7. Main source of heating:
[] Distance (block) heating, also community heating
[] Building central heating
[] Gas convection heaters
[] Built-in electric unit (permanently installed heater)
[] Central heating serving the dwelling (floor)
[] Individual stove
Fuel most used for heating:
Only fill in if there is a central heating serving the apartment or an individual stove. Only mark one fuel, please.
[] Wood
[] Coal, coke, briquettes
[] City gas, natural gas
[] Liquid gas
[] Fuel oil
[] Electricity (portable room heater)
[] Other fuel