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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > Air Conditioning
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Thread: Air Conditioning Reply to Thread
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Topic Review (Newest First)
07-18-2008 11:34 AM
funsailthekeys
I agree with the above

Low air flow and /or high humidity will cause them to ice up. If the unit is set too low so it keeps running without shutting off and the humidity is high it will turn into a brick of ice. I am always reminding my guys to leave the doors closed on the boats while they work. Also the low air flow will allow the cooling coils to run cooler than normal and the condensation will freeze on the surface. The minimum intake should equal the surface area of the condenser, larger intake area is better.
07-18-2008 07:39 AM
sailingdog Ohaavik-

Both of those could cause the problem of the unit icing up. I would recommend you enlarge the air intake and have an A/C tech check the refrigerant level and top it off if necessary.
07-18-2008 02:22 AM
ohaavik I have a Curiseair 5,000BTU in the master cabin and 11,000BTU and have been having trouble with the larger condenser icing over after running overnight. Here in Singapore we're 1.5 degrees north of the equator and AC is a necessity when the monsoon doesn't blow...then it's OK on the water with 12V fans only.

For the icing problem, could it be that the unit is low on freon? The air intake is a bit small...could that be the problem?
07-18-2008 12:15 AM
Twoowls So, it would appear that the Aqua-Therm has no source of replacement parts. That is unfortunate since the unit operates well, it just has a leak that I will attempt to repair. thanks for the help, I know it is an old device.
07-17-2008 02:24 PM
Freesail99 I found online a Coleman SEA-MACH 13,500 btu unit on sale for $899.00

Marine Air Conditioners from Coleman on Sale
07-17-2008 01:53 PM
Cruisingdad
Quote:
Originally Posted by funsailthekeys View Post
The best thing I can think of for a/c is no mosquitoes, deer flies Nat's, noseeum's or anything else that wants to make a meal of you at 2:00 in the morning.
There are mosquitos and no-seeums in Florida?? You sure?? I thought that was a myth! (smile).

- CD
07-17-2008 01:23 PM
teshannon
Quote:
Originally Posted by deryk View Post
Im really torn about this. I Live aboard in central NJ and just moved up from a Watkins 27 to a Morgan 34. On the Watkins I had a 8000 watt a/c unit from home depot for a $150.00 With a Timer!!! (lol) Well trying to decide between a Cruiseair 6700 watt hatch unit and a larger sized true marine a/c unit. I would have to fit a 14x20x14 box in the boat somewhere... preferably on the starboard side because it would be easier to hide the insulated duct and vent it. Thought about a box right before the v birth not sure how close space would be.

I guess I could go with the cruiseair and if its not enough sell it and do the marine a/c unit.
My boat is on the central NJ coast and we have a 16,000 btu Cruiseair system. I wouldn't be without it. Although it's nothing like the Chesapeake it can get a bit hot if the breeze dies. It has the added benefit of keeping out the green monsters and the occasional dock noise.
07-17-2008 01:07 PM
funsailthekeys
best thing

The best thing I can think of for a/c is no mosquitoes, deer flies Nat's, noseeum's or anything else that wants to make a meal of you at 2:00 in the morning.
07-17-2008 12:33 PM
sonofasailorsailing
AC on our boat

In 2006, I purchased a Mermaid 9000BTU unit on Ebay for $300.00. This was a new unit, not used. I was very lucky. I got the installation kit from West Marine for $150.00 (about half price) because they were on close out. I instlled it myself following their excellent instructions (almost "Marine AC for Dummies!) This has been the most productive thing we have done. We live in the Florida panhandle and it get hot here! This has extended our livability an additional five or six months. I now have a 3000 watt gas generator hat I can use at anchor.

We have a 33' Glander Tavana. This boat has absolutely no insulation in her decks, so this unit does alot of running. We are going to put a soaker hose on the deck when in port and run that during the day. It should help. We put throwable cushions on the hatches to insulate them.

A friend of our was so impressed with our unit, he bought a Mermaid 12000BTU unit for his Catalina 310. His boat is better insulated and the unit runs great. He has been sick for quite a while and cannot take the heat. It has extended his boat time to year round. A cople of weeks age, he took his family out (eight i all) and borrowed a Honda 2000 generator. They were quite comfortable and the Honda worked flawlessly.
07-13-2008 07:42 PM
Twoowls Have an original Aqua-therm. Does anyone know where I can get replacement parts? Please don't laugh too hard.
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