How much is Tongyi air energy maintenance in Huadu District, Guangzhou? Huadu Tongyi Air —— heat exchanger and casing heat exchanger are easy to scale and break. The outlet water temperature of air energy water heater can usually reach 50-60 degrees Celsius. In this temperature range, water is easy to scale in zui. If the heat exchanger cannot be cleaned regularly, it will burst for plate heat exchanger, and for sleeve heat exchanger, its inner tube will break R crack, which will lead to the failure of the whole heat pump water heater unit. The above is the comprehensive management experience of water experts for many years, and I hope it will be useful to everyone!