According to Helsingin Energia, burning of activity by commune heating in Helsinki back 1970 ailing in 1971, at 67 kWh/m³/year, falling to 43 kWh/m³/year in 1997, back if it has not fluctuated greatly.41
Figures for Sweden advance that the boilerplate Swede application commune heating receives 4500 kWh/year from the system.
Figures for Sweden advance that the boilerplate Swede application commune heating receives 4500 kWh/year from the system.
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