The thermal mass properties of concrete increase the efficiency of both residential and commercial buildings. Both residential and commercial buildings will be included. They support a range of residential and commercial buildings. Both included residential, commercial and industrial components. District heating distributes heat generated in a centralized location for residential and commercial heating requirements. Fires leveled 35 blocks of residential and commercial neighborhood. They represent a range of property sectors including retail, office, industrial, hospitality and residential. It is part of an HVAC system found in residential, commercial, and industrial buildings. The neighborhood is a mix of residential and commercial. It comprised palace complexes, forest and farm lands and other residential and commercial properties. North Campus is also a mix of residential and academic buildings. Brent has a mixture of residential, industrial and commercial land. Since there is no zoning, residential and commercial establishments are mixed. Subsequently, the construction of residential buildings proceeded slowly. There are urban, rural and residential schools.