Air conditioning on a small sailboat - SailNet Community
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post #1 of 21 Old 03-14-2012 Thread Starter
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Air conditioning on a small sailboat

Hello All -

My girlfriend is asthmatic and it gets awfully muggy here in Toronto. I'm getting either a Nonsuch 22 or another vessel in the 25' - 27' range and want to instal a proper A/C unit that runs off dockside 110 volts (not DC off battery) BUT...
ideally don't want it seawater cooled (cuz I HATE making holes in the hull - the less the better). I've owned a Cruisair drop-in-the-hatch (heavy, noisy, crafty, ugly but BOY will it freeze you out !!) and don't want that again.

Any thoughts ?? Any input would be appreciated.

Thanks
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post #2 of 21 Old 03-14-2012
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Re: Air conditioning on a small sailboat

Do you really need the cooling or could you just filter the air?..Dale

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Re: Air conditioning on a small sailboat

Thanks, Dale.

I DO need the cooling - (but not the FREEZING).

Cheers
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Re: Air conditioning on a small sailboat

Keep air conditioner on dock & pipe it in? ...Dale

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post #5 of 21 Old 03-14-2012
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Re: Air conditioning on a small sailboat

All proper Marine units use sea water for cooling. A free standing portable unit that uses a vent tube would be a good choice.
"portable ac units" - Walmart.com

Denise, Bristol PA, Oday 30. On Tidal Delaware River, Anchor Yacht Club.
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post #6 of 21 Old 03-14-2012
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Re: Air conditioning on a small sailboat

Quote:
Originally Posted by sidney777 View Post
I have seen the "portable" AC used. @6000 to 12,000 btu sizes.... It is the newer type of ac for offices, homes, etc.... The AC unit sits inside and it has @5 inch flexable hose (kinda like a clothes dryer hose) out of the back. This hose exhausts the hot air. Theses ac units are more expensive than window units.
The Walmart examples linked above appear more expensive and heavier.

I like the idea of it not sitting in the companionway like a wall unit however.
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post #7 of 21 Old 03-14-2012
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Re: Air conditioning on a small sailboat

I tried one with the hose inside the cabin it did not work for me still to hot. as for freezing the thermostat must not have worked. you set it to the temperature you like and it controls it and keeps the temp constant.

That derelict boat was another dream for somebody else, don't let it be your nightmare and a waste of your life.
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post #8 of 21 Old 03-14-2012
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Re: Air conditioning on a small sailboat

lol, in the hvac biz..AC is 18-20 degrees inside temp lower then the outside temp.
It's the low humidity that makes it comfortable. If a unit can bring you down to 70 on a 100 degree day it's over sized, but some people like that.

Denise, Bristol PA, Oday 30. On Tidal Delaware River, Anchor Yacht Club.
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post #9 of 21 Old 03-15-2012 Thread Starter
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Re: Air conditioning on a small sailboat

Hi Denise -

OK... you KNOW yer onions about A/C. I'm talking about the small interior of a Nonsuch 22 and I am liking the idea of some reasonable bulkhead mounting of a 5000 BTU 'portable' unit as close to the cabin top as I can with a single exhaust hose being vented 'outside' somehow. At around 6' of headroom, the cabin space must be around 7' of beam by 10' in length i.e. roughly 70 sq. ft or 420 cubic ft.

I would imagine that this would do the trick - what say you (and thanks, BTW)
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post #10 of 21 Old 03-15-2012
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Re: Air conditioning on a small sailboat

One way or another, I want to be camping dockside mush more often this summer!!
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