燃气热水器作为一种新兴的消费品，以其方便、快捷、卫生、耐用等特点，于２０世纪８０年代中期迅速进入广大城市家庭，给老百姓带来了现代淋浴文明。目前，生产各类燃气热水器的国内厂家有１００多家，年产量已经突破４００万台，社会拥有量已达到２０００多万台，且发展前景? Gas water heater as a new consumer goods, with its convenient, fast, hygienic, durable and other characteristics, in the mid-1980s quickly into the majority of urban families, brought to the common people of modern shower civilization. At present, there are more than 100 domestic manufacturers producing all kinds of gas water heaters, the annual output has exceeded 4 million units, and the social ownership has reached more than 20 million units with a bright future.