A winter liveaboard in Norway tells how he stays comfortable through the winter. He discusses heating, insulation, ventilation, refrigeration, battery charging, interior lighting, and holding tanks..
Here are the early signs of hypothermia at sea and some tips for preventing it - clothing, shelter, food, insulation - and treating it.
12-volt insulated coffee or soup warmer.
The chapter on ice in the sea from the 1995 edition of The American Practical Navigator, originally published in 1802 and updated by NIMA. 28 pages, with photos and diagrams, on the science of ice, with comments on ice navigation and where to get ice information.
Yacht ports and windows, fixed and opening, with 2-layer thermal panes. Stock for many European cruising boats, custom for others.