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Topic Title: curious as to the downside of this cooling method
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Created On: 07/22/2012 08:32:32 PM
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 07/22/2012 08:32:32 PM
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DaleHollow
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I plan on trying a system using an evaporative cooler, .....but 2 different persons have mentioned the isssue with moisture in the air from the evaporative cooler, using this type of cooling system.....

we HB in a clear deep lake, back of the boat can easily be sitting in 30 ft plus. Pulling this cooler water from the bottom is easily done w/12 volt pump. Run it through the cooler unit with a fan drawing air across the colis, an wa la super cool air blown in the room. With the help of fans

I understand the issue of pumping water into a boat, so for the sake of horror stories concerning leaks, lets move on. Not dismissing this isssue I M prepaired to put things in place to deal with this issue.

Be interested in hearing the "first hand stories" or tips some of you are familar with thanks

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 07/22/2012 09:53:30 PM
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OLD HOUSEBOATER
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Your in the wrong part of the country for using a "Swamp Cooler". They work better in the dry western states.

However: What your discribing is NOT an evaporative cooler but rather a cooling unit using cold lake water as the cooling medium. This can work but needs a rather large raditor and fan and a GOOD water flow rate. Do a Google as this has been done before.

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OLD HOUSEBOATER
 07/23/2012 05:09:29 AM
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Bamby
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Actually one of our participants to the forums has already built the same system you're proposing but sort of labeled it differently and successful... You can view the thread here: Geo Thermal AC

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 07/23/2012 02:46:09 PM
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DaleHollow
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Originally posted by: OLD HOUSEBOATER

Your in the wrong part of the country for using a "Swamp Cooler". They work better in the dry western states.



However: What your discribing is NOT an evaporative cooler but rather a cooling unit using cold lake water as the cooling medium. This can work but needs a rather large raditor and fan and a GOOD water flow rate. Do a Google as this has been done before.


May have described it improperly, but the unit I will use is an evaporatrive cooler unit< The unit is from a walk in box, its an ideal size with water in water out , the dual fans complete the unit. Keep in mind IM only cooling a bedroom, making it very comfortable, the salon area more of a stretch but w/fans one will see a huge improvement ...... size of the unit is 12X32x36 not very big
....thanks for the heads up Ill refer to it as a swamp cooler, in reference to dry western states, compared to hot humid area i live in, part of my question is related to the amount of mositure , more interested in issues, such as the amount of moisture ill put into the living area?

the water temp I'll be seeing may be in the mid 50's we normally see our 1st thermoclines 17-18ft area, its been a while sence i have blown any air, ill keep u posted

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 07/23/2012 07:49:04 PM
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LongJohn
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I'm not too far from Dale Hollow and live aboard, and I run a dehumidifier almost all year to prevent mold. I wouldn't even consider a scenario that added moisture to the air inside.

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Harbor Master 47
Watts Bar Lake - TN River
 07/24/2012 09:13:11 AM
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DaleHollow
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Originally posted by: LongJohn

I'm not too far from Dale Hollow and live aboard, and I run a dehumidifier almost all year to prevent mold. I wouldn't even consider a scenario that added moisture to the air inside.


Long John those issues are the reasons this project may be short lived.
the pumps the exchangers and the power are handy for me.
but at the same time adding a dehumidifier, alarms and piece of mind all make some projects, too burdensome, .....so deciding what free AC is worth.

One question for you, when your HB its sealled up while you are away.
Does your boat accumalate moisture on the windows. Are you dealling with leaks?
If you are realitively close to me, high hummidity is summer time issue for sure.

We expierence our issue's with mold an mildew outside the boat than inside

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 07/26/2012 04:05:16 PM
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LongJohn
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Condensate will accumulate on the windows; inside or out depending on the season. In cold weather, I found that mold would grow inside anywhere that airflow was restricted against an exterior wall, like behind furniture or especially storage boxes in the cuddy. With no insulation, moisture will condense against the fiberglass and keep the wall treatment (paneling, wallboard, carpet ...) wet enough to allow mold growth. It takes a long time for those materials to dry out even against low RH inside. So I try to maintain a relatively low RH year round. I turn everything off except the dehumidifier when I leave the boat.

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Harbor Master 47
Watts Bar Lake - TN River
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