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Oday 39 Air Conditioning

May 1, 2019
15
oday 39 39 Morgana Jacksonville fl
Hi,
I am in the beginning stages of installing an AC unit on my Oday39. I plan on installing it under the seating in the main cabin on the starboard side. I was wanted to check to see if any other Oday39 owners have AC and ask how the ductwork is run throughout your boats.
Thank you
Henry
 
Sep 23, 2009
1,383
O'Day 34-At Last Rock Hall, Md
I do not have A.C. as there is little available space. Two options have been suggested.
Under the v berth by cutting out the fiberglass step or in the port cockpit locker with air intake in the starboard quarter berth and the cool air vent into the galley.
 

Heave2

.
Jul 6, 2019
4
O'day O'day 39 Siren's Call Key Largo
I have a 16,000 btu king unit under the starboard seating. It does alright but i need to rework the ducting. There is enough room.
20190529_171417.jpg
 

Heave2

.
Jul 6, 2019
4
O'day O'day 39 Siren's Call Key Largo
The ducting isn't great, but this is how the former owner did it. It runs to the wet locker and then tees off to a vent in the salon and one in the vberth.
20190529_171635.jpg
20190529_173155.jpg
20190529_173137.jpg
 
May 1, 2019
15
oday 39 39 Morgana Jacksonville fl
I ended up doing mine almost the same way, except I came out of the locker when going out to the main cabin. I went with a 12000btu so I can run it using a Honda 2000. I am very happy with is so far.
 
Last edited:
Jan 2, 2017
559
O'Day 322 Lake Pleasant, AZ
My 16K is in the port cockpit locker, allowing for vents in the saloon (stairway), head and quarter berth with no ducts showing.
 

Heave2

.
Jul 6, 2019
4
O'day O'day 39 Siren's Call Key Largo
How does the 12k cool? My 16k is an old r22 unit and probably only a 10 seer, so its cooling delta is only maybe 20 degrees. I've been thinking of modernizing.
 
May 1, 2019
15
oday 39 39 Morgana Jacksonville fl
I installed it in October and it was still pretty hot here, and it was worked very well. I thought I might run into issues and maybe have to run ducts to the 2 rear cabins but, from my short experience I have with the unit so far with one big went in the main cabin and a small vent in the v berth. I am very pleased.