dometic

Our 2009 Hunter 38 (Mariner Package) has a Marine Aire (Dometic) 18,000 BTU HVAC unit in the main salon and had a similar 6,000 BTU unit in the aft cabin. Both use separate Dometic Passport I/O Digital Controls. The aft unit was not working at all when we purchased the boat in October 2020, so...

I'm a Great Lakes sailor and have an Oceanis 45 (5th season). I'd like to prepare my boat for early spring long distance cruising, so I have two questions: 1. What is the best approach to having heat while under way? I have a very nice dometic system (heating & cooling), however it only works...