Directly passing high-temperature steam into water will of course produce a lot of vibration noise, and the heat exchange efficiency is not good. The best thing is to buy a soda-water mixing muffler heater. There are two types: immersed type and pipe type. The muffler heat exchange effect is good. I have used Ximen Electromechanical's muffler heater. The thermal efficiency is very high and it can basically be fully converted. There will be a little vibration but it is within the normal range. Overall it is very good.