Portable 12k BTU Installed In Toy Hauler
I recently did the AC ducting Mod on my 13.5 Dometic AC. I posted earlier that I found that the ducts inside the AC compartment were barely open not allowing much cold air to travel though the duct s...
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Those A/C units produce a high volume of air that needs to exit that vent. You might want to check the amount of back pressure of the exhaust air as that exit vent has lots of holes but it has much more solid space. I had a similar setup for an Cruisair unit and it could only be made to work properly once the vent was opened up. Changed it out to an expanded metal grid and everything was great.
