For more than 60 years products from our house ensure the right temperatures. Through path- breaking developments in the field of refrigeration and air- conditioning engineering we have gained worldwide recognition.

Our product range covers unit air coolers, fan coils and finned heat exchangers. We only produce at our company located in Gerlingen near Stuttgart.

Fan Coil Units
Air Coolers
Heat Exchangers


Our view to the energy related products directive 2009/125/EC.[more]

Some of our brochures were updated recently, feel free to download them, or request your printed copy from our sales staff.[more]

If it comes to cooling applications, where cleanliness is an important point, Walter Roller has got the right solution.[more]

We completly redesigned our homepage. Feel free to have a look at it.[more]


HKN/D 10- 50 EC

Latest addition to our fan coil portfolio: the small HKN/D 10- 50 EC units[more]

Roller, Daikin and Carel perfom a road show in Germany to introduce latest developments for commercial refrigeration.[more]