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Enjoy powerful cooling, supplemental heating, dehumidification, and fan circulation - all in one budget-friendly unit designed for your family's comfort.
| Cooling Power | 8000 British Thermal Units |
| Additional Features | 4 Way Swing, Dehumidifier, Filter Light Reminder, Heating & Cooling Function, Remote Controlled |
| Color | Bright White |
| Noise | 55 Decibels |
| Refrigerant | R-32 |
| Filter Type | Washable |
| Inverter Type | No Inverter |
| Installation Type | Window |
| Compressor Type | rotary_scroll |
| Is Outdoor Unit Required | No |
| Air Conditioner Application | Residential |
| Core Material | Aluminium Alloy |
| Voltage | 115 Volts |
| Power Source | Corded Electric |
| Wattage | 1220 watts |
| Is Product Cordless | No |
| Seasonal Energy Efficiency Ratio (SEER) | 10.9 |
| Efficiency | [NEED SCALE FOR COMPARISON] |
| Annual Energy Consumption | 1220 Watts |
| Air Flow Efficiency | 248 Cubic Feet Per Minute Per Watt |
| Capacity | 1.9 pints |
| Floor Area | 350 Square Feet |
| Room Type | Bedroom |
| Form Factor | Window |
| Number Of Circuits | 1 |
| Brand Name | Keystone |
| Start Year | 2023 |
| Model Name | Keystone Air Conditioner |
| Model Number | KSTHW08B |
| Included Components | ac, remote, batteries, mesh air filter, window installation kit |
| Global Trade Identification Number | 00840148726758 |
| UPC | 840148726758 |
| Manufacturer | Keystone |
| Item Type Name | Keystone 8,000 BTU Window Air Conditioner with 3,500 BTU Supplemental Heating, 115V, Window AC Unit with Supplemental Heat for Bedroom, Living Room, Small-Medium Rooms up to 350 Sq.Ft. |
| Unit Count | 1.0 Count |
| Item Dimensions D x W x H | 18.98"D x 21.46"W x 14.65"H (48.2 x 54.5 x 37.2 cm) |
| Item Weight | 60.63 Pounds (27.5 kg) |
| Window Opening Maximum Width | 36 Inches (91.4 cm) |
| Window Opening Minimum Height | 16.5 Inches (41.9 cm) |
| Window Opening Minimum Width | 26.8 Inches (68.1 cm) |
| Control Method | Remote, Touch |
| Controller Type | Remote Control |
| Number of Power Levels | 1 |
| Number of Heating Elements | 1 |
| Brand | Keystone |
| Special Feature | 4 Way Swing, Dehumidifier, Filter Light Reminder, Heating & Cooling Function, Remote Controlled |
| Product Dimensions (L x W x H) | 18.98"D x 21.46"W x 14.65"H (48.2 x 54.5 x 37.2 cm) |
| Start year | 2023 |
| Noise Level | 55 Decibels |
Ideal for apartments or small homes needing efficient cooling and heating for areas up to 350 sq.ft.
Cost-effective solution for those seeking dual functionality of cooling and heating without high energy bills.
Perfect for seasonal home users needing versatile climate control without permanent installation.
Not suitable for larger rooms or open spaces beyond 350 sq.ft requiring more powerful units.
Keystone 8,000 BTU Window Air Conditioner with 3,500 BTU Supplemental Heating, 115V, Window AC Unit with Supplemental Heat for Bedroom, Living Room, Small-Medium Rooms up to 350 Sq.Ft.
The Keystone 8,000 BTU 115V Window and Wall Air Conditioner, which also features a 3,500 BTU supplemental heating option, has garnered a range of responses from customers reflecting both satisfaction and disappointment. Most positive reviews emphasize the unit's effective cooling and heating capabilities, especially its ability to chill large spaces efficiently and quietly. Customers have found it easy to install, particularly when replacing older models, and appreciate the convenience of the remote control. Users have cited satisfactory performance even in extreme heat conditions, particularly in warm climates such as Arizona, and mentioned that electric bills remain manageable. The built-in heating feature is highlighted as a bonus, providing additional warmth during cooler months to supplement existing heating systems. However, there have been significant concerns raised by some customers regarding reliability and safety. A few users reported severe malfunctions such as smoke emissions, electrical issues, and even fires, which have undoubtedly affected overall trust in the product. Additionally, some Consumers felt misled regarding the product's heating capabilities, expecting a heat pump function rather than traditional heating elements, leading to further dissatisfaction. While the overall performance of the air conditioner has been praised, particularly its effectiveness and quiet operation, the safety issues and lack of clarity regarding heating functionality have caused notable frustration among users. This has resulted in a polarized reception of the product, underscoring the importance of both reliability and transparency in product descriptions. **
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