Frank Drews
Technical Coordinator"Humidity is very important for us to ensure standardized conditions throughout the production process."
Benefits
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Humidity control is vital in automotive production. It reduces dust and static, improves surfaces, ensures clean paint application, stabilizes engine test conditions, and boosts quality and efficiency.
Prevents dust
Prevents airborne dust from being attracted to the surface of the bodywork
Reduced static
Air humidification prevents static (ESD) and boosts production efficiency above 40% RH.
Evaporation control
Prevents paint evaporation, ensures even coverage, adhesion, and smooth film.
Automotive manufacturing humidity control
Car spraying plants
Maintaining 72% relative humidity ensures water-based paint reaches the bodywork as intended, preventing evaporation and reducing paint dust. This improves finish quality, lowers sanding needs, and cuts paint costs by avoiding losses. Spray booths are usually served by central air handling units with in-duct humidifiers. High air flows require low-energy systems such as spray, evaporative, or gas-fired steam humidification.
Engine testing
Exhaust emission testing requires precise temperature and humidity control, to ensure accurate results. Humidification and dehumidification must maintain tight tolerances throughout this range. Electric steam humidifiers provide precise control, while gas-fired steam, evaporative, or in-duct spray systems offer a lower-cost, lower-maintenance alternative. Dehumidification is accomplished with an desiccant dryer.
Sanding decks
By maintaining 55% relative humidity in sanding decks, dust is suppressed and static build-up reduced. This prevents airborne paint dust from being attracted to the surface of the bodywork, greatly decreasing sanding time and improving the quality of the finish.
Use cases
Anti-static and ESD prevention
Low humidity increases static build-up because dry air is an insulator, making electrostatic discharge (ESD) more likely. Maintaining 40–60% relative humidity helps dissipate charges and significantly reduces ESD risk.
Prevent evaporative losses
Organic materials have an internal moisture content and will lose moisture to the atmosphere when exposed to air with a low humidity. Humidifiers are used to create an environment with perfect balance between the material’s internal moisture content and the air’s relative humidity.
Discover Condair in action
Asteelflash Hersfeld GmbH, Bad Hersfeld (Germany)
To protect against electrostatic discharge, ensure quality assurance, and protect the health of its employees, Asteelflash uses in-room humidification systems in its printed circuit board assembly.
Hella GmbH & Co. KGaA, Recklinghausen (Germany)
ESD protection, additional cooling and greater employee satisfaction are the key benefits of in-room humidification at the HELLA electronics plant.
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.
Hella GmbH & Co. KGaA, Recklinghausen (Germany)
In-room humidification can be used both for conditioning the room air and for process cooling. The automotive supplier HELLA in Recklinghausen makes use of the principle of adiabatic cooling with additional air humidification.
Mercedes Museum
At the Mercedes-Benz Museum, the Condair DL delivers precise, hygienic humidification to protect exhibits and ensure optimal indoor climate for visitors.
Porsche Museum
Explore the Porsche Museum‚the floating architecture and exhibits. Condair steam humidifiers deliver precise humidity control to protect valuable collections.
Ferrari, Maranello, Italy
Ferrari™s historic headquarters in Maranello was modernized in 2010 with advanced production facilities, including a high-tech wind tunnel and hybrid engine test stand. Condair™s resistance steam humidifiers ensure precise humidity control, supporting the development of Ferrari™s next generation of high-performance sports cars.
The Condair RS steam humidifiers boast patented limescale management which prevents permanent deposition of limescale on heater rods. Limestone crusts are successively detached and removed from the steam cylinder into the limescale collection vessel. Limestone management ensures extremely short waiting times and a long life.
The innovative control system fitted with a touch display ensures outstanding transparency of function and precise steam delivery. The units are the result of decades of experience and they define the state of the art in modern steam humidification.
The Condair RS steam humidifiers boast patented limescale management which prevents permanent deposition of limescale on heater rods. Limestone crusts are successively detached and removed from the steam cylinder into the limescale collection vessel. Limestone management ensures extremely short waiting times and a long life.
The innovative control system fitted with a touch display ensures outstanding transparency of function and precise steam delivery. The units are the result of decades of experience and they define the state of the art in modern steam humidification.
Jaguar Land Rover, UK
Jaguar Land Rover employ Condair evaporative humidifiers for use in its exhaust emissions testing facility at the company™s Product Compliance Centre in Solihull, UK. The evaporative humidifiers provide humidity control to two rolling-road engine test cells to ensure compliance with international environmental parameters.
Aston Martin
Condair JetSpray humidification systems are maintaining the humidity in the finishing areas at Aston Martin's Newport Pagnell and Bloxham plants. By maintaining a level of humidity at 55%RH, any dust that is in the atmosphere around the cars is suppressed, giving a much finer finish during the painting and sanding processes.
FAW Volkswagen, Tianjin
As part of Volkswagen's global electrification strategy, Tianjin contributes significantly to the brand's mission of delivering innovative mobility solutions for the Chinese market.
Volkswagen Tianjin has selected the Condair ECO3 electrode humidifier for its central air conditioning system to ensure the humidity requirements of the production environment.
Volkswagen Tianjin has selected the Condair ECO3 electrode humidifier for its central air conditioning system to ensure the humidity requirements of the production environment.
Renault Sport
JNS Instruments Ltd
JNS Instruments Limited manufactures instruments for the automotive industry. The company was incorporated in 1998 and is based in Gurgaon, India. Condair has installed JetSpray humidification systems at the factory.
Quotes from our customers
Stefan Diskau
Heat exchanger planning"Especially in the warm work areas, we wanted to lower the temperature, bind the dust and create a more pleasant working environment."
Adrian Theiler
COOOur aim is to prevent, reduce and offset CO2 emissions.
Alan Darrock
We need a reliable, effective humidification system to ensure that we can achieve the utmost finish to our cars. Since the new equipment was installed, we have seen improvement in the quality of the paint finish, and our workforce now keep the doors closed. We have been more than pleased with the service and skill that Condair offers and will be using them in other production areas.
Frequently asked questions
How controlled humidity enhances the sanding process in the automotive manufacturing?
How does humidity control increase production efficiency for automotive manufacturing?
Why is a humidity level of 72% recommended in paint spray booths for automotive manufacturing?
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