Forum Discussion
colliehauler
Jul 10, 2017Explorer III
Redwoodguy wrote:The portable units have to pull in hot air from the outside to exhaust to the outside. The ones that have a outside intake and exhaust are a lot more efficient and do a better job. Your pulling in 122 degree air into the RV.time2roll wrote:They have a 5" exhaust hose which must be vented to thre outside. The air "intake" is at the bottom. They are on wheels.
Do the portables have air coming in and out to the exterior?
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