Reply
 
Thread Tools Search this Thread Display Modes
 
Old 09-09-2016, 03:19 PM   #1
Member
 
Kip Anderson's Avatar
 
City: Ohio
Country: Us
Vessel Name: Summer School
Vessel Model: Marine Trader 34 double cabin
Join Date: Mar 2015
Posts: 12
Air conditioning for 1991 Marine Trader 34 DC

Looking for advice for installation location and ideal size for air conditioning on a 1991 Marine trader 34 double cabin. One or two units? Boat is in the great lakes and is mainly on lake erie. Heat is nice but not used often. Manufacturer suggestions? I installed a mermaid system on a 38 ft morgan sailboat about 10 years ago and was very happy. Do they still build to the same quality today?
__________________
Advertisement

Kip Anderson is offline   Reply With Quote
Old 09-09-2016, 04:02 PM   #2
Senior Member
 
City: Chicago
Country: United States
Vessel Name: Sea Jay
Vessel Model: Non Trawler ;-) Ask me if it matters LOL
Join Date: Jun 2016
Posts: 278
Kip were you once a yacht broker in Florida?
__________________

Gmarr is online now   Reply With Quote
Old 09-09-2016, 05:14 PM   #3
Guru
 
djmarchand's Avatar
 
City: Litchfield, Ct/Punta Gorda, Fl
Country: USA
Join Date: Aug 2012
Posts: 3,428
A single 16,000 btu unit ducted appropriately should work fine in the Great Lakes.


Webasto is available on line (Defender) and is quite a bit cheaper than the main supplier- Dometic's Cruisaire or Marineaire. Mermaid is probably available on Amazon at about the same price. Both are good.


David
djmarchand is offline   Reply With Quote
Old 09-09-2016, 09:06 PM   #4
Member
 
Kip Anderson's Avatar
 
City: Ohio
Country: Us
Vessel Name: Summer School
Vessel Model: Marine Trader 34 double cabin
Join Date: Mar 2015
Posts: 12
Never a broker. Always been a teacher in Ohio
Kip Anderson is offline   Reply With Quote
Old 09-09-2016, 10:13 PM   #5
Guru
 
Comodave's Avatar
 
City: Au Gres, MI
Country: US
Vessel Name: Never Say Never
Vessel Model: President 41 DC
Join Date: Jul 2015
Posts: 1,925
I have had several Mermaids. Had good experiences with both. Good support when I needed it.
Comodave is online now   Reply With Quote
Old 09-10-2016, 06:41 AM   #6
Guru
 
Donna's Avatar
 
City: Palm Coast
Country: United States
Vessel Name: Southerly
Vessel Model: 1986 Marine Trader 36' Sundeck
Join Date: Aug 2016
Posts: 914
I am new to the "big" boat arena. I have 2 on my 36ft. Marine Trader. One is a cruiseaire and the other a marineaire. Both are original to the vessel. I like the cruiseaire better. 16,000 btu each.

It is nice to have the option of only running the aft cabin if I want.
Donna is offline   Reply With Quote
Old 09-14-2016, 08:43 AM   #7
Senior Member
 
bilge53's Avatar
 
City: Oriental, NC
Country: USA
Vessel Name: M/V Major Award
Vessel Model: Senator 35 w/single Lehman
Join Date: Oct 2007
Posts: 420
We have a Webasto 16K (replaced a Cruisair 2015) in our Senator 35. It has done a pretty decent job in our ENC climate. We have a Cruisair 6K forward that does not work which I will be replacing with another Webasto. Our previous boat had a Mermaid; it also performed well. Make sure your ducting is well thought out.
bilge53 is offline   Reply With Quote
Old 09-14-2016, 09:24 AM   #8
Guru
 
Capt.Bill11's Avatar
 
City: Sarasota/Ft. Lauderdale
Country: USA
Join Date: Apr 2014
Posts: 5,439
If you were down south I'd say 3 units.

But up north and if you're not planning on having people using the fwd sleeping cabin often you could use just 2 units.

