A 132 m2 detached house built in 1977 had water radiator heating. It has been transferred to geothermal heating. The collecting circle was dug into the field with total length about 800 m.
Fields can provide heat.
The old ventilation unit was replaced with a new heat recovery system equipped ventilation unit. The efficiency of machines is at least […]
The City of Hamina replaced the old fluorescent lighting of the Ruissalo sports hall with LED technology in autumn 2017. Before the […]
Olhava School switched from oil heating to wood chips. The current oil boiler remained as a backup heat. The new wood chip […]
Cities only occupy 3% of the land area but produce 80% of the GDP and 90% of innovation, however, they also produce […]
