A humidifying device comprising: a water tank (202) for storing water; a water pump (205), which is connected to the water tank (202) via an upper water pipe (251); and a water channel (241), which is connected to the water pump (205) via a lower water pipe (252), wherein the water pump (205) is configured to pump the water from the water tank (202) to the water channel (241). Further disclosed is an air handling system.

Disclosed is an air handling system, comprising: a top cover (1), a base (5) and at least one air handling device (2, 3, 4) arranged between the top cover (1) and the base (5). An air outlet (102) is arranged on the top surface of the top cover (1), and at least one air inlet (191) is arranged on the bottom surface of the top cover (1); an air inlet is arranged on the bottom surface of the base (5), and at least one air outlet is arranged on the top surface of the base (5); and at least one air inlet (431) is arranged on the bottom surface of the air handling device (2, 3, 4), and at least one air outlet (432) is arranged on the top surface of the air handling device (2, 3, 4).

An air handling system comprising a top cover (1), a base (5) and at least one air handling device (2, 3, 4) arranged between the top cover (1) and the base (5). At least one air inlet (191) is arranged on the bottom surface of the top cover (1), an air inlet is arranged on a side wall of the air handling device (2, 3, 4) adjacent to the base (5), and at least one air outlet (432) is arranged on the top of the air handling device (2, 3, 4).

A humidifying device comprising an air duct penetrating axially through the humidifying device, a water tank (201b) for storing water, and a filter element (204b) disposed in the water tank. The water tank (201b) surrounds the air duct. Further disclosed is an air handling system.

Disclosed is a top cover (1) of an air handling system, comprising: a first air inlet (181) and a first air outlet (182), which are both arranged at the bottom of a side wall of the top cover (1); and an air detection module, which is arranged within a space of the top cover (1) and located in an airflow passage between the first air inlet (181) and the first air outlet (182). Further disclosed is an air handling system comprising the top cover (1).

The invention relates to an air purification device comprising a casing (1) that houses a fan (2) and a filter (3) placed in front of said fan (2), such that air passes through said filter (3) and exits the casing (1) by means of said fan (2), and is characterised in that said filter (3) is placed in a replaceable part (4) mounted in a detachable way in said casing (1), said replaceable part (4) comprising material with volatile substances (5). It allows an air purification device to be provided which allows for the purification of air and the diffusion of volatile substances at the same time.

The window air conditioning and heating unit controls the environmental conditions within a room of a building. The window air conditioning and heating unit mounts in a window of the room. The window air conditioning and heating unit measures and monitors the temperature of and the humidity in the air in the room. The window air conditioning and heating unit comprises an environmental control structure, a control circuit, and a housing. The environmental control structure provides the heat and mass transfer capabilities required to control the temperature and humidity within the room. The control circuit controls and powers the operation of the environmental control structure. The environmental control structure and the control circuit are contained in the housing.

The window air conditioning and heating unit controls the environmental conditions within a room of a building. The window air conditioning and heating unit mounts in a window of the room. The window air conditioning and heating unit measures and monitors the temperature of and the humidity in the air in the room. The window air conditioning and heating unit comprises an environmental control structure, a control circuit, and a housing. The environmental control structure provides the heat and mass transfer capabilities required to control the temperature and humidity within the room. The control circuit controls and powers the operation of the environmental control structure. The environmental control structure and the control circuit are contained in the housing.

An air purifier comprising at least one removable particulate filter, a fan or impeller and a motor for driving said fan or impeller, a top and, opposite thereto, a base and means for elevating said base from the ground, at least one side surface connecting said top and base, a base air intake disposed on said base and facing the ground in a working configuration a top air intake on said top and facing away from the ground in a working configuration and an air outlet located on said side surface.

An air cleaner can include a first body including an intake port, configured to intake air, and a discharge port, configured to discharge the air to an outside, a fan disposed inside the first body between the intake port and the discharge port, the fan being configured to transfer the air from the intake port to the discharge port, and a second body disposed above the discharge port, spaced apart from the discharge port, and detachably coupled to the first body. In addition, a width of the second body can be larger than a width of the discharge port.