Keeping Cool

Pretty common, there is just so much insulation a mfg can stuff into a 1-1/2 inch wall cavity

mine is running constantly today in a 40' MH....about 100 outside...ac set at 85....

Um.....

You want air-condition to work .... WHERE?

We were in the high 90's over 4th of July weekend and our one unit did fine for our 5th wheel. We set it at 72 and stayed cool enough that I needed a light blanket for a nap.

IF your portable has only one hose to the outside world, it might be doing you more harm than good. Those things are a cruel joke.

The one hose blows HOT air out but that air has to come FROM somewhere to replace it......and the replacement air is HOT air sucked in from the outside through small cracks all over the structure.

When it is really hot outside, the net difference in temperature that it gives you is not going to be much. Except for the time you are actually asleep in the bedroom where it is located, you might be better off without it.

Mine got moved to the garage and isn't run hardly at all, only when I need to be in the garage for a long period. And then I leave the door to the house cracked open so the replacement air is "pre-conditioned".

If you really need a portable A/C unit, get one with TWO hoses. They work like a "normal" window or central unit.

BillPenn wrote:
Do any of the RV's manage to keep you cool when the temperatures are at or above 100? Have an older 31' 5er with one roof top A/C, and an additional "portable A/C" in the front bedroom. I'd say at best they manage to drop the inside temperature about 10-12 degrees. Is this common for all RV's, or just the older ones?

If possible, add a second A/C in the bedroom. Barring that, shade, and as much as you can find...

Lyle

When I see these types of posts, I wonder if the OP is full timing in an RV park and not able to travel. Because for us out here, when it's really hot, we go to the coast or up in elevation, or just stay home until the heat wave moves on.

It is very hard get these AC units to cool the camper when it is 90+ outside. Over the Fourth of July ours ran all day it seemed like, and we do have a 2015 model. Thankfully ours is setup for a second ac in the bedroom which I am seriously considering having installed soon. Our next trip will be up in elevation so it will be substantially cooler.:)

Two ac's keep our toy hauler quite comfortable. One unit is in the garage and the other in bed room. Both are connected to the ducts.

AnthonyC wrote:
It is very hard get these AC units to cool the camper when it is 90+ outside.

I have a 28' C; a fair amount of space but not a LOT.

One ducted A/C and it seems to keep up with 95 F pretty good BUT....
I have insulating "plugs" in all the skylights where a lot of heat comes in and I just had solar film put on the windows. The film was $$$ but it made a good difference.

Maybe you need to work on cutting down on the sun/heat that comes in ??