Midea - DUO 12,000 BTU Portable Air Conditioner (MAP14AS1TWT-C)
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Reddit Reviews:
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Based on 1 year's data from Jan 28, 2026 How it works
Liked most:
96
29
"The cats are finally not terrified of it ... I can set it to quiet mode where it is barely audible ... Even quiet mode picks everything up just fine."
"Noise on the 3i is next to zero."
"another plus for Alen is that they are insanely quiet. I have a 45i and 75i and they are excellent."
103
15
"I have a 1400 square foot house that has, in the past, had three portable single hose units trying to cool it down unsuccessfully. I bought a dual hose Midea unit used and have since bought two more. Now the house is cool"
"Hol dir die Midea Portasplit. Die hat eine Kühlleitung die in der Praxis das 4-Fache ist."
"seit einem Jahr beschert uns das Ding einen super Schlaf auch im Hochsommer"
31
5
"I have a 1400 square foot house that has, in the past, had three portable single hose units trying to cool it down unsuccessfully. I bought a dual hose Midea unit used and have since bought two more. Now the house is cool"
"The important thing is, whatever brand you choose, it needs to be dual hose. The single hose models we've tried in the past caused so much negative pressure in the house that the humidity went sky high, along with the electric bill, and they didn't cool very well. ... Dual hose with an inverter compressor is the best you can do for performance and efficiency, short of getting an inverter window unit."
"Get a 2 hose portable or a Midea with it's 2 in 1 hose system. ... 1 hose models are sold in America 'because installing 2 hoses is too hard for that market to figure out'. They are the single dumbest invention in the history of inventions, blowing out the very air you are trying to cool."
6
3
"I haven't had to drain it since I got it; apparently it uses some kind of evaporation technology or yada yada."
"the Midea has a drain pump to pump the condensate out which is especially important in the heating mode, specially if it is going to go into a defrost."
"I have a hose and bucket and it’s been completely dry. Running almost every night for past 2-3months"
10
1
"The inverter part is key. It saves so much power. ... Now the house is cool and it actually uses less power"
"They use a variable speed DC inverter-compressor which only runs as fast as it needs to, also quieter than most."
"Buy an inverter model, and just spend the money on the Midea."
Disliked most:
8
10
"Does anyone know if it's typical for the Midea 12,000 BTU DUO Portable Air Conditioner to make this high pitched noise? ... The high pitched sound mine makes completely overshadows the fan sound on low setting and is still audible when the fan is on high even ~20' away and 2 days later. ... You don't hear the high pitched, almost cicada like sound? It's the most audible toward the beginning of the video. ... If the noise wasn't so high pitched I might have been able to deal with it."
"when the inverter kicks on it really is quite the kick. ... It's also a bit bassy while it's spooling up. ... If you are a light sleeper it will wake you up."
"I have this unit and I came across this thread researching the same noise. ... It’s incredibly annoying and I am considering returning it to Costco but fear getting a replacement unit will have the same issue."
4
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"Even the Midea dual hose units have this issue, just to a lesser degree. They are NOT sealed all that well and have gaps everywhere. ... There is definitely still some negative pressure, even with the Midea dual hose units. A slightly cracked open door will swing inwards by itself when the AC is turned on. ... I have a Midea unit and I know exactly what you're talking about. There is a small gap from the bottom chamber to the top chamber, and due to the pressure difference, the airflow reverses in that region. I opened up the unit and sealed it with foam to remove this problem. ... These things are not sealed very well and have gaps everywhere. There's also gaps on the bottom of the unit and around the drain hoses. ... The evaporator is also not completely separated from the condenser on the inside, so even if you seal all the exterior leaks, there is still some inefficiency."
"fait rentrer de la poussière et odeur l’air rentre de partout"
"Because, if you use this and you're exhausting air.... It is basically sucking air out of the van, creating negative pressure. So the van needs air, so the negative pressure pulls air from around the window or wherever air can enter. So warm humid outside air will be pulled in."
5
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"Nach zwei Jahren sind die Schläuche für das Kondenswasser einfach zerbröselt. ... Nun läuft überall Wasser aus."
"one fills up with condensation and has to be drained every 15 minutes. ... I ended up having to jury rig a constant drain hose to it and it works fine but I’ve never had to do that with a portable before."
