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Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White

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3.7 out of 5 Customer Rating
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White is rated 4.8 out of 5 by 1412.
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Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires
Windmill WhisperTech 12,000 BTU 115V Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control - White, , hires

Key Features

  • Cooling BTU: 12000
  • Inverter Technology: Yes
  • Power Requirements: 110 Volt 15 or 20 Amp Circuit (Parallel Plug)
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About this Item

Windmill WhisperTech Smart Energy Star Window Air Conditioner with Inverter, 3 Fan Speeds, Sleep Mode & Remote Control

The Windmill AC with WhisperTech Inverter Technology is an efficient, quiet, eco-friendly and smart window air conditioner built for today's needs. Award winning WhisperTech Inverter Technology saves up to 40% on energy cost, faster cooling, Quiet Operation (9x quieter than traditional units). With curved edges, clean lines, and a low-profile look, Windmill is designed to blend right into your home. Comes with the install kit pre-assembled for a fast and easy setup.

Key Features:

Easy-to-install
the install kit is already pre-assembled and ready-to-go in the box, making setup a breeze

Better sleep
our LED display fades after 60 seconds, eliminating unnecessary blue light in your home

Efficient
air blows up and out into your room at a 45° angle for better cooling

Quiet
the Windmill ac runs smoothly and gently in the background

Product Height
13.3 Inches
Product Depth
22.5 Inches
Product Width
19.3 Inches
Product Weight (lbs.)
65 Lb(s)
Window Opening Max. Width (in.)
37 Inches
Window Opening Max. Height (in.)
14 Inches
Window Opening Min. Height (in.)
14 Inches
Color
White
Series
WhisperTech
Type
Window
Window Type
Double Hung Window
Room Size
Medium
Cooling BTU
12000 BTU
Cooling Speeds
3
Heat/Cool
No
Heating Capacity (BTU)
-
Number of Fan Speeds
3 Fan Speeds
No. of Air Flow Directions
1
CFM
218 CFM
Vent/Air Exchange Exhaust
No
Moisture Removal (Pints/hr)
3.2 Pints/hr
Filter Description
Antimicrobial-protected mesh (washable) and activated carbon (lasts ~3mo).
Standard Mesh Filter
Yes
Charcoal Filter
No
Washable Filter
Yes
Inverter Technology
Yes
Chassis Type
Fixed
Additional Features
The Windmill AC with WhisperTech Inverter Technology is an efficient, quiet, eco-friendly and smart window air conditioner built for today's needs. Award winning WhisperTech Inverter Technology saves up to 40% on energy cost, faster cooling, Quiet Operation (9x quieter than traditional units). With curved edges, clean lines, and a low-profile look, Windmill is designed to blend right into your home. The small-sized 12,000 BTU unit cools spaces up to 550 square feet. And comes with the install kit pre-assembled for a fast and easy setup.
General Features
Inverter, Quiet, Smart
WiFi Connected
Yes
Wifi/App Controllable
Wifi/Smartphone App Controllable
Smart Features
-
Works with
-
Control Type
Digital
Temperature Display
Yes
Automatic Timer
Yes
Delay Timer
Yes
Automatic Shut Off/Sleep Mode
Yes
Quietest
Yes
Timer Included
Yes
Remote Control Included
Yes
Quick Mount Window Kit
Yes
Upgradeable Filter
No
Washable Filters
Yes
Energy Star Rated
No
Energy Efficiency Ratio
13.5 EER
Energy Star Approved
Yes
Power Cord Length (in.)
78 Inches
Power Requirements
110 Volt 15 or 20 Amp Circuit (Parallel Plug)
Voltage (V)
115
Amperage
11.6
Auto Restart
Yes
Refrigerant Type
R32
Power Cord Location
Right Side
Cooling Amps
11.6 Amps
ADA Compliant
No
CSA Listed
No
ETL Listed
No
UL Listed
No
Warranty Terms - Parts
12 Month(s)
Warranty Terms - Labor
12 Month(s)

Customers Say

AI-generated from the text of customer reviews

This thoughtfully designed window AC unit transforms the typical eyesore into an attractive appliance that genuinely enhances modern living spaces. Its standout upward-flowing air distribution creates an even, comfortable environment without harsh cold spots or direct blasts. While the unit requires two people for installation due to its solid build, the well-organized kit and clear instructions make setup surprisingly manageable. Daily life with this AC is notably pleasant - the whisper-quiet operation feels more like gentle white noise, and the WiFi controls let you adjust settings from anywhere, though connectivity can occasionally hiccup. The efficient cooling performance, combined with energy-saving features and simple maintenance, makes it a practical choice for those seeking both comfort and convenience.

