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Old 02-18-2019, 07:22 PM   #1
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Our conversion --- propane question

Good evening everybody,



I wanted to share our IG link and website of our bus build. Also does anyone have experience with propane consumption when there are 5 people, propane will run the floor heat and hot water (with ONE tankless water heater) as well as cooking. We have a 30 gallon tank we plan to install.


Thank you!!!



www.thebusfor.us

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Old 02-18-2019, 08:50 PM   #2
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When you say "floor heat," do you mean radiant? If you do, and you plan to do much cold camping, you're going to need a metric buttload of propane. The big horizontal tanks are pretty pricey from what I've seen. On the bright side, with that big pusher, you could make plenty of space under the bus for that sort of thing.

The radiant option here that I find most impressive (and practical) is somewhereintheusa's Espar Diesel boiler. It sips diesel fuel (of which you're already carrying plenty), and provides radiant heat to the living space, hot water (via a heat exchanger in an 11 gallon marine water heater), and heat to the engine cooling system for those cold mornings.

...Of course, if "floor heat" didn't mean that, you might wish to disregard this.
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Old 02-18-2019, 09:49 PM   #3
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Well... we live in Minnesota, as you can see on my IG it gets pretty cold here. However, we will have a wood burning stove as main heat source. The floor heat is tubing with water/ liquid agent in it heated by the propane powered water heater. The tank is a 30 gallon stationary tank that I will mount under the bus.

I checked into the Diesel boilers... too much for our budget!



Thank you for your reply!
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Old 02-19-2019, 07:50 AM   #4
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However, we will have a wood burning stove as main heat source.
Just a heads up.....if your main source of heat in MN is going to be a woodstove, don't undersize it like we did. Our Cubic Grizzly is nice and all....takes the chill off pretty well....but we couldn't overwinter in Minnesota, it just doesn't have enough burn time.
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Old 02-19-2019, 09:56 AM   #5
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Originally Posted by thebusfor.us View Post
Well... we live in Minnesota, as you can see on my IG it gets pretty cold here. However, we will have a wood burning stove as main heat source. The floor heat is tubing with water/ liquid agent in it heated by the propane powered water heater. The tank is a 30 gallon stationary tank that I will mount under the bus.

I checked into the Diesel boilers... too much for our budget!



Thank you for your reply!
Are you certain it's a 30 gallon tank, and not 30 lb? I'm not aware of a 30 gallon horzontally mounted propane tank (which is no real indicator of whether it exists), and I doubt you would have room to mount a 30 gallon vertical tank under your bus.
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Old 02-19-2019, 10:01 AM   #6
Mini-Skoolie
 
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Oh, I take it back. There is a nominal 30-gallon (29-point-something) horizontal tank.
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Old 02-19-2019, 11:37 AM   #7
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A bit of googling will show a huge range of standard sizes available in horizontal DOT style tanks well suited for camper / trailer / expo truck usage.
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Old 02-19-2019, 11:46 AM   #8
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The diesel hydronic solution is a lot more elegant than carrying a huge propane tank around.

But lots pricier too.

Make sure not to pay propulsion fuel taxes if you burn a lot of it for heating purposes.

WRT embedded floor radiant systems, get your interior layout locked down first, so you don't end up heating your storage spaces. Ideal is running along both sides of your "corridor".

A few points of instant forced-air or radiant heat are also needed to get the living space warmed up quickly from low temps, embedded hydronics can have an hour or more lag time.

Finally, plan for being able to let it get all frozen up. Nothing worse than having to keep the living space warm when nobody's home.

At least easy winterizing, fast and cheap.
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Old 02-19-2019, 12:14 PM   #9
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Are you certain it's a 30 gallon tank, and not 30 lb? I'm not aware of a 30 gallon horzontally mounted propane tank (which is no real indicator of whether it exists), and I doubt you would have room to mount a 30 gallon vertical tank under your bus.
This is what I am using, 29.3g, not quite 30. 48" x 15". Mine will mount in the left rear corner underneath where the exhaust pipe was, plenty of room there, though my bus is big..
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Old 02-20-2019, 06:42 PM   #10
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I have a 12 gallon 50# tank. Iíve used 18 gallons of propane since last May. That isnít heating full time, but I canít believe how long it lasts.

If you have a 30 gallon I would expect it would go for a good while between fill ups.
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