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: 89 (computed 2026-04-28 07:03)
GTIN-14: 00840148726086
Key specs
A human-friendly subset of populated specs
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: 24.5 inches
Pros & Cons
Based on quantified comparisons vs. 198 air_conditioners
✓ Pros
- Btu (12000.0) — top 24% of air_conditioners
- Room Size Sqft (550.0) — top 23% of air_conditioners
✗ Cons
No notable weaknesses detected
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 | 6587487 | 649.99 USD | In stock | View offer → | 2026-04-28 03:38 |
Recent price history (50)
Show price log (50 entries)
| Retailer | Price | Stock | Seen at |
|---|---|---|---|
| bestbuy | 649.99 USD | In stock | 2026-04-28 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-04-26 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-04-25 03:35 |
| bestbuy | 649.99 USD | In stock | 2026-04-24 03:26 |
| bestbuy | 649.99 USD | In stock | 2026-04-23 03:30 |
| bestbuy | 649.99 USD | In stock | 2026-04-22 03:31 |
| bestbuy | 649.99 USD | In stock | 2026-04-21 03:34 |
| bestbuy | 649.99 USD | In stock | 2026-04-20 03:40 |
| bestbuy | 649.99 USD | In stock | 2026-04-19 03:32 |
| bestbuy | 649.99 USD | In stock | 2026-04-18 03:35 |
| bestbuy | 649.99 USD | In stock | 2026-04-17 03:41 |
| bestbuy | 649.99 USD | In stock | 2026-04-16 03:37 |
| bestbuy | 649.99 USD | In stock | 2026-04-15 03:36 |
| bestbuy | 649.99 USD | In stock | 2026-04-14 03:28 |
| bestbuy | 649.99 USD | In stock | 2026-04-13 03:32 |
| bestbuy | 649.99 USD | In stock | 2026-04-12 03:40 |
| bestbuy | 649.99 USD | In stock | 2026-04-11 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-04-10 03:35 |
| bestbuy | 649.99 USD | In stock | 2026-04-10 03:35 |
| bestbuy | 649.99 USD | In stock | 2026-04-09 03:39 |
| bestbuy | 649.99 USD | In stock | 2026-04-08 03:37 |
| bestbuy | 649.99 USD | In stock | 2026-04-04 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-04-03 03:36 |
| bestbuy | 649.99 USD | In stock | 2026-04-02 03:36 |
| bestbuy | 649.99 USD | In stock | 2026-04-01 03:36 |
| bestbuy | 649.99 USD | In stock | 2026-03-31 03:46 |
| bestbuy | 649.99 USD | In stock | 2026-03-30 03:33 |
| bestbuy | 649.99 USD | In stock | 2026-03-29 03:44 |
| bestbuy | 649.99 USD | In stock | 2026-03-28 03:42 |
| bestbuy | 649.99 USD | In stock | 2026-03-27 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-03-26 03:34 |
| bestbuy | 649.99 USD | In stock | 2026-03-25 03:35 |
| bestbuy | 649.99 USD | In stock | 2026-03-24 03:41 |
| bestbuy | 649.99 USD | In stock | 2026-03-23 03:36 |
| bestbuy | 649.99 USD | In stock | 2026-03-22 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-03-21 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-03-20 03:37 |
| bestbuy | 649.99 USD | In stock | 2026-03-19 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-03-18 03:46 |
| bestbuy | 649.99 USD | In stock | 2026-03-17 03:49 |
| bestbuy | 649.99 USD | In stock | 2026-03-16 03:47 |
| bestbuy | 649.99 USD | In stock | 2026-03-15 03:37 |
| bestbuy | 649.99 USD | In stock | 2026-03-14 03:41 |
| bestbuy | 649.99 USD | In stock | 2026-03-13 03:50 |
| bestbuy | 649.99 USD | In stock | 2026-03-12 03:40 |
| bestbuy | 649.99 USD | In stock | 2026-03-11 03:38 |
| bestbuy | 649.99 USD | In stock | 2026-03-10 03:47 |
| bestbuy | 649.99 USD | In stock | 2026-03-09 03:48 |
| bestbuy | 649.99 USD | In stock | 2026-03-06 06:38 |
| bestbuy | 649.99 USD | In stock | 2026-03-03 02:28 |
Full specs
Show full spec table
| BTU | 12000 |
|---|---|
| Room size (sq. ft.) | 550 |
| Energy Star | No |
| Type | Window |
| Smart/WiFi | No |
| Fan speeds | 3 |
| CEER/EER | 9.5 |
| Dimensions | 14.5 x 24.2 x 20.3 in |
| Reconciled at | 2026-03-06 10:56 |
Canonical JSON (expand)
{
"os": {},
"car": {},
"cpu": {},
"gpu": {},
"core": {
"title": "Keystone - 12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Capability - White",
"seo_title": "Keystone KSTAT12-2HD"
},
"lens": {},
"audio": {},
"brand": "Keystone",
"build": {},
"extra": {},
"model": "KSTAT12-2HD",
"ports": {},
"power": {},
"camera": {},
"gtin14": "00840148726086",
"images": [
