Dwellings Sector. On January 1, 2018, the dwelling stock of the Republic of Moldova represented 1,287.3 thousand units with a total area of 87.3 million m (by 0.6 per cent more than in the previous year, respectively by circa 12.1 per cent more compared to 1990). In territorial aspects, 539.0 thousand units were recorded in urban areas a total area of 38.3 million m, representing 41.9 per cent of the total registered dwelling stock. In rural settlements there are 748.3 thousand units with a total area of 49.0 million m or 58.1 per cent of the total. According to the number of rooms, in 2017 only 10.0 per cent of the total number of registered dwellings were one-room units (in comparison to 21.7 per cent in 1990), 32.2 per cent-with two rooms (47.6 per cent in 1990), 36.5 per cent - with three rooms (30.7 per cent in 1990), respectively 21.2 per cent - with four rooms and more. On January 1, 2018, circa 98.5 per cent of the total dwelling stock in the RM was privately owned (69.2 per cent in 1990), respectively circa 1.5 per cent was public property (30.8 per cent in 1990). Within 1990-2016 period, indicative energy consumption per m of total area decreased in the residential sector from circa 26.0 kg c.c./m in 1990 to circa 20.7 kg c.c./m in 2016. During 1990-2016, the gasification of the country has been successfully accomplished. This has made possible to considerably reduce the consumption of solid and liquid fuels in favor of natural gas and, after 2010 also in favor of renewable energy sources (in particular biomass). Thus, the length of the natural gas networks increased between 1990 and 2016 by circa 12.3 times (from 1.8734 thousand km in 1990 to 22.9810 thousand km in 2016), including by circa 6.5 times in urban areas (from 1.072 thousand km in 1990 to 6.990 thousand km in 2016) and by 20 times in rural areas (from