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12,000 BTU U-Shaped Window Air Conditioner, Window vs Whirlpool 15,000 BTU Window Mounted Inverter Air

Updated July 2026 — 12,000 BTU U-Shaped Window Air Conditioner, Window wins on price and installation, Whirlpool 15,000 BTU Window Mounted Inverter Air wins on cooling and efficiency.

The Whirlpool model offers superior cooling capacity and additional features, making it the better choice for larger spaces. However, the Antarctic Star is quieter and more budget-friendly.

Why 12,000 BTU U-Shaped Window Air Conditioner, Window is better

Price

Antarctic Star is $162.01 cheaper

Noise

Antarctic Star operates at 45 dB

Installation

Hassle-free installation kit included

Why Whirlpool 15,000 BTU Window Mounted Inverter Air is better

Cooling Capacity

Whirlpool cools up to 700 sq. ft.

Energy Efficiency

Inverter technology enhances efficiency

Maintenance

Includes clean filter alert feature

Overall score

12,000 BTU U-Shaped Window Air Conditioner, Window
75
Whirlpool 15,000 BTU Window Mounted Inverter Air
85

Specifications

Spec12,000 BTU U-Shaped Window Air Conditioner, WindowWhirlpool 15,000 BTU Window Mounted Inverter Air
BTU12,00015,000
Coverage550 sq. ft.700 sq. ft.
Noise Level45 dB43 dB
Fan Speeds33
DehumidifierYesYes

Dimension comparison

12,000 BTU U-Shaped Window Air Conditioner, WindowWhirlpool 15,000 BTU Window Mounted Inverter Air

Overview of the Products

The 12,000 BTU U-Shaped Window Air Conditioner from Antarctic Star and the Whirlpool 15,000 BTU Window Mounted Inverter Air Conditioner are two compelling options for cooling large spaces. While both units are designed to provide effective cooling and dehumidification, they differ significantly in their specifications and features. The Antarctic Star unit is priced at $466.99, while the Whirlpool model is available for $629.00, making it about 17% more expensive.

Cooling Capacity

The Whirlpool unit has a higher cooling capacity at 15,000 BTUs, making it suitable for rooms up to 700 square feet. In contrast, the Antarctic Star's 12,000 BTU rating allows it to effectively cool spaces up to 550 square feet. This means that if you're dealing with larger areas, the Whirlpool might be the better choice due to its greater cooling power.

Noise Levels

In terms of noise levels, the Antarctic Star operates at a whisper-quiet 45 dB, providing a serene environment ideal for sleeping or working. The Whirlpool model, while still quiet, has a mute mode that can lower the noise to 43 dB. Although both units are designed for quiet operation, the difference is minimal, and users may find either suitable for noise-sensitive environments.

Energy Efficiency

Energy efficiency is a notable feature of both air conditioners. The Whirlpool unit utilizes inverter technology, which optimizes motor speed to eliminate wasted energy, enhancing overall efficiency. The Antarctic Star also boasts eco-friendly performance, designed to cut down on utility bills. However, specific energy consumption data is not available for either unit, making it difficult to quantify their efficiency differences directly.

Additional Features

Both models come with versatile features, but they cater to different user preferences. The Antarctic Star’s 3-in-1 climate control offers a high-performance air conditioner, dehumidifier, and fan, along with a 24-hour timer and customizable sleep modes. The Whirlpool unit also features a 3-in-1 cooling system, along with a programmable 24-hour timer and sleep mode, but it includes a clean filter alert, which adds convenience in maintaining the unit. This means users who prioritize ease of maintenance may prefer the Whirlpool option.

Installation Process

The installation process for the Antarctic Star is designed to be hassle-free, coming with a comprehensive kit that includes a dedicated support bracket. This is especially useful for those who may not have handyman skills. The Whirlpool model is similarly designed for easy installation, but specific details about its installation kit are not provided, making it less clear how it compares in this area.

Maintenance

In terms of maintenance, both air conditioners feature washable filters, allowing users to easily keep the units running efficiently. The Whirlpool model includes a convenient clean filter alert, which notifies users when it’s time to clean the filter. This added feature could be a deciding factor for those looking for a low-effort maintenance solution.

Brand Reputation and Sales Rank

Brand reputation can influence purchasing decisions, and both brands are well-established. The Antarctic Star unit has a sales rank of 340,517, while the Whirlpool model ranks at 313,370, indicating a slightly better performance in terms of customer interest. This might suggest that users are more inclined to trust the Whirlpool brand for window-mounted air conditioners.

Which should you buy?

Ultimately, the decision between the Antarctic Star 12,000 BTU U-Shaped Window Air Conditioner and the Whirlpool 15,000 BTU Window Mounted Inverter Air Conditioner hinges on your specific needs. If you require a more powerful unit capable of cooling larger spaces and value features like the clean filter alert, the Whirlpool is worth the additional $162.01. However, if you are looking for a quieter option with a solid performance for smaller rooms, the Antarctic Star presents a compelling case at a lower price point. Consider your space requirements, budget, and desired features carefully before making your choice.