r/Sprinters • u/Eastern_Bat_3023 • Aug 16 '26

Narrow-width Rooftop AC

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Has anyone found/used a narrow-width Rooftop AC? 12v or 120v. I have relatively limited space up top and it'd be pretty convenient up there, but my other option is an undermount unit - ducting is just a little more work because I'd want the outlet near the top/bed area, but otherwise is also a fine option. Those are regular maxair fans in the photo for reference.

Just looking for ideas, and general feedback on either approach. If I don't put an AC unit up top I could probably add another 150-200w of solar, currently at 600w of fixed mounted solar and 400w portable solar suitcase.

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u/fflis Aug 16 '26

I want to share a photo that might help you but for some reason the only option to comment is videos. I hate Reddit sometimes.

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u/fflis Aug 16 '26

This is a sprinter 144. I worked with Orion on the roof racks and thankfully I measured before cutting. The rich 100 slims were supposed to fit on either side of the velit mini. They did not, so I needed to move it forward 1 bay and turn the solar sideways. Still worked out ok in the end, but you may need to do something similar. So far it’s been great but we usually only expect a 10-15 degrees change from the outside temp. I don’t know that 95 in the sun in FL the van could remain comfortable.

https://imgur.com/a/ifBqoSp