Houses and buildings as opposed to flats and apartments in the block are much larger the heating energy demand for the heating in winter and cooling in summer (several hundred percent/per square meter).
Nyumba na majengo kama kinyume na kujaa na vyumba katika block ni kubwa nishati inapokanzwa mahitaji ya inapokanzwa katika majira ya baridi na baridi katika majira ya joto (kadhaa asilimia mia / kwa kila mita ya mraba) .