Hurtigruten ASA has operated the patented EnwaMatic Maritime Technology for over 12 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 Fram (2011)
• MS Nordlys (2011)
• MS Polarlys (2004)
• MS Midnattsol (2003)
• MS Trollfjord (2002)