Condair RS Resistive Steam Humidifier

Q: How accurate is humidity control with the Condair RS?

The Condair RS ensures very precise control of relative humidity. With standard tap water, accuracy is ±3% RH. When operated with reverse osmosis (RO) water treatment, it achieves an impressive ±1% RH.

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Condair RS

Resistive steam humidifier

Innovative scale management removes the separated minerals from the steam cylinder during operation and automatically conveys them into the designated scale collecting tank. Scale deposits are thus continuously removed from the steam cylinder.

Condair RS steam humidifier

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A technical innovation that solves the scale problem

Advanced steam cylinder design lets in-house staff remove scale easily. Deposits fall into a collection tank that can be drained without opening the unit. Regular removal improves performance, lowers service needs, and prevents drain blockages.

Cold water pool protects inlet and outlet from scale

Near the in- and outlet connections, the twin walled cylinder design of the unit creates a cold water pool which always remains below the temperature of scale formation. Water in- and outlet are therefore protected against scale deposition.

Robust outdoor housing for external installation

The weatherproof powder coated galvanized steel housing allows the Condair OC to be installed outdoors. This saves valuable indoor space and ensures reliable steam humidification even in challenging environments.

Steam distribution options

With steam hose for in-duct or blower pack for direct room humidification. The Condair steam pipe ensures optimal steam distribution with precise humidity delivery. Designed for efficient performance, it provides reliable indoor air quality and consistent humidification results.

Schematic layout

Professional planning is the basis for functional quality and energy efficiency. We are happy to assist you in the planning phase.

Steam outlet

Steam distribution options with steam hose for in-duct humidification with blower pack for direct room humidification

Steam Cylinder

Corrosion-resistant stainless steel cylinder

Resistive Heater

Condair RS resistive steam humidifiers can operate on mains water, or demineralised water, for close control and reduced servicing.

Schematic layout

Blowdown pump

Limescale collector

The location of the scale collection tank below the unit ensures very easy access. The tank can be removed and emptied easily without the need for opening the unit housing.

Touch Controller

State-of-the-art user interface offers simple control and advanced diagnostic reporting. Current and historic performance data can be called-up in real-time or accessed and analysed remotely via optional IoT (Internet of Things) connectivity.

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Frequently asked questions

How accurate is humidity control with the Condair RS?

How does the Condair RS manage scale and how easy is maintenance?

The Condair RS features an integrated scale management system. Limescale is automatically separated from the stainless-steel cylinder and collected in an external scale tank, which can be drained at the push of a button. This makes maintenance quick and easy.  In addition, the cold-water pool design prevents blockages in the water inlet and drain by keeping these areas cool.

What control and automation options does the Condair RS offer?

The Condair RS comes with a touchscreen controller for intuitive operation, providing full access to system parameters, service reminders, and automatic safety shutdowns.  It also supports seamless integration with building management systems (BMS) via BACnet (IP and MSTP) and Modbus as standard. A USB port allows trend and fault data logging as well as software updates.

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Projects and references

Harvard University

Harvard University is a private Ivy League research university in Cambridge, Massachusetts, established 1636. Its history, influence and wealth have made it one of the most prestigious universities in the world.Condair RS steam humidifiers are helping maintain the ideal indoor humidity at Harvard University.

Kennedy Space-Center, Cape Canaveral

The John F. Kennedy Space Center is NASA's space station on Merritt Island in Florida. All manned space flights of the United States were launched from December 1968 until July 2011 - first the Apollo missions and from 1981 until 2011 the space shuttles, some of which also returned. The total area of the Kennedy Space Center comprises almost 570 square kilometers, in which 17,000 people work. Hundreds of thousands of visitors flock to the KSC Visitor Complex every year. Since June 2013, the space shuttle Atlantis has tallied among the highlights of the visitor center that can be admired as a museum piece.Condair's RS steam humidifier ensures optimal indoor humidity.

Get a Sporting Edge with Condair

Sporting Edge are a global leader in altitude and environmental facilities, that recreate climates from around the world for sports performance training, research and rehabilitation.
Sporting Edge’s clients include Premier League football clubs, universities, Olympic associations and even high-end residential homes. Its environmental chambers accurately and consistently create conditions from -30 to +50°C, 20 to 95%RH and altitudes up to 9,000m. The company is based in the UK but carries out installations around the world, including Scandinavia, Asia, the Middle East and Africa.

Condair RS steam humidifiers are creating the precise humidity needed in Sporting Edge’s sophisticated environmental training and research chambers.

Condair in tune with Steinway, London, UK

Steinway & Sons has been enowned for producing the finest pianos since 1853. Passion and commitment, perfection and quality, reliability and – of course – an inimitable sound are just some of the characteristics people all over the world associate with these high-quality instruments. The impressive showroom in London Marylebone was
recently refurbished. Condair’s steam humidifiers are playing a vital role in maintaining the exceptional craftsmanship involved in the production of Steinway’s famous pianos.

Harrier Group, UK

Harrier Group, a leading UK digital printing firm, has invested in four Condair RS restive steam humidifiers to maintain the perfect production environment in its newly-designed, high-tech print room.

Henry Moore Foundation, UK

Two Condair RS steam humidifiers have been installed, by Ceilite Air Conditioning, at the prestigious Henry Moore Foundation in Hertfordshire. Henry Moore was a renowned artist, best known for his figure sculptures.

