An air conditioner is provided. A main body of the air conditioner is provided with an air outlet facing a front lower side of the main body. An upper passage is arranged above the air outlet and in communication with the air outlet, and is adapted to supply air forwardly. An upper air deflection assembly is used to direct air to flow out of a terminus of the upper passage. The upper air deflection assembly has an upper air diffusing plate. A front air deflection assembly is used to direct air to flow out of a terminus of the air outlet.

An air conditioner is provided. A main body of the air conditioner is provided with an air outlet facing a front lower side of the main body. An upper passage is arranged above the air outlet and in communication with the air outlet, and is adapted to supply air forwardly. An upper air deflection assembly is used to direct air to flow out of a terminus of the upper passage. The upper air deflection assembly has an upper air diffusing plate. A front air deflection assembly is used to direct air to flow out of a terminus of the air outlet.

An HVAC air freshener comprises a cylindrical housing having at least one opening in the wall of the housing along the length of the housing, the housing adapted to be inserted through an opening in a planar portion of an HVAC plenum or ductwork, a magnetic ring encircling and attached to the housing near one end of the housing and adapted to magnetically attach to an exterior planar surface of the plenum or ductwork, and a fragrance cartridge inserted into the housing. The fragrance from the fragrance cartridge escapes from the cartridge through the housing opening and into the plenum or ductwork.

An HVAC air freshener comprises a cylindrical housing having at least one opening in the wall of the housing along the length of the housing, the housing adapted to be inserted through an opening in a planar portion of an HVAC plenum or ductwork, a magnetic ring encircling and attached to the housing near one end of the housing and adapted to magnetically attach to an exterior planar surface of the plenum or ductwork, and a fragrance cartridge inserted into the housing. The fragrance from the fragrance cartridge escapes from the cartridge through the housing opening and into the plenum or ductwork.

A heating, ventilation, and/or air conditioning (HVAC) system includes an air handling unit configured to condition an outdoor air flow to generate a ventilation air flow. The HVAC system includes a terminal unit fluidly coupled to the air handling unit. The terminal unit includes a plenum configured to receive the ventilation air flow and a blower configured to draw a return air flow from a space serviced by the HVAC system across a heat exchanger of the terminal unit and into the plenum to condition the return air flow. The blower is configured to mix the ventilation air flow and the return air flow to generate a supply air flow. A displacement ventilation (DV) diffuser is configured to receive the supply air flow. The DV diffuser is configured to direct the supply air flow through a filter of the DV diffuser and into the space.

A heating, ventilation, and/or air conditioning (HVAC) system includes an air handling unit configured to condition an outdoor air flow to generate a ventilation air flow. The HVAC system includes a terminal unit fluidly coupled to the air handling unit. The terminal unit includes a plenum configured to receive the ventilation air flow and a blower configured to draw a return air flow from a space serviced by the HVAC system across a heat exchanger of the terminal unit and into the plenum to condition the return air flow. The blower is configured to mix the ventilation air flow and the return air flow to generate a supply air flow. A displacement ventilation (DV) diffuser is configured to receive the supply air flow. The DV diffuser is configured to direct the supply air flow through a filter of the DV diffuser and into the space.

The present disclosure provides a fixing structure including a base, a first fastener, and a second fastener. The first fastener is disposed on the base and comprises a first hook portion, a first accommodation portion and a first opening portion. The second fastener is disposed on the base and comprises a second hook portion, a second accommodation portion and a second opening portion. A guiding groove is defined by and located between the first and second fasteners and is in communication with the first and second accommodation portions. A positioning channel is defined by the guiding groove, and the first and second accommodation portions, collaboratively. The first and second opening portions are located on the opposite sides of the positioning channel, respectively.

The present disclosure provides a fixing structure including a base, a first fastener, and a second fastener. The first fastener is disposed on the base and comprises a first hook portion, a first accommodation portion and a first opening portion. The second fastener is disposed on the base and comprises a second hook portion, a second accommodation portion and a second opening portion. A guiding groove is defined by and located between the first and second fasteners and is in communication with the first and second accommodation portions. A positioning channel is defined by the guiding groove, and the first and second accommodation portions, collaboratively. The first and second opening portions are located on the opposite sides of the positioning channel, respectively.

The present disclosure relates to an air-diffusion system, a computer-implemented method of designing an air-diffusion system, an apparatus for additive manufacturing an air-diffusion system, and a method of additive manufacturing an air-diffusion system.

The present disclosure relates to an air-diffusion system, a computer-implemented method of designing an air-diffusion system, an apparatus for additive manufacturing an air-diffusion system, and a method of additive manufacturing an air-diffusion system.