I have a 31 foot bunk house with a full wall slide out and a 13500 BTU air unit. I have checked the inlet and outlet of the unit and I get a good 20 deg. difference but my RV stays about the same as the outside temp with vents and windows closed. I have sealed every place that the air flows and its better but not good enough. Is my air to small (13550) and if so if I replaced it with a 15000BTU unit would it be a big enough difference to change?

if you can add a second ac would be best but on that trailer a 13,5 is to small

What kind of outside temperatures are you dealing with? Full sun or shaded?

Rhigley wrote:Calif./Arizona most the timeDO you set A/C at say 72*F and then leave it...let it run as neededOR Do you WAIT until it's already warming up THEN turn on A/C ?????Get an early start and cool it before it gets warmed up.Lot of latent heat in furniture/walls---ceiling to cool before you will get rig cooled down.Keep it cool and don;t let it warm up.13.5K is marginal but doable15K would be better but 1/2 of your available 30A will be used for A/C so you would need to do a little 'electrical load' managementIE: Fridge, Water heater on propane and iffy on microwave at same time A/C on

air cond. | Good Sam Community

Old-Biscuit
Explorer III
Oct 20, 2017
Rhigley wrote:
Calif./Arizona most the time

DO you set A/C at say 72*F and then leave it...let it run as needed

OR

Do you WAIT until it's already warming up THEN turn on A/C

?????

Get an early start and cool it before it gets warmed up.

Lot of latent heat in furniture/walls---ceiling to cool before you will get rig cooled down.

Keep it cool and don;t let it warm up.

13.5K is marginal but doable
15K would be better but 1/2 of your available 30A will be used for A/C so you would need to do a little 'electrical load' management
IE: Fridge, Water heater on propane and iffy on microwave at same time A/C on
Rhigley
Explorer
Oct 20, 2017
Calif./Arizona most the time
jkwilson
Explorer III
Oct 20, 2017
What kind of outside temperatures are you dealing with? Full sun or shaded?
Rhigley
Explorer
Oct 20, 2017
I only have 30 amp service.
newman_fulltime
Explorer II
Oct 20, 2017
if you can add a second ac would be best but on that trailer a 13,5 is to small

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