Adiabatic evaporative cooling
In-room humidifiers spray microfine water droplets, thereby generating evaporative cooling.
Benefits
The use of evaporative cooling with adiabatic air humidification improves the indoor climate and productivity.
Higher productivity
Reduced heat loads with adiabatic cooling ensure optimal process parameters.
Healthier indoor climate
Adiabatic cooling protects health and reduces employee complaints.
Lower energy costs
Reduced costs for air conditioning and low energy consumption.
Increased productivity through evaporative cooling
A controlled indoor climate is a decisive factor for productivity and quality in industrial manufacturing processes, in offices and even in data centres. Excessively high temperatures and low humidity have been shown to reduce work performance and increase the likelihood of errors and accidents. Studies show that productivity can drop by 3 to 12% in conditions of high heat stress. In addition to employee performance, the indoor climate also influences the quality of the end products, as many materials and manufacturing steps are sensitive to temperature fluctuations. Adiabatic evaporative cooling offers an efficient solution for lowering room temperature and stabilising humidity. This standardises production processes, ensures quality and sustainably increases productivity.
Evaporative cooling for healthy indoor climate
The health and safety of employees is a key concern for modern industrial companies. Excessively high temperatures in the workplace can lead to health problems such as headaches, exhaustion, dehydration and, in extreme cases, heat stroke. At the same time, excessively low humidity promotes respiratory infections, mucous membrane irritation and increased virus transmission. Adiabatic evaporative cooling with additional air humidification ensures a pleasant and healthy indoor climate. Optimal humidity protects the respiratory tract, reduces dust and minimises electrostatic charges. Companies benefit from fewer absences due to illness and higher employee satisfaction. This technology effectively supports compliance with legal requirements for occupational safety.
Cut energy costs with evaporative cooling
Adiabatic evaporative cooling is one of the most energy-efficient methods for cooling production and work spaces or even data centres. Compared to conventional air conditioning units, it can reduce cooling energy costs significantly. The principle uses the evaporation of water to extract heat from the ambient air, which can lower the temperature by an average of 2 to 5 °C – with minimal energy consumption. High-pressure nozzle humidifiers installed directly in the room, for example, require only 0.6 kW of energy to evaporate 100 litres of water and absorb around 70 kW of heat. This technology enables a sustainable reduction in energy consumption and contributes significantly to lowering operating costs.
Start of air humidification
The in-room humidifier is installed on the hall ceiling.
Start of adiabatic cooling
Complete absorption of the sprayed water droplets begins.
Result of cooling
Reduction in room temperature by 4 °C.
Indoor evaporative cooling is beneficial in many industries and applications
Discover Condair in action
Facebook / Meta, Sweden
This data centre in Lulea Sweden is one of the world's most efficient and sustainable data centres. Condair evaporative humidifiers add up to 22,800 litres per hour to the air in the penthouse ventilation systems to maintain the humidity to ASHRAE standards across the data halls.
Volkswagen Nutzfahrzeuge AG, Hannover (Germany)
The Volkswagen plant in Hanover is the main plant of Volkswagen Commercial Vehicles, an independent brand of the Volkswagen Group. With a total area of 120 hectares and over 14,000 employees, it is the largest production facility for the Transporter and Amarok series.
Argelith Bodenkeramik H. Bitter GmbH, Bad Essen (Germany)
Argelith Bodenkeramik H. Bitter GmbH (Bad Essen) is one of the world's leading companies as a manufacturer of high-quality industrial tiles. In order to reduce the high heat loads caused by the thermal processes of production, the company uses direct room air humidification.
Laverana GmbH & Co. KG, Hannover (Germany)
For the natural cosmetics manufacturer in-room humidification pays off twice: protection against dry mucous membranes and respiratory infections, and appreciation for employees.
Jungheinrich Service & Parts AG&Co. KG, Kaltenkirchen (Germany)
Optimal humidity in open-plan office environments. Additional in-room humidification ensures health protection and high employee satisfaction.
Bischof+Klein SE & Co. KG, Konzell (Germany)
Less electrostatic charge, a targeted cooling effect, and additional protection against virus transmission are the most important advantages of in-room humidification with high-pressure nozzles for the packaging specialist.
Albrecht Dürer Airport, Nürnberg (Germany)
In-room humidification protects employees and departing passengers from electrostatic discharges in the security check area, while also making a valuable contribution to greater well-being and health.
Thomann GmbH, Treppendorf (Germany)
In-room humidification is an integral part of air conditioning: for guitars, trumpets, customers and employees. At Thomann Musikhaus, controlled humidity guarantees protection, atmosphere and health.
V-ZUG, Switzerland
As a manufacturing company for household appliances for kitchens and laundry rooms, V-ZUG has a dual impact on the environment: they design appliances to be as efficient in use as possible, and they produce these appliances with maximum resource efficiency and minimal emissions.
The new Zephyr Hangarœ building at the Zug site houses a new sawtooth-roof structure that includes the pressing facility, where manufactured parts are also enameled. These production processes generate large amounts of waste heat, resulting in extremely dry indoor air, which in winter can drop to just 10 percent relative humidity. This presents a major challenge for the comfort of employees and the wood-intensive building, as the wooden structure requires a minimum humidity level of 30 percent relative humidity. Additionally, this situation poses a significant challenge for sustainable cooling.
