Combined with proper insulation a vent fan can both keep your van cool and help you deal with moisture and condensation.
Sprinter van roof vent condensation.
It is recommended to crack the vent fan open even on cold nights to allow the condensation from your breath to escape the van.
The evacuated air needs to be replaced with fresh air or the roof fan won t be able to do it s job.
These wind powered roof vents are small so ideal for ribbed roofs such as those on a sprinter van.
The job of the roof fan is to take air from inside the van and pull it outside the van.
If the fan is located in the rear of the van the front windows could be used as air intake.
When there is a large temperature difference between the cold outdoors and a warm humid van interior condensation will form on the cold surfaces.
The biggest difference between the maxxair fan and the fan tastic line is the built in rain cover preventing any moisture from getting inside.
While it is normal occasionally and at a certain level precautions should be taken during the van conversion by selecting the appropriate materials techniques but care should also be taken after the conversion in the day to day.
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The extraction rates can get quite high so they re more effective than the louvred air vents on the roof.
The most noticeable condensation will appear on your windows it can also form on your roof or walls if not properly sealed.
This insulation setup should work very well for most people in most climates.
They can pick up quite a speed when driving to draw out air.
Condensation and moisture are pretty much inevitable when living the vanlife.
But if you regularly deal with extreme heat or extreme cold there may be a few other things to think about which we discuss below.
Our pick best rv roof vent fan for van life.