Household air conditioning system and control method thereof

The invention discloses a household air conditioning system and a control method thereof. The system is composed of an outdoor host module, a water tank, a water pump, a water mixing valve, a radiant panel, an air supply outlet, an air return inlet, an air conditioner, an air valve, a water temperature sensor, a plurality of temperature and humidity sensors, a plurality of manual knobs and manual buttons, a differential pressure self-closing exhaust cap, a system controller and the like. According to the system, through reasonable design, the air mixing, cooling and dehumidifying functions of the air conditioner processor are fully utilized, air is subjected to various treatments, a traditional fan coil can be replaced, the cooling and heating functions of the radiant panel are matched, the requirements of different seasons and different persons are met, and the system is very suitable for small-sized residential buildings; and the influence of the operation noise of the fan coil on indoor personnel is avoide