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Steam humidification: choosing the right technology


Steam humidification is one of the most accurate ways to maintain indoor humidity, ensuring comfort, health and process stability. It integrates seamlessly with HVAC and Building Management Systems. Here’s an overview of the main technologies, how they work, their benefits and where they’re best applied


E


lectrode Steam Humidifiers use the natural conductivity of mains water. An electric current passes between submerged electrodes, heating the water until it boils and produces steam.


Benefits: Cost-effective, quick to install, and ideal for variable demand.


Applications: Offices, museums and light commercial spaces where simplicity and reliability are key.


Similar to an immersion heater, Resistive Steam Humidifiers use heating elements to boil water. Performance is unaffected by water conductivity and can be paired with reverse osmosis for reduced limescale. Benefits: Consistent output, suitable for treated water, and lower maintenance when combined with RO systems.


Applications: Data centres, pharmaceutical


production and cleanrooms requiring stable humidity for sensitive equipment or artefacts.


Steam-to-Steam Humidifiers transfer heat from boiler steam to treated water via a heat exchanger, producing clean, chemical-free steam without direct contact.


Benefits: Hygienic and safe, eliminating the need for chemical treatment or pipe sterilisation. Applications: Hospitals, universities and large buildings.


Gas-Fired Steam Humidification uses gas burners to heat water and generate steam, offering rapid response and high capacity.


Choosing the right technology depends on your building size, water quality, hygiene requirements and energy strategy. Each system offers unique advantages for different environments. For award-winning expert advice, contact


us at info@humiditysolutions.co.uk, give us a call on 01372 571200 or visit our website humiditysolutions.co.uk


Neptronic SKE4 Resistive Steam Humidifiers at Liverpool School of Tropical Medicine.


Benefits: Energy-efficient for large-scale operations; lower running costs compared to electric units.


Applications: Manufacturing plants, large commercial buildings, spray booths and facilities with existing gas infrastructure.


Steam Injection Systems condition and distribute steam already available from a central boiler system into the air stream. Benefits: Compact, highly responsive, and ideal for retrofits; uses existing steam supply for humidity control.


Applications: Industrial processes, food


production and environments where space and speed matter.


Vapac VE Electrode Humidifier at a printing facility.


WE UNDERSTAND HUMIDITY CONTROL


Free site visits Quick turnaround on quotes Wide range of humidity control systems in stock Low energy solutions Free technical support on our products over the phone Full UK coverage for service and maintenance Close control of +/-1% relative humidity possible Award-winning experts with decades of experience


CONTACT OUR EXPERTS TODAY


E: info@humiditysolutions.co.uk W: humiditysolutions.co.uk T: +44 (0)1372 571 200


Read the latest at: www.bsee.co.uk Humidity Solutions hp BSEE Dec25.indd 1 10/11/25 12:39 BUILDING SERVICES & ENVIRONMENTAL ENGINEER DECEMBER 2025 21


"Humidity Solutions has very quick lead times, with most of their products being stock items and the reliability of their products is fantastic. The staff are always incredibly helpful, knowledgeable and eager to please with


a very 'can do' attitude." Emma Staniforth, INCA


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