Hemsö | Courthouse

The Helsinki courthouse is breathing easier than before. The energy renovation modernised the building’s ventilation and building automation.

Hemsö carried out an extensive energy renovation of the Helsinki Court House, which significantly improved the indoor air quality and energy efficiency of the building.

“For example, in the court of appeal, the ventilation in the halls was always at the same level, regardless of the use of the room. Now we improved the conditions for the people working in the building and at the same time cut climate emissions by almost a fifth,” says Mika Kvist , Head of Technical Management at Hemsö Finland.

Today, carbon dioxide sensors tell the ventilation system whether the hall is empty, full or perhaps half full. The ventilation power automatically adapts to the situation.

LeaseGreen carried out the renovation on a turnkey basis. The project included design, installation of 60 supply air fans, connection of carbon dioxide and temperature sensors and optimisation of building automation. After the renovation, the property was connected to LeaseGreen’s remote monitoring system.

The payback period of the project is 6.5 years. In addition to the savings, improving energy efficiency protects against rising energy prices.

The Helsinki Courthouse is a well-known landmark and a massive building, with a total floor area of 78 000 square metres and a volume of 175 000 cubic metres. Some of the courtrooms are up to seven metres high. The Finnish State is the largest tenant of the building.

Hemsö owns, develops and operates public sector properties in Finland, Sweden and Germany. Hemsö bought a courthouse on the shores of Salmisaari in 2019.