The favorable factors for developing gas air conditioner in Tianjin region are analyzed, and the characteristics of gas direct-fired lithium bromide absorption water chiller-heater units are discussed.

• 摘要分析了天津地区发展燃气空调的有利因素，探讨了燃气直燃式溴化锂吸收式冷热水机组（燃气直燃机）的特点。