Round Solar Roof Vent for RVs, Boats, Sheds, Geen house, Cars

I installed this vent into the roof of a Rubbermaid shed I use to store gasoline and other flammables. It works well to reduce heat buildup during the day. The unit is self contained and weatherproof so I don't have to worry about sparks. It actually runs so fast on a sunny day that it hums. Installation took about an hour, the biggest problem was making a snug 4 1/2 inch round hole that I could caulk to prevent water leakage. I would recommend the square version of this vent if you don't happen to have a hole saw that big but do have a saber saw.

I rated it four stars because it doesn't move as much air as I hoped for, you might want to install two in larger sheds. The unit is well made but I still plan to remove the fan unit in winter. The fan unit locks into the base ring like a smoke dector so I can easily take it off and cover the hole. I have found that items made in warm climates don't usually survive freezing Michigan winters.

I had a vent hole in the top of my van that just had a cap and no fan. I removed the cap, and all that was left was the tube. I got lucky that this vent fit right into the hole. Small tabs on the vent locked it into position. All I did was put some silicone around the edge to seal it in. The fan started running right out of the box. All I could suggest is, it could use a on/off switch for cold weather. Other than that, it works nice to keep some fresh air flowing through my vehicle.

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I bought two of these Solar Powered Roof Vents for the topper on our pickup truck. We take our two dogs with us almost everywhere we go, these vents provide extra airflow even on cloudy days. They are easy to install, make very little noise when they a running and do not increase the overall height of the vehicle by more than a couple of inches. The vents can be mounted vertically, horizontally or on an angle, as long as the surface(s) are flat. The price, $26.88 is a good value and the shipping was fast and reasonable.

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It is so small but it seems to help the 8x12 lawn shed in the 100 deg heat. New in box well packed, great product.

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This unit turned out to be smaller than imagined by the listing description / picture. It moves air, as intended, but don't expect it to make a radical change of air or temperature, say in your garden shed or whatever. Might help on your dog's house for summer venting a little.