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post #1 of 23 Old 09-23-2019 Thread Starter
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Dehumidifiers

I am looking for a dehumidifier for a 1973 Columbia 41 Motorsailer. I want one that is self-draining and resets itself upon power loss. Any suggestions? I will put it over the galley sink to drain. Mildew is the problem. The interior space is 639 square feet.

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post #2 of 23 Old 09-23-2019
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Re: Dehumidifiers

The cheap one that I have (about $45 on Amazon) will turn itself back on if the power goes off and then on. Might be able to just drill a hole in the plastic water trap and then stick a drain tube in. It's pretty much this one:

https://www.amazon.com/Pro-Breeze-El...ateway&sr=8-14

Last edited by danvon; 09-23-2019 at 01:10 AM. Reason: found link to product.
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post #3 of 23 Old 09-23-2019
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Re: Dehumidifiers

The last time I bought one many years ago, it did all these things. Found it at home depot. You pulled the tray out and the interior funnel that directed condensation to the tray had a male garden hose thread.


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post #4 of 23 Old 09-24-2019
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Re: Dehumidifiers

We rely on the newer, non-compressor dehumidifier technology. We have two of these, and have heard nothing but positive feedback from others with the same model. It has all the features/capabilities you mention.

More details- including pros and cons- are available on our page about dehumidifiers.

Note: I see the models we have are currently unavailable on Amazon. [Although a boat friend just received two purchased ~2 weeks ago...]

You may be able to find it elsewhere if in a hurry... Or their model with a built-in ionizer may be just as quiet and effective... but I have no first hand experience with the ionizer model...

Cheers! Bill


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post #5 of 23 Old 09-24-2019
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Re: Dehumidifiers

Does it freeze where you are? The type I posted the link to tend to ice over and stop working in freezing temps.
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post #6 of 23 Old 09-25-2019
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Re: Dehumidifiers

Quote:
Originally Posted by danvon View Post
Does it freeze where you are? The type I posted the link to tend to ice over and stop working in freezing temps.
I'm not familiar with any that won't freeze in low temperatures. Long before freezing air temps. The good news is that freezing air temps won't hold much moisture in the first place.

The thought of it freezing over made me wonder what the OP intends to do. Is this for when aboard or for long term storage. The later is always a fire risk.


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post #7 of 23 Old 09-25-2019
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Re: Dehumidifiers

Quote:
Originally Posted by Minnewaska View Post
I'm not familiar with any that won't freeze in low temperatures. Long before freezing air temps. The good news is that freezing air temps won't hold much moisture in the first place.

The thought of it freezing over made me wonder what the OP intends to do. Is this for when aboard or for long term storage. The later is always a fire risk.
Fire risk is why I run a dehumidifier to try & keep the boat dry inside rather than a heater. Makes me nuts when I see boats all up and down the dock leaving electrical heaters running 24/7. I think (hope I am right?) that the low current draw and lack of a resistance heat element in a dehumidifier has to be safer.
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Re: Dehumidifiers

I suspect short circuits and overheated boat or shore wiring causes most fires, not necessarily the heating element or the device itself catching fire.


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post #9 of 23 Old 09-25-2019
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Re: Dehumidifiers

Canberra Gel helps with mold and mildew


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post #10 of 23 Old 09-25-2019
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Re: Dehumidifiers

If you have forced air heat with a well insulated (cored?) hull you'll limit humidity and condensation. I use a product I bought on Amazon which absorbs odors and moisture.

Humidity is mostly a summer problem for us as we are not on board much in the winter. In shoulder seasons we DO find moisture on alum hatch and port frames in the morning when we sleep aboard. Air however feels dry. I will check the humidity one of these days.

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