HEIKO Air Handling Units with Enthalpy Heat Exchanger
Modern construction places entirely new demands on HVAC systems. High building airtightness, increasing energy performance requirements and the need to ensure comfortable indoor conditions throughout the year mean that the way air is exchanged in a building has become critically important.
Today it is not only about supplying fresh air, but also about reducing energy losses and maintaining stable temperature and humidity levels indoors.
HEIKO air handling units with an enthalpy heat exchanger are now available in the 2026 product catalogue and represent a natural extension of the HEIKO portfolio, complementing air conditioning systems and heat pumps. They respond to the growing demand in modern buildings for high indoor air quality and energy-efficient operation.
Indoor air comfort and energy efficiency in a modern solution
The core component of HEIKO air handling units is the enthalpy heat exchanger, responsible for recovering energy from the exhaust air leaving the building. This process includes both heat and moisture recovery, allowing indoor conditions to remain more stable regardless of the season.
As a result, the fresh air supplied into the building is pre-conditioned in terms of temperature and humidity. This directly improves indoor comfort while reducing the need for additional energy used for heating or cooling the supplied air.
| Feature | HEIKO HCP (enthalpy heat exchanger) | Conventional air handling unit |
| Heat exchanger type | Enthalpy heat exchanger | Temperature heat exchanger |
| Energy recovery | Heat and moisture recovery | Heat recovery only |
| Indoor humidity | Helps maintain stable humidity levels | No humidity recovery – air may become too dry |
| Year-round comfort | High comfort in both winter and summer | Comfort dependent on outdoor conditions |
| Energy consumption | Lower energy demand thanks to moisture recovery | Higher energy demand for additional heating/cooling |
| Supply air preparation | Air pre-conditioned in terms of temperature and humidity | Air conditioned only in terms of temperature |
| Indoor stability | More stable indoor parameters | Greater humidity fluctuations |
| Application | Ideal for energy-efficient buildings | Basic solution |
| Operation | Quiet and stable operation | Depends on design and configuration |
| Technology level | Advanced technology | Standard solution |
Energy efficiency and stable system performance
HEIKO air handling units are designed so that high energy efficiency is a feature of the entire system, not just a single component. The combination of the enthalpy heat exchanger, modern DC fans and an optimised airflow design enables high efficiency while maintaining low electrical energy consumption.
This operating characteristic translates into stable and economical long-term performance, which is particularly important in buildings used all year round. HEIKO units effectively reduce energy losses related to air exchange while maintaining a high level of indoor comfort.
Compact design, quiet operation and indoor air quality
One of the key distinguishing features of HEIKO air handling units is their compact ceiling-mounted design, which makes them easy to integrate into modern technical spaces. A well-designed connection layout and the possibility of installation in different orientations allow the system to be adapted to a wide range of installation configurations in both new and renovated buildings.
Equally important is the operating culture of the unit. HEIKO air handling units are designed for stable and quiet operation, even during intensive air exchange. Carefully designed enclosures and energy-efficient fans help reduce noise levels and ensure acoustic comfort in everyday use.
The integrated filtration system further supports high indoor air quality by reducing the amount of pollutants entering the building and improving the comfort of occupants.
Intelligent control and a complete HEIKO system
HEIKO air handling units are equipped with advanced control solutions that enable continuous monitoring of operating parameters and automatic adjustment of system performance to current conditions. This allows the ventilation system to operate in an optimised and energy-efficient way, without the need for constant manual intervention.
As part of the wider HEIKO product portfolio, air handling units with an enthalpy heat exchanger form a coherent solution together with air conditioning systems and heat pumps. This integrated approach supports energy efficiency in buildings while ensuring a healthy and comfortable indoor environment in modern residential and commercial projects.