Kenmore KM8K-R 8,000 BTU Window Air Conditioner vs Tehanld 12,000 BTU U-Shaped Smart Inverter Window
Updated July 2026 — Kenmore KM8K-R 8,000 BTU Window Air Conditioner wins on power consumption and noise level, Tehanld 12,000 BTU U-Shaped Smart Inverter Window wins on price and cooling area.
The Tehanld 12 offers superior cooling capacity and energy efficiency, making it the better choice for larger spaces. However, the Kenmore KM8K-R is more budget-friendly.
Why Kenmore KM8K-R 8,000 BTU Window Air Conditioner is better
Price
Kenmore is significantly cheaper at $248.99.
Compact Size
Easier to install in standard windows.
Maintenance
Washable filter adds convenience.
Why Tehanld 12,000 BTU U-Shaped Smart Inverter Window is better
Cooling Capacity
Tehanld cools up to 550 sq. ft. vs Kenmore's 350 sq. ft.
Noise Level
Tehanld operates at ultra-quiet 42 dB.
Energy Efficiency
Tehanld uses 37% less energy than standard models.
Overall score
Specifications
| Spec | Kenmore KM8K-R 8,000 BTU Window Air Conditioner | Tehanld 12,000 BTU U-Shaped Smart Inverter Window |
|---|---|---|
| Cooling BTU | 8,000 | 12,000 |
| Energy Cost | $0.25 | $0.18 |
| Installation | Easy | U-shaped |
| Remote Control | Yes | Yes |
| Fan Speeds | 3 | 6 |
Dimension comparison
Overview of the Kenmore KM8K-R and Tehanld 12
The Kenmore KM8K-R is priced at $248.99, while the Tehanld 12 is significantly higher at $429.98. This price difference of about 73% reflects the varying capacities and features of these two air conditioning units. The Kenmore model is designed for medium rooms up to 350 sq. ft., while the Tehanld model can cool spaces up to 550 sq. ft., making it a better fit for larger areas.
Cooling Capacity
The Tehanld 12 boasts a substantial 12,000 BTU cooling capacity, compared to Kenmore KM8K-R's 8,000 BTU. This higher capacity allows the Tehanld to efficiently cool rooms up to 550 sq. ft., making it more suitable for larger living spaces. In contrast, the Kenmore model is ideal for medium-sized rooms, effectively cooling areas up to 350 sq. ft. Therefore, those with larger rooms may find the Tehanld to be the superior choice.
Noise Levels
When it comes to noise levels, the Tehanld 12 operates at an ultra-quiet 42 dB, which is significantly quieter than traditional units that average around 60 dB. This makes it an excellent option for those who prioritize a peaceful environment, especially in bedrooms or workspaces. In comparison, while the Kenmore KM8K-R does not specify its noise level, it is designed for quiet operation, though it may not match the silence offered by the Tehanld.
Energy Efficiency
The Kenmore KM8K-R has a CEER of 10.9, indicating a balance between cooling efficiency and power consumption. On the other hand, the Tehanld 12 is designed to use 37% less energy than standard models, costing only about $0.18 per day to operate. This can make a significant difference in monthly utility bills, especially for users who run their air conditioners frequently. Therefore, if energy savings are a primary concern, the Tehanld model offers a more efficient solution.
Features and Controls
Both air conditioners come equipped with remote control for convenience, but they differ in operational modes. The Kenmore KM8K-R features multiple modes including Sleep, Auto, Eco, and Cooling, along with three fan speeds for customizable comfort. The Tehanld 12 also includes six practical modes: Cool, Dry, Fan, Sleep, Auto, and Energy Saver. This variety in modes allows users of both units to tailor their cooling experience according to their needs; however, the Tehanld offers a slight edge with its additional modes.
Installation and Maintenance
The Kenmore KM8K-R is designed for easy installation into standard windows with no structural modifications required. Its compact size also allows for straightforward setup and seasonal storage. The Tehanld 12 features a U-shaped design that fits most sliding and double-hung windows, enhancing flexibility during installation. Its side sealing strips help eliminate air leaks, improving cooling efficiency. Both models emphasize low maintenance, but the Kenmore's washable filter adds an extra layer of convenience in keeping the air clean.
Price Comparison
At $248.99, the Kenmore KM8K-R is about 73% cheaper than the Tehanld 12, which is priced at $429.98. This significant price disparity might make the Kenmore model more appealing to budget-conscious consumers looking for reliable cooling without the extra features. However, the Tehanld's higher price can be justified by its superior cooling capacity, energy efficiency, and ultra-quiet operation, which may be worth the investment for some users.
Which should you buy?
Choosing between the Kenmore KM8K-R and the Tehanld 12 ultimately depends on your specific needs. If you require an air conditioner for a medium-sized room and are looking for an economical option, the Kenmore KM8K-R is a solid choice at $248.99. However, if you need to cool a larger space efficiently and prioritize features like ultra-quiet operation and energy savings, the Tehanld 12 offers significant advantages, albeit at a higher price of $429.98. Weighing your requirements against the features and costs will guide you to the right decision for your cooling needs.

