It seems that this does not exist. Floor heating only began to appear in Urumqi in 2004. At that time, commercial buildings did not use floor heating, and only some office buildings and commercial buildings used it. It was not until 2007 that houses built by real estate companies began to use underfloor heating on a large scale. After that, underfloor heating officially entered the commercial housing market.
Illegal. According to relevant public information surveys, the law stipulates that no unauthorized dismantling or modification of the floor heating system is allowed during residential interior decoration activities. Underfloor heating renovation in Urumqi requires legal application and construction to ensure the renovation project meets the requirements before construction can begin.