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Rotary heat and energy recovery unit Domekt-R-190-V, 183 m³/h

As the popularity of small residential apartments is growing in the construction market, we have created a suitable ventilation unit with recuperation DOMEKT R 190 V. This particular unit is a modification of one of the best sellers in the Scandinavian market DOMEKT R 200 V. It was adapted for ventilation of smaller apartments.

When designing this ventilation unit, the most important task for the engineers was to fit it in the kitchen cabinet. The kitchen spaces are small and it is a pity to use cabinet space for other appliances, so the solution was to connect the kitchen hood directly to the ventilation unit. The ventilation unit is installed in the least used space – above the kitchen stove. When the unit is covered with a furniture panel, it smoothly merges with the kitchen interior.

Main advantages of DOMEKT R 190 V:

  • Capacity – 183 m³/h.
  • One of the most compact in the entire ventilation market: depth – 32.5 cm, width – 60 cm.
  • Efficient non-freezing rotary heat exchanger, especially suitable for the climate conditions of the Nordic countries.
  • Integrated control automation.
  • Integration into the kitchen furniture is possible.
  • Connects directly to the KOMFOVENT hood.


In small apartments, the spaces are arranged in a compact way, so the odors quickly spread throughout the apartment during cooking. The additional connection to the kitchen hood at the bottom of the DOMEKT R 190 V extends the purpose of the air handling unit. Direct connection of the air handling unit to the KOMFOVENT kitchen hood improves air circulation during cooking and significantly reduces the odors spreading in the apartment.

The ventilation unit with integrated kitchen hood serves 2 functions:

  • Ventilates the premises. It provides clean air, removes impure air, and recovers the heat.
  • Removes vapors generated during cooking from the stove and maintains indoor air balance. When the kitchen hood is switched on, the unit automatically increases the supply of air to the premises and decreases the amount of air exhausted from the premises.


Advantages of Domekt R units
Heat energy saving
In the process of ventilation the heat of the exhaust air is recovered to the supplied air.
Efficient heat
Under the normal operational conditions, the rotary heat exchanger does not freeze: even at outdoor temperatures below -20 °C, no additional warming up required of the outdoor air which results in efficient heat energy saving even at hard frosts. The application of the rotary heat exchanger allows reducing the energy consumption for warming up the supply air by approximately 4 times.
Air humidity balance
Under the normal operating conditions the condensate does not form in the process of heat exchange in the rotary heat exchanger, because most of the humidity is returned to the premises. The excess moisture is removed outside. The air in the premises is less drained and the air humidity balance is maintained. As the condensate does not form, the drainage is not necessary – this simplifies the mounting of the unit.
Low noise level
Domekt R air handling units are equipped with silently operating fans and sound insulation, which ensures low noise level.
As an additional protection for very low outdoor temperatures such as -30 °C and lower, it is recommended to use duct mounted preheater.
Rotary heat exchanger
Advantages of rotary heat exchanger
  • high efficiency coefficient
  • not freezing
  • 4 times lower energy consumption for warming up the air
  • humidity is transferred to supply air – a lower power humidifier may be needed
  • no drainage is necessary – easy unit installation
  • very compact in size
  • cooled air may be recovered that results in the reduced energy consumption for air cooling
The efficiency on the demand: two levels of rotor efficiency are available. Optimum efficiency is achieved with L type rotor, higher values may be reached with optional XL type rotor.
Air handling units are equipped with two types of rotary heat exchangers:
  • heat exchanger is made from aluminum foil (AL). It recovers heat (during the heating season) or cold (in summer, if the air is conditioned). It recovers moisture
  • heat exchanger is made from hygroscopic aluminum foil (AZ). It recovers heat (during the heating season) or cold (in summer, if the air is conditioned). Heat exchangers of this type regenerate moisture more efficiently.
Energy efficient EC motor
Rotary heat exchangers are equipped with EC motors, which ensure the smooth rotor operation and control.

Brand: Komfovent