Home Air Conditioners Keystone 8,000 BTU 115V Window Air Conditioner with 3,500 BTU Supplemental Heat Capability

Keystone - 8,000 BTU 115V Window Air Conditioner with 3,500 BTU Supplemental Heat Capability - White

Price range: $429.99
Brand: Keystone
Category: Air Conditioner
A Keystone 8,000 BTU Window air conditioner for rooms up to 350 sq. ft. · 3 fan speeds · CEER 10.9.
PQS: 87 (computed 2026-03-14 07:05:00.920932+00:00)
GTIN-14: 00840148726758
Keystone - 8,000 BTU 115V Window Air Conditioner with 3,500 BTU Supplemental Heat Capability - White

Key specs

A human-friendly subset of specs (non-null)
Type
Window
BTU
8,000
Room size
350 sq. ft.
Fan speeds
3
Efficiency
CEER 10.9
Dimensions
14.65" H × 21.46" W × 18.98" D
Energy Star
No

Features

  • Remote control
  • Fan speeds: 3
  • CEER 10.9

Installation notes

  • Opening width: 21.46 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 8000.0
34% Below avg
Room Coverage 350.0sqft
37% Below avg

Spec Profile Radar

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

Offers

Retailer SKU Price Stock Offer Last seen
Best Buy 6585664 429.99 USD In stock View offer → 2026-03-14 03:38:13.970440+00:00

Recent price history (50)

Retailer Price Stock Seen at
bestbuy 429.99 USD In stock 2026-03-14 03:38:13.970440+00:00
bestbuy 429.99 USD In stock 2026-03-13 03:47:53.883332+00:00
bestbuy 429.99 USD In stock 2026-03-12 03:38:07.530019+00:00
bestbuy 429.99 USD In stock 2026-03-11 03:36:14.814041+00:00
bestbuy 429.99 USD In stock 2026-03-10 03:44:51.788431+00:00
bestbuy 429.99 USD In stock 2026-03-09 03:45:34.132255+00:00
bestbuy 429.99 USD In stock 2026-03-06 06:37:30.401096+00:00
bestbuy 429.99 USD In stock 2026-03-03 02:27:32.501867+00:00
bestbuy 429.99 USD In stock 2026-03-02 08:56:02.022826+00:00

Full specs

Show full spec table
BTU8000
Room size (sq. ft.)350
Energy StarNo
TypeWindow
Smart/WiFiNo
Fan speeds3
CEER/EER10.9
Dimensions14.65 x 21.46 x 18.98 in
Reconciled at2026-03-06 10:56:32.254648+00:00
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Canonical highlights (non-null)
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core.seo_title Keystone KSTHW08B
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physical.dimensions_in 14.65 x 21.46 x 18.98 in
warranty.labor 1 Year
warranty.parts 1 Year
appliance.btu 8000
appliance.ceer 10.9
appliance.type Window
appliance.smart False
appliance.finish White
appliance.fan_speeds 3
appliance.energy_star False
appliance.dimensions_hwd 14.65 x 21.46 x 18.98 in
appliance.room_size_sqft 350
schema_version 1
BestBuy raw specs (pretty)
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Newegg raw specs
No Newegg raw specs saved for this product yet.