Hurtigruten ASA has operated the patented EnwaMatic Maritime Technology for over 18 years across their fleet. During this time their HVAC systems have been protected against corrosion, scaling and general fouling by a unique combination of sidestream filtration and water treatment.

Enwa has delivered EnwaMatic Maritime to several of Hurtigruten's ships:

• MS Spitsbergen - EMM F1 for Reheat Water and EMM F2 for Chilled Water (2020)
• MS Trollfjord - EMM F2 (2019)
• MS Fridtjof Nansen - EMM F3 for AC-Chilled Water (2018)
• MS Roald Amundsen - EMM F3 for AC-Chilled Water (2017)
• MS Fram - 2 x EMM F1 for HVAC (2011)
• MS Nordlys - EMM F2 (2011)
• MS Polarlys - EM 825 on heating systems and EM1252 on refrigeration plant (2004)
• MS Midnattsol - 2 x EM 1252 for heating and cooling systems (2003)
• MS Trollfjord - 2 x EM 1252 for heating and cooling systems (2002)