such as predictive maintenance.

FAQ
- Who is FxVent best suited for?
FxVent is best suited for small and medium-sized air handling unit manufacturers. - Does FxVent work without building automation?
Yes, FxVent is a fully standalone control solution for air handling units. It can also be integrated into building automation if needed. - Does FxVent meet CRA requirements?
Yes, FxVent complies with the European Cyber Resilience Act (CRA) requirements and addresses identified vulnerabilities and security risks. - Why choose a ready-made control solution instead of building your own?
A ready-made solution enables faster time to market. FxVent also supports cloud connectivity and remote management, leveraging Fidelix’s technology platforms. - What interfaces does FxVent support?
FxVent supports Modbus RTU and Modbus TCP. BACnet IP and MS-TP support is coming. Customer-specific interfaces can also be implemented if needed.
