Energy Recovery Units
SupraBox COMFORT
SupraBox COMFORT energy recovery units are characterised by top performance and smart features. This makes it easy for you to find the right solution for your application.

SupraBox COMFORT energy recovery units are characterised by top performance and smart features. This makes it easy for you to find the right solution for your application.
Rosenberg SupraBox COMFORT energy recovery units are extremely space-saving and stand out above all for their high energy efficiency. They impress with their durable components, precise workmanship and state-of-the-art technology. Different versions with horizontal or vertical connections as well as ceiling units offer the right device for every installation situation. Removable doors (SupraBox COMFORT H and V) and easily accessible components make every service interval a breeze.

The SupraBox COMFORT units with horizontal (H) connections are available in three sizes with a nominal air flow rate of 1,000 m³/h, 1,600 m³/h and 2,000 m³/h.
SupraBox COMFORT H | 1000 H | 1600 H | 2000 H |
|---|---|---|---|
Nominal air flow rate | 1.000 m³/h | 1.600 m³/h | 2.000 m³/h |
External pressure increase | up to 200 Pa | up to 250 Pa | up to 500 Pa |

The SupraBox COMFORT units with vertical (V) connections are available in three sizes with a nominal air flow rate of 1,000 m³/h, 1,600 m³/h and 2,000 m³/h.
SupraBox COMFORT V | 1000 V | 1600 V | 2000 V |
|---|---|---|---|
Nominal air flow rate | 1.000 m³/h | 1.600 m³/h | 2.000 m³/h |
External pressure increase | up to 200 Pa | up to 250 Pa | up to 500 Pa |

The SupraBox COMFORT (D) is optimised for suspended installation in false ceilings or on the ceiling. It is available in two sizes with nominal air flow rates from 1,100 to 1,900 m³/h and integrated control.
Depending on the conditions on site, you can choose between a left-hand and a right-hand version for each size.
SupraBox COMFORT D | 1100 D | 1900 D |
|---|---|---|
Nominal air flow rate | 1.200 m³/h | 1.600 m³/h |
External pressure increase | up to 200 Pa | up to 400 Pa |
Get in touch with us or configure your SupraBox COMFORT yourself using our SupraBox SELECT selection programme.

SupraBox COMFORT energy recovery units impress across the board.
SupraBox COMFORT energy recovery units are manufactured in accordance with VDI 6022. The units have smooth surfaces (coil-coated inside and outside – RAL 7035) and are easy to clean.
The devices have a sturdy, frameless housing with double-shell side walls made of 1 mm galvanised sheet steel (coated). The insulation thickness is 60 mm.
The units have a sturdy, frameless housing. The housings are double-walled. The inner and outer sheets are made of 1 mm galvanised sheet steel (coil-coated). The insulation thickness is 40 mm.
Highly efficient counterflow heat exchangers with over 90% efficiency are used for heat recovery. Complete separation of supply and exhaust air without odour transfer is guaranteed.
Moisture recovery is available on request.
Fine dust filters of filter class ISO ePM1 ≥ 50% (formerly F7) are used as standard for the supply air, and filters of filter class ISO ePM10 ≥ 50% (formerly M5) are used as standard for the exhaust air.
The connections are sufficiently large. The connection dimensions correspond to the standard nominal widths used in the industry (round connections). Depending on requirements, versions with air supply on the left or right are available.
The connections are sufficiently large. The connection dimensions correspond to the standard nominal widths used in the industry (round connections for SupraBox COMFORT 1100 D; rectangular connections for SupraBox COMFORT 1900 D).
Free-running wheels with backward-curved centrifugal impellers and modern EC motors from our own production enable quiet and energy-efficient operation of the entire series.
The SupraBox COMFORT energy recovery units come with integrated control as standard. All internal unit components are pre-wired. Temperature control is possible with an optionally available heater or cooler. Many control functions are integrated into the software and can also be easily activated retrospectively. A control panel for setting the target values is included as standard.
The units are also available without integrated control on request.