The comparison of space needed
If the space is not enough or restricted,generally, people will soon choose the fast steam boiler.Fast steam boiler need only 25% space hot water boiler needed,and does not require the specialized reformation and layout,it also has a less water consumption in the furnace.

The comparison of energy-efficient
The energy-efficient supply of steam has a close connection with the use of steam,so the unavailability time must be considered.Steam boiler embodies the advantage of energy saving at startup,on average we can save 5% to 11% energy,while,the hot water boiler still has the energy loss in the normal, continuous work,after unavailability time,hot water boiler takes a a long period of time to recover to normal work.

The comparison of pressure
Hot water boiler can provide a lot of high-pressure hot water, wet steam and superheated steam, but the highest pressure of which can achieve only 32bar. In today's technical condition, hot water boiler’s water temperature can reach 240 ℃, the steam flow can reach 45t / h. From the current popular point of view, using steam boilers to provide wet steam is the best solution.Because of its less internal water and thin furnace wall ,it can reach the steam pressure predetermined in a short time and keep the pressure stable when the load changs.
The comparison of using
The steam capacity of steam boiler ranges from 150kg / h to12t / h.Under certain operating conditions,it is not required to be monitored because of less water needed, and it belongs to grade III or IV in the specified safe level in operation of equipment. However,when the pressure or capacity exceed a certain specification,hot water boiler must apply for permits before using.

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