在日本,每年生产的家用空调器已达到三百万台,并且需要量仍在不断增长。它可分为三大类型:窗式、分离式与可移动式。过去几年里,分离式用得最普遍,主要是由於它可和所安装的房屋结构配得上。拿全世界来讲,美国和日本是生产空调器的主要国家,在那里它们有遍及全球的市场,并且销售额逐年在增长。这个增长,是由于有许多地区过去认为空调器不是一个必需品,而 In Japan, the number of domestic air conditioners produced annually has reached 3 million units, and the demand is still growing. It can be divided into three types: window, separate and removable. In the past few years, the most common type of separation was due to its compatibility with the structure of the house to be installed. Take the world as a whole, the United States and Japan are major countries in the production of air conditioners, where they have markets all over the world, and sales are growing year by year. This increase is due to the fact that in many areas air conditioners were not considered a necessity in the past