National Army Museum, UK

The National Army Museum is the leading authority on the British Army and its impact on society past and present. Condair has supplied and installed three Condair RS resistive steam humidifiers to maintain the humidity around the exhibits and archives.

Jersey Air Traffic Control

Jersey Air Traffic Control has recently installed four Condair steam humidifiers at its centre in Jersey Airport, which is responsible for the coordination of air traffic in the busy skies above the Channel Islands. Air traffic control is a demanding role, with aircraft and passenger safety its primary goal, and the humidifiers help provide a comfortable and productive environment for air traffic controllers and engineering staff by combatting the visual discomfort created by dry air.

Canadian Museum of History

The Canadian Museum of History is located in the Hull area of Gatineau, Quebec, directly across the Ottawa River from Parliament Hill in Ottawa, Ontario. The museum's primary purpose is to collect, study, preserve, and present material objects that illuminate the human history of Canada and the cultural diversity of its people.

Allianz-Arena, Munich

The Allianz Arena was one of the most controversial construction projects, even prompting a public vote by Munich citizens. It has since become a central landmark in northern Munich and an architectural symbol of the city. Particularly striking is the translucent, diamond-shaped outer shell, which can glow in different colors.

Using projectors and asymmetrical parabolic mirrors developed specifically for the Allianz Arena, the diamonds can be illuminated in different colors depending on the club's colors. The stadium is around 50 meters high, 200 meters long, and can accommodate 66,000 spectators. Condair RS steam humidifiers ensure optimum humidity levels.

Porsche Museum, Zuffenhausen - Germany

Explore the Porsche Museum‚the floating architecture and exhibits. Condair steam humidifiers deliver precise humidity control to protect valuable collections.

The Swiss Federal Institute of Technology (ETH), Switzerland

The Swiss Federal Institute of Technology in Zurich is probably the best-known university in Switzerland and secures one of the top positions in the global ranking of universities on a regular basis. Founded in 1855 as the Swiss Federal Polytechnic, ETH is primarily dedicated to the technical, mathematical and scientific fields. Condair steam humidifiers ensure healthy and comfortable air humidity in the labs and classrooms.

Cern, Meyrin (Geneva), Switzerland

CERN, the European Organization for Nuclear Research, is a leading institution in modern physics and nuclear research. It attracts international scientists and engineers to explore the fundamental properties of the universe, notably through its Large Hadron Collider, where atoms are accelerated to nearly the speed of light and collide.

Visitors to CERN can gain engaging insights into particle physics at the Globe of Science and Innovation. This interactive exhibit offers a deeper understanding of CERN's fascinating research projects, while our Condair RS steam humidifiers ensure optimal air moisture levels for a comfortable experience.

Agbar Tower

Agbar Tower is a 32-story office complex located directly on the famed Plaça de les Glòries Catalanes in Barcelona. Its outer form resembles that of the 30 St Mary Axe office building in London, which was built at around the same time. Agbar Tower’s glass facade is intended to represent a water fountain which changes its colors depending on the angle of the light. This is accomplished with 40 different shades of paint that reflect the light in different ways. The effect is reinforced by thousands of glass louvers that are mounted on the outside of the facade to provide sun protection. Based on the position of the sun, they turn to provide the highest possible degree of reflection, and to create natural air circulation inside the building. At night, Agbar Tower is lit by 4,500 LED spotlights in changing colors and can be seen from far away — every bit as clearly as by day. Condair RS steam humidifiers provide optimal humidity levels for visitors to Agbar Tower.

Bálna, Budapest

The Bálna (the whale) is a commercial, cultural, and gastronomic center in the heart of Budapest. It connects the city center with the tourist and gastronomic zone on the riverbank. In addition to its avant-garde exterior, the interior design also alludes to the appearance of a whale.

It is predominantly characterized by steel, aluminum, glass, bone-colored concrete, and satin-gray aluminum surfaces. Sunlight streams through the transparent glass roof, sparkling on the highly polished concrete and wooden floors, the terrazzo-patterned stairs, and the chrome steel escalators. Steam humidifiers from Condair ensure a pleasant level of humidity.

Quotes from our Customers

Harrier Group

Jeremy Rawley

Safety and Facilities Manager

We already knew Condair, as we have a couple of their units in other print rooms. The quality of their equipment is right up there. Paper is susceptible to changes in environmental conditions so humidity is really important. Their service is second to none as well. We work to tough deadlines and one of the key things for us is that Condair could supply the equipment quickly within the required timescale.

Having a local service engineer on call to maintain them in tip-top condition is important for us too.

Sporting Edge UK

Dave Vincent

Managing Director

...we have standardised our humidity control using the Condair RS steam humidifier. It provides us with a dependable, controllable product that will happily work with standard mains water. We also love the self de-scaling feature.

Steinway & Sons, UK

Craig Terry

Managing Director

Incredibly rare and expensive wood is used in some of our models – but actually any type of wood is susceptible to changes in environmental conditions. Dryness is the enemy of pianos so humidity is really important. We need 40% to 50% humidity all the time to protect the wood, whether they’re in the showroom or the workshop. Condair’s units are ideal for the job.
And because we rely so heavily on the reliability of the humidifiers, we also contracted with Condair to service the humidifiers at regular intervals. Would I recommend Condair? Oh yes, they’ve supplied great service.

Get free expert advice

If you want to explore your options for humidity control, Condair's expert sales engineers will visit your site, review your project and talk you through their recommendations.

Alternatively, if you would prefer a call or online meeting, our team are always happy to discuss possible solutions and offer free technical advice.