Noisy roof AC
I have a 37' 2012 Thor Challenger with two roof air conditioner units. They are awfully loud, especially the front one, which often has a bit of mechanical noise along with the air noise. Any sugges...
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I was able to quiet my AC considerably by removing the cover and insulating it with foam around the edges and between the input and exit of the air. Be very careful to not block any airflow. I discovered that a lot of air was traveling straight from output to the input because the separation was not sufficient. After making sure the separation was better I had a better output from my duct work..
