Off-beat but well-tested heaters from the U.S. military may be right for certain boat situations. Several models of powered or non-powered, free standing, liquid multi- fuel, space heaters.
[Hunter Manufacturing Company, USA]
Sometimes it′s more economical to heat the person than the cabin. This 12-volt heated blanket, wrapped around you, might be just enough to avoid running a more draining heat source.
[RoadPro, Elizabethtown, PA, USA]
Two sizes of 120-volt forced-air heaters to keep your engine from freezing and help it start easily in cold weather.
[Benasco, Inc., Edisto Beach, SC, USA]
Sells and installs electronic navigation, communication and entertainment equipment, refrigeration, air conditioning and heating systems and watermakers in Rhode Island and southern Massachusetts. Has affiliates in British Virgin Islands and Antigua.
[Cay Electronics, Portsmouth, RI, USA]
Dealer and consultant in many related systems, including refrigeration, air conditioning, desalinization, and heating.
[Ocean Options, Inc., Tiverton, RI, USA]
Calling themselves "The Marine Plumbing Specialists" Ocean Link engineers, supplies and installs water and fuel tanks, watermakers, fresh water systems, and air conditioning and heating systems in Rhode Island and Southeastern Massachusetts.
[Ocean Link, Inc., Portsmouth, RI, USA]
This unusual heat-circulation fan generates its own electricity. Place its bottom on a hot stove with its top away from high heat, Made to circulate the heat from a wood stove, but could be used on a closed stove on board.
[Caframo Limited, Wiarton, ONT, Canada]
A selection of 25 12-volt fans sized from 1" to 4.7" square. Useful for unobtrusively moving heat around the boat.
[Jameco Electronics, Belmont, CA, USA]
Specialty hose for vent ducting, electrical conduit, water, sanitation, fuel, drains, and other purposes.
[Trident Marine Systems, Canonsburg, USA]
Wireless, marine smoke alarm, with low-battery signal and alarm mute to temporarily silence alarm during ventilation.
[MTI Industries, Inc., Volo, IL, USA]