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forum threadneomatrixviper posted May 10, 2026 11:36 PM
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forum threadneomatrixviper posted May 10, 2026 11:36 PM

Midea 12,000 BTU DUO Smart Inverter Portable Air Conditioner $409.99 free shipping Costco.com

$410

Costco Wholesale
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https://www.costco.com/p/-/midea-...?langId=-1

$110 OFF
$110 manufacturer's savings is valid 5/8/26 through 6/7/26. While supplies last.
Limit 5 per member.

For Spaces Up To 550 Sq Ft
Energy Star Certified
Inverter Technology Delivers up to 40% Energy Savings Compared to US Federal Standard
Matter Certified Unit with App & Voice Control: Control From Anywhere with the Smart Home App
MShield Air Ionizer Technology: Reduces Odors, Smoke, and Gases in the Air
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https://www.costco.com/p/-/midea-...?langId=-1

$110 OFF
$110 manufacturer's savings is valid 5/8/26 through 6/7/26. While supplies last.
Limit 5 per member.

For Spaces Up To 550 Sq Ft
Energy Star Certified
Inverter Technology Delivers up to 40% Energy Savings Compared to US Federal Standard
Matter Certified Unit with App & Voice Control: Control From Anywhere with the Smart Home App
MShield Air Ionizer Technology: Reduces Odors, Smoke, and Gases in the Air

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May 10, 2026 11:49 PM
352 Posts
Joined May 2012
calibanPKMay 10, 2026 11:49 PM
352 Posts
Got this for $222 a month ago refurbished at Walmart, tried it out it seemed to work fine, hasn't been hot yet consistently so haven't used it much but so far so good.

I have a 90 day warranty so I plan on beating it to hell soon.

Currently $250 Walmart refurbished.
1
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May 11, 2026 03:05 AM
232 Posts
Joined Oct 2021
LivelyWallaby1957
Pro
May 11, 2026 03:05 AM
232 Posts
I have been using the refurbished one from walmart. All that mine had was a dent in the box, everything else is new. Been running it over two summers in Texas and it cools a decent 25 x 25 foot room. The app works with midea and all the other clones of the same model size and power. Uses about 700 watts for the first while with the compressor going hard (maxes out about 1350w for a while then the inverter slows it down and then uses the fan alone once at temp which is like 30 to 50 watts. You can run it in the summer for about 8 - 9 hours straight from an ecoflow pro 7kw, even longer if you have the ecoflow hooked up to solar during daylight hours.
2
May 11, 2026 03:29 AM
192 Posts
Joined Feb 2022
JollyLake715May 11, 2026 03:29 AM
192 Posts
I saw this end of season clearance at Costco for $250 last year. This machine is very efficient: low is 230-250 watts. Medium is enough to cool down a 200 sq ft non insulated room with single pane windows. Most of the time it's running on low.
Last edited by JollyLake715 May 10, 2026 at 08:32 PM.
1
May 11, 2026 01:35 PM
117 Posts
Joined Dec 2016
strayaliveMay 11, 2026 01:35 PM
117 Posts
It cools really nicely but these like to die if you use them heavily... I bought one in 2024 that died in August 2025 due to what seemed to be a coolant leak, lots of people in the reviews seemingly had similar situations. Midea support just told me to return it. Still debating if I should just learn to make a habit of buying and returning every year.
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May 12, 2026 07:14 PM
24,668 Posts
Joined May 2009
ImmortalsolitudeMay 12, 2026 07:14 PM
Pro
Expert
This user is an Expert in Health & Beauty
24,668 Posts
Midea 12,000 BTU DUO Smart Inverter Portable Air Conditioner at Costco for $409.99.
  • For Spaces Up To 550 Sq Ft
  • Energy Star Certified
  • Inverter Technology Delivers up to 40% Energy Savings Compared to US Federal Standard
  • Matter Certified Unit with App & Voice Control: Control From Anywhere with the Smart Home App
  • MShield Air Ionizer Technology: Reduces Odors, Smoke, and Gases in the Air

https://www.costco.com/p/-/midea-...4000237574

May 13, 2026 12:09 PM
57 Posts
Joined Oct 2014
chris.whitefordMay 13, 2026 12:09 PM
57 Posts
Seems like a good price. I want a u-shaped unit. Looks like you can find them refurbished for good prices at Walmart.
May 15, 2026 01:06 AM
3 Posts
Joined Jul 2024
SunnyblveMay 15, 2026 01:06 AM
3 Posts
Has anyone managed to hook up a Midea
Duo 12,000 dual-hose AC to a wall vent in an apartment
I'm trying to figure out if it's realistically possible to hook up a Midea Duo 12,000 BTU dual-hose portable AC to an existing wall vent in an apartment (instead of using the window kit as my window is not sliding window).
The wall vent is a standard circular outlet.
Before I start experimenting with adapters, reducers, or DIY seals, I wanted to check:
• Has anyone actually done this successfully?
• What adapter or setup worked for you?
• Any airflow or back-pressure issues I should watch out for?
• Did it affect cooling performance or noise levels?
Photos, part links, or even "don't do it, here's why" stories would be super helpful. Trying to keep things clean, safe, and landlord-friendly.
Thanks in advance to anyone who's tried this or has ideas.

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May 15, 2026 04:03 AM
38 Posts
Joined Mar 2018
HeinerMMay 15, 2026 04:03 AM
38 Posts

Our community has rated this post as helpful. If you agree, why not thank HeinerM

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