Overview of vacuum hot water boiler market at home and abroad.

Vacuum boiler origin: Vacuum boiler originated in Japan in the 1970s, electrode boiler system spread rapidly in Japan, the formation of Japan Showa Iron Works, Tianxiong and other professional manufacturing enterprises, won the Japan "energy saving award". At present, the mainstream form of heating in Japan is a small steam boiler plus a vacuum hot water boiler, which occupies most of the market, and there are almost no other kinds of hot water boilers. After the 1990s, Korea introduced Japanese technology and began to produce vacuum boilers. There are few production enterprises and vacuum hot water boilers in Europe and America.

In 1997, Curie produced China's first vacuum hot water boiler and promoted it in Zhejiang. Fujitsu Beijing Representative Office began to promote vacuum boilers in Beijing in 2000, and began to localize them in 2005. In 2002, the State Quality Supervision Bureau issued the vacuum hot water boiler inspection exemption document, and the vacuum hot water boiler market has developed rapidly. Many boiler manufacturers have started to produce vacuum boilers, but few are the main products.

 It is used all over the country, and it is less used in Northeast China.