Air Conditioning - Page 3 - SailNet Community
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post #21 of 45 Old 06-23-2008
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Quote:
Originally Posted by chucklesR View Post
I have a Mermaid 16,500 btu unit installed on my Gemini, works fine with a Honda 2000 generator which is next on my list of have to haves.
Come July, I don't even do boat maintenance without it running on shore power so I have somewhere to duck into and cool off.
We need to talk! I have the Honda 2000 and the Mermaid Marine Air 12,000 BTU unit and I was under the impression that running the A/C "at sea" (off shore power) was impossible due to the approximately 18 amp "kick in" current at the A/C "start-run" sequence. (I am aware that the March pump and the condenser motor use a lot less while in use).

Basically, if you have the larger unit and the Honda 2000 can cope with that draw at start-up (I assume you have some sort of 15 amp-30 amp connector ideally at 12 gauge or better), then I could have A/C at anchor.

A related question involves my as-yet uninstalled Xantrex RS2000 inverter...heinous as it sounds, running A/C off battery if I was feeding wind and solar in at anchor would be even nicer...

I was considering chucking the A/C as a space-waster before we head out passagmaking, but if you say the Honda can kick-start it, that would be worth getting a better set of rubber feet for the thing.
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post #22 of 45 Old 06-23-2008
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I am not an AC user aboard or ashore. Living in a refrigerator environment and then working in midsummer heat is like sure death, for me, at least. I think it's healthier for the body to adjust to the season. With a box fan pulling air out the forward hatch, and a second fan blowing on me I'm comfortable in all but the hottest windless summer, and then it's swimming time.
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post #23 of 45 Old 06-24-2008
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As a HVAC tech by trade, I think that gutting a window unit and relocating components would not work. The units have styrofoam ducting to direct air accordingly. If you cut out the condensor and relocate if then you would have to know how much freon to add according to lineset length. A better setup would be a complete condensing unit and a small evap coil with fans installed. Small enough, but air cooled won't ever cool like a water cooled on a hot day.
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post #24 of 45 Old 06-24-2008
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Originally Posted by BlowinSouth View Post
I'm not talking about mounting a window unit, I'm talking about taking it apart and installing the componets below decks and venting it into the cabin, and exhausting it overboard. (pay attention TS sheesh)
Hey, give me a break, I'm really old and had too much salt air this weekend. Actually I was responding to astraeus who did install a window unit in the companionway. Pay attention. Ha Ha Ha!
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post #25 of 45 Old 06-24-2008
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If this is the boat you are going to keep for years to come, spend the $1,500 and put in a proper marine unit. About 10 years ago, I installed a 12K BTU MarineAire unit on Paloma. Pulled the water from a T-pipe I put on the engine water inlet, put the pump under the starboard couch and the unit in the hanging locker with vents blowing into the V-berth and the main salon. What a difference, from the window unit I had in the companioway. Even on the Gulf Coast on a 100 degree day and 100% humidity, whithin an hour, you have to move the thermostat down to about 50%. I also have padded hatch and companionway covers. - they help keep the heat out as well.

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post #26 of 45 Old 06-24-2008
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This was a pretty big subject about a year ago and I strongly suggested that anyone using a generator have a Carbon Monoxide detector in the cabin. It's critical!

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post #27 of 45 Old 06-24-2008
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I checked into it and after pricing all the components need to mount a window unit into the settee and run a forced air vent system though ducts to the settee and back out would be about $350 extra plus the A/C from home depot. thats with out taking apart the A/C and making it drain into the bilge.

A buddy of mine had a simliar setup on his boat and I will say after you've done the main work it makes it real easy to fix and maintain. For less then it would cost to get a repair man out when your A/C goes on the frits you go to wally world and buy another A/C. Heck for $100 you can get a digital one that can be programed to come on for a few hours a day and keep your boat a lot less humid.

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post #28 of 45 Old 06-24-2008
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Ok, who is going to post the plans on how to do this?????

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post #29 of 45 Old 06-24-2008
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Columbus did not have AC. The Spanish Galleons did not have AC. Back when Camaraderie was sailing his viking ships across to the new world, he did not have AC.

But if you are going to be in a marina south of the Mason-Dixon line in summer, you are one tough dude(ette) if you do not havre AC. This is especially true when it rains b/c you have to shut down the boat and it will peel the skin off your body lake a sauna. When anchored, it is not quite as bad... except when it rains.

Don't forget, you need a generator too if you are away from the dock.

My opinions, from someone who has lived aboard in FL and Texas... etc.

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post #30 of 45 Old 06-24-2008
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Please note that CD doesn't mention the fact that he has AC.
Quote:
Originally Posted by Cruisingdad View Post
Columbus did not have AC. The Spanish Galleons did not have AC. Back when Camaraderie was sailing his viking ships across to the new world, he did not have AC.

But if you are going to be in a marina south of the Mason-Dixon line in summer, you are one tough dude(ette) if you do not havre AC. This is especially true when it rains b/c you have to shut down the boat and it will peel the skin off your body lake a sauna. When anchored, it is not quite as bad... except when it rains.

Don't forget, you need a generator too if you are away from the dock.

My opinions, from someone who has lived aboard in FL and Texas... etc.

Sailingdog

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