






❄️ Stay cool, save space, and control your comfort like a pro!
The Keystone KSTAT10-2C is a robust 10,000 BTU through-the-wall air conditioner designed for small to medium rooms up to 450 sq.ft. It features 3 cooling modes, 3 fan speeds, a programmable timer, and a smart remote that senses your location for precise temperature control. With a built-in dehumidifier removing 2.3 pints of moisture per hour and energy-saving modes, it balances powerful cooling with cost efficiency. Its space-saving design preserves your window view and floor area, requiring a 230V outlet for operation. Backed by a 1-year warranty plus 4 years on the sealed system, it’s a reliable, modern solution for professional millennials seeking smart, stylish home climate control.









| ASIN | B01CDFEV1S |
| Additional Features | Dehumidifier, Filter Light Reminder, Remote Controlled |
| Air Conditioner Application | Residential Indoor |
| Air Flow Efficiency | 275 Cubic Feet Per Minute Per Watt |
| Best Sellers Rank | #197,535 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #4 in Through-the-Wall Air Conditioners |
| Brand | Keystone |
| Brand Name | Keystone |
| Capacity | 2.3 Pints |
| Color | White |
| Compressor Type | rotary_scroll |
| Control Method | Remote |
| Controller Type | Button Control, Remote Control |
| Cooling Power | 10000 British Thermal Units |
| Core Material | Aluminium Alloy |
| Customer Reviews | 4.0 out of 5 stars 1,338 Reviews |
| Efficiency | moderate |
| Energy Star | No |
| Filter Type | Washable |
| Form Factor | Stand Alone |
| Global Trade Identification Number | 00013964864540 |
| Installation Type | Packaged |
| Inverter Type | No Inverter |
| Is Outdoor Unit Required | No |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 20.3"D x 24.2"W x 14.5"H |
| Item Weight | 69.3 Pounds |
| Manufacturer | Keystone |
| Model Name | Keystone 10,000 BTU 230V Wall Mounted Air Conditioner & Dehumidifier |
| Model Number | KSTAT10-2C |
| Noise | 54.1 Decibels |
| Number Of Circuits | 1 |
| Number of Power Levels | 3 |
| Power Source | Corded Electric |
| Product Dimensions | 20.3"D x 24.2"W x 14.5"H |
| Refrigerant | R-32 |
| Seasonal Energy Efficiency Ratio (SEER) | 10.6 |
| Series Number | 2 |
| Special Feature | Dehumidifier, Filter Light Reminder, Remote Controlled |
| Start Year | 2016 |
| Start year | 2016 |
| UPC | 013964864540 |
| Voltage | 230 Volts |
| Warranty Type | 1 year parts and labor, plus additional 4 years for sealed system |
| Wattage | 943 watts |
| Window Opening Minimum Height | 26 Inches |
| Window Opening Minimum Width | 24.2 Inches |
R**N
Heat and cool 😎 amazing
Perfect for my garage and shed . I bought 2 of these, one last winter for a shed build. It worked so good. I got a second in spring for my garage. Heat is electric resistance at 3450 watts. 220 volt. And ac In this unit 14k btus. Both run perfect. Low noise on low fan. Operation in heat mode fan stops when heat stops. Operation in ac mode fan stops when ac stops with option to keep fan on as well after ac stops. Wish fan would keep going after heat stops though to reduce cooler spots on floor. But hey. Overall its a 5 star product.
K**1
All Around-Fantastic Unit
Purchased the 12k BTU 230v 6-15 plug unit almost 1month ago (May 30, 2020). It arrived in about one week. Delivered via UPS, although they left it downstairs in foyer of my condo building, i’m only 2 sets of steps up. W/ my neighbors assistance, the 2 of us had no problems. It was packed brilliantly, w/ 4 white plastic strap thingies wrapped around entire package, tightly, strong enough to use as handles, taking my time, slid it right up the stairs. (I’m giving this info, to let ppl know of the delivery exp) sure beats me having to have gone to any store, & the (hassle of both Covid-19, & sales ppl). I already had a sleeve, this fits perfectly,w/ a tad bit of space to spare, & i used some foam supplied in generous amount btw., to fill in the space. The snap-together 4 piece frame finished off the look. Also came w/ a rear guard, which i took off the old rusty junky one, from about 25+ years & it easily screws in w/ 2-4 screws. The packing & everything was in mint condition. (i’ve tons of diff sized pieces of soft and hard foam pieces left over) i just put them away for rainy day purposes/uses. Now..as far as the operation: It works brilliantly. Cools very nicely. Easy to use. Plenty of features. Remote is great! This unit has a timer function, sleep function, & the ‘follow me’ feature on the remote is a nice touch, when u press it, it’ll display the temp on the remote(in cool mode only) of the location of the remote/which obviously is mostly always in the same room! The remote has a nice orange backlit led display. Energy Save function works great! The overall sound is not too bad, more/less like most large in wall sleeve units. I’m not exactly a ‘decible numbers expert’ but, I’m not bothered by a/c noise. So....Compared to my utter NIGHTMARE experience from 2016-2019 w/ THREE diff Frigidaires in a row!! I am SERIOUS. 1 after the other, starting w. the first replacement in 2016 of the original a/c that was in my condo when i moved in 15 years ago. Within just over a year give or take, they-each one, would slowly start malfunctioning, & totally take a nose dive. And even springing for the extra warranty, that too was a COMPLETE NIGHTMARE. I was not about to buy a 4th one from my local Mom/Pop appliance place, who never had a straight answer, nor offered real assistance, just took my $$$, and they only sold that one lone brand-Frigidaire.. LESSON LEARNED the hard way!! The Keystone brand off the bat works like a dream, not just in contrast to my bad experience w/ Frigid., but i really love this a/c & it’s many great features and functions. I posted about 6 pics, including the front/back of the 6-15 plug, hope that helps. For me the price was right also- for a 12,000 btu, @$595-delivered to my door. As opposed to upwards of $700-$800 or more for 12K btu & larger ones, in stores. Best of luck & stay cool, healthy & safe! Chris-NY
D**G
Didn’t cool from Day 1. We’re returning it on Day 2.
