Change of heating system to a hybrid solution: Ilmanmäentie 3, Kangastie 2, Riihikuja 3 and Riihipellontie 7, Virolahti

Summary

The tender concerns the procurement, installation and 7-year full-service maintenance of a heat pump system for four properties in Virolahti. The solution must provide both space heating and domestic hot water and operate alongside the existing oil heating system, except at Kangastie 2, where the existing gas system must be decommissioned. The bidder must inspect the sites, ensure technical compatibility, obtain the necessary permits and price the full life-cycle cost. A tender must be submitted for all sites, and the contract will be awarded on the basis of the lowest 7-year total cost.