Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat and Remote Control, KSTAW12INV-HC
Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat and Remote Control, KSTAW12INV-HC
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Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat and Remote Control, KSTAW12INV-HC

4.3 stars out of 19 reviews
(4.3)|
19 ratings

Key item features

  • Powerful Cooling: This 12,000 BTU window air conditioner effectively cools rooms up to 550 sq. ft. and dehumidifies up to 1.73 pints per hour.
  • Supplemental Heating: Features a 10,000 BTU heat pump for supplemental heating in temperatures between 41 and 75 degrees Fahrenheit.
  • Energy Efficient: Inverter technology makes the unit 18% more energy efficient and 22% quieter on low speed compared to standard window units.
  • Convenient Controls: Includes a remote control, energy saver mode, sleep mode, a programmable 24-hour timer, and a Check Filter alert.
  • Flexible Installation: Designed for windows with a minimum width of 24", maximum width of 38.5", and a height of 14.5".
  • Standard Power: Operates with a 6.5-ft. power cord and LCDI plug using a standard 115V electrical outlet.
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Current price is $629.99
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Columbus, 43215
Arrives by Fri, Feb 20
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Sold and shipped by Four Seasons Trading Company
4.147651006711409 stars out of 5, based on 149 seller reviews(4.1)
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Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat and Remote Control, KSTAW12INV-HC $629.99

Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat and Remote Control, KSTAW12INV-HC
current price $629.99

Keystone 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat and Remote Control, KSTAW12INV-HC

4.3 out of 5 Stars. 19 reviews

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Customer ratings & reviews

4.3 out of 5 stars
stars19 ratings16 reviews
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Reviews summary

Pros
  • : Minimizes energy consumption while providing reliable cooling.
  • : Quickly cools a room with efficient performance.
  • : Comes with an intuitive control.
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Showing 1-3 of 16 reviews

Nov 2, 2024
Deliha
Item details
BTU: 12000
5 out of 5 stars review

Verified Purchase

i like how quiet the system work

Helpful?2ZHO2SY2IJQE5371471255
May 22, 2025
emilyb1186_7128
5 out of 5 stars review

Great ice cold air

[This review was collected as part of a promotion.] This air conditioner is great! It was very easy installation. Everything needed to install came in the box. We have central air but our son's room always stays hot, so we added this to his room, and it made such a big difference! Low level noise, energy efficiency, plus dehumidifier all wrapped up in one with a remote control added on top of it all! Great product

Review from influenster.com
Helpful?2ZHO2SY2IJQE5371471255
May 21, 2025
rosen48_9319
5 out of 5 stars review

Smoothly, quietly bringing cool air

[This review was collected as part of a promotion.] The unit works like charm. My master bed is hotter than the rest of the rooms in the house. This AC definitely helped cool down my 470 square feet room quickly. It runs smoothly and quietly during the operation. It came with everything you need to install. It has a remote control and comes with batteries as well. It is the first time my husband set it up. It took him about 30 minutes to finish the job.

Review from influenster.com
Helpful?2ZHO2SY2IJQE5371471255