A small treatment plant that is shared can provide a solution for wastewater treatment in a neighbourhood or a small town, once and for all. This has been noticed, for example, in Ostrobothnia, on the west coast of Finland.

Stora Enso's factories in Imatra, Finland were looking for a long-term solution for transporting hot process waters containing chemicals. The Weholite system proved to be a suitable solution.

Stora Enso’s Imatra mill, located in southeast Finland, annually produces one million tonnes of packaging paper and board. The Imatra mill’s two production units produce raw materials for cartons, in which juice and milk are packaged. Board is also used to produce paper cups, as well as cigarette and candy packages. Board for the graphics industry is used to produce cards, covers and luxury packages.

PE pressure sewer system pipe line is almost reach at its final destination. The length in total is almost 30 kilometers and the pipe diameter grows from 400 to 710 mm.

Kiviniityn Auto- ja Maatalouskonehuolto Oy, based in Huittinen, initiated a construction project in 2012 to implement a modern building based around geothermal energy for use as commercial premises for a shop selling tools and spare parts.

The Kastelli community centre, which was completed in 2014, is the City of Oulu's educational, leisure and culture centre that serves the residents of the city in many different ways. Uponor's underfloor heating system has been installed in the building.