Every brand has there individual choices as to the items they put in there units, but we choose to stay away from the frameless windows because of function. I am not saying that frameless windows are a bad, but we choose function over looks. It made the decision easy when I was camping with a friend who's motorhome has frameless windows. It was clear to me after camping in both units with our families that the framed windows are the clear winner. While driving down the road in the motorhome the frameless windows do not seal as well and would make a whistling sound while driving, you can see for your self while pulling on the edge of a large frameless window that they do not seal as well as the framed windows do (imagine what they do driving down the road at 60+ mph). The airflow was what makes them the clear winner in my opinion, my Cyclone with all of the windows opened up had great cross-flow ventilation and made it a much more enjoyable experience. My friends motorhome with the frameless had very minimal airflow, this led to everyone piling up in the Cyclone because we were boon docking and did not want to run our generators all day with the A/C's on. The other item that draws me to the framed windows is time for repair. If you damage a framed window you can take it to any glass shop and have repaired quickly, where as a bonded window will need to be repaired at the dealership replacing the entire window (could take 4-8 weeks to repair). A nice woman recently asked the same question why we don't use the frameless windows at a recent RV show, and then replied and asked her if she wears her high heels camping. She looked at me crazy and said of coarse not!!! I asked her why and she replied that would not be practical, they are uncomfortable, and not functional for camping. I replied but don't they look a lot better than the shoes you normally take camping? At that moment the light went off. Frameless windows definitely look better, but when it comes to function the framed windows are the way to go in my opinion.
1. 2/3 more air flow
2. 2X the seals for less chance of leaking
3. Cannot be easily pried open
4. Repaired in hours compared to weeks (possibly months)
thanks,
AJ
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Yes we also engineered an aluminum tube that is only used at Heartland that is basically 3 tubes in one that we also stuff wood into that is over the goose neck area. This also made a huge difference in the wall strength structure as well.
thanks,
AJ