Forum Discussion
ItsyRV
Nov 06, 2019Explorer
pnichols wrote:
A lot of these hot weather recommendations include putting something in the roof vents.
Why is this necessary if you have vent covers over the vents? Vent covers prevent the sun from heating the vents themselves and also provide a layer of air insulation between the vent cover and the vent.
Our vents do not introduce heat into the interior of the coach in hot weather, but they do have vent covers permanently mounted on the roof over them to keep the sun, rain, snow, sleet, and hail off the vents. I wouldn't have an RV without vent covers over it's vents. Our vent covers allow the vents themselves to be completely open for ventilation in any kind of weather conditions.
You need to define "hot weather". In AJ this year, On June 9th it hit over 100 degrees and stayed that way until almost September 15th. I belive there was only about 5 days when the daytime temperatures fell to under 100 (98 to be precise). You also had stretches of 110 weather. Nighttime lows hit about 80 degrees. Heat transfer from vents will happen under those extreme conditions unless additional insulting measures are taken.
An occasional 95 degree warm day isn't going to matter much but when it starts hitting 105 and stays there, vent covers will start transferring heat and no roof mounted plastic cover is going to keep it out. We adapt by insulating the opening or paying for electricity.
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