"Unfortunately did not install mine until after the Amazon return window ended and I had collapsed the box. I had emails with them back and forth about the smell, assuming that it was covered under the warranty. They were not very helpful. In fact they were very dismissive and told me to get someone to clean it (almost as expensive as the air conditioner) or clean it myself (which I believe would void the warranty) so I used the wick trick to drain water from the a/c and purchased an extended warranty. ... I don't understand why they would have created an AC that didn't drain. ... My brother has two of them, one of which is full of mold"
0
4
"If you have a small room you aren't going to want 12k anyway. It's not going to remove the humidity effectively... the room will feel cool but clammy and uncomfortable."
"one fills up with condensation and has to be drained every 15 minutes. ... I ended up having to jury rig a constant drain hose to it and it works fine but I’ve never had to do that with a portable before."
"Had a second Midea like the one you linked last summer and the Dry function didn't work."
0
3
"I returned it because the hose is just so big and very awkward to get into a window."
"The only thing I will warn you about: the hose set up is problematic. ... Twisting the unit side to side more than a little bit is impossible."
"These things are so hard to install!!"
FoodzyDudezy007 1.0Id give this a day or two of running see if it goes away.
iamsk3tchi3 1.0just got the Midea duo from Sam's about a week ago. running it in a 1940s house with no AC. it's a tad slow in actually cooling the space but it does eventually. You'll definitely feel it if you're in front of the vent.
Molanghrian 1.0I have this model, got it last year. Only really needed it for the summer months (June-early Sept) so haven't really been using it yet, but I just plugged it back in and started it to listen. I noticed that it *did* make a very slight high-pitched sound at start-up, but very quickly drowned out by the normal sound of it. I can just barely hear it too still, but I have to literally stick my head right next to the back of the unit to hear it. Doesn't seem nowhere near as pronounced as this video. I'd honestly return/exchange it for another unit if it doesn't seem to go away after like a day.
one80oneday 1.0I ordered a refurb from Walmart a few weeks ago for $225 and it arrived like new https://www.walmart.com/ip/15245460485?sid=02142f3b-d972-4bae-af57-8db35407caeb&conditionGroupCode=2
Perrywinkle208 1.0Thanks for your response. The high pitched sound mine makes completely overshadows the fan sound on low setting and is still audible when the fan is on high even ~20' away and 2 days later. This does make it seem like my unit is defective compared to yours.
Popular_Forever5691 1.0I have this unit and I came across this thread researching the same noise. It’s incredibly annoying and I am considering returning it to Costco but fear getting a replacement unit will have the same issue.
Reasonable_Cake288 1.0I have this exact same ac and I love it. I’m on summer two now with it. Mine doesn’t make that noise. You should return it. Dunno what the point of your post is. Just return it lol. The beauty of Costco.
Specific_Ad_1045 1.0https://www.walmart.com/ip/15245460485?conditionGroupCode=2&sid=765ced72-28fa-4f2a-b2ab-8045931cac53 Walmart has reconditioned Midea portable AC for 249. It has an inverter and dual hose system. 90 day return policy. This thing is heavy, on wheels. Mine arrived looking brand new. If you don’t like it you have 90 days to return it, I assume you have a Walmart close to you.
I bought one of these in April, arrived looking brand new including white tape tabs that hold things in place. It included tons of install accessories for various window types. Inverter allows the AC’s compressor to run at lower power when available. And I like the app, being able to status and control the unit from anywhere. I paid $222 + tax
ToolsAndJoules 1.0I really like my Midea MAP14AHS1TWT. Quiet, solid app control, plenty of power, easy single duct install, came with parts to use on horizontal or vertical windows. Only issue is the water drainage is hard to figure out, but I only run into that in heat mode. This portable unit is not subject to the u-shape AC recall. Also had a good experience with Whynter ARC-14S and their customer service helping me to repair non-warranty damage to the AC, but it's a more basic design, louder, no connectivity, two ducts so I eventually upgraded to the Midea.
RiverHorses4eva 0.7Hi there! I have a lightly used, two-year-old Midea 12k BTU-dual hose AC unit that I’m looking to sell. Works great, we just recently moved and don’t need it anymore. Feel free to message me if you’re interested! I can send you the listing.
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