Founded in 1991, Tianjia is a professional company integrating R&D, manufacturing, sales and service in the environment and heat utilization. It has five major bases in Nanjing, Tianjin, Guangzhou, Chengdu and Kuala Lumpur, and more than 70 sales and service outlets. Tianjia Nanjing headquarters base has also obtained the National No. 001 Industrial Green Building Samsung certification.

Tianjia’s distinguished customers include: Zhongnanhai, Great Hall of the People, Beijing Bird’s Nest Stadium, Water Cube, Wukesong Stadium, CNPC, Sinopec, State Grid, Nanjing CNPC Panda, Hangzhou Xiaoshan Airport, HNA Group, Shangri-La, Manila National Ocean Park , Al Muneera, SM Plaza in the Philippines, Unilever, etc.

Tianjia is an excellent central air conditioner supplier for China Metro. It has successfully served nearly 70 subway lines in Hong Kong, Beijing, Shanghai, Guangzhou, Shenzhen, Nanjing, Suzhou, Hangzhou, Wuhan and other cities. Tianjia is a professional clean environment system integration supplier and service provider in China. In the microelectronics industry, hospital operating rooms, biopharmaceuticals and other professional purification fields, Tianjia's market share exceeds 40%. Tianjia focuses on indoor air quality (IAQ) in the field of clean environment. Its product line includes clean units, fresh air haze removal machine, clean air treatment machine, module machine, multi-connection, screw machine, centrifuge, and ORC low-temperature waste heat generation system.

In terms of international cooperation, in 2015, Tianjia established a global strategic joint venture with United Technologies Corporation (UTC). Tianjia centrifuge, water-cooled screw machine, and air-cooled screw machine are manufactured by technical license of UTC's American Carrier Company. At the same time, Tianjia acquired the Purecycle series ORC low-temperature power generation system of UTC's Puhui Company, and Tianjia obtained the Purecycle trademark and more than 100 international patent copyrights. This low-temperature power generation technology can be used in geothermal power generation/six major industrial waste heat power generation/photothermal power fields. As of 2019, hundreds of Tianjia Purecycle units have generated power normally in projects in the United States, Europe, Japan and other regions.

In 2018, Tianjia acquired SMARDT, the global oil-free chiller (OFC) technology founder. In 2019, Tianjia Heating Energy and Golden Eagle International jointly acquired the world's second largest ORC geothermal power generation equipment manufacturer, Exergy, Italy.