VIP-Energy is an application used for calculating the energy performance for buildings. The energy balance of the building hour by hour for a whole year. A complete yearly hour by hour calculation only takes a couple of seconds irrespectively of its complexity. This unique feature makes testing different scenarios very easy.


Quick: A complete yearly hour by hour calculation only takes a couple of seconds irrespective of its complexity.


Easy: VIP-Energy comes with a library of material, walls, ceilings and roofs, floors, windows, valves, heat pumps etc. Which makes it easy to get started. Personal, or for the client custom-made, databases as well as calculation templates can be stored in order to render the work more effective.


Accurate: The dynamic calculations in VIP-Energy have been developed through many years of research. The high quality of the calculation model ensures valid results even for challenging architecture such as passive houses.


Validated: VIP-Energy has been validated with: IEA-BESTEST, ASHRAE-BESTEST and CEN-15265 and more than 20 years of research and commercial use.


General: VIP-Energy can be used for all types of buildings and usages worldwide. VIP-Energy is used by all professions involved in the building industry.  

Energy balance


  • Dynamic calculation
  • Hour by hour calculation
  • Calculates the energy demand for heating and cooling
  • VIP-Energy comes with a library of materials, walls, ceilings and roofs, heatpumps etc.
  • Zone calculations for unlimited amount of zones
  • VIP-Energy is the energy calculation software that will help your building become more energy efficient.
  • VIP-Energy can be used by everyone in the construction industry.


Energy balance of a building