"https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/f1293874-c686-4fe6-8114-1315e0743555.jpg"
],
"memory": {},
"battery": {},
"display": {},
"release": {},
"storage": {},
"category": "air_conditioner",
"features": {},
"physical": {
"depth_in": 20.3,
"width_in": 24.2,
"height_in": 14.5,
"weight_kg": 35.52,
"dimensions_in": "14.5 x 24.2 x 20.3 in"
},
"thermals": {},
"warranty": {
"labor": "1 Year",
"parts": "1 Year"
},
"wearable": {},
"appliance": {
"btu": 12000,
"ceer": "9.5",
"type": "Window",
"smart": false,
"finish": "White",
"fan_speeds": 3,
"energy_star": false,
"dimensions_hwd": "14.5 x 24.2 x 20.3 in",
"room_size_sqft": 550
},
"networking": {},
"peripheral": {},
"smart_home": {},
"certifications": {},
"schema_version": 1
}
🎯 Smart Alternatives
Data-driven alternatives based on price-vs-performance analysis
💰
Save Money
Similar specs, lower price
Related products
Simple similarity over extracted specs (publish_set only)
Debug data (expand)
| Raw title | Keystone - 12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Function - White |
|---|---|
| Raw brand | Keystone |
| Raw category | Best Buy > Appliances > Heating, Cooling & Air Quality > Air Conditioners > In-Wall Air Conditioners |
Canonical highlights (populated fields only)
| core.title | Keystone - 12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Capability - White |
|---|---|
| core.seo_title | Keystone KSTAT12-2HD |
| brand | Keystone |
| model | KSTAT12-2HD |
| gtin14 | 00840148726086 |
| images[0] | https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/f1293874-c686-4fe6-8114-1315e0743555.jpg |
| category | air_conditioner |
| physical.depth_in | 20.3 |
| physical.width_in | 24.2 |
| physical.height_in | 14.5 |
| physical.weight_kg | 35.52 |
| 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 |
BestBuy raw specs (pretty)
Expand BestBuy raw JSON
{
"sku": 6587487,
"upc": "840148726086",
"url": "https://api.bestbuy.com/click/-/6587487/pdp",
"name": "Keystone - 12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Function - White",
"image": "https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/28643a72-c930-4e52-a2df-3c7f71afea31.jpg",
"details": [
{
"name": "Brand",
"value": "Keystone",
"values": [
"Keystone"
]
},
{
"name": "Model Number",
"value": "KSTAT12-2HD",
"values": [
"KSTAT12-2HD"
]
},
{
"name": "Product Name",
"value": "12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Function",
"values": [
"12,000 BTU 550 Sq. Ft. 230V Through-the-Wall Air Conditioner with 10,600 BTU Supplemental Heat Function"
]
},
{
"name": "Color",
"value": "White",
"values": [
"White"
]
},
{
"name": "Minimum Window Opening Height",
"value": "14.5 inches",
"values": [
"14.5 inches"
]
},
{
"name": "Minimum Window Opening Width",
"value": "24.5 inches",
"values": [
"24.5 inches"
]
},
{
"name": "Maximum Window Opening Height",
"value": "14.5 inches",
"values": [
"14.5 inches"
]
},
{
"name": "Maximum Window Opening Width",
"value": "27 inches",
"values": [
"27 inches"
]
},
{
"name": "Product Height",
"value": "14.5 inches",
"values": [
"14.5 inches"
]
},
{
"name": "Product Width",
"value": "24.2 inches",
"values": [
"24.2 inches"
]
},
{
"name": "Product Depth",
"value": "20.3 inches",
"values": [
"20.3 inches"
]
},
{
"name": "Product Weight",
"value": "78.3 pounds",
"values": [
"78.3 pounds"
]
},
{
"name": "Cord Length",
"value": "78 inches",
"values": [
"78 inches"
]
},
{
"name": "Recommended Room Size",
"value": "550 square feet",
"values": [
"550 square feet"
]
},
{
"name": "BTU Cooling Rating",
"value": "12000 british thermal units",
"values": [
"12000 british thermal units"
]
},
{
"name": "BTU Heat Rating",
"value": "10600 british thermal units",
"values": [
"10600 british thermal units"
]
},
{
"name": "Number of Cool Settings",
"value": "3",
"values": [
"3"
]
},
{
"name": "Number of Fan Speeds",
"value": "3",
"values": [
"3"
]
},
{
"name": "Airflow Rate",
"value": "300 cubic feet per minute",
"values": [
"300 cubic feet per minute"
]
},
{
"name": "Maximum Noise Level",
"value": "61.5 decibels adjusted",
"values": [
"61.5 decibels adjusted"
]
},
{
"name": "Remote Control",
"value": "Yes",
"values": [
"Yes"