Ocean Breeze
Capt.Bill11 is offline   Reply With Quote
Old 09-19-2016, 09:13 PM   #9
Member
 
Kip Anderson's Avatar
 
City: Ohio
Country: Us
Vessel Name: Summer School
Vessel Model: Marine Trader 34 double cabin
Join Date: Mar 2015
Posts: 12
Thanks for the input. I think we'll see what the boat show prices are this winter and buy the most I can afford. Probably going mermaid or ocean breeze.
Kip Anderson is offline   Reply With Quote
Old 10-07-2016, 05:01 PM   #10
Veteran Member
 
Vahevala's Avatar
 
City: Youngstown NY
Country: USA
Vessel Name: Vahevala
Vessel Model: 37' 1987 Newburyport
Join Date: Aug 2012
Posts: 61
Just installed a Webasto FCF 16000 btu on our 37' trawler. Vented one so it goes to the master stateroom, the other to the saloon. Works great, a/c and heat. Not too concerned about forward cabin. I can't imagine needing 2 for a 34 ft. trawler. Bought ours from a dealer in Ontario, great price and exchange rate is in our favor. Installed under the settee.
Vahevala is offline   Reply With Quote
Old 10-24-2016, 09:44 AM   #11
Senior Member
 
Greatlaker221's Avatar
 
City: Kenosha, WI
Country: USA
Vessel Name: Tortuga
Vessel Model: Hershine 37
Join Date: Apr 2014
Posts: 135
I just installed two 12K Webasto units under the satee in the salon on a 36 tri cabin. I needed 24 K and I find two medium units quieter than a 16 and small unit up front. I have one vent up front, two in the salon and one in the stern cabin. I use the y to balance the system as needed. Tinted windows and blackout shades. Works great in lake Mi.
__________________
Hershine 37 refit blog:

http://savingtortuga.blogspot.com/
Greatlaker221 is offline   Reply With Quote
Old 10-24-2016, 11:40 AM   #12
Guru
 
alormaria's Avatar
 
City: Trenton
Country: USA
Join Date: Apr 2012
Posts: 990
I don't have A/C on my boat but I've looked into it. My boat is a 34' Marine Trader.

Most suggestions I got were a 5K unit for the forward cabin and a 16K unit for the saloon and master. Unless you are freezing meat, that seems a bit excessive for a boat in the mid-Atlantic region.

My gut feeling was for a 12K in the main cabin with good ducting to the fore and aft cabins. Still haven't done it though so this is just theory.
__________________
Al Johnson
34' Marine Trader
"Angelina"
alormaria is offline   Reply With Quote
Old 10-24-2016, 11:57 AM   #13
Guru
 
Capt.Bill11's Avatar
 
City: Sarasota/Ft. Lauderdale
Country: USA
Join Date: Apr 2014
Posts: 5,439
Quote:
Originally Posted by alormaria View Post
I don't have A/C on my boat but I've looked into it. My boat is a 34' Marine Trader.

Most suggestions I got were a 5K unit for the forward cabin and a 16K unit for the saloon and master. Unless you are freezing meat, that seems a bit excessive for a boat in the mid-Atlantic region.

My gut feeling was for a 12K in the main cabin with good ducting to the fore and aft cabins. Still haven't done it though so this is just theory.

Up north or in the PNW that might work. But in the south you really need the correct amount of BTUs per room to cool a boat properly.

Also the problem with one unit cooling more than one cabin is in one cabin or the other you are not going to have thermostatic control over the room temperature.
Capt.Bill11 is offline   Reply With Quote
Old 10-24-2016, 12:57 PM   #14
Senior Member
 
Greatlaker221's Avatar
 
City: Kenosha, WI
Country: USA
Vessel Name: Tortuga
Vessel Model: Hershine 37
Join Date: Apr 2014
Posts: 135
Quote:
Originally Posted by Capt.Bill11 View Post
Up north or in the PNW that might work. But in the south you really need the correct amount of BTUs per room to cool a boat properly.



Also the problem with one unit cooling more than one cabin is in one cabin or the other you are not going to have thermostatic control over the room temperature.


