A Space-Saving nZEB Air Conditioning Solution
Here are few of the many functions and features the HRA-i-PLUS Vertical Stack provides:
Efficient and Customizable Climate Control
The Vertical Stack unit combines heating, cooling, ventilation, air purification, and dehumidification in a single compact system – ideal for nZEB buildings. Choose between its 2kW post-heater, or 1kW pre-heater + 2.7kW post-heater configurations, and maintain comfortable indoor temperatures year-round.
Flexible Airflow Configuration
The Vertical Stack’s modular design lets you configure air supply and heating to suit the layout of your space. Easily change the air outlet from the top of the unit to the front to best meet your needs.
Compact Design with Vertical Installation
The Vertical Stack heat pump solution is slim yet powerful. At 693 mm x 2080 mm x 315 mm, it can fit into narrow spaces while providing the level of accessibility needed for maintenance.
Smart Air Quality Monitoring
Equipped with CO₂, VOC, and humidity sensors, the Vertical Stack automatically adjusts its operation based on the air quality needs of the room. It autonomously regulates ventilation, temperature, and humidity levels, resulting in improved comfort and energy savings.
Intuitive Control Options
Control the Vertical Stack using a convenient wall panel. This user-friendly interface allows homeowners to manage comfort settings with precision and flexibility.
Contact Us
If you think the Vertical Stack could be the right solution for your home or your project, contact us now. We’re here to answer whatever questions you might have.