ZERO ability to cool, and that’s for a brand new unit right out of the box. After a pretty easy installation for this through-the-wall unit, it turned on, remote and fan worked fine. But cool air never came out, even after several hours. The reassuring, low bass sound of a working compressor that normally precedes a refreshing blast of cold air was ne’er to be heard! To address this, we turned to the troubleshooting tips in the Keystone users manual (only two pages out of thirty). Sure enough, a listed problem was open “air unit does not feel cold enough.” However, none of the listed correction methods helped: (1) the temperature sensor behind the air filter element could have been touching the cold coil; but we checked, and it wasn’t; (2) setting unit to a lower temperature was also recommended; but when we set it to the minimum of 62° F the room temperature of 80°+ did not fall a single degree over several hours; and, (3) the compressor could have stopped while changing modes and we were asked to wait three minutes after setting to the COOL mode; but we let it run for hours after shifting to cool, yet no cooling ever arrived. Spending an weekend with three overnight guests was uncomfortable as you might imagine. Let’s just say we’re not the happiest of buyers right now. Upon calling Amazon, we learned that for our particular situation, replacement was not possible, but refund was. Consequently, we’ve removed this defective Keystone unit from its sleeve, box it, and are now awaiting UPS arrival to rid of its being! Thankfully, there will not be a delivery charge for the return. That’s quite good because the unit weighs about 80 pounds. Dropping it off at a UPS store would have been pretty difficult. We are replacing it with 14,000 BTU Frigidaire through-the-wall unit which actually cost less and weighs only 50 pounds, making installation even easier. (The previous Frigidaire, which we tried to replace with the Keystone had stopped working nine years after its manufacture in 2015.) This experience made us realize that maybe nine years is a pretty good life for ACs, which seem to have more variability than one might expect. Will be happy to get another nine years out of the new Frigidaire we are ordering. Wish us luck!
A**A
Cools my small space so well! Fan rattles
This Air Conditioner unit arrived in good condition unlike other reviews I have seen who stated theirs came cracked. Mine was fine and packaged well. It also came with an entire installation kit. I live in a very small apartment at this time, a living area connected to a kitchen, one bedroom and bath. This unit cools the whole living room/kitchen area very very well. It is really cold. Sometimes I must turn it off because Of my small space I sit near the AC and it feels almost too cold but that’s amazing! One problem I did find with this AC is that there is something within the system I believe it to be the internal fan, that rattles at times. It’s not horrifically loud but at nighttime when trying to sleep, someone sensitive to sounds would be annoyed by it. I am not annoyed by it. But the person I live with with is. I shook the unit a bit it stops. But begins later again. I think the fan might be slightly loose or a bit off It works well but there is that sound. And this unit doesn’t open from the front like some So it’s not like I can reach into the fan area and adjust it or oil it. The front panel where the vent is is supposed to come off for cleaning, but I haven’t figured out how to remove it yet. If I do I could reach the fan through that opening and fix this issue. Other than this rattle sound off and on, I am glad I got this AC. My purchase was made in the middle of the Covid 19 pandemic and people were forced to stay home for weeks in the middle of one of the hottest summers we have ever had here. It has saved me. I have severe lung issues and having no AC can prove dangerous some days. It’s been a difficult year. We had riots in my city also. My AC broke during those riots when people were afraid to go outside and all businesses closed at once out of fear. I was home suffering until I bought this. I am glad I did.
C**E
This is my 2nd purchased & Love This AC!!!
This is the perfect AC for me! It's also the 2nd Keystone I've bought, and will most likely buy a third when the time comes. The first one bought in 2017 still worked perfectly but had ongoing black mold issues due to level and not slopped down in-wall case (improper drainage). Because I have a slum lord that refuses to fix their part, the box. Fixed my personal problem with this new one by simply drilling one huge hole under the AC itself, under the drainage outlet, so it doesnt hold water at all. It Voids any Warranty and possibly some longevity of the AC, but ensures I will Not have any black mold issues. Love this AC and Keystone!!! Keeps my small apartment (850 square feet) very cool during the summer with extra fans circulating. No higher than 74 even when it reaches 100 degrees. However, I do also face the south sun and curtains stay closed all sunny days.
C**Y
Great Unit
This unit heats and cools very well. We are very pleased with it. It is a little loud, but definitely tolerable. I really like the auto feature that allows to maintain the temperature.
A**S
Surprize! It Works Great
Purchased for my son who lives in LA. He keot telling me the one he had didn't cool the room very well. The new one had to mradure a certain size to fit where the old one was. Wanted to get him a higher BYU one, but the one that would fit was the same BTU's he had. It arrived, he got ot into place, turned it on. It took a couole of hours to kick in. He called me later and said they had to turn thr cooling temperature up a bit, it was too cold. They love it.
T**N
Good vendor
First one was not delivered due to damage during shipping. Vendor immediately shipped out a replacement which arrived early and worked perfectly.
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