Fresh technology for fresh products – our counter evaporators in focus
When temperatures rise, reliable cooling becomes essential. Especially in summer conditions, maintaining the cold chain and ensuring freshness of food products is crucial.
Our counter evaporators of the UT / FK / GS / V series are the ideal solution: compact, powerful, and perfectly matched for use in refrigerated display and presentation counters.
Modular. Custom-made. Made in Germany.
Whether in supermarkets, butcher shops or delicatessens – Roller evaporators impress with energy-efficient performance, easy maintenance and flexible installation options.
Made in Gerlingen – for the highest quality and reliability.

Series and customised air coolers for refrigerated furniture
- Scalable modular system: Customisable for different cooling furniture, applications and dimensions
- High-quality materials: Thick copper tube walls and robust fin design
- Made in Germany: Custom and series production
- Fast delivery: Tailor-made heat exchangers even in small batches
- 1:1 reproduction: Replication of existing heat exchangers for seamless integration – including other brands
- Operating pressure: Up to 80 bar for high-pressure refrigerants (e.g. CO₂)
- Materials: Copper tubes (CuDHP) with thick walls
- Fin spacing: From 3.4 to 10 mm with alternating arrangement
- Corrosion protection: For protection against airborne, corrosive substances, corrosion protection type D is available (tinned Cu pipes, block with 2K coating)
High-performance, sustainable units for all current and future refrigerants
We set new standards in energy efficiency, environmental responsibility and sustainability. Discover our innovative heat exchangers designed for your specific cooling application and benefit from durable, high-performance cooling technology.

Roller EasySelect: Configure counter evaporators quickly and intuitively
- Scalable modular system: Tailored to various refrigerated furniture and applications
- High-quality heat exchangers: Made in Germany for maximum durability and quality
- Fast delivery: Custom-made heat exchangers also available in small series with short lead times
- 1:1 reproduction: Reproduction of existing heat exchangers for seamless integration
We hope you found the topics presented interesting and relevant.
Thank you for your trust in our products and our work. Please stay with us in the future – we look forward to continuing to support you with innovative solutions and proven quality.
Kind regards,
The Walter Roller Team