Modular walk-in chambers

Modular walk-in climatic chambers

Without compromising our high standards of quality and reliability, ACS wanted to reduce delivery times to twelve weeks or less and avoid the costs of design and engineering normally associated with the customized walk-in chambers. The solution is the WAZZLE, a cost-effective, modular design comprising the four basic elements of a walk-in chamber that can be mixed and matched to provide a configuration to suit the majority of requirements.

Wazzle makes your life easier, fast and easy walk-in chamber assembly. Click here to watch the Wazzle video >

Included in the Wazzle walk-in chamber concept are: Plant Unit, Air Handling System, User Interface and Vessel Construction as follows.

Plant unit:

Comprising the refrigeration equipment and humidification systems required for the control of the temperature and air humidity insidethe walk-in chamber. The basic version requires either mains water or tower water for cooling.

Air handling system:

Powerful fans draw the chamber air across the heat exchangers for cooling and dehumidification, heaters and control sensors before recirculating the conditioned air back into the chamber. A Pt100 sensor (temperature) and a capacitive probe (humidity) is used for control.

User interface:

* Always located near the door

* Touch panel programmer / controller

* Emergency STOP push button

* Serial interface RS 232/422

* Software and PC (optional)

Vessel construction:

Vapour tight prefabricated panels suitable for multiple assembly and take down operations, AISI 304 interior, blue plastic coated zincor steel exterior. Insulation thickness: 120 mm.

The Wazzle line includes 4 models according to their useful capacity: Compact (10 m3), Medium (16 m3), Large (30 m3) and Extra Large (40 m3). Each of these models is available in 6 versions according to cooling unit dimensions, except for Compact model which is available only in 4 versions (see the datasheet for detailed technical features of cooling units and performances).


  • Reduction in the lead-time for chamber production.
  • Improved cost-effectiveness of the equipment.
  • The facility to use the same combination of plant unit and air handling system on walk-in chambers which have:
  • Different geometry
  • Different temperature rates
  • Different minimum and maximum temperature limits
  • Different thermal load 
  • Easy to assemble on site.
  • Easy to disassemble, relocate and rebuild the equipment, if necessary.
  • Possibility to upgrade or refurbish existing facilities by using the plant unit / air handling system / user interface without requiring major reconstruction work.

You can download the brochure for the ACS Wazzle walk-in test chambers here (pdf) >

WAZZLE  chambers can also be equipped with MyAngel24™, our remote teleassistance system: the chambers stay connected to the remote server 24 hours a day monitoring running conditions and any anomalies, in order to guarantee faster and more efficient service and maintenance activities. They are accessible whenever and wherever you are, from any device with an internet connection and a simple web browser.

Please feel free to contact us at any time if you need more information or want to discuss your needs and requests with us.


Tel +358 (0)20 730 6070


Tel +46 (0)8 555 36 280