Energy Renovation of Buildings the Skin of a Building 70’s Housing Developments in Barcelona Montbau’s Housing Developments Renovation

Table 17: Overall Summary Montbau neighborhood without rehabilitating and rehabilitated with optimal solutions, in years 25 and 50. Total consumption of heating energy, CO₂ eq with the economic scenario cost of 6%.

ASSEMBLY DISTRICT OF MONTBAU	Number of households	Constructed area	Total heating energykWh	% Reduction in heating energy	Total emissions Kg CO₂ eq	% Reduction in CO₂ eq emissions heating	Total Cost of heating energy 6% €	% Reduction in heating energy cost
NO REHABILITATION, YEAR 25	1.959	160.286	179.776.348		49.498.919		28.150.418
REHABILITATE, YEAR 25	1.959	160.286	106.051.437	41	31.531.808	36	41.993.197	-49
NO REHABILITATION, YEAR 50	1.959	160.286	335.603.543		97.093.345		149.925.283
REHABILITATE, YEAR 50	1.959	160.286	157.999.235	53	46.743.719	52	82.410.581	45