High-performance energy recovery

RoofVent® is equipped with a high-perfomance plate heat exchanger. This feature lets it achieve a heat recovery efficiency of up to 84%.

Control System TopTronic C

The system flexibly adjusts to local requirements.

Infinitley variable EC fans

High-efficiency EC fans ensure a low specific energy consumption. The airflow is adapted continuously to current requirements.

Double-shell casing

Large inspection openings and double-shell design guaranteed a quick and easy cleaning and minimises therm


The automatically adjustable Air-Injector reduces the temperature stratification in interiors to 0.15 K per meter height, keeping heat loss through the roof to a minimum.


RoofVent® units are roof ventilation units for supplying fresh air and removing extract air.
They heat and cool the supply air using integrated heat exchangers. The units of the new generation are ErP compliant and meet the highest demands: They save energy using high-performance energy recovery systems and have fans with variable speed drive for need-based ventilation.


  • Heating
  • Cooling
  • Fresh air supply
  • Extract air removal
  • Recirculation
  • Energy recovery
  • Air distribution with Air‑Injector
  • Air filtration
Up to 84 % heat recovery
Saves energy through automatic load adjustment
Double-shell design for reliable operation
Maintenance-friendly access ports

More information


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