This is where Condair comes into play! The solution involves Condair˜s high-pressure nozzle system,
ML-FLEX, with 152 nozzles providing a nethumidification capacity of approximately 280 liters per hour and a simultaneous, calculated evaporative cooling effect of 16 Kelvin, meaning the room air is sustainably cooled from around 38 degree centigrade to approximately 22 degree centigrade during the humidification process.
The new Zephyr Hangarœ building at the Zug site houses a new sawtooth-roof structure that includes the pressing facility, where manufactured parts are also enameled. These production processes generate large amounts of waste heat, resulting in extremely dry indoor air, which in winter can drop to just 10 percent relative humidity. This presents a major challenge for the comfort of employees and the wood-intensive building, as the wooden structure requires a minimum humidity level of 30 percent relative humidity. Additionally, this situation poses a significant challenge for sustainable cooling.
This is where Condair comes into play! The solution involves Condair˜s high-pressure nozzle system,
ML-FLEX, with 152 nozzles providing a nethumidification capacity of approximately 280 liters per hour and a simultaneous, calculated evaporative cooling effect of 16 Kelvin, meaning the room air is sustainably cooled from around 38 degree centigrade to approximately 22 degree centigrade during the humidification process.
WERNER KENKEL Sp. z o.o., Krzycko Wielkie (Poland)
For packaging manufacturer Werner Kenkel, controlled humidity has a direct impact on production and quality assurance. More speed, consistent quality and less waste are the most important advantages.
se-austria GmbH & Co. KG, Schörfling am Attersee (Austria)
With in-room humidification, the indoor climate for employees could be improved without costly renovation of the air conditioning system. For better health and well-being.
Humidificación Imbera
Jydsk Aluminium Industri
Jydsk Aluminium Industri installed a Condair adiabatic cooling system to maintain a stable production temperature of 22°C while significantly reducing energy consumption. The solution reduced electricity used for cooling from approximately 350,000 kWh to less than 25,000 kWh per year, while improving employee comfort and ensuring consistent production quality.
Makkah Station - Haramain High Speed Railway
The Haramain High-speed Railway is a major infrastructure project for the Kingdom of Saudi Arabia, connecting the cities of Makkah, Madinah, Jeddah and the developing King Abdullah Economic City (KAEC). Altogether, the large, flexible stations will initially accommodate an anticipated 60 million passengers per year. JetSpray humidifier from Condair provides evaporative cooling to the platforms and cool commuters with low energy, high capacity direct air cooling at Makkah and Madinah stations. JetSpray humidifiers are used to provide localised cooling to the platforms via series of high level nozzles integrated within the lighting columns. The system is inhibited when the ambient temperature is below 35° C. The system is also inhibited from operation when the platform is empty. The system is enabled 15 minutes before and during arrivals and departures on the platforms. Almost 3000 kW of evaporative cooling is achieved by using Jetspray nozzle system of a capacity more than 4000 liters/h by consuming only around 200kW energy. The most important part of the project is the ultimate hygiene conditions thanks to UV sterilisation and Silver Ion. Regular and automatic flush cycles ensure hygienic operation by preventing water from remaining in the system to stagnate. A PureFlo Ag+ silver ion dosing system is incorporated on the incoming water supply. Silver has powerful antibacterial properties and provides a strong residual effect throughout the water pipe work.
Quotes from our customers
Our aim is to prevent, reduce and offset CO2 emissions.
"Not least because of the energy costs, however, we decided in favor of adiabatic direct room air humidification with high-pressure nozzles."
"Adiabatic direct room air humidification is a manageable investment with a great effect."
"The system was able to reach the new higher humidity levels without any problems. This is another reason why our direct room air humidification has been convincing me as a technical system for years."
"Air humidification is a stable factor in our quality assurance, both for ESD protection of our production as well as for the satisfaction of our Employees with the indoor climate."
"My colleagues are thrilled with how noticeably fresh the indoor climate is now and how it protects health from dried out mucous membranes and respiratory infections."
“Optimal humidity is a must for our instruments and at the same time refreshing and health for our customers and our team.”
Frequently asked questions
Can companies reduce energy costs with adiabatic evaporative cooling?
What are the advantages of controlled humidity for people and materials?
What is the significance of evaporative cooling for health protection?
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.
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Custom evaporative media
Evaporative mediaCondair’s custom evaporative media solutions are engineered to meet the specific needs of your cooling and humidification systems. Whether you require cellulose or glass fiber media, our team can design and manufacture evaporative media in the exact sizes, thicknesses, and configurations your application demands.
Custom Kuul™ Evaporative Media is ideal for direct evaporative cooling, indirect evaporative cooling, and precooling applications in industries such as data centers, gas turbines, HVAC, automotive, and industrial facilities. With a patented design that ensures high water absorption and low pressure drop, our custom media delivers reliable performance, long service life, and measurable energy savings.
By tailoring evaporative media to your system, Condair helps you maximize cooling efficiency, airflow, and durability, ensuring the best fit for both new installations and retrofits.
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