I just bought my Promaster, 136, 2500, HR. Trying to figure out how to 'arrange' solar panels on the roof.
Definitely adding a Maxxair to the back of the van, centered, I think. I am looking at after market roof racks, I think that would be a lot easier. But, pretty comfortable with Renogy solar panels. I get the 175's I would need at least 2, three would go off the side of the van in a straight line, but provide more power than I would probably need.They are 52.3x26.4. If I go with 100's they are are 41.8 x 20.9 .
With a MaxxAir, Fridge, lights and kitchen, I need 300w on the roof to be close, 400w would be plenty. Trying not to scrimp as this is my first experience and I don't want to run out of juice and prefer to not pull off the vehicle battery unless I am using the 12v for 'emergencies'. Three 175's would be over by about an inch if I lined them up straight across. Four 100's would be the same problem. Not sure how that affects the stealth aspect, but I would like to keep the stealth aspect available if I need to sleep on a public street.
Thoughts on how to arrange to panels? I think putting less holes in the roof by using a rack that clamps to the feet is a good idea but am open to ideas on not only racks but install thoughts.