Services and Maintenance


 Our experienced service engineers can perform maintenance, repair, upgrade of working plants with same efficiency both on board ship all over the world and inland under any circumstances.

FREHOTEC-N.GAVALAS offers economical maintenance contract packages for all kind of applications.

Our service department have a team of fully trained and qualified refrigeration service engineers who at a short notice regularly travel to vessels & factories worldwide.

Our engineers are available in a 24 hours basis for 7 days per week.


  • New installation of A/C & provision plants


  • Removal and extension of existing ones


  • Repair and maintenance


  • Scientific drawings & calculations


  • Project management


  • New constructions


  • Refrigerant conversions


  • Maintenance and repairs