The terms "2-way air conditioner" and "4-way air conditioner" refer to the number of air direction control louvers or vents present in the indoor unit of a split air conditioner. These vents are responsible for directing the airflow in different directions, affecting how the cooled or heated air is distributed throughout the room. Here's the difference between the two:
2-Way Air Conditioner: A 2-way air conditioner has two air direction control louvers in the indoor unit. These two louvers can move horizontally, usually from left to right or right to left. As a result, the air conditioner can distribute the cooled or heated air in a horizontal pattern, covering a wider area left-to-right or right-to-left.
4-Way Air Conditioner: A 4-way air conditioner, on the other hand, has four air direction control louvers in the indoor unit. These four louvers can move both horizontally (left to right) and vertically (up and down). With this additional vertical movement, the air conditioner can distribute the air in a more comprehensive pattern, covering the room in multiple directions. This allows for better and more even air distribution throughout the space.
In summary, the main difference between a 2-way and a 4-way air conditioner lies in the number of air direction control louvers and the resulting airflow pattern. A 2-way air conditioner can distribute air horizontally, while a 4-way air conditioner can distribute air both horizontally and vertically, providing better air circulation and more uniform cooling or heating in the room. The choice between the two will depend on your specific cooling needs and the size of the area you want to cool or heat.