Responsible for providing all forms of heating, ventilation, and air conditioning duties for the maintenance, repair, calibration, fabrication and installation of electrical, electronic, pneumatic and manual controls on all heating, ventilation, air conditioning and refrigeration equipment in the facilities. Responsible for, but not limited to, the maintenance, repair, calibration, fabrication and installation of electrical, electronic, pneumatic and manual controls on all heating, ventilation, air conditioning and refrigeration equipment in the facilities.