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Rated 5 out of 5 by from And a bag of chips I now have three units covering two homes and they are everything I hoped they would be -- and more! Quiet, effective, and convenient (with device management through my iPhone), I have recommended these many times.
Date published: 2025-12-03
Rated 5 out of 5 by from Best window unit Saved us from the Oklahoma heat this year when our central air went out. We currently have two units at the house and it cools those room down really well. Super easy to install!
Date published: 2025-11-30
Rated 5 out of 5 by from Great working and looking AC From the installation to keeping my home cool, to removing it for the cold winter this is the best AC of all! I have had many ACs and this is best looking and efficient.
Date published: 2025-11-29
Rated 5 out of 5 by from Love these units! These units treated us very well this past summer! We loved our first one so much, we got another. We'd love to eventually have central air in our row home, but in the meantime, having reliable units that are aesthetically-pleasing is a plus. And being able to monitor and control them from our phones is SO helpful, especially when our dogs are home alone.
Date published: 2025-11-26
Rated 5 out of 5 by from Whisper quiet, cool as the other side of the pillow I love my Windmill AC so much, I’ve purchased two more (one for the home office, one for the general downstairs) to keep my house cool during the summer and quiet enough to hear one another. Easy to install (and remove in the winter) with Bluetooth capability, I can cool the house down on my ride home from the gym or the beach. 100% satisfied customer!
Date published: 2025-11-25
Rated 5 out of 5 by from Great and stylish little A/C Needs to replace the window A/C in a small bedroom and I chose Windmill for the easy installation. Happy I did. We have an old house and sometimes it tricky to fit window units so I liked the thought that this one was all one piece. No accordeon sides to lose or break since they are permanently attached. The app to manage the A/C (and fan) from away was simple and effective. I will probably add another unit for a larger room at the beginning of the next summer
Date published: 2025-11-25
Rated 5 out of 5 by from Si good we got two! It’s chic. It’s efficient. And nothing makes me feel like I’m living the high life than turning on the ac from my phone on the way back from the beach over the summer. Truly one of the best things I’ve brought into my home.
Date published: 2025-11-24
Rated 5 out of 5 by from Outstanding service I had an issue with the AC.. the owner promptly replied and made it right. Just amazing customer service from a great company.
Date published: 2025-11-11
Rated 5 out of 5 by from Window air unit Great company to work with. They took care of my needs without hesitation. I would recommend them to friends and family.
Date published: 2025-10-31
Rated 5 out of 5 by from The BEST and easiest AC I’ve ever installed! I bought my Windmill AC from Home Depot this summer, and it has exceeded my expectations in every way. Installation was simple, and I really appreciate the thoughtful design—(they even included a great pair of scissors to assist you with the installation!) especially the rounded edges and clean, modern look that fits perfectly with my decor.The unit cools my room quickly and evenly, and it’s impressively quiet compared to other window ACs I’ve owned. I love that it connects to Wi-Fi so I can control it from my phone, and the app is super easy to use. It’s energy efficient too, which helped keep my electric bill lower during the hottest months.Overall, the Windmill AC has been one of the best home purchases I’ve made all year—stylish, smart, and powerful. Highly recommend it to anyone looking for a reliable and quiet cooling solution! I went back and bought two more!!
Date published: 2025-10-23
Rated 5 out of 5 by from Best Customer Service This has been the best customer service I've ever had with any major appliance. Thank you so much for your professionalism - and business integrity!!
Date published: 2025-10-16
Rated 5 out of 5 by from Love it! I love my Windmill! It's beautiful, efficient, and quiet.
Date published: 2025-10-14
Rated 5 out of 5 by from A great air conditioner Easy install. Definitely eye candy for our window. Quiet. Powerful. A great purchase!
Date published: 2025-10-12
Rated 5 out of 5 by from Great AC Easy to install. Cools down fast. Very quiet inside and outside. Great AC
Date published: 2025-10-11
Rated 5 out of 5 by from Customer service Great unit and if there is a problem customer service will take care of the problem right away.
Date published: 2025-10-09
Rated 5 out of 5 by from Extremely pleased with our Windmill AC and customer service A beautiful window unit, sleek, quiet, and the customer service has been outstanding!
Date published: 2025-10-09
Rated 5 out of 5 by from trying something different I saw this AC on a news site, and thought it sounded like a great little machine. Now that I have one in my window I can report the Windmill is quiet, easy to control, and keeps my rooms nice and cool. No more roaring when the compressor kicks in. I love it!
Date published: 2025-10-03
Rated 5 out of 5 by from Perfect Why didn't I buy this sooner? Truly quiet and cools my apartment quickly.
Date published: 2025-09-16
Rated 5 out of 5 by from Great Product Works great to cool our large space! Sleek design, easy to install, super quiet but has a fan if you need some white noise.
Date published: 2025-09-13
