Water floor heating system has the second name of low temperature floor radiant heating system. Its principle is connecting the hot water with the pipes underground. With 30℃~60℃ hot water circularly flowing in the pipe underground, the heat will send out to every room in your house and people are able to adjust the temperature according to personal favor. So it gets a public recognition of clean and safe heating system. But when selecting hot water source, you must choose the suitable ratio and volume equipment. Good heating equipment ensures stable water supply, and adequate heating source. The theoretical calculation shows that low temperature heat pumps are the best heating source of architecture water floor heating system.