LG 14000 BTU Window Air Conditioner Energy Saving vs Windmill Window Air Conditioner - Quiet & Smart,
Updated July 2026 — LG 14000 BTU Window Air Conditioner Energy Saving wins on cooling and efficiency, Windmill Window Air Conditioner - Quiet & Smart, wins on price and installation.
The LG air conditioner excels in cooling capacity and advanced features, while the Windmill offers a budget-friendly option for smaller spaces.
Why LG 14000 BTU Window Air Conditioner Energy Saving is better
Cooling Capacity
LG cools up to 700 sq ft vs Windmill's 150 sq ft
Energy Efficiency
LG has advanced energy-saving technology
Noise Levels
LG operates at 44dB vs Windmill's 51dB
Why Windmill Window Air Conditioner - Quiet & Smart, is better
Price
Windmill is $199 vs LG's $599
Installation
Windmill offers quick and easy setup
Size
Windmill is compact for small spaces
Overall score
Specifications
| Spec | LG 14000 BTU Window Air Conditioner Energy Saving | Windmill Window Air Conditioner - Quiet & Smart, |
|---|---|---|
| BTU | 14000 | 5000 |
| Price | $599.00 | $199.00 |
| Noise Level | 44dB | 51dB |
| Smart Features | Yes | Yes |
| Cooling Area | 700 sq ft | 150 sq ft |
Dimension comparison
Price Comparison
When it comes to price, the Windmill Window Air Conditioner is significantly more affordable than the LG model. The Windmill unit is priced at $199.00, while the LG unit is available for $599.00. This makes the Windmill about 67% cheaper than the LG, making it an attractive option for budget-conscious consumers. For those looking to cool a small space without breaking the bank, the Windmill offers a cost-effective solution. In contrast, the LG's higher price is reflective of its advanced features and greater cooling capacity, which can be worth the investment for larger spaces.
Cooling Capacity
The LG 14000 BTU Window Air Conditioner is designed for larger rooms, capable of cooling spaces up to 700 square feet. This makes it ideal for living rooms or open areas where effective cooling is essential. On the other hand, the Windmill unit, with a cooling capacity of 5,000 BTU, is suited for smaller spaces, up to 150 square feet, such as bedrooms or home offices. If you need to cool a larger area, the LG is the clear choice with its substantial capacity. However, for those in need of a unit for a small room, the Windmill is more than sufficient.
Energy Efficiency
The LG air conditioner boasts advanced energy-saving features, utilizing Dual Inverter technology that offers up to 35% more energy savings than the standard ENERGY STAR certification requirements. This means not only is the LG more powerful, but it also operates more efficiently, which can lead to lower electricity bills over time. Conversely, the Windmill model does not provide specific energy efficiency claims in its description