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Old 10-05-2016, 10:01 PM   #11
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I JUST sat down after installing a Majestic propane direct vent fireplace. It's super rad. I was set on wood stove, a friend even gave me one, but for where the bus is parked and how often i need to come and go, propane is a good fit.

I did a lot of research and like mentioned propane ventfree just puts off a ton of moisture. I read 1 cup for every pound of propane. That's too much for me especially since i am in Virginia where it is always high humidity.

Did a rough install today to get a feel for it. I always try to get something just good enough and sit with it for a bit before i invest a lot into construction, in case i change my mind, or realize something isnt going to suit me. Better i barely completed it when i take it apart than do a full install and sit down and go "oh crud, this wont work."

A considerable amount of heat exits the vent, where as ventfree all the heat stays in the bus. Prefer tot be efficient as possible. I was surprised how well it radiated heat on low. Still have some kinks to iron, and may move it to the next window bay for a better fit. Also need to make a permenant vent cover.


Here is a picture

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Old 10-05-2016, 10:29 PM   #12
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vented units with open flame inside are usually about 70% efficient... dual heat exchanger units with a closed combustion chamber are 90-95.. they operate similar to a home furnace... and you can install a 3rd heat exchangeer if you are adventurous and have a way to keep the flue stack moving envenly at low temperature..

I did it on my home furnace and surmise im at 99% efficiency on that now from my measurements..
-Christopher
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Old 10-05-2016, 11:01 PM   #13
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Quote:
Originally Posted by Carytowncat View Post
I JUST sat down after installing a Majestic propane direct vent fireplace. It's super rad. I was set on wood stove, a friend even gave me one, but for where the bus is parked and how often i need to come and go, propane is a good fit.

I did a lot of research and like mentioned propane ventfree just puts off a ton of moisture. I read 1 cup for every pound of propane. That's too much for me especially since i am in Virginia where it is always high humidity.

Did a rough install today to get a feel for it. I always try to get something just good enough and sit with it for a bit before i invest a lot into construction, in case i change my mind, or realize something isnt going to suit me. Better i barely completed it when i take it apart than do a full install and sit down and go "oh crud, this wont work."

A considerable amount of heat exits the vent, where as ventfree all the heat stays in the bus. Prefer tot be efficient as possible. I was surprised how well it radiated heat on low. Still have some kinks to iron, and may move it to the next window bay for a better fit. Also need to make a permenant vent cover.


Here is a picture

Imgur: The most awesome images on the Internet

This looks like it's just perfect for my wife! Where did you get it?
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Old 10-06-2016, 03:39 AM   #14
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I bought this for a beautiful price on Craigslist. A better version of me would have waited for help to load it onto the bus but i was excited.

I am also enjoying the flames without having to store wood or clean up ashes, and i can shut it off completely with a switch instead of having to wait for it to die down. I am not knocking a wood stove because wood stoves are the cats meow, but for my needs ths fits like a glove.
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Old 10-06-2016, 06:30 AM   #15
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Originally Posted by cadillackid View Post
id want a dual heat exchanger model.. seeing as how propane in a tank is a finite resource id want to extract as much heat from it as I could..

-Christopher
depends on the cost, it all goes back to how well your bus is insulated. no insulation and a steel ceiling and it can be 100 % efficient and your going to be gobbling up the gas.
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Old 10-08-2016, 07:19 PM   #16
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Hi Carytowncat

What heater did you get as this sounds very interesting?

Thank you
Howard
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Old 10-08-2016, 08:54 PM   #17
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An Empire propane fireplace. It's pretty big. There is a picture in an earlier post of this thread. So far so good, in fact i have to turn it off every few hours it gets too hot. we'll see how it does during heavy winter.
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Old 10-10-2016, 12:30 PM   #18
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I have been looking at this unit for my bus. It's a 25K BTU, so it will certainly throw some heat, even without the blower. It does need to be vented through a 4" Type B oval pipe. Fits inside a 2x4 wall space.

B-Vent Gravity Wall Furnaces - Empire Heating Systems

Just not sure if it's not too big.
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Old 10-10-2016, 08:09 PM   #19
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I saw one of those on Craigslist recently. They'll throw out some heat.
I have an Empire direct vent furnace 18k btu i think, but its for natural gas and i only have propane. You're welcome to it if you have a nat gas tank.
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Old 10-11-2016, 09:07 AM   #20
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Thanks for the offer, but like you I am limited to propane as well.
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