As a form of heating in winter, low-temperature radiant heating has been used in residential buildings abroad as early as the 1930s. In the past 20 to 30 years, low-temperature radiant heating has been increasingly used in residential and villa rooms and living rooms, hotel lobbies and restaurants, shopping malls, swimming pools, garages and other buildings due to its high sanitary conditions, good comfort, uniform temperature gradient, and many available heat sources