What is the difference between vacuum hot water unit and atmospheric hot water boiler for hotel heating and domestic hot water?

I come from the engineering department of our hotel. Our hotel is located in Tianfu New District, Chengdu, and it is a five-star hotel. At that time, after consideration and comparison, we chose a vacuum hot water unit to provide heat for our room. Compared with the traditional boiler outlet water temperature, it is more stable and the energy consumption is also reduced. The most important thing is that multiple machines can be connected in parallel, and the boiler operation can be controlled respectively according to the high and low peaks of our own water consumption.

Of course, there are many vacuum hot water units on the market, and our group has higher requirements for boiler brand and quality. I suggest that you still look for reliable big manufacturers and brands when choosing. The company we cooperate with is called "Chengdu Aoyuan Thermal Energy". Generally speaking, they are very professional in all aspects.