True but you can balance the air flow with the flow adjuster in the y junction and with the vents. For me it works great and is quiet.
__________________
Hershine 37 refit blog:

http://savingtortuga.blogspot.com/
Greatlaker221 is offline   Reply With Quote
Old 10-24-2016, 12:58 PM   #15
Senior Member
 
Greatlaker221's Avatar
 
City: Kenosha, WI
Country: USA
Vessel Name: Tortuga
Vessel Model: Hershine 37
Join Date: Apr 2014
Posts: 135
Up north or in the PNW that might work. But in the south you really need the correct amount of BTUs per room to cool a boat properly.



Also the problem with one unit cooling more than one cabin is in one cabin or the other you are not going to have thermostatic control over the room temperature.



True but you can balance the air flow with the flow adjuster in the y junction and with the vents. For me it works great and is quiet.
__________________
Hershine 37 refit blog:

http://savingtortuga.blogspot.com/
Greatlaker221 is offline   Reply With Quote
Old 10-24-2016, 05:38 PM   #16
Guru
 
sbu22's Avatar
 
City: New Orleans
Country: US
Vessel Name: Panache
Vessel Model: Viking 43 Double Cabin '76
Join Date: Mar 2011
Posts: 837
I don't have a good feel for the capacity appropriate to Great Lakes conditions.

I've used Mermaid on a couple of boats and can't say enough good things about them - including service (long) after the sale.

Many TFrs (from a thread a while back) swear by Ocean Breeze.
sbu22 is offline   Reply With Quote
Old 10-24-2016, 06:52 PM   #17
Guru
 
psneeld's Avatar
 
City: Avalon, NJ
Country: USA
Vessel Name: Freedom
Vessel Model: Albin 40
Join Date: Oct 2011
Posts: 17,163
Sizing AC units is a big decision.


Whether in Florida or NJ, if it is 90 degrees outside and well up near or past 75 percent humidity and the emgine just got shut off....even 16K for a main salon full of windows isn't necessarily enough.'


Yes, by the time the engine cools and the sun gets lower....you can chill meat.....but in the meantime....do you want an AC that can do the job?...or have one working overtime just to keep up with being comfy?


Most people do not realize the home sized air conditioner for a nominal bedroom cant be compared to a marine equivalent. Lots of reasons such as air transfer, insulation, windows per cubic foot, etc...etc....
psneeld is offline   Reply With Quote
Old 03-18-2018, 10:36 PM   #18
Senior Member
 
City: Lutz
Country: USA
Join Date: Jan 2016
Posts: 236
......and seawater temp!
geoleo is offline   Reply With Quote
Old 05-30-2018, 09:41 PM   #19
Senior Member
 
City: Lutz
Country: USA
Join Date: Jan 2016
Posts: 236
I completed the installation of a Webasto 16k unit recently and it works fine. It went in under the port salon settee. Used a Y duct 5X4X4 with the 4inch ducts going fore and aft. The aft feeds both the salon and aft cabin thru the aft cabin closet with a with a fixed insulated shaft from atop the closet to the the underside of the shelf in the salon where a 30degree supply diffuser feeds the salon. The fixed exposed shaft has a 4"dia supply diffuser for the aft cabin. The other 4" duct runs thru the engine room below the electrical cabinet thru the front hanging locker and up to a 4" supply diffuser for the front cabin. All supply diffusers have dampers that can be shut to divert more supply to other areas. The 4x6 insulated fixed supply shaft is faced with 5/16 teak faced plywood and has 1/2 divinycell rigid insulation inside. Total cost was $1750 plus labor.
geoleo is offline   Reply With Quote
Old 05-30-2018, 09:55 PM   #20
Guru
 
alormaria's Avatar
 
City: Trenton
Country: USA
Join Date: Apr 2012
Posts: 990
I'm going to jump in the pool with you. I am planning on installing the a/c unit in the saloon settee but the first one up by the refrigerator box. The duct would run under the port deck back to the aft cabin, up to the counter over the fridge and forward to the forward cabin. I had centered on 16K myself after trying a home unit.
__________________

__________________
Al Johnson
34' Marine Trader
"Angelina"
alormaria is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off





All times are GMT -5. The time now is 11:17 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2006 - 2012