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Keystone 5,000 BTU Window Air Conditioner and vs LG 12,200 BTU Window Air Conditioner with

Updated July 2026 — Keystone 5,000 BTU Window Air Conditioner and wins on noise, LG 12,200 BTU Window Air Conditioner with wins on price and size.

The Keystone 5 is a budget-friendly option for small spaces, while the LG 12 offers greater cooling power and heating capabilities for larger areas.

Why Keystone 5,000 BTU Window Air Conditioner and is better

Price

Keystone 5 is $309.99, cheaper than LG 12 at $499.99.

Energy Efficiency

Keystone 5 has dedicated energy-saving modes.

Compact Size

Keystone 5 is ideal for small rooms up to 150 sq. ft.

Why LG 12,200 BTU Window Air Conditioner with is better

Cooling Capacity

LG 12 cools rooms up to 570 sq. ft.

Heating Option

LG 12 includes supplemental heating.

Noise Level

LG 12 operates at a lower noise level of 50 dB.

Overall score

Keystone 5,000 BTU Window Air Conditioner and
75
LG 12,200 BTU Window Air Conditioner with
85

Specifications

SpecKeystone 5,000 BTU Window Air Conditioner andLG 12,200 BTU Window Air Conditioner with
Cooling BTU5,00012,200
Heating BTU03,800
Noise Level52 dB50 dB
Remote ControlYesYes
Energy SaverYesNo

Dimension comparison

Keystone 5,000 BTU Window Air Conditioner andLG 12,200 BTU Window Air Conditioner with

Overview of Keystone 5 and LG 12

The Keystone 5 is priced at $309.99, making it about 17% cheaper than the LG 12, which retails for $499.99. This price difference positions the Keystone 5 as a budget-friendly option for those looking to cool smaller spaces. Conversely, the LG 12 offers greater cooling power, making it suitable for larger areas. Understanding your cooling needs will help you make the right choice between these two air conditioning units.

Cooling Capacity Comparison

The LG 12 boasts a cooling capacity of 12,200 BTU, which allows it to effectively cool rooms up to 570 square feet. In contrast, the Keystone 5 has a cooling capacity of 5,000 BTU, making it ideal for smaller spaces up to 150 square feet. If you require air conditioning for a larger living area, the LG 12 is the clear winner. However, for smaller rooms like bedrooms or bathrooms, the Keystone 5 provides sufficient cooling without the excess power, emphasizing efficiency for compact living.

Heating Features

An important distinction between these two units is that the LG 12 includes a supplemental heat option. This feature is particularly beneficial for transitional seasons when cooling is not necessary, but warmth is desired. The Keystone 5, on the other hand, does not offer any heating capabilities. If you live in an area with varying temperatures throughout the year, the LG 12's dual functionality makes it a more versatile choice.

Noise Levels

Both units operate quietly, but the LG 12 slightly edges out with a noise level of as low as 50 dB, compared to the Keystone 5's 52 dB. While the difference may seem minor, it could be significant for users sensitive to noise. The Keystone 5 is designed for quiet operation, making it suitable for bedrooms and nurseries, but if absolute silence is paramount, the LG 12 may be the better option.

Control Features

The Keystone 5 features a smart remote control that takes the temperature of the room and adjusts accordingly for optimal comfort. It also includes a programmable timer for convenience. In comparison, the LG 12 also comes with a remote control and offers electronic controls with multiple fan speeds. Both units provide user-friendly controls, but the Keystone’s smart remote adds a layer of convenience that might appeal to tech-savvy users.

Energy Efficiency

Energy efficiency is a crucial consideration when choosing an air conditioner. The Keystone 5 has energy-saving modes that help reduce electricity usage, making it an economically savvy option. The LG 12 also features energy-efficient operation but does not explicitly mention energy-saving modes in its specifications. If minimizing your energy bills is a priority, the Keystone 5 may have the edge due to its dedicated energy-saving features.

Maintenance and Cleaning

Both air conditioners prioritize cleanliness and maintenance, but they approach it differently. The Keystone 5 includes a Check Filter alert, which reminds users when it’s time to clean the mesh filter, ensuring optimal performance. The LG 12 features a removable and washable filter, promoting easy maintenance. While both units are designed for user convenience, the Keystone’s alert system may help keep users more proactive about maintenance.

Which should you buy?

Choosing between the Keystone 5 and the LG 12 ultimately depends on your specific cooling and heating needs. If you’re looking for a budget-friendly option for a small room, the Keystone 5 at $309.99 offers excellent value, particularly with its energy-saving features and smart remote control. However, if you require a more powerful unit that can also provide heat for larger spaces, the LG 12, despite its higher price of $499.99, is likely the better investment due to its 12,200 BTU capacity and supplemental heating option.