• Install auxiliary components to heating-cooling equipment, such as expansion and discharge valves, air ducts, pipes, blowers and dampers, following blueprints.
• Make work schedules daily,weekly,monthly,quarterly and annual. 
• Perform preventive maintenance of HVAC units. 
• Perform other task assign by superiors. 

•  Install air-conditioning units. 
•  Fabricate frames for air-con units to be installed. 
•  Regularly check and maintain the companies air-conditioning units. 
•  Install drainage pipes for the condensate of air-conditioning units. 
•  Check and replace defective circuit breaker and magnetic contactors of electric motors. 
• Troubleshoot and repair refrigerated air dyers. 
• Check pipe leaks of refrigerated air dyers. 

• In charge of releasing of the spare parts in the warehouse.
• Repair electrical appliances like electric ovens,gas stoves,extractor fans,deep fryers,water heaters,washing machine,electric fans,rice cookers, and mincers.
• Troubleshoot,repair electrical motors and  motor controls,Wye/Delta connections. 
• Install electrical wiring of houses and offices.

• Repairs all the defective refrigeration equipment’s like Refrigerated Vans,Refrigerated trailers such as (Thermoking ,Carrier Thinline,Daikin,Mitsubishi),Freezer rooms,Cold storage and Ice making machines.
• Repair Car air-conditioning units.
• Install different types of air-conditioning units (wall mounted,ceiling cassette,ceiling suspended,ceiling concealed,floor standing,Centralized unit.
• Assemble the box of cold-rooms and freezer rooms.
• Repair and overhaul semi hermetic compressors(Carlyle,Copeland,Bitzer,Gea Bock)
• Perform preventive maintenance of all refrigeration units all over the country where 61 branches out of town.
• Manage the junior technician in their jobs.