80 Years of Innovation: Walter Roller Remains a Key Part of Chillventa in 2026
New Solutions for Efficient Refrigeration and Air Conditioning Applications
From 13 to 15 October 2026, we will once again be exhibiting at Chillventa in Nuremberg. As a specialist in refrigeration and air conditioning technology, we use this leading international trade fair to present our latest product developments, innovative technologies and forward-looking system solutions.
Our presence at the exhibition is marked by a special milestone: In 2026, we celebrate our 80th company anniversary. Since 1946, we have been developing and manufacturing high-quality heat exchangers, unit coolers and air conditioning equipment at our headquarters in Gerlingen art for a wide range of applications.
Visit Us at Chillventa 2026
Learn more about our latest product developments and the future trends shaping the refrigeration and air conditioning industry. Take the opportunity to meet our team and exchange ideas in person.
We look forward to welcoming you to Hall 5 | Stand 204.
Come to our stand with an appetite and a thirst. A special surprise from Swabia awaits you.
Would you like to visit us and receive a complimentary ticket?

Corrosion Protection Variant V (V2A Stainless Steel)
Corrosion poses a particular challenge in many applications.
Walter Roller offers a range of coating and material solutions to meet these demands. As a new addition to the portfolio, Walter Roller introduces Corrosion Protection Variant V with stainless steel core tubes and end plates, combined with coated aluminium fins.
This corrosion protection variant has been specifically developed for particularly demanding environments, providing a high level of corrosion resistance as a standard solution.

EasySelect with New Features
In addition to hardware, digital product selection also plays a key role. With its EasySelect selection software, Walter Roller supports consultants, system integrators and refrigeration contractors in the fast and precise selection of suitable unit coolers, heat exchangers and HKN air conditioning display cases.
At Chillventa, Walter Roller will present the latest software features. The aim is to further simplify the selection of complex applications and make planning processes even more efficient.

Three Product Lines for Different Applications
Refrigeration applications are more diverse than ever. To provide consultants, system integrators and operators with the optimum solution for different system concepts, we have structured our unit cooler portfolio into three specialised product lines:
- MultiRef for direct expansion systems using A1, A2L and A3 refrigerants
- CO2Oler for applications using the natural refrigerant CO2
- H2OCooler for secondary refrigerant applications
In addition, we will present the latest developments in custom-engineered heat exchangers and our air conditioning equipment range.

Save Energy with Defrost-on-Demand
Another highlight is our Defrost-on-Demand concept. Instead of initiating defrost cycles at fixed time intervals, defrosting can be carried out based on actual demand. This helps avoid unnecessary defrost cycles and enables additional energy savings.
Visitors to our stand will gain insights into the technical implementation of the concept and learn more about its benefits in terms of energy efficiency.




