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Old 04-09-2018, 04:00 PM   #1
Skoolie
 
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Please explain converting a window unit AC to ducted.

I've seen it mentioned a couple of times here. But folks are converting window units to ducted units somehow. What is the process, and concepts behind this? I know Window units are inexpensive comparatively, and I am just trying to figure out how to use them in a skoolie without hanging a big box out of the back window...
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Old 04-09-2018, 04:09 PM   #2
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this should help you
https://www.quora.com/Can-I-modify-a...ir-conditioner

( there are two examples they used on that page. the youtube example happens to be a pot grower, but the video is all about his ac unit)
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Old 04-10-2018, 09:03 AM   #3
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Okay I get the duct over the part inside, heck the inside part can be exposed to the interior 100%. Perhaps I wasn't clear on what I was thinking...

A window unit, mounted in a bus, say enclosed in a vented box. Does the intake and exhaust air have to be vented / exhausted so that they don't mix? How would you go about doing that?

What else are folks doing for AC in their busses that doesn't involve RV rooftop air conditioners? Not trying to avoid them, just not sure they are the right solution.... Especially since you can separate out a room at a time with window units and say just cool the bedroom with a 5K window unit, and use WAY less energy than a 15K rooftop unit would use....
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Old 04-10-2018, 09:20 AM   #4
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there was someone here who basement mounted a couple wimdow AC;s and ducted them.. I dont remember seeing the results.. Mini Splits are fast becoming the popular option esp if you asre planning to go solar or run off of an inverter as there is no surgew current.. plus since they are variable speed, they reduce their energy usage by slowing down (they arent on / off like window units.. and are Much more efficienct)..
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Old 04-10-2018, 12:20 PM   #5
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I don't remember which build threads these were from, but here are some picts I've saved during my research.
Attached Images
File Type: jpg window ac back.jpg (125.3 KB, 120 views)
File Type: jpg rear ac.jpg (21.7 KB, 11 views)
File Type: jpg window ac install1.jpg (208.3 KB, 12 views)
File Type: jpg window ac install2.jpg (214.5 KB, 18 views)
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Old 04-10-2018, 12:34 PM   #6
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Quote:
Originally Posted by oredigger View Post
I don't remember which build threads these were from, but here are some picts I've saved during my research.
The thought process is sort of, how to make the first pair of pics, and the second pair of pics match... I am guessing it will involve a good amount of metal or fiberglass work to get it to work well... But yeah, have the face of the unit face into the bus so controls / airflow is unimpeded, and then have the back of the unit so that it is flush with, or recessed into the body work of the bus, but maintaining proper air circulation to have the unit work well...

I hadn't thought of mini splits, but cost wise, and installation wise, they seem to be a bit easier to deal with than a couple of window units. Yeah initial cost of a window unit is lower, but expensive to install if done right I assume...
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Old 04-10-2018, 12:41 PM   #7
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Quote:
Originally Posted by dbhost View Post
I hadn't thought of mini splits, but cost wise, and installation wise, they seem to be a bit easier to deal with than a couple of window units. Yeah initial cost of a window unit is lower, but expensive to install if done right I assume...
yeah, I have 3 window units sitting around that I'd like to be able to use. Probably just put one in the bedroom. I just haven't seen an easy way to mount it.
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Old 04-10-2018, 01:38 PM   #8
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I basement mounted one a/c in SanFord. The other was a cabinet install. I'll try to remember to share how I did it when I get to a computer.
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Old 04-10-2018, 02:25 PM   #9
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Originally Posted by Toyman01 View Post
I basement mounted one a/c in SanFord. The other was a cabinet install. I'll try to remember to share how I did it when I get to a computer.

SanFord is the one that got me thinking... Look what you started here!
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Old 04-10-2018, 04:01 PM   #10
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Okay correct me if I am wrong here... The vents on the side are the cool air intake, and the vent / coils on the back would be the hot air exhaust correct?

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