Home Air Conditioners Keystone 550 Sq. Ft 12,000 BTU Window Mounted Inverter Air Conditioner

Keystone - 550 Sq. Ft 12,000 BTU Window Mounted Inverter Air Conditioner - White

Price range: $459.99
✓
Good Value
Outperforms 76% of air_conditioners at a lower price than 47%.
$460 is 2% above the $450 category median.
Brand: Keystone
Category: Air Conditioner
A Keystone 12,000 BTU Window air conditioner for rooms up to 550 sq. ft. · inverter cooling · 3 fan speeds · CEER 0.
PQS: 87 (computed 2026-03-14 07:05:00.920932+00:00)
GTIN-14: 00840148724372
Keystone - 550 Sq. Ft 12,000 BTU Window Mounted Inverter Air Conditioner - White

Key specs

A human-friendly subset of specs (non-null)
Type
Window
BTU
12,000
Room size
550 sq. ft.
Inverter
Yes
Fan speeds
3
Filter
Washable
Efficiency
CEER 0
Dimensions
13.46" H × 19.17" W × 21.97" D
Energy Star
No

Features

  • Inverter technology
  • Remote control
  • Fan speeds: 3
  • CEER 0

Installation notes

  • Opening width: 23 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 12000.0
76% Above avg
Room Coverage 550.0sqft
77% Above avg

Spec Profile Radar

Visual snapshot — outer edge = 100th percentile (best in class)

Offers

Retailer SKU Price Stock Offer Last seen
Best Buy 6554567 459.99 USD Out of stock View offer → 2026-03-14 03:07:27.481209+00:00

Recent price history (50)

Retailer Price Stock Seen at
bestbuy 459.99 USD Out of stock 2026-03-14 03:07:27.481209+00:00
bestbuy 459.99 USD In stock 2026-03-13 03:16:45.096713+00:00
bestbuy 459.99 USD In stock 2026-03-12 03:07:03.009188+00:00
bestbuy 459.99 USD In stock 2026-03-11 03:04:59.138932+00:00
bestbuy 459.99 USD In stock 2026-03-10 03:14:55.546004+00:00
bestbuy 459.99 USD In stock 2026-03-09 03:14:37.704261+00:00
bestbuy 459.99 USD In stock 2026-03-06 06:21:38.557665+00:00
bestbuy 459.99 USD In stock 2026-03-03 02:11:26.768893+00:00
bestbuy 459.99 USD In stock 2026-03-02 08:26:14.922253+00:00

Full specs

Show full spec table
BTU12000
Room size (sq. ft.)550
Energy StarNo
TypeWindow
Smart/WiFiNo
Fan speeds3
FilterWashable
CEER/EER0
Dimensions13.46 x 19.17 x 21.97 in
Reconciled at2026-03-06 10:56:32.254648+00:00
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Raw brandKeystone
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Canonical highlights (non-null)
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core.seo_title Keystone KSTAW12INV
brand Keystone
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appliance.btu 12000
appliance.ceer 0
appliance.type Window
appliance.smart False
appliance.finish White
appliance.fan_speeds 3
appliance.energy_star False
appliance.filter_type Washable
appliance.dimensions_hwd 13.46 x 19.17 x 21.97 in
appliance.room_size_sqft 550
schema_version 1
BestBuy raw specs (pretty)
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Newegg raw specs
No Newegg raw specs saved for this product yet.