I'm looking at a ventilator to prevent mildew from taking over my boat. I'd like to get your opinions of what works-doesn't work. I notice West has a vent that uses the wind to move air out of the cabin; then there are the solar powered ones, and the battery powered ones. The main question is what's best; then again, the question becomes, at what price do i get results? Will the low-end one be effective enough? (climate is lower Potomac/chesapeake bay area where humidity is a given). Thanks.
Ventilation
- Thread starter Eric 14700
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Solar Vent
Eric: I would suggest that you install 1 or 2 solar vents to exhaust the air from the boat. If you are near 110vac power, then get 2 of the turbo fans. They put out a little heat and also blow the air around. We have used this combination for several years and it works well. The only problem with the solar fans is if they are covered by either tarps or snow, they won't work.
Eric: I would suggest that you install 1 or 2 solar vents to exhaust the air from the boat. If you are near 110vac power, then get 2 of the turbo fans. They put out a little heat and also blow the air around. We have used this combination for several years and it works well. The only problem with the solar fans is if they are covered by either tarps or snow, they won't work.
Nicro Vent
When I bought my L37 it had a NIcro Vent (solar-powered) installed. It had been great doing it's job. One thing you must consider, also, is how much moisture is already contained within the cabin. If the cushions have been splashed with salt water or if there is salt water present wintin the cabin, it will continue to draw moisture within. If you are OK and want to circulate air, then I would recommend a Nicro Vent for the times that the boat is butone-up.
When I bought my L37 it had a NIcro Vent (solar-powered) installed. It had been great doing it's job. One thing you must consider, also, is how much moisture is already contained within the cabin. If the cushions have been splashed with salt water or if there is salt water present wintin the cabin, it will continue to draw moisture within. If you are OK and want to circulate air, then I would recommend a Nicro Vent for the times that the boat is butone-up.
need to control moisture
Remember that ventilation lets in air but in a marine environment the air is going to be humid. What you need to do is control the humidity. The best ways are air conditioning or dehumidifiers.
Remember that ventilation lets in air but in a marine environment the air is going to be humid. What you need to do is control the humidity. The best ways are air conditioning or dehumidifiers.
Dehumidifier question...
Is a dehumidifier more effective when the temp is falling,(early evening), rather than rising temp, (morning), given the atmospheres ability to hold more water vapor at higher temps... I am contemplating running one on a clock rather than a continuously operation via humidistat and wonder if it'd be cheaper/more effective to do it that way... (how 'bout it Gord?)
Is a dehumidifier more effective when the temp is falling,(early evening), rather than rising temp, (morning), given the atmospheres ability to hold more water vapor at higher temps... I am contemplating running one on a clock rather than a continuously operation via humidistat and wonder if it'd be cheaper/more effective to do it that way... (how 'bout it Gord?)
dehumidification
Dale: A dehumidifier is most effective when the relative humidity is highest. Use a humidistat to control it. You could disallow the humidistat by placing a time clock in series, thereby reducing the maximum run-time to a preset duration. I wouldn’t. Relative humidity (RH) can be defined as: The ratio of the amount of water vapor in the air at a specific temperature to the maximum amount that the air could hold at that temperature, expressed as a percentage. So warmer air will express a lower RH, than would cooler air with the same amount of water vapour. Hence, you could expect the RH to be higher in the late afternoon, when temperatures are usually highest. FWIW Gord
Dale: A dehumidifier is most effective when the relative humidity is highest. Use a humidistat to control it. You could disallow the humidistat by placing a time clock in series, thereby reducing the maximum run-time to a preset duration. I wouldn’t. Relative humidity (RH) can be defined as: The ratio of the amount of water vapor in the air at a specific temperature to the maximum amount that the air could hold at that temperature, expressed as a percentage. So warmer air will express a lower RH, than would cooler air with the same amount of water vapour. Hence, you could expect the RH to be higher in the late afternoon, when temperatures are usually highest. FWIW Gord
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