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Keystone 12,000 BTU Window Air Conditioner with vs LG 14000 BTU Window Air Conditioners Remote

Updated July 2026 — Keystone 12,000 BTU Window Air Conditioner with wins on heating and price, LG 14000 BTU Window Air Conditioners Remote wins on noise and cooling.

The LG 14000 BTU Window Air Conditioner excels in cooling capacity and smart features, while the Keystone 12 offers heating capabilities. Choose based on your specific needs.

Why Keystone 12,000 BTU Window Air Conditioner with is better

Heating

Keystone offers supplemental heating capability.

Price

Keystone is about 17% cheaper than LG.

Energy Saver

Keystone has energy-saving modes.

Why LG 14000 BTU Window Air Conditioners Remote is better

Cooling

LG has a higher cooling capacity of 14,000 BTU.

Smart Features

LG includes smart technology for remote control.

Noise Level

LG operates at lower noise levels.

Overall score

Keystone 12,000 BTU Window Air Conditioner with
72
LG 14000 BTU Window Air Conditioners Remote
85

Specifications

SpecKeystone 12,000 BTU Window Air Conditioner withLG 14000 BTU Window Air Conditioners Remote
Cooling BTU1200014000
Heating BTU110000
Coverage Area550 sq ft800 sq ft
Smart ControlNoYes
Noise LevelNot specified50 dB

Dimension comparison

Keystone 12,000 BTU Window Air Conditioner withLG 14000 BTU Window Air Conditioners Remote

Cooling Capacity Comparison

When it comes to cooling capacity, the LG 14000 BTU Window Air Conditioner outperforms the Keystone 12. The LG unit is rated at 14,000 BTU, making it suitable for spaces up to 800 square feet, while the Keystone is rated at 12,000 BTU and effectively cools areas up to 550 square feet. This difference in capacity means that the LG is better equipped to handle larger rooms, providing a more powerful cooling experience. Additionally, the higher capacity of the LG unit may make it a more appealing choice for those living in warmer climates or larger living spaces.

Heating Features

The Keystone 12 includes a supplemental heating feature, providing 11,000 BTU of heating capability. This makes it a versatile option for year-round comfort, especially in areas where temperatures can drop. In contrast, the LG 14000 BTU model does not offer any heating functionality. While the Keystone can serve as an additional heat source when temperatures are between 23 and 76 degrees Fahrenheit, the LG focuses solely on cooling. Therefore, if you need both heating and cooling, the Keystone is the more suitable option.

Energy Efficiency

When it comes to energy efficiency, both air conditioners are designed to help manage electricity costs, but they approach it differently. The Keystone 12 features an 'Energy Saver' mode and a 'Sleep' mode, allowing users to save on their electric bills. It is designed to operate efficiently, especially in medium-sized rooms. On the other hand, the LG model is also energy-efficient, but specific energy consumption data is not provided. However, it is important to note that the LG 14000 BTU model has a higher price point at $532.62 compared to the Keystone at $449.99, making the Keystone about 17% cheaper while still offering substantial energy-saving features.

Smart Technology

The LG 14000 BTU Window Air Conditioner is equipped with modern smart technology, allowing users to control the unit remotely via the LG ThinQ app. This feature is compatible with voice commands through Google Assistant and Amazon Alexa, providing convenience and flexibility. The Keystone 12, while effective and user-friendly, lacks any smart technology features. For tech-savvy consumers who value the ability to adjust their AC settings from anywhere, the LG offers a significant advantage with its remote capabilities.

Installation Process

Both air conditioners are designed for easy installation, but they offer different approaches. The LG unit features a slide-in and out chassis, making it particularly user-friendly for installation in double-hung windows. It comes with an EZ Mount installation kit, ensuring a straightforward setup process. Meanwhile, the Keystone 12 also includes a window installation kit, but specifics about the installation process are less detailed. If ease of installation is a priority, the LG's design may provide a smoother experience.

Noise Levels

The LG 14000 BTU unit operates at sound levels as low as 50 decibels in low mode, making it an ultra-quiet option for large spaces. This feature is ideal for those who prefer a peaceful environment without the disruptive noise often associated with air conditioning units. In comparison, the noise levels of the Keystone 12 are not specified, but typically, units in this category can be noisier. If a quiet operation is essential for your living space, the LG would likely be the better choice.

Cleaning and Maintenance

The LG air conditioner features an easy-to-clean washable dust filter, which helps maintain optimal performance by capturing dust effectively. This filter can be cleaned every 30 days, ensuring the unit runs efficiently over time. The Keystone 12, while it does not specify its filter cleaning process, also aims to provide reliable performance. If ease of maintenance is a key factor in your decision, the LG's washable filter system offers a more straightforward approach to upkeep.

Which should you buy?

In conclusion, choosing between the Keystone 12 and the LG 14000 BTU Window Air Conditioner depends on your specific needs. If you require a unit with both cooling and supplemental heating capabilities, the Keystone is a strong contender. However, for those who prioritize advanced smart technology, powerful cooling for larger spaces, and quiet operation, the LG presents a compelling option. Additionally, the Keystone is about 17% cheaper than the LG, which may influence budget-conscious buyers. Consider your priorities—be it heating, smart features, or cooling power—when making your decision.