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Old 09-05-2007, 22:41   #1
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How important is A/C for tropics

I mainly power boat and have been spoiled with air-conditioning. I'm now looking to sail more than in the past and wonder how important a/c is if I buy a cat sailboat. My first impressions are I want a boat with air. My wife will really want it but I know most sail boats don't have it. For those who don't have a/c do you miss it? Do you wish you had it even if you only used it on occassions?
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Old 10-05-2007, 00:32   #2
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depends whether you intend to "anchor" in marinas
sean
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Old 10-05-2007, 04:49   #3
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Mainly in anchored harbors/protected areas

I don't plan on shore power all that often.
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Old 10-05-2007, 05:02   #4
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It's not that it's so important, but rather if you can afford (or care to afford) the cost of running it. There will be enormous power requirements.

I knew many older folks (and I mean older pushing 70) that cruised in the Caribbean without it while I was working down there. I was inside a megayacht, which was icy cold at all times, but they had no issue sailing from island to island without the AC.

You just have to get adjusted to the heat, drink lots of water, go for swims, etc...
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Old 10-05-2007, 05:54   #5
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Hi Guy's

It often tickles me when I read of the comments about AC on boats and how often it's mentioned as the norm.
My family and I have sailed both the U.A.E. and the Med for many years in our 7 meter and currently have an eight meter in the Med. Cant actually say I have ever been on any sailing boat down here who has had AC.
The temperatures , by the way can easily be in the 40's ( C)

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Old 10-05-2007, 06:34   #6
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Nah, not that important.

If ya anchor instead of going to marinas, there is usually a breeze that can be directed down in the cabin with open hatches and/or a wind-scoope.

It is usually cooler on the water than on land and we only stay inside at night, sun is down then anyway and it is not hot in the boat..

I have seven 12 volt fans down below, they work fine for stirring up the air on a rainy day...No A/C needed..Or wanted.
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Old 10-05-2007, 06:40   #7
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At our Ft Lauderdale dock, we found AC to be essential for Summer comfort.
We never even considered it for at anchor comfort, during Island winters.
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Old 10-05-2007, 13:25   #8
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At our Ft Lauderdale dock, we found AC to be essential for Summer comfort.
We never even considered it for at anchor comfort, during Island winters.
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Yeah, at a marina or a dock it is a different situation:It can get dead calm and make it unbearable onboard.
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Old 10-05-2007, 14:51   #9
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It really is great on those still, hot and humid nights mostly to get rid of the humidity - don't know where all that moisture in the air comes from
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Old 10-05-2007, 16:17   #10
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A/C

I am putting air con on my new boat. In the tropics it is more the humidity that is hard to live with, particularly at night when the wind drops to nothing.
I am heavily insulating my sleeping cabin and installing a 9,000 btu Inverter type air conditioner. Panasonic make one that is very very efficient. It will be run from a Inverter attached to an 800amp/hour AGM battery pack. Charging the batteries is through a 13 hp Honda motor with 2X100 amp hour alternators.
I will let you know how it all works out.
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Old 10-05-2007, 16:26   #11
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I agree with most of the others, that if you anchor you get good air circulation through your boat and probably don't need ac. And with moving air, no mosquito issue. Tied to a dock is another story.

The thing that bothers me most is the in-and-out of cool air thing. We are much more comfortable climatizing to outdoor temperatures and not having air conditioning. We lived 7 years, 90 miles from the equator, without air conditioning and did fine. We had less illnesses than friends who were constantly in and out of the ac.

Having said that, we are planning for a week in DC in August in a marina with the grandkids. For that adventure we will take a small ac along. Whining grandkids put a whole new perspective on air conditioning.

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Old 10-05-2007, 16:40   #12
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Here at 1 degree north it's always stinking hot. I notice the motor-sailers and big yachts have A/C. Many of the regional cruisers and live aboards have a/c but I suspect they only power up at marinas.

The rest of us acclimate to the heat and pray for breezes. A/C is definitely on the list in the "luxury" category.
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Old 10-05-2007, 18:45   #13
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A/C is definitely on the list in the "luxury" category.
Says it all as far as I can tell. If you have a shore power chord it helps. You can't beat the laws of physics on the hook. It take Kw/Hr's to make it colder.
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Old 10-05-2007, 19:55   #14
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Originally Posted by Pblais
You can't beat the laws of physics on the hook. It take Kw/Hr's to make it colder.
Many cruisers need to decide if their energy budget can afford to have "A/C" for a small, insulated 3 cubic foot space also known as a refigerator, and you are talking about doing it to an uninsulated 1000+ cubic foot space. A couple of 12v fans from an RV store draw about 1/2 amp each and can make a muggy windless day a lot more bearable.
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Old 10-05-2007, 20:04   #15
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First went cruising in 1975, first time I met a cruising boat with AC 1995.
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