Quote:
Originally Posted by AlbertaRvMan
Our dealer installed three maxair roof vents covers on our trailer. Two Gray in the main cabin and a black one in the bedroom to reduce sunlight.
He recommend for us to leave our vents open, even in the winter to allow for air circulation. I'm not sure if I should leave these open in the winter as I want to avoid any water from entering. In the winter the snow will be well above the height of the vent cover.
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I live in Michigan and we get a "fair" amount of snow. I wouldn't leave my vents open for these reasons:
1. Snow, unlike rain, will blow into the vent. As the temperature rises and falls, the snow will melt inside the cover and form ice. As this builds, there's a chance that it will drip into the coach.
2. Leaving the vent open (for air circulation) can only occur until the vent is covered with snow. Then it is "essentially closed" to air circulation, however any snow that may have blown in is there, in a "closed vent" to melt, support mold growth and cause "water damage" during the spring thaw.
I'd recommend against it unless you're RV is parked inside during the winter.