According to the literature, this one consumes about a cup or less of fuel per hour and 1-1.5 amps. We spent a night onboard (in the side yard) and burned half a gallon in one night. About twice the rated consumption.The heater sounds really nice for how I use the boat during the winter. How long will the heater run on one gallon of diesel? I thought I heard somewhere that the fan for those heaters is about 40 watts (ie, 3 to 4 amps at 12 V) which is a significant load, something to also consider.
And here's a thermal image of the heat during out of the outlet pipe, along with a regular photo of the same scene.
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