VMI Positive Input Ventilation

Ventilairsec, a renowned French manufacturer with 35 years of experience, specialise in providing intelligent Positive Input Ventilation (PIV) solutions. With their expertise and numerous product patents, Ventilairsec is at the forefront of innovative ventilation technology.

At Greentherm, we proudly offer a range of Ventilarisec’s intelligent PIV ventilation units. These cutting-edge systems are designed to enhance indoor air quality, promote energy efficiency, and ensure a comfortable living environment.

Advanced Air Filtration:

Our intelligent PIV units come wit high-quality filters to ensure clean, pollutant-free air

Customisable Air Preheating:

Electric or hydraulic preheating options allow you to control the temperature of the incoming air

Intelligent Humidity Regulation:

The built-in control system regulates internal building humidity for a balanced environment

Night Time Free Cooling:

Enjoy energy-efficient cooling as the system utilises outdoor air during cooler nights to reduce internal building temperature

Hydro Module for Active Heating and Cooling:

The optional Hydro Module enables seamless connection to water-based heating and cooling sources, providing active temperature control.



URBAN Prestige

Experience Ventilairsec’s high-performance solution, the URBAN VMI® unit, designed to bring fresh outdoor air into your home while effectively filtering and preheating it if necessary. Enjoy a constant renewal of air, free from pollutants, excess humidity, and unpleasant odors. This advanced system purifies indoor air by removing pollutants such as VOCs, CO2, and even outdoor pollution like radon, ensuring a healthier environment and protecting your family. Say goodbye to mold, condensation, and stale odors, and embrace a home that offers optimal air quality with VMI® URBAN.

  • Max flow rate: 201m3/h
  • Compact Design
  • Available in four different colours
  • Max Heating Capacity: 1100w
  • Max Output: 24W
  • Energy Rating: B
  • Max Flow Rate: 350 m3/h
  • Reduced Vibrations and noise levels
  • Large Filter: Increased life cycle
  • Max Ventilation surface area: 400m2
  • Max heating capacity: 1800W
  • Max output: 169W
  • Energy rating: B


VMI® PUREVENT® is an innovative indoor air filtration system designed to enhance the air quality in your home. With its advanced technology, this system effectively captures and eliminates airborne pollutants, allergens, and volatile organic compounds (VOCs).

Featuring a multi-stage filtration process, it ensures that you and your family can breathe cleaner and fresher air, free from harmful particles that can affect your health and well-being. The system’s intelligent sensors continuously monitor the air quality and automatically adjust the filtration settings for optimal performance.


The Cube air conditioning system offers versatile heating options with controlled preheat temperatures and 10 speed settings. It comes with a color radio remote control and offers wall or ceiling mounting options. Choose between G4 or washable polypropylene filters, and benefit from features like filter change warning and adjustable standby temperature. The Cube ensures efficient airflow, features a graphic air quality indicator, and includes Turbo Heat and Night Ventilation Cooling functions. With an output of 1140 W, it provides powerful temperature control for your space.

  • Max flow rate: 218m3/h
  • Available in two different ranges: Prestige or Cave
  • Compact housing
  • Max heating capacity: 1080W
  • Max output: 60W