Welcome to the world of Heat Exchangers

Together with you we develop customized heat exchangers, air coolers and fan coil units for your refrigeration requirements.
Either as standard equipment or system-specific as a system solution.

Walter Roller offers the optimal solution for every capacity range and every application in refrigeration technology with its wide range of heat exchangers and air coolers.

MORE DETAILS

Discover heat exchangers, air coolers and air conditioners.

Roller offers tailor-made solutions for your application!

Air Cooler and Evaporator

for demanding applications

MORE

Fan Coil Units

for a perfect indoor climate

MORE

Heatpump Evaporator

for outdoor installation

MORE

Condenser / Dry Cooler

for commercial applications

MORE

Heat Exchanger

in series and customised design

MORE

Furnitures and Walk-in Coolers

for gastronomy and commercial applications

MORE

Static air cooler

Series and customer-specific static air cooler

MORE

Air Cooler and Evaporator
Fan Coil Units
Heatpump Evaporator
Condenser / Dry Cooler
Heat Exchanger
Furnitures and Walk-in Coolers
Static air cooler

We offer solutions for these fields of application

Roller EasySelect

for thermodynamic calculation of

air coolers

More information

Innovative solutions for you!

75% lower defrost energy costs!

With the Roller air cooler defrost concept, you reduce your defrost frequency to up to one defrost per a day only and save 75% on energy costs.

MORE!

Maximum diversity in corrosion protection!

Roller offers you effective corrosion protection for all applications with which you can operate the heat exchangers safely and, above all, tightly over their entire life cycle.

LEARN MORE

CO2 deep-freeze applications with a large ripening surface?

Goes!

With the new CO2 air cooler with 12mm fin spacing

MORE

Evaporator with factory installed superheat controller

Evaporator with factory-installed E-valve and superheat controller - ready to run with 40 pre-parameterised refrigerants incl. CO2.

MORE

Luftkühler mit A2L

Alles was Sie wissen müssen!

VIDEO ANSEHEN

Klimageräte mit CO2 bis 80 bar

Nutzen Sie Ihr CO₂ Verbundsystem auch für die Kühlung Ihrer Verkaufsräume

Mehr zum Produkt

75% lower defrost energy costs!
Maximum diversity in corrosion protection!
CO2 deep-freeze applications with a large ripening surface?
Evaporator with factory installed superheat controller
Luftkühler mit A2L
Klimageräte mit CO2 bis 80 bar

Roller News

05/28/2025

Kälteanlagenprojekt der Landmetzgerei Bendel

Tradition trifft Zukunft – Walter Roller im Fischer Kälte-Klima FRESH-Magazin! Für das umfassende Kälteanlagenprojekt der Landmetzgerei Bendel durften wir als Partner erneut zeigen, wie moderne…