Implementations of vent extenders may include a first portion including a back wall, a first sidewall, and a second sidewall and a second portion including a first sidewall and a second sidewall. The second portion may be configured to extendably couple to the first portion. The vent extender may also include a pocket formed within the first portion and including a first pocket sidewall, a second pocket sidewall, a third pocket sidewall opposite the second pocket sidewall, an opening opposite the first pocket sidewall, and a base. The vent extender may also include a magnet coupled to the base of the pocket. The first pocket sidewall may be directly coupled to both of the second pocket sidewall and the third pocket sidewall. The magnet may be configured to secure the vent extender to a vent register.

A blower assembly for a heating, ventilation, and/or air conditioning (HVAC) system includes a centrifugal fan having a fan wheel. A plurality of blades are coupled to the fan wheel at an inner blade boundary and extend radially to an outer blade boundary. The blower assembly includes a first housing panel and a second housing panel disposed on opposite sides of the centrifugal fan and extending transverse to the centrifugal fan. The blower assembly includes a wall extending between the first housing panel and the second housing panel and a flange extending from the wall at a vertex. The flange extends outwardly from the wall. A first radial distance from the vertex to the outer blade boundary is between 4 percent and 20 percent of a second radial distance from a rotational axis of the centrifugal fan to the outer blade boundary.

A double-sided uniform air discharge ceiling cassette, including a case, and a centrifugal fan wheel, a first heat exchanger, and a second heat exchanger which are mounted within the case, the first heat exchanger and the second heat exchanger respectively forming an air discharge duct with two inner side walls of the case, the centrifugal fan wheel being located between the first heat exchanger and the second heat exchanger, and an air outlet of the centrifugal fan wheel facing an inner top face of the case, the inner top face of the case is provided with a flow guide plate, the flow guide plate is of a V-shaped structure with an included angle, and the included angle of the flow guide plate faces the air outlet of the centrifugal fan wheel.

Provided are a heat exchanger that makes it possible to supply air of an appropriate temperature to a plurality of blowing ports of an air-conditioning unit, an air-conditioning unit that comprises the heat exchanger, and an air conditioner. This air-conditioning unit 10 comprises a heat exchanger 20 that exchanges heat between air and a coolant, a blower 11, and an air outflow part 12. The heat exchanger 20 comprises a plurality of tubes 21 in which the coolant flows, an inlet header 23, an outlet header 24, and a fin 22. The inlet header 23 includes: a low-temperature-side coolant inflow part 231 into which coolant that has a relatively low temperature can flow; and a high-temperature-side coolant inflow part 232 into which coolant that has a relatively high temperature can flow. The low-temperature-side coolant inflow part 231 and the high-temperature-side coolant inflow part 232 are offset from each other in the direction D1 of the flow of air that passes through the heat exchanger and in an intersecting direction D2 that intersects the direction D1 of the flow of air.

Provided are a heat exchanger that makes it possible to supply air of an appropriate temperature to a plurality of blowing ports of an air-conditioning unit, an air-conditioning unit that comprises the heat exchanger, and an air conditioner. This air-conditioning unit 10 comprises a heat exchanger 20 that exchanges heat between air and a coolant, a blower 11, and an air outflow part 12. The heat exchanger 20 comprises a plurality of tubes 21 in which the coolant flows, an inlet header 23, an outlet header 24, and a fin 22. The inlet header 23 includes: a low-temperature-side coolant inflow part 231 into which coolant that has a relatively low temperature can flow; and a high-temperature-side coolant inflow part 232 into which coolant that has a relatively high temperature can flow. The low-temperature-side coolant inflow part 231 and the high-temperature-side coolant inflow part 232 are offset from each other in the direction D1 of the flow of air that passes through the heat exchanger and in an intersecting direction D2 that intersects the direction D1 of the flow of air.

A vent providing excellent airflow and water intrusion resistance in a compact design.

An air conditioner, a control method for an air conditioner, and a computer-readable storage medium are provided. The air conditioner has a body, an air outlet, and an air output assembly for adjusting the air output of the air outlet. The air conditioner further has a detection device and a controller. The detection device acquires a distance value of a target object from the air conditioner. The controller is electrically connected to the air output assembly and the detection device, and controls the air output assembly to switch among different operative configurations based on the distance value.

Provided are a defrosting control device, an air conditioner and a defrosting control method therefor. The device includes an airbag device, wherein the airbag device includes a mounting support (1), an airbag (2) and an inflation mechanism. When an air conditioner to be controlled enters a defrosting mode, the inflation mechanism inflates the airbag (2) such that same forms an airbag layer to isolate an outdoor heat exchanger of the air conditioner to be controlled from flowing air outside the outdoor heat exchanger. The defrosting control device can achieve the beneficial effects of a small defrosting heat loss, a good defrosting effect and a good user experience.

Disclosed is a mist maker featuring forced airflow to reduce moisture condensation and/or featuring airflow drifting, including: a hollow water-proof housing, a base, a atomizer, and an air blowing device, the base being disposed at the hollow water-proof housing, an accommodation space for accommodating an essential oil water solution, the atomizer being configured to atomize the essential oil water solution to form a mist; the air blowing device produces a forced airflow to push the mist; in further conjunction with a miniaturized landscape zone, a special profile is created; the forced airflow produced by the air blowing device is discharged radially via the air vents in the hollow water-proof housing, thereby carrying the mist overflowing out of the flow zone farther away to avoid mist accumulation around the mist maker and thus avoids water accumulation caused by mist condensation.

Disclosed is a mist maker featuring forced airflow to reduce moisture condensation and/or featuring airflow drifting, including: a hollow water-proof housing, a base, a atomizer, and an air blowing device, the base being disposed at the hollow water-proof housing, an accommodation space for accommodating an essential oil water solution, the atomizer being configured to atomize the essential oil water solution to form a mist; the air blowing device produces a forced airflow to push the mist; in further conjunction with a miniaturized landscape zone, a special profile is created; the forced airflow produced by the air blowing device is discharged radially via the air vents in the hollow water-proof housing, thereby carrying the mist overflowing out of the flow zone farther away to avoid mist accumulation around the mist maker and thus avoids water accumulation caused by mist condensation.