- ventilation system design
- chiller installation
- air pipe installation
- air pipe thermal insulation
- ventilation system adjustment
- air duct disassembly
- powder coating
- air duct installation
- centrifugal air duct installation
- smoke removal duct installation
- flexible air duct installation
- air regulator installation
- air heater installation
- air heater automatics installation
- air filter installation
- silencer installation
- flexible insert installation
- grille and diffuser installation
- smoke exhaust valve installation
- smoke exhaust valve electrical connection
- AHU installation
- ventilation electrical equipment connection
- recuperator installation
- ventilation system maintenance