Rated 5 out of 5 by from Great customer service! The AC saved me money this year which was already great but it started to make an odd noise and I was sent a new one no questions asked. Just really great customer service all around.
Date published: 2025-09-12
Rated 5 out of 5 by from Thoughtfully designed and great customer service The thoughtfulness of the design and installation process was fantastic! Little things like them including a pair of nice siccors was impressive.We had a problem with our unit's fan rattling and after working with customer service (who were great) and sending them videos they replaced it with no problems.My only complaint was that they should allow for larger video sizes. 10 MB is way too small to capture the issue.
Date published: 2025-09-08
Rated 5 out of 5 by from Wonderful service at Windmilair! Recently had trouble with my 8000 icing up. Contacted Windmill service and they were very helpful. Gave me some ideas to try to fix the problem., none worked. They decided to replace my unit even though it was out of warranty. Cannot say enough good things about this company and its products.
Date published: 2025-09-02
Rated 5 out of 5 by from Wonderful AC - quiet, very effective, reliable and looks very nice too! The design of the WindMill air conditioner is advanced , leading to a quiet- running, highly effective system. The visual presentation is also very nice .It is a very reliable system - highly recommend.Customer Service is wonderful be it for setting up the AC out of the box or getting replacement air filters- thank you
Date published: 2025-08-31
Rated 5 out of 5 by from Excellent Support! Very quiet and well designed, we did have a problem and the customer support was excellent!
Date published: 2025-08-28
Rated 5 out of 5 by from Super quiet and excellent customer service This is a very quiet A/C and I'm surprised that the major manufactures are not producing the same technology. It's so quiet that any little noise will make one wonder. So a couple of days after installing, I noticed a chirping sound and contacted customer service to make certain this is normal. (still was quieter than a traditional unit). It was determined that the sound is not normal and must have suffered shipping damage. Without hesitation I was sent via express delivery, another unit. This is quiet enough that I had to wonder how it could cool, but it does an excellent job of that as well. Our sofa is in front of the A/C and it doesn't bother at all. The air blows up, not out. I love the wifi feature and the app is simple without complicated graphics. This outfit knows how to do it and I am a 100% supporter! I'll be buying more for other rooms in our 1920's Washington DC Co-Op
Date published: 2025-08-28
Rated 5 out of 5 by from Best Window AC Ever—Stylish, Quiet, and Powerful! I couldn’t be happier with my Windmill AC! From the moment it arrived, the setup was unbelievably easy—out of the box and cooling within minutes. The design is sleek and modern, blending right into my home without the clunky look of traditional window units.Performance-wise, it’s outstanding: whisper-quiet, powerful cooling, and the airflow feels cleaner thanks to the built-in air filter. The app control is a game-changer—I can adjust the temperature from anywhere, even before I get home, which makes it super convenient.What really stands out is the attention to detail: the packaging is eco-friendly, the installation kit is foolproof, and the customer service is top-notch. It’s clear Windmill thought about everything to make this experience seamless.If you’re considering an AC upgrade, stop searching—Windmill is worth every penny. It cools beautifully, looks great, and feels smarter than any AC I’ve owned before. Highly recommend!
Date published: 2025-08-24
Rated 5 out of 5 by from Great Product and Fantastic Support I love the super quiet AC unit. Perfect for my home office-quiet enough for me to hold Teams meetings. Had an issue with the original unit, but the customer support was amazing. Followed up quickly and after just a few questions and uploading a quick video, they replaced the original unit. So impressed with the support. And anyone that comes into my office space is amazed at how quiet the unit is. And I love how I can control everything from the app. I highly recommend the product and the company/support behind it.
Date published: 2025-08-24
Rated 5 out of 5 by from Great product and support We’re very happy with our Windmill AC. While one unit failed after just over a year, we consider it an aberration and Windmill was so good about backing their product with a replacement.
Date published: 2025-08-23
Rated 5 out of 5 by from great customer service I had a 10,000 btu unit that developed a startling rattle due to the compressor being too close to something metal and all it took was a few simple emails w/ a video and photos attached and they handled it from there.The new unit itself is aesthetically pleasing and is quiet to say the least. If you're used to the hum of a standard window A/C, this thing will make you wonder if it's even on. I worked with Mike, Lisbeth and Francesca - all of them were very receptive to my situation and quick to reply with help. Thank you team for all you did in making this new customer very happy.
Date published: 2025-08-21
Rated 5 out of 5 by from Quick service New unit was not running right. I sent a video and was contacted within 24hrs and a new unit was shipped right away. Great response time!
Date published: 2025-08-19
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Can this ac be installed in a sleeve through the wall?

Asked by: Jp12
No, its a window unit
Answered by: Dwe11
Date published: 2025-05-04
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