Neptronic SKG4
Advanced Gas-Fired Steam Humidifier
Gas-Fired Steam Humidifier for Commercial HVAC Systems
The Neptronic SKG4 is a high-performance gas-fired steam humidifier designed for demanding commercial and industrial HVAC applications. Engineered for precision, reliability and energy efficiency, it delivers clean, odour-free steam with a capacity range of 110 to 810 lb/hr (≈ 50 to 370 kg/h). Its stainless-steel combustion chamber and self-cleaning heat exchanger ensure long-term durability and reduced maintenance, while advanced modulation technology provides fast, stable response across varying load conditions.
The SKG4 integrates seamlessly into modern building automation systems with native BACnet MS/TP and Modbus communication. Compatible with tap, RO or DI water, and available in indoor or outdoor configurations, it offers maximum flexibility for new installations or retrofits. Combined with Neptronic’s steam distribution solutions, the SKG4 ensures efficient absorption and consistent humidity control in any environment.
Designed for European HVAC standards, the SKG4 delivers powerful performance in hospitals, clean-rooms, data centers, laboratories, AHU systems and industrial processes. Its compact footprint, rugged construction and high-efficiency operation make it a sustainable, cost-effective choice for modern humidification projects.
What are the benefits of installing skg4 in commercial applications?
High efficiency combustion
Maximises energy use and reduces operating costs.
Clean, odour-free steam
Suitable for hygiene-sensitive environments.
Flexible water quality options
Accepts tap, RO or DI water for maximum installation flexibility.
Compact footprint
Suitable for tight plant-room or rooftop installations.
Easy access maintenance
Tool-free access to key components reduces downtime and lifecycle cost.
BMS connectivity
Built-in support for BACnet MS/TP or Modbus ensures effortless integration into smart building systems.
Frequently Asked Questions
What is the SKG4 humidifier used for?
The SKG4 is used for high-capacity commercial and industrial steam humidification in buildings, air-handling units, healthcare, laboratories, and process environments.
What capacity does the SKG4 offer?
The SKG4 is available in high steam capacities, from 110 to 810 lb/hr or approximately 50 to 370 kg/hr, depending on the model.
What type of water can the SKG4 use?
The SKG4 can operate with tap water, reverse osmosis water, or deionized water, depending on the project and water quality requirements.
Why choose gas-fired humidification?
Gas-fired humidification is often selected for high-capacity applications where natural gas or propane can provide efficient steam generation and lower operating costs than electric steam.
Is the SKG4 easy to maintain?
Yes. The SKG4 is designed for service access and easier maintenance, helping reduce downtime and support reliable operation.
Can this humidifier integrate with BACnet or Modbus systems?
Yes. The Neptronic SKG4 can integrate with building automation systems using BACnet MS/TP and Modbus communication. BACnet IP or Modbus IP may also be available with the Ethernet module, depending on the selected configuration. This allows the SKG4 to connect to a BMS for monitoring, control, configuration, and diagnostics.
Contact
Head Office
National Environmental Products Ltd.
Neptronic
400 Boulevard Lebeau
Montréal (Québec) H4N 1R6 Canada
E-mail: contact@neptronic.com
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