Greg,
You may be on to something. I looked up the specs of a similar marine stove and was surprised at what I found.
BTUs:
• One 3400 BTU Simmer Burner
• One 9200 BTU Top Burner
• 5100 BTU Oven
• 5500 BTU Broiler
If this works, this would definitely save money on propane and be much more convenient. I'm guessing a contraption like this might make it more efficient?
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My tank is stored in a locker in the stern so it's exposed to the cold. At what temperatures does propane have issues flowing out of the tank?
I don’t know at what temp propane won’t vaporize, but I used to BBQ all winter and never had a problem. I don’t think that is a problem In Chicagoland temps.
As others have pointed out, moisture and CO are a concern. The electric heater can help some with the moisture, as well keeping some ventilation open while using propane to heat. Winter is usually a low humidity season in Chicagoland.
One other thing I used once was a portable catalytic heater that mounted on a 1-pound propane bottle. Same device I used in the tent when winter camping. Maybe this is what a Mr. Buddy is…not sure. How long did you let them run for? Maybe they just needed to burn off for a while?
I once bought a WWII-era kerosine heater on EBay for winter camping…it looked sketchy, but I was bound and determined to try it. I set up a tent in the snow in my back yard…lit the heater and climbed into my sleeping bag. I unzipped one of the windows for ventilation. Wasn’t a restful night, and at 4:00 in the morning, I hear footsteps crunching in the snow…and I hear “Greg, are you still alive?”. Wife couldnt sleep either worrying I was going to be asphyxiated in my sleep. Sold it on eBay after the test…
Your best bet is probably the electric heaters for every day heating. I only supplemented with sort of “burning fuel” heat when I really needed extra heat. But then you have other concerns/issues.
+1 for Florida….will be 83F or so today. Only real decisions are “beach or pool” and “beer, G&T, or Mai Tai”?
Good luck with your winter projects!
Greg