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Smart HVAC-systems reduces energy consumption

7 February 2019

The Smart HVAC system in Umeå's University building was studied by Nathan Zielinski (exchange student at the Department of Applied Physics and Electronics). The author evaluates the smart heating and ventilation system Lindinvent which is based on occupancy, either actual or time controlled, to operate the heating and ventilation of a building. In the study it is shown that the smart system reduces energy consumption, however there are many improvements to do.

This study is part of the Ruggedised project in Umeå and the sub-project "Demand Side Management". The main purpose is to examine how ventilation, heating, cooling and lighting can be adapted to actual needs in view of optimizing the university's energy consumption and reducing its climate impact. Sensors that measure occupancy, movement patterns and various indoor environment parameters generate data that can be used to develop better and more precise energy models.

In Nathan’s study, he compares the function of the smart heating and ventilation system with actual occupancy. His results show that there are periods of very low usage, for example in connection with vacancies, which means that there is a larger energy saving potential there. Otherwise, the investigated office areas are occupied at a maximum of 70 percent, which means that there is also a relatively large potential for reducing energy use in these premises at other times.

Read the study here.


Lisa Redin and Frida Fjellström, Umeå University