The housing company of two small apartment buildings in Kauniainen

The housing company of two small apartment buildings in Kauniainen is looking for a more cost-effective heating solution than district heating. Thorough calculations and studies showed the best option and it was easy for the board of the housing association to make a decision on the transition to geothermal energy.

The heating system of the houses built in 1965 had come to an end. The rise in the price of district heating was the single biggest factor why the Board of Directors of As Oy Kauniaisten Laaksotie 7 was looking for a new solution. The board of the housing association wanted clear comparative information and calculations to support decision-making.

Based on the calculations and studies, it was decided to transfer the house connected to the district heating network entirely to geothermal energy. The geothermal system was combined with mechanical exhaust heat recovery with PILP technology. At the same time, the heating network of the housing association was renewed. The radiators were converted to low heat radiators, resulting in higher efficiency of the heat pumps.

The payback period for the ground source heat pump system was calculated to be approximately 11 years. The calculations have been very true.