Keystone 25,000/24,700 BTU 230V Window/Wall Air Conditioner with 16,000 BTU Supplemental Heat Capability
Keystone 25,000/24,700 BTU 230V Window/Wall Air Conditioner with 16,000 BTU Supplemental Heat Capability
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Keystone 25,000/24,700 BTU 230V Window/Wall Air Conditioner with 16,000 BTU Supplemental Heat Capability

3.8 stars out of 139 reviews
(3.8)|
139 ratings
Keystone 25,000/24,700 BTU 230V Window/Wall Air Conditioner with 16,000 BTU Supplemental Heat CapabilityKeystone 25 000 24 700 BTU 230V Window Wall Air Conditioner with 16 000 BTU Supplemental Heat CapabilityKeystone 18 000 BTU 230 Volt Window Air Conditioner with Heater White KSTHW18AKeystone 8 000 BTU 115 Volt Window Air Conditioner with Heater White KSTHW08A
Size:25000 BTU-Out of stock

Key item features

  • Versatile Installation: Features a removable chassis for flexible window or wall installation, including an adjustable window kit for convenience.
  • Powerful Performance: Offers 25,000/24,700 BTU cooling and 16,000 BTU supplemental heating for rooms up to 1500 sq. ft.
  • Supplemental Heating: Provides additional heat when outdoor temperatures are above 45°F, complementing your main heat source.
  • Electrical Requirement: Requires a special 230-volt/20-amp electrical outlet; incompatible with standard 115V outlets.
  • User-Friendly Controls: Equipped with electronic controls, an LED display, and a temperature-sensing LCD remote for easy operation.
  • Convenient Features: Includes auto-restart, adjustable 4-way airflow, energy saver mode, sleep mode, and a programmable 24-hour timer.
  • Efficient Dehumidification: Capable of dehumidifying up to 5.7 pints per hour, enhancing indoor comfort.
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Current price is $1,344.10
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3.8 out of 5 stars
stars139 ratings71 reviews
How item rating is calculated
  1. 5 stars55% (77)
  2. 4 stars12% (17)
  3. 3 stars6% (9)
  4. 2 stars4% (6)
  5. 1 star22% (30)

Reviews summary

Pros
  • : Offers good value at this cost.
  • : Keeps the place cool and dehumidified during this season.
Neutral
  • : Can be warm and toasty, but may struggle to maintain consistent heat output.
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Showing 1-3 of 71 reviews

Oct 24, 2025
Walmart customer
Top Reviewer
Item details
Size: 8000 BTU
5 out of 5 stars review

Verified Purchase

It's An Air Conditioner With Heat!

The ac works just fine and I like the fact that it cycles and both the cold and the heat work. It is being used in a small room for the time being and the temp is set to 74 and it seems to be keeping that temp with no problem. It's a little louder than I would like, but it works and that is what counts. One thing that I want to mention. When I installed it and started using it a smell came out of it like it had been in storage for some time. It was an old type smell. Filled the room. I had to use frebreeze to knock it out and I ended up spraying the coils on the ac to help knock out that smell. It seems to have worked. No more smell.

Helpful?4ILEIS82PI1T854986517
Sep 18, 2023
kathryn
Item details
Size: 8000 BTU
5 out of 5 stars review

Verified Purchase

Worth the money

This was bought for my son's room that I added on. He has used this unit now for a couple of weeks. It has had no problem cooling 230sf. I haven't been able to tell much of a change in my electric bill since using this as well. Seems to be very energy efficient. I will update review when we use the heat. So far it has been worth the purchase.

Helpful?4ILEIS82PI1T854986517
reply from Product Expert

Thank you for your positive feedback. We are pleased to hear that it met your expectations.

Aug 25, 2020
Yolanda
Item details
Size: 18000 BTU
5 out of 5 stars review

Verified Purchase

Ac unit

Finally up and running. I wasn't aware that it was a 220. I had to have a 220 plug installed before I was able to use it. Cools my large room very well. Love that's it's both air and heat.

Helpful?4ILEIS82PI1T854986517
reply from Product Expert

Thank you for your positive feedback. We are pleased to hear that it met your expectations.