12. Heating
[] 1 District (block) heating or with thermal water (skip to 14)
[] 0 No heating (skip to 14)
[] 2 A boiler heats several dwellings
[] 3 Central boiler heats one dwelling
[] 4 Individual (separately for each)
12. The heating is individual if the places of the dwelling are heated separately by oven, gas-heater, etc.