Whirlpool 12,000 BTU Through the Wall Air Conditioner, WHAT121-1BW
Whirlpool 12,000 BTU Through the Wall Air Conditioner, WHAT121-1BW
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Whirlpool 12,000 BTU Through the Wall Air Conditioner, WHAT121-1BW

Key item features

  • Cooling Capacity: This 12,000 BTU through-the-wall air conditioner efficiently cools rooms up to 550 sq. ft. and provides up to 1.6 pints per hour of dehumidification.
  • Installation Type: Designed exclusively for through-the-wall installation, it is not suitable for window mounting and is compatible with standard wall sleeves.
  • Control Options: Features an on-board electronic control panel with a digital display and includes a remote control with an LCD display for convenient operation.
  • Energy Efficiency: Offers an Eco mode for energy savings by automatically shutting off the compressor once the desired temperature is reached, alongside a Sleep mode for gradual temperature adjustment.
  • Convenient Features: Includes a programmable 24-hour on/off timer, automatic restart after power failure, 8-way directional air louvers, and a washable air filter with a clean filter alert.
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Current price is Now $599.99
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Sold and shipped by Four Seasons Trading Company
4.138728323699422 stars out of 5, based on 173 seller reviews(4.1)
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Customer ratings & reviews

4.4 out of 5 stars
stars41 ratings27 reviews
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Reviews summary

Pros

  • : Minimizes energy consumption while providing capacity.
  • : Allows for customized cooling to desired level.
  • : Produces air that can cover the whole room.

Neutral

  • : Can be whisper-quiet, but also average for its class.
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Showing 1-3 of 27 reviews

May 25, 2026
Judith
Item details
BTU: 12000
Sold and shipped byFour Seasons Trading Company
5 out of 5 stars review

Verified Purchase

Very nice!

Easy to install. Slid right in the old sleeve. Was surprised how quiet it is compared to my old one. I like the remote and how you can set it to turn on or off when you want. I also really like how you can turn the air vents any way you want. The air is cold and doesn't take long to cool down a large room. Fast shipping.

Helpful?4KS1KJ1L6S395551539056
Jun 6, 2026
Karen
Item details
BTU: 10000
5 out of 5 stars review

Verified Purchase

My son installed it by him self everything thst was needed the hard pieces of foam to fill in yhe empty gaps around the window the fat and thin strips of foam to go around the air conditioner I thought I would have to buy extra

Helpful?4KS1KJ1L6S395551539056
Aug 3, 2025
Maria
Item details
BTU: 8000
5 out of 5 stars review

Verified Purchase

Nice and cool.

Helpful?4KS1KJ1L6S395551539056