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Air Conditioner

mtntop1
Explorer
Explorer
Why do manufacturer's put 13,500 btu air conditioners in small 19ft travel trailers.Isn't this overkill.
17 REPLIES 17

mtntop1
Explorer
Explorer
Did Shadow Cruiser fix the axles problems for 2013.

2edgesword
Explorer
Explorer
Initial cost and power consumption, especially during start up, are probably concerns.

2oldman
Explorer II
Explorer II
Bob Landry wrote:
All of the roof units fit a 14" square opening. The length and size of wiring to it would be the same. That would leave the cost difference attributed to the cost of the units themselves requiring no re-design or construction expense
Then it would seem reasonable for them to put on a smaller unit.
"If I'm wearing long pants, I'm too far north" - 2oldman

Bob_Landry
Explorer
Explorer
2oldman wrote:
Bob Landry wrote:
Not really. The published price for an upgrade to the 15K unit is $146 and that's going to be passed on to the buyer.
The OP is referring to a smaller unit, not a bigger one.

They may be able to use a smaller unit on a smaller trailer, but that would likely require different design/cutting/tooling which adds to cost.


I hardly see how. It's unlikely that a trailer that small would have ducted A/C. All of the roof units fit a 14" square opening. The length and size of wiring to it would be the same. That would leave the cost difference attributed to the cost of the units themselves requiring no re-design or construction expense.

BTW, what is your background in A/C?
2011 Keystone Outback 277RL

waterlady
Explorer
Explorer
I am reviewing the roof top a/c units. I'm leaning towards the Coleman Mach 8 but I hear it is very noisy to the point your neighbors will complain.
Anyone have any input??

2oldman
Explorer II
Explorer II
Bob Landry wrote:
Not really. The published price for an upgrade to the 15K unit is $146 and that's going to be passed on to the buyer.
The OP is referring to a smaller unit, not a bigger one.

They may be able to use a smaller unit on a smaller trailer, but that would likely require different design/cutting/tooling which adds to cost.
"If I'm wearing long pants, I'm too far north" - 2oldman

Bob_Landry
Explorer
Explorer
Possible, but unlikely considering the poor insulation qualities of these trailer. There's no way to compare a trailer to a stick house in spite of the claims of Polar Packages, etc.
2011 Keystone Outback 277RL

CavemanCharlie
Explorer III
Explorer III
Bob Landry wrote:
Bumpyroad wrote:
Big Katuna wrote:
I wonder why they don't put 15K in all of them.


well you don't want it too big as you want it running a lot of the time since you aren't taking out humidity when it isn't running.
bumpy


I've never seen a trailer that was over cooled by a 15K BTU air conditioner. I don't understand why the 13.5K models are used at all.
Theoretically, you can have so much air conditioning that the unit will short cycle and not dehumidify, but I've never seen that happen in a trailer. If you think you have too much AC, spend a couple of weekends on the Texas coast in August.


Ya, but you don't live in MN. Here it is very easy to have a AC that gets the house too cold and yet does not remove enough humidity to make it feel comfortable. My house is like that. It's either too cold or too humid. My poorly designed HEVAC system can never make it feel comfortable in the house. I believe the same problem could be possible in a Travel Trailer

thomasmnile
Explorer
Explorer
Big Katuna wrote:
I wonder why they don't put 15K in all of them.



X2 ON THAT!!!!!!:C:C:C

Bob_Landry
Explorer
Explorer
2oldman wrote:
Cost. It's always about cost. They can buy their a/cs in bulk and save money.


Not really. The published price for an upgrade to the 15K unit is $146 and that's going to be passed on to the buyer.
2011 Keystone Outback 277RL

mtntop1
Explorer
Explorer
I live in Tucson,AZ the noise from a 13,500 BTU in sometimes annoying even on low.I bought a LG 9000btu portable which my Honda EU2000i runs with no problem and it cools the same as a 13,500 except when the trailer has been not used and is hot inside it takes about 30 minutes to cool down.The LG takes about an hour but once it is, it maintains 75 degrees nicely.I think 10,000 btu would be just fine for trailer's up to 22ft.

Bob_Landry
Explorer
Explorer
Bumpyroad wrote:
Big Katuna wrote:
I wonder why they don't put 15K in all of them.


well you don't want it too big as you want it running a lot of the time since you aren't taking out humidity when it isn't running.
bumpy


I've never seen a trailer that was over cooled by a 15K BTU air conditioner. I don't understand why the 13.5K models are used at all.
Theoretically, you can have so much air conditioning that the unit will short cycle and not dehumidify, but I've never seen that happen in a trailer. If you think you have too much AC, spend a couple of weekends on the Texas coast in August.
2011 Keystone Outback 277RL

2oldman
Explorer II
Explorer II
Cost. It's always about cost. They can buy their a/cs in bulk and save money.
"If I'm wearing long pants, I'm too far north" - 2oldman

Bumpyroad
Explorer
Explorer
Big Katuna wrote:
I wonder why they don't put 15K in all of them.


well you don't want it too big as you want it running a lot of the time since you aren't taking out humidity when it isn't running.
bumpy