Our 2011 340TG ducted AC hardly blows any air out of the forward AC vents. I have not checked the AC duct work yet. The rear (4 of them) AC vent have good air flow. The rear bathroom get so much air I actually bought a register that has flow restricting (adjustable) flaps in them.
I am also thinking I need to block the heater registers completely somehow. Our 5ver has heater duct in the storage compartments and to the black/gray water tanks. My thinking on ours is: Heat may be raising thru open heat ducts from 'outside' and or cold air may/could be escaping out thru the heat ducts in the floor.
I know this thought has nothing to do with the very low flow coming from the forward AC vents, but could affect cooling.
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2011 Avalanche 340TG
2001 Silverado 2500HD Crew Cab
B&W Companion Fifth Wheel Hitch
Had
2008 Hornet Retreat 38BHDS (Good camper)
2006 Terry 320DBHS (POS)
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