Home Air Conditioners Keystone 12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Capability

Keystone - 12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Capability - White

Price range: $649.99
Brand: Keystone
Category: Air Conditioner
A Keystone 12,000 BTU Window air conditioner for rooms up to 550 sq. ft. · 3 fan speeds · CEER 9.5.
PQS: 87 (computed 2026-03-14 07:05:00.920932+00:00)
GTIN-14: 00840148726086
Keystone - 12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Capability - White

Key specs

A human-friendly subset of specs (non-null)
Type
Window
BTU
12,000
Room size
550 sq. ft.
Fan speeds
3
Efficiency
CEER 9.5
Dimensions
14.5" H × 24.2" W × 20.3" D
Energy Star
No

Features

  • Remote control
  • Fan speeds: 3
  • CEER 9.5

Installation notes

  • Opening width: 24.2 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 6587487 649.99 USD In stock View offer → 2026-03-14 03:41:17.108724+00:00

Recent price history (50)

Retailer Price Stock Seen at
bestbuy 649.99 USD In stock 2026-03-14 03:41:17.108724+00:00
bestbuy 649.99 USD In stock 2026-03-13 03:50:57.080202+00:00
bestbuy 649.99 USD In stock 2026-03-12 03:40:43.993095+00:00
bestbuy 649.99 USD In stock 2026-03-11 03:38:42.001326+00:00
bestbuy 649.99 USD In stock 2026-03-10 03:47:57.851188+00:00
bestbuy 649.99 USD In stock 2026-03-09 03:48:23.551326+00:00
bestbuy 649.99 USD In stock 2026-03-06 06:38:59.672469+00:00
bestbuy 649.99 USD In stock 2026-03-03 02:28:58.016179+00:00
bestbuy 649.99 USD In stock 2026-03-02 08:58:42.506436+00:00

Full specs

Show full spec table
BTU12000
Room size (sq. ft.)550
Energy StarNo
TypeWindow
Smart/WiFiNo
Fan speeds3
CEER/EER9.5
Dimensions14.5 x 24.2 x 20.3 in
Reconciled at2026-03-06 10:56:32.254648+00:00
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Raw categoryBest Buy > Appliances > Heating, Cooling & Air Quality > Air Conditioners > Window Air Conditioners
Canonical highlights (non-null)
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core.seo_title Keystone KSTAT12-2HD
brand Keystone
model KSTAT12-2HD
gtin14 00840148726086
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category air_conditioner
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physical.width_in 24.2
physical.height_in 14.5
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physical.dimensions_in 14.5 x 24.2 x 20.3 in
warranty.labor 1 Year
warranty.parts 1 Year
appliance.btu 12000
appliance.ceer 9.5
appliance.type Window
appliance.smart False
appliance.finish White
appliance.fan_speeds 3
appliance.energy_star False
appliance.dimensions_hwd 14.5 x 24.2 x 20.3 in
appliance.room_size_sqft 550
schema_version 1
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Newegg raw specs
No Newegg raw specs saved for this product yet.