As ducts pass through interior lockers, natural surface heat loss creates useful drying compartments. This surplus heat is also doing much for heating those hidden corners beneath the cabin floors. Fuel is drawn from the main boat tank and actual consumption is so small it does not materially affect the capacity of fuel carried for the engine. A battery connection is necessary to drive the initial ignition, fuel system and main air fan. However, Espar units are designed to offer a balance of economic electrical draw with optimum heat and air power performance.
Geographical locations do effect the specifications for a heater.
For live aboard systems, you must consult an Authorized Espar Marine Dealer. Too view this brochure you will need Adobe Acrobat Reader. You will be prompted to indicate which platform you run,the language you choose and then click on a download button. This automatically executes the download and prompts you to save the program to your computer. When this is complete you will have the capability to read any PDF file.