Whynter Nex Inverter Portable Air Conditioner Dual Hose Cooling, 500 Sq Ft Efficiency 12000 Btu (10000 Btu Sacc) Arc-1280MX
Whynter Nex Inverter Portable Air Conditioner Dual Hose Cooling, 500 Sq Ft Efficiency 12000 Btu (10000 Btu Sacc) Arc-1280MX
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Whynter Nex Inverter Portable Air Conditioner Dual Hose Cooling, 500 Sq Ft Efficiency 12000 Btu (10000 Btu Sacc) Arc-1280MX

64 ratings

Key item features

  • Powerful Cooling: Provides 12,000 Btu (10,000 SACC) cooling for up to 500 Sq. Ft. and a high dehumidification capacity of 87 pints per day.
  • Advanced Efficiency: Features advanced Inverter technology for over 20% cooling efficiency and 40% energy savings, utilizing R32 refrigerant and operating quietly below 50 dB.
  • Smart Connectivity: Offers smart home integration with Amazon Alexa, Google Home, and the NetHome Plus app, alongside remote control and a digital display for easy settings access.
  • Versatile Operation: Supports Auto, Cool, Dehumidify, and Fan modes, complemented by a 24-hour timer, sleep mode, auto-restart, scheduling, and full thermostatic control (60-86°F).
  • User-Friendly Design: Incorporates patented auto-drain with dual ports, an automatic 80° flexible louver for even airflow, and a washable filter for simple maintenance. It is portable with casters.
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Specs

Air conditioner type, Portable Air ConditionersBtu, 10000Coverage area, 500 sq ftCooling rate, 10000 BTUBrand, WhynterMount type, Floor

About this item

Product details

Elevate your home comfort with the Whynter ARC-1280MX Nex Inverter 12000 Btu Portable Air Conditioner. This powerful unit effectively cools spaces up to 500 Sq. Ft. with its 12,000 Btu / 10,000 Sacc capacity, while also providing high dehumidification of up to 87 pints per day. This innovative model ensures optimal performance, while smart Wi-Fi connectivity puts control at your fingertips, whether you’re at home or on the go, thanks to seamless integration with Amazon Alexa, Google Home, or the NetHome Plus app. Advanced features such as a 24-hour timer, sleep mode, auto-restart, and a filter check reminder further enhance convenience, ensuring effortless operation tailored to your lifestyle. With its sleek white design and whisper-quiet operation, the Whynter ARC-1280MX effortlessly complements any home decor while delivering unparalleled comfort.
  • Powerful 12,000 Btu / 10,000 Sacc cooling capacity to effectively cool spaces up to 500 Sq. Ft.
  • High dehumidification capacity of up to 87 pints per day to help maintain optimal indoor humidity levels.
  • Patented auto drain and dual drain ports for hassle-free drainage, ensuring effortless operation.
  • Advanced Inverter technology delivers 20%+ cooling efficiency and 40%+ energy savings for improved performance and cost-effectiveness.
  • Automatic 80° flexible louver ensures optimized airflow for even temperature distribution throughout the room.
  • Refrigerant: R32
  • Versatile operation modes, including Auto, Cool, Dehumidify, and Fan, allow you to tailor the climate to your preferences.
  • Digital display and included remote control provide easy access to all settings and functions.
  • Seamless smart home integration with Amazon Alexa and Google Home, as well as the NetHome Plus app, puts control at your fingertips.
  • Convenient features like 24-hour timer, sleep mode, self-diagnosis, and scheduling ensure effortless operation tailored to your lifestyle.
  • LCDI plug for safe operation and low noise levels below 50 dB on low for a peaceful indoor environment.
  • Portable design with casters allows for easy movement and placement in any room.
  • Full thermostatic control (60-86°F) allows you to achieve your desired temperature with precision.
  • Washable air filter for simple maintenance, ensuring optimal performance over time.
  • Auto restart after power outage and UL listing for reliable and safe performance.
  • Unit dimensions: 17.36″ W x 15.63″ D x 28.62″ H
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Air conditioner type

Portable Air Conditioners

Btu

10000

Coverage area

500 sq ft

Cooling rate

10000 BTU

Warranty

Warranty information

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Customer ratings & reviews

4.6 out of 5 stars
stars
64 ratings37 reviews
How item rating is calculated
  1. 5 stars81% (52)
  2. 4 stars9% (6)
  3. 3 stars0% (0)
  4. 2 stars3% (2)
  5. 1 star6% (4)

Reviews summary

Pros

  • : The unit mounts swiftly but requires minor slider trimming.
  • : The unit cools sleeping areas and reduces indoor humidity.
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Showing 1-3 of 37 reviews

Oct 7, 2026
Reviewer name: Geir
Item details
Color: Black
Sold and shipped byWhynter, LLC
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works flawlessly

I bought this because I needed a reasonably priced, reliable, portable AC for a large room. In addition to working flawlessly for what I wanted, the setup was very simple, the instructions are clear, and the included app works beautifully without any glitches. The AC appears durable and well-built, packaging for shipping was very solid.

Helpful?31QDA706CJNP16348170532
Jul 18, 2026
Reviewer name: Ricardo
Item details
Color: Black
Sold and shipped byWhynter, LLC
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

BUY but def read this

Very stable, does pour lots of water so def need an outside exit for the water or a big enough container to retain a day's worth of water (approx 14hrs of usage), if you have a window of 34.5inches wide or less you WILL need to cut the sliders so you can fit it on the window, installation besides that is very easy, app control is very intuitive and easy, can reach down to 60° and it does cool down area fairly well, this ac is rated for 500sqft and I used it on a 600sqft area and it kept the space fairly fresh

Incentivized Review
Helpful?31QDA706CJNP16348170532
Jul 12, 2026
Reviewer name: Cici
Item details
Color: Black
Sold and shipped byWhynter, LLC
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good performance for small room

The portable AC works well so far for us in our bedroom (<200 square feet). We used it a couple times, the noise level was not high as compared to our last one and it lowered the temperature in a short time. Just unfortunately the package arrived right after the first heat wave this year but it's our problem that we didn't purchase it earlier. It takes a week to ship it from CA to MA. The installation is easy but the window slider is too long for our windows. Two sliders were provided for wide windows which is good but I think they should consider more for those with narrow windows. We don't have the saw to cut it so we have to think of another way to make it fit to our window. Overall, it's a little expensive but we are satisfied with its performance so far. Hope it can last longer than our last one from a different brand.

Incentivized Review
Helpful?31QDA706CJNP16348170532
Current price is $599.99
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