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Open Roads Forum  >  Do It Yourself Modifications and Upgrades (DIY)

 > 18,000 BTU Suburban heater for a 30'x 8' cargo trailer?

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doublereefed

Midway, UT

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Posted: 07/11/19 01:54pm Link  |  Quote  |  Print  |  Notify Moderator

Greetings,

I haul steam engines around in a 3 axle 30'x8' cargo trailer. I think the walls have foam insulation, but they are thin. The walls are carpeted. The floor is 3/4" plywood right on the steel frame.

Question: when we unload the steam engines we often camp in the trailer. We are doing our first cold weather trip... it could get down to freezing at the low. Do you think a 18,000 BTU Suburban heater would be able to heat that space?

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Thanks,

Lwiddis

Los Angeles area :(

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Posted: 07/11/19 02:13pm Link  |  Quote  |  Print  |  Notify Moderator

18000 BTUs will keep you warm but with marginal insulation it will run a bunch. Cold weather trip in July?


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Old-Biscuit

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Posted: 07/11/19 02:26pm Link  |  Quote  |  Print  |  Notify Moderator

Nope...too wide open of a space.
No 'mass' to help absorb/retain heat (furniture, cabinets etc.)
No insulation under floor

18K btu would do OK for heating an area directly in front of discharge


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IB853347201

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Posted: 07/11/19 02:28pm Link  |  Quote  |  Print  |  Notify Moderator

A 35000 btu model might do it

Roger10378

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Posted: 07/11/19 02:47pm Link  |  Quote  |  Print  |  Notify Moderator

Sure it will heat that space, but only to about 20 deg above ambient. If you are looking for 65 deg or more you need twice that.


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DFord

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Posted: 07/11/19 03:05pm Link  |  Quote  |  Print  |  Notify Moderator

You could try insulating it. Just make sure to cover any exposed foam with something flame resistant for safety. Another thing to try would be to hang a curtain in your sleeping area to avoid heating the whole space.


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AllegroD

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Posted: 07/11/19 04:04pm Link  |  Quote  |  Print  |  Notify Moderator

You could also remove the plywood, add some Dynamat style insulation to the floor and restore the plywood.

doublereefed

Midway, UT

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Posted: 07/11/19 04:39pm Link  |  Quote  |  Print  |  Notify Moderator

Thank you all for all the input and experience. I will look at larger units, and the idea of using a heavy curtain/partition will go a long way I think.

Lwiddis

Los Angeles area :(

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Posted: 07/11/19 04:55pm Link  |  Quote  |  Print  |  Notify Moderator

Twenty degrees above ambient is fine. We are camping!

ktmrfs

Portland, Oregon

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Posted: 07/12/19 08:35am Link  |  Quote  |  Print  |  Notify Moderator

35K unit barely works in our TT down near freezing. IMHO 18K isn't going to make you happy. May keep you from freezing, but not be comfortable.


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Open Roads Forum  >  Do It Yourself Modifications and Upgrades (DIY)

 > 18,000 BTU Suburban heater for a 30'x 8' cargo trailer?
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