Project - ENE-HVAC

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Project - ENE-HVAC

Energy efficient heat exchangers for HVAC applications (ENE-HVAC)

Start date October 1st 2012. Ended in October 2015.

Purpose of project
In residential and commercial buildings, Heating, Ventilation, and Air Conditioning (HVAC) systems constitute about 35% of the total energy consumption. Although today, heating is the most energy demanding need, there is an increasing demand for cooling which is expected to increase even further in the years to come due to climate changes.

To decrease the overall energy demand, it is vital to look for new and innovative technologies for increasing the efficiency of currently applied state-of-the-art HVAC systems.

To efficiently tackle the need for less energy demanding HVAC systems for both residential buildings and commercial facilities, the overall focus of EnE-HVAC focus will be on the energy efficiencies heat transfer addressing on both the air sideand the refrigerant side of the systems. It will also, importantly, tackle the energy transportation within the system to ensure maximum efficiency. This will require very high performance characteristics of the refrigeration agents in use.

To ensure a significant impact on global warming, there will be a focus on developing the use of coolants with no HFC and CFC content.

The specific aim of EnE-HVAC is to facilitate a significant reduction of the total energy consumption in modern HVAC systems by combining a range of new nanotechnological solutions.


The project is divided into 7 work packages:

  1. Anti Ice Surfaces
  2. Surface induced refrigerant fluid phase changes
  3. Nano-fluid development
  4. Technology validation
  5. Demonstration
  6. Dissemination
  7. Financial and administrative management


  • Danish Technological Institute
  • ESI GmbH
  • Dansk Varmepumpe Industry A/S

The project was funded by the Seventh Framework Program.