Keystone - 450 Sq. Ft. 10,000 BTU Casement Window Air Conditioner - White
Price range: $434.99
Brand: Keystone
Category: Air Conditioner
A Keystone 10,000 BTU Window air conditioner for rooms up to 450 sq. ft. · 3 fan speeds · CEER 10.4.
PQS: 87 (computed 2026-03-14 07:05:00.920932+00:00)
GTIN-14: 00840148724167
Key specs
A human-friendly subset of specs (non-null)
Type
Window
BTU
10,000
Room size
450 sq. ft.
Fan speeds
3
Filter
Mesh
Efficiency
CEER 10.4
Dimensions
20.87" H × 14.57" W × 23.5" D
Energy Star
No
Features
- Remote control
- Fan speeds: 3
- CEER 10.4
Installation notes
- Opening width: 15.5 inches
How this Air Conditioner compares vs. 198 air conditioners
Percentile rank for each spec — higher means this product outperforms more of its peers.
Spec Profile Radar
Visual snapshot — outer edge = 100th percentile (best in class)
Offers
| Retailer | SKU | Price | Stock | Offer | Last seen |
|---|---|---|---|---|---|
| Best Buy | 6542239 | 434.99 USD | In stock | View offer → | 2026-03-14 02:58:37.770316+00:00 |
Recent price history (50)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 434.99 USD | In stock | 2026-03-14 02:58:37.770316+00:00 |
| bestbuy | 434.99 USD | In stock | 2026-03-13 03:08:09.184825+00:00 |
| bestbuy | 434.99 USD | In stock | 2026-03-12 02:59:04.799682+00:00 |
| bestbuy | 434.99 USD | In stock | 2026-03-11 02:57:16.072421+00:00 |
| bestbuy | 434.99 USD | In stock | 2026-03-10 03:06:28.858095+00:00 |
| bestbuy | 434.99 USD | In stock | 2026-03-09 03:06:20.961465+00:00 |
| bestbuy | 434.99 USD | In stock | 2026-03-06 06:17:02.962188+00:00 |
| bestbuy | 434.99 USD | In stock | 2026-03-03 02:07:15.206101+00:00 |
| bestbuy | 434.99 USD | In stock | 2026-03-02 08:17:45.319091+00:00 |
Full specs
Show full spec table
| BTU | 10000 |
|---|---|
| Room size (sq. ft.) | 450 |
| Energy Star | No |
| Type | Window |
| Smart/WiFi | No |
| Fan speeds | 3 |
| Filter | Mesh |
| CEER/EER | 10.4 |
| Dimensions | 20.87 x 14.57 x 23.5 in |
| Reconciled at | 2026-03-06 10:56:32.254648+00:00 |
Canonical JSON (expand)
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Debug data (expand)
| Raw title | Keystone - 450 Sq. Ft. 10,000 BTU Casement Window Air Conditioner - White |
|---|---|
| Raw brand | Keystone |
| Raw category | Best Buy > Appliances > Heating, Cooling & Air Quality > Air Conditioners > Window Air Conditioners |
Canonical highlights (non-null)
| core.title | Keystone - 450 Sq. Ft. 10,000 BTU Casement Window Air Conditioner - White |
|---|---|
| core.seo_title | Keystone KSTSW10B |
| brand | Keystone |
| model | KSTSW10B |
| gtin14 | 00840148724167 |
| images[0] | https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/a9cf884a-624a-4ec1-8a46-af419f7973aa.jpg |
| category | air_conditioner |
| physical.depth_in | 23.5 |
| physical.width_in | 14.57 |
| physical.height_in | 20.87 |
| physical.weight_kg | 33.57 |
| physical.dimensions_in | 20.87 x 14.57 x 23.5 in |
| appliance.btu | 10000 |
| appliance.ceer | 10.4 |
| appliance.type | Window |
| appliance.smart | False |
| appliance.finish | White |
| appliance.fan_speeds | 3 |
| appliance.energy_star | False |
| appliance.filter_type | Mesh |
| appliance.dimensions_hwd | 20.87 x 14.57 x 23.5 in |
| appliance.room_size_sqft | 450 |
| schema_version | 1 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
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"longDescription": "Keep your home cool and comfortable during the hottest summer days with the Keystone 12,000 BTU window and wall-mounted air conditioner, the best energy-efficient and quiet window AC unit for your home. With three fan speeds, the coldest AC unit allows you to customize your cooling preferences, while the 24-hour programmable timer lets you set it and forget it. Enjoy easy controls from the comfort of your couch with the Window AC with remote control. The easy install air conditioner is perfect for window air conditioner units for home, and the modern AC unit with a sleek design adds an extra level of style to your space. Designed for large room air conditioners of up to 550 sq. ft., this energy efficient window AC removes up to 3.8 pints of moisture per hour with built-in dehumidification capabilities, ensuring that your space stays comfortable and healthy. Get perfect cooling performance from a quiet AC unit with the Keystone window air conditioner, the best option for those seeking a high-quality, reliable, and easy-to-use air conditioner.",
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Newegg raw specs
No Newegg raw specs saved for this product yet.