]
},
{
"name": "Control Type",
"value": "Button",
"values": [
"Button",
"Button",
"Button"
]
},
{
"name": "Integrated Heater",
"value": "Yes",
"values": [
"Yes"
]
},
{
"name": "Sleep Mode",
"value": "Yes",
"values": [
"Yes"
]
},
{
"name": "Timer",
"value": "Yes",
"values": [
"Yes"
]
},
{
"name": "Auto Shut-Off",
"value": "Yes",
"values": [
"Yes"
]
},
{
"name": "Combined Energy Efficiency Ratio (CEER)",
"value": "9.5",
"values": [
"9.5"
]
},
{
"name": "Voltage Requirement",
"value": "230",
"values": [
"230"
]
},
{
"name": "Amperage",
"value": "5.5 amperes",
"values": [
"5.5 amperes"
]
},
{
"name": "ENERGY STAR Certified",
"value": "No",
"values": [
"No"
]
},
{
"name": "App Compatible",
"value": "No",
"values": [
"No"
]
},
{
"name": "Window Mounting Kit Included",
"value": "Yes",
"values": [
"Yes"
]
},
{
"name": "Air Conditioner Type",
"value": "Wall",
"values": [
"Wall"
]
},
{
"name": "Warranty - Parts",
"value": "1 year",
"values": [
"1 year"
]
},
{
"name": "Warranty - Labor",
"value": "1 year",
"values": [
"1 year"
]
}
],
"features": [
{
"feature": "Powerfully Cool and Effortless Installation\nSay goodbye to complicated installations with the universal interior trim kit included for existing wall sleeves (new sleeve sold separately: KSTSLV1). Just ensure you have a Special 230-Volt/20-Amp electrical outlet ready for this through-the-wall AC unit – designed for efficiency and performance."
},
{
"feature": "Versatile Cooling and Heating Capacity\nThis powerhouse unit boasts a 12,000 BTU cooling capacity and a 10,600 BTU supplemental heating capacity, perfect for large room air conditioners. Enjoy the flexibility of supplemental heat when needed, ideal for maintaining comfort when outdoor temperatures are above 23°F."
},
{
"feature": "Ideal for Medium to Large Rooms\nCreated to cool a room up to 550 sq. ft., this modern AC unit provides cool relief and efficient dehumidification of up to 2.5 pints per hour, ensuring a comfortable indoor environment."
},
{
"feature": "Convenient Controls and Remote Access\nWith electronic controls featuring an LED display, selecting options is a breeze - all at the touch of a button. Plus, the temperature sensing LCD remote control allows you to adjust settings from across the room, ensuring ultimate comfort and convenience."
},
{
"feature": "Smart Design for Ultimate Comfort\nExperience the best of both worlds - exceptional cooling power and comforting supplemental heat - in one sleek, quiet, and energy-efficient through-the-wall AC unit designed for your home."
},
{
"feature": "Voltage Requirement\nThis unit requires a special 230V electrical outlet and will not operate with a standard 115V outlet"
}
],
"condition": "New",
"salePrice": 649.99,
"categoryPath": [
{
"id": "cat00000",
"name": "Best Buy"
},
{
"id": "abcat0900000",
"name": "Appliances"
},
{
"id": "pcmcat302300050021",
"name": "Heating, Cooling & Air Quality"
},
{
"id": "abcat0907001",
"name": "Air Conditioners"
},
{
"id": "abcat0907003",
"name": "In-Wall Air Conditioners"
}
],
"manufacturer": "Keystone",
"regularPrice": 649.99,
"shippingCost": "",
"longDescription": "With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 12,000 BTU / 10,600 BTU supplemental heating capacity air conditioning unit can effectively cool rooms up to 550 square feet with dehumidification up to 2.5 pints per hour to remove moisture from the air. Perfect for medium-sized living spaces like apartments, living rooms, and much more. The unit features a unique remote with a thermostat built in to sense the temperature of the room, displays it on the remote's LCD screen, and sends a signal to your AC unit every 3 minutes for accurate cooling. Money saving features include energy saver mode, sleep mode, and a programmable 24-hour timer. You'll know when it's time to easily remove and clean the mesh filter with the Check Filter alert. Keystone not only provides a 1-year warranty but ensures that you stay cool and comfortable at a cost-conscious price.",
"shortDescription": null,
"onlineAvailability": true,
"inStoreAvailability": true
}
Newegg raw specs
No Newegg raw specs saved for this product yet.