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

doublereefed
Explorer
Explorer
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,
9 REPLIES 9

ktmrfs
Explorer
Explorer
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.
2011 Keystone Outback 295RE
2004 14' bikehauler with full living quarters
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Lwiddis
Explorer
Explorer
Twenty degrees above ambient is fine. We are camping!
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad

doublereefed
Explorer
Explorer
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.

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

DFord
Explorer
Explorer
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.
Don Ford
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'09 HHR 2LT or '97 Aerostar MiniVan (Remco driveshaft disconnect) for Towed vehicles
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Roger10378
Explorer II
Explorer II
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.
2005 Cardinal 30TS
2007 Chevy 2500HD D/A

IB853347201
Nomad
Nomad
A 35000 btu model might do it
2010 Suncruiser

Old-Biscuit
Explorer II
Explorer II
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
Is it time for your medication or mine?


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Lwiddis
Explorer
Explorer
18000 BTUs will keep you warm but with marginal insulation it will run a bunch. Cold weather trip in July?
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad