Home Air Conditioners Keystone 450 Sq. Ft. 10,000 BTU Casement Window Air Conditioner

Keystone - 450 Sq. Ft. 10,000 BTU Casement Window Air Conditioner - White

Price range: $434.99
💎
Exceptional Value
Outperforms 57% of air_conditioners at a lower price than 68%.
$435 is 15% below the $511 category median.
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: 89 (computed 2026-04-28 07:03)
GTIN-14: 00840148724167
Keystone - 450 Sq. Ft. 10,000 BTU Casement Window Air Conditioner - White

Key specs

A human-friendly subset of populated specs
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.
BTU 10000.0
56%
Room Coverage 450.0sqft
58%

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 → 2026-04-28 02:59

Recent price history (50)

Show price log (50 entries)
Retailer Price Stock Seen at
bestbuy 434.99 USD In stock 2026-04-28 02:59
bestbuy 434.99 USD In stock 2026-04-26 02:59
bestbuy 434.99 USD In stock 2026-04-25 02:55
bestbuy 434.99 USD In stock 2026-04-24 02:48
bestbuy 434.99 USD In stock 2026-04-23 02:51
bestbuy 434.99 USD In stock 2026-04-22 02:52
bestbuy 434.99 USD In stock 2026-04-21 02:55
bestbuy 434.99 USD In stock 2026-04-20 03:00
bestbuy 434.99 USD In stock 2026-04-19 02:52
bestbuy 434.99 USD In stock 2026-04-18 02:55
bestbuy 434.99 USD In stock 2026-04-17 03:00
bestbuy 434.99 USD In stock 2026-04-16 02:56
bestbuy 434.99 USD In stock 2026-04-15 02:57
bestbuy 434.99 USD In stock 2026-04-14 02:48
bestbuy 434.99 USD In stock 2026-04-13 02:51
bestbuy 434.99 USD In stock 2026-04-12 02:59
bestbuy 434.99 USD In stock 2026-04-11 02:57
bestbuy 434.99 USD In stock 2026-04-10 02:54
bestbuy 434.99 USD In stock 2026-04-09 02:58
bestbuy 434.99 USD In stock 2026-04-08 02:55
bestbuy 434.99 USD In stock 2026-04-07 01:42
bestbuy 434.99 USD In stock 2026-04-06 01:30
bestbuy 434.99 USD In stock 2026-04-05 02:58
bestbuy 434.99 USD In stock 2026-04-04 02:57
bestbuy 434.99 USD In stock 2026-04-03 02:54
bestbuy 434.99 USD In stock 2026-04-02 02:55
bestbuy 434.99 USD In stock 2026-04-01 02:55
bestbuy 434.99 USD In stock 2026-03-31 03:06
bestbuy 434.99 USD In stock 2026-03-30 02:52
bestbuy 434.99 USD In stock 2026-03-29 03:03
bestbuy 434.99 USD In stock 2026-03-28 03:01
bestbuy 434.99 USD In stock 2026-03-27 02:57
bestbuy 434.99 USD In stock 2026-03-26 02:52
bestbuy 434.99 USD In stock 2026-03-25 02:54
bestbuy 434.99 USD In stock 2026-03-24 02:59
bestbuy 434.99 USD In stock 2026-03-23 02:53
bestbuy 434.99 USD In stock 2026-03-22 02:56
bestbuy 434.99 USD In stock 2026-03-21 02:56
bestbuy 434.99 USD In stock 2026-03-20 02:55
bestbuy 434.99 USD In stock 2026-03-19 02:57
bestbuy 434.99 USD In stock 2026-03-18 03:05
bestbuy 434.99 USD In stock 2026-03-17 03:08
bestbuy 434.99 USD In stock 2026-03-16 03:05
bestbuy 434.99 USD In stock 2026-03-15 02:55
bestbuy 434.99 USD In stock 2026-03-14 02:58
bestbuy 434.99 USD In stock 2026-03-13 03:08
bestbuy 434.99 USD In stock 2026-03-12 02:59
bestbuy 434.99 USD In stock 2026-03-11 02:57
bestbuy 434.99 USD In stock 2026-03-10 03:06
bestbuy 434.99 USD In stock 2026-03-09 03:06

Full specs

Show full spec table
BTU10000
Room size (sq. ft.)450
Energy StarNo
TypeWindow
Smart/WiFiNo
Fan speeds3
FilterMesh
CEER/EER10.4
Dimensions20.87 x 14.57 x 23.5 in
Reconciled at2026-03-06 10:56
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Debug data (expand)
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Newegg raw specs
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