- EMCOR Group (El Cajon, CA)
- **About Us** **Job Summary** **Job Title** : Retrofit Technician **Principal Duties and Responsibilities:** + Responsible for the operations, repairs, ... replacement and preventative maintenance of commercial and industrial air conditioning and heating systems. + Must have working knowledge of chillers, boilers, air handlers, fan coil units, water treatment equipment, controls and other building mechanical and… more