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Item #:
231138033
Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat and Remote Control, KSTAW12INV-HC
Item #:
231138033
USD 576
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Tuesday, September 01
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This 12,000 BTU inverter window-mounted air conditioner effectively cools rooms up to 550 square feet with dehumidification up to 1.73 pints per hour to remove moisture from the air.
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What Stands Out
Inverter Technology
Utilizes advanced inverter technology for energy efficiency, reducing electricity bills while providing consistent cooling and heating, making it ideal for year-round comfort.
Supplemental Heating
Offers supplemental heating capabilities, ensuring warmth during colder months, thus serving as a versatile solution for varying seasonal climate needs.
Convenient Control
Includes a remote control for effortless adjustments from anywhere in the room, enhancing user experience and promoting ease of use.
Product Details
Who Should Buy?
-
Urban Dwellers
Ideal for city residents needing efficient cooling and heating for small to medium apartments in summer and winter.
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Seasonal Users
Perfect for users who require additional heat during colder months, featuring inverter technology for energy efficiency.
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Tech-Savvy Users
Great for individuals who enjoy modern conveniences like remote control operation and smart-temperature settings.
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Large Spaces
Not suitable for larger rooms or homes, as 12,000 BTU may underperform in extensive open areas.
Product Description
Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat and Remote Control, KSTAW12INV-HC
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Customer Questions & Answers
-
Question:
What room sizes is this air conditioner suitable for?
Answer: It's designed for rooms up to 550 sq. ft. -
Question:
Can I use the heating mode as a primary heat source?
Answer: No, the heating mode is supplemental and meant for temperatures between 41 and 75 degrees. -
Question:
How does the inverter technology benefit energy consumption?
Answer: It makes the unit 18% more energy efficient by optimizing motor speed for required cooling.
Keystone Air Conditioners with Heaters Editorial Review
** Keystone 12,000 BTU Window Mounted Inverter Air Conditioner** The Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with supplemental heating capabilities has garnered a positive reception among users, celebrated for its efficiency, quiet operation, and reliable performance. Customers deeply appreciate the cold air it produces, noting that even in larger spaces, such as a 470-square-foot room, it cools down quickly and effectively. Installation is reported to be straightforward; most users indicate it can be completed in around 30 minutes, even by those who are not particularly handy. The inclusion of a remote control enhances convenience, allowing users to adjust settings from a distance, which many find beneficial. Additionally, the unit operates quietly compared to previous window air conditioners that users have owned, making it an attractive option for living spaces where noise may be a concern. Beyond cooling, the supplemental heating feature has also received positive remarks, especially for its ability to ward off the morning chill in milder climates. The air conditioner's dehumidification functionality further adds value, addressing concerns about humidity in warmer regions. The washable filter is an appreciated feature, as it promotes easy maintenance and longevity of the unit. Overall, the Keystone inverter air conditioner stands out as a dependable choice for individuals looking to enhance their indoor comfort year-round without sacrificing efficiency or quiet operation. **
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Pros
- Efficient cooling for large spaces
- Quiet operation
- Easy installation process
- Remote control included
- Supplemental heat feature
- Effective dehumidification
- Washable filter for easy maintenance
Cons
- Heavier than typical window units
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 576
Order now and get it around Tuesday, September 01
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- Cools rooms up to 550 sq. ft. with 12,000 BTU power.
- Includes a 10,000 BTU heat pump for supplemental heating.
- 18% more energy efficient thanks to inverter technology.
- 22% quieter on low speed compared to regular window units.
- Convenient features like remote control, programmable timer, and energy saver mode.
- Standard installation with a 6.5-ft. power cord for easy setup.
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