Highly-efficient ventilation units

The new generation of MAICO ventilation units with heat recovery, the WS 320  ensures perfect room air without the need to open any windows.

PERFECT  for single- and multiple-family units and offices up to 450 m2

WHAT IS HEAT RECOVERY – The highly efficient cross counterflow heat exchanger ensures that the energy in the exhaust air can be reused and transferred to the fresh supply air. In addition, the fact that it is equipped with an enthalpy heat exchanger makes it possible to transfer humidity to the supply air, which is an advantage in winter, when otherwise the room air is dry.

Latest Features:

  • Highly efficient, intelligent, centralised ventilation unit with heat recovery for comfort ventilation.
  • Compact and very quiet unit for wall / standalone mounting (optional)
  • DC motors with integrated, automatic volumetric flow regulation for constant air volume (“volumetric flow consistency”)
  • The DC motors can be operated via the optional additional pressure constant” PCB ZP 2
  • An easily accessible USB port for service/start-up characterises all unit variants


The WS 320 is a highly efficient, intelligent, centralised ventilation unit with heat recovery. The Unit is extremely compact and very quiet suitable for wall or standalone mounting. The WS 320 is the only unit in its class to hold the A+ energy efficiency class label. Uniting the latest technology in ERV development and integrated web server options so you can control your WS 320 via the app ‘Air@Home’ on your smartphone when at home or out and about.

THE RESULT OF INSTALLING THE WS 320 IS COMFORTABLE DOMESTIC VENTILATION. Thanks to the continuous, optimum level of ventilation, the fabric of the building is effectively protected against mould and the expensive renovation work that it can lead to. The ideal room air also minimises the risk of adverse effects on health, such as asthma, allergies, headaches and much more.


Download Brochure

A healthy life is inextricably linked to what we breathe. Air is the first and most important nourishment for all life forms. On average, a person breathes more than 12,000 litres of air per day.

Dehumidification Solutions

Control your indoor climate with energy-efficient and reliable dehumidifiers.

View all products

Virus Prevention

Viruses, bacteria and other germs are not only found on surfaces, but also in the air, especially indoors.

View all products

Dristeem Humidifiers

Shop our Gas, Electric or Steam Humidifier range. DEHUM PTY LTD is the preferred and only Australian supplier of the driSteam range.

View all products