Commercial ventilation

Heater for heat exchanger freeze protection

Duct heater for supply air post-heating with external control

Inline mixed-flow fans in sound- and heat-insulated casing with the air flow up to 540 m³/h.

Inline mixed-flow fans in sound- and heat-insulated casing. Air flow up to 1670 m³/h.

Filter boxes are designed for use in supply ventilation and conditioning systems requiring high level of air purification and disinfection.

Mixed-type duct fans with EC motors in casings with noise and heat insulation. Air flow up to 1750 m³/h.

Centrifugal fans in a metal casing for round air ducts. Air flow up to 4410 m³/h

Sound- and heat-insulated mixed flow duct fans with air flow up to 600 m³/h and with EC motor.

KRD excess pressure relief valves are used in smoke protection, ventilation and air conditioning systems to regulate the pressure difference between adjacent rooms.