Quote:
Originally Posted by Long & Winding road
Thanks for the info. I might try to mod the Colman interior vent cover like yours down the road. I think I will wait for some hot weather to kick in again to see how my mods are doing. My AC is working much better this year over last year so anything else is a bonus. The key is heat managment with any RV. Keep all the heat out is the keep.
I Might add one or two more vents to the ceiling near the cockpit area (esp after I feel the increased are flow with your vent mod). Any thoughts on that? Will it weaken the air flow on the other registers were I wont see any gain? Or perhaps it will help since the cockpit area is the hotest part of the RV?
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The cool (ugh. not again.) thing about the vent system is that they're all able to be closed. I really like that. So if you add a bunch of extra vents at the front or in the ceiling panel itself, you can always close them if you need to.
Yeah, if I have ALL the vents open, the airflow say at the very back where the bedroom vents are will be weaker. But if you're in the very back, maybe in bed getting sweaty (lol. tmi.), you can close off every single vent except for the two over the back bed and have tons of airflow where you need it. In my opinion, adding extra vents to the system or the ceiling panel is a mod with really no downsides. These roof AC's don't run super cold evap temps, and increasing evap airflow doesn't effect the evap temps that drastically. That means you need a ton of air exchange in the entire coach to cool it down since the temp drop is so little (15-20 degrees lower than intake temps). If the output temps were 40 degrees below intake temps, it wouldn't take that much airflow to cool things down. That's not how these systems work.
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