Keystone 14,000 BTU Window Air Conditioner and vs LG 12,200 BTU Window Air Conditioner with
Updated July 2026 — Keystone 14,000 BTU Window Air Conditioner and wins on cooling area and dehumidification, LG 12,200 BTU Window Air Conditioner with wins on price and noise level.
The Keystone 14 offers better cooling capacity and energy efficiency at a lower price, making it the superior choice for most users.
Why Keystone 14,000 BTU Window Air Conditioner and is better
Cooling Capacity
14,000 BTUs vs 12,200 BTUs
Price
$399.99 vs $499.99
Dehumidification
Removes 2.1 pints/hour
Why LG 12,200 BTU Window Air Conditioner with is better
Noise Level
Operates at 50dB
Installation
Includes easy installation kit
Heating Feature
Offers supplemental heat
Overall score
Specifications
| Spec | Keystone 14,000 BTU Window Air Conditioner and | LG 12,200 BTU Window Air Conditioner with |
|---|---|---|
| Cooling BTUs | 14,000 | 12,200 |
| Max Area | 650 sq ft | 570 sq ft |
| Price | $399.99 | $499.99 |
| Noise Level | N/A | 50dB |
| Dehumidification | 2.1 pints/hr | N/A |
Dimension comparison
Overview of Keystone 14 and LG 12
The Keystone 14 is priced at $399.99, making it about 17% cheaper than the LG 12, which is listed at $499.99. Both air conditioners are designed for medium to large rooms, but they differ in features and functionalities that cater to various user needs. The Keystone 14 offers a cooling capacity of 14,000 BTUs for spaces up to 650 square feet, while the LG 12 provides a slightly lower cooling capacity of 12,200 BTUs for rooms up to 570 square feet.
Cooling Efficiency and Capacity
The Keystone 14 is ideal for larger spaces, boasting the ability to cool up to 650 square feet, compared to the LG 12's capacity of 570 square feet. This difference allows the Keystone to handle larger living rooms or apartments more effectively. Both units feature multiple cooling modes, but the Keystone includes three cooling modes and three fan speeds, allowing for greater flexibility in adjusting to changing temperatures. In contrast, the LG 12 offers two cooling speeds, which may limit customization for users with specific cooling preferences.
Dehumidification Features
The Keystone 14 excels in dehumidification, removing up to 2.1 pints of moisture from the air every hour. This feature is crucial for improving indoor air quality and comfort. While the LG 12 does not specify a dehumidification rate, its cooling capabilities suggest it can also manage humidity levels. However, without explicit details, the Keystone stands out for those prioritizing moisture removal in their living spaces, particularly in humid climates.
Noise Levels
The LG 12 operates at sound levels as low as 50dB in low mode, making it a quieter option for users sensitive to noise. The Keystone 14 does not provide specific noise level metrics, which leaves uncertainty about its operational sound levels. For individuals who prioritize a peaceful environment, especially during sleep, the LG 12 may be the more appealing choice due to its emphasis on low noise performance.
Energy Efficiency and Cost
The Keystone 14 promotes energy savings through its programmable Energy Saver and Sleep modes, which can help reduce electric bills. It is designed with energy efficiency in mind, making it an economical choice for long-term use. The LG 12 also offers energy-saving features but does not specify the same advanced modes as the Keystone. The difference in initial pricing—$399.99 for the Keystone versus $499.99 for the LG—also suggests that the Keystone may provide a better value regarding energy efficiency, especially for those on a budget.
Control Options and Features
Both units come equipped with remote control functionality, enhancing convenience for users. The Keystone 14 features a smart remote that senses the room temperature and adjusts the cooling accordingly. This capability allows for personalized comfort based on the specific location within the room. The LG 12 also includes a remote control but lacks the advanced temperature sensing feature of the Keystone. This difference may be significant for users seeking tailored climate control.
Installation and Maintenance
The LG 12 includes an easy window installation kit, ensuring a hassle-free setup process, which can be a significant advantage for those who may not have experience installing air conditioning units. The Keystone 14 offers a washable and reusable filter, complemented by a check filter indicator light, which reminds users when to clean the filter. While both units require maintenance, the Keystone's alert system may prolong the unit's lifespan by encouraging regular cleaning, thus optimizing performance over time.
Which should you buy?
Choosing between the Keystone 14 and the LG 12 ultimately depends on your specific needs and preferences. If you prioritize cooling capacity, dehumidification, and energy-saving features, the Keystone 14 may be the better choice, especially considering its lower price of $399.99. On the other hand, if noise level and ease of installation are more critical to you, the LG 12's quieter operation and straightforward setup process could justify its higher price of $499.99. In summary, both air conditioners have their strengths, so your decision should align with what features you value most in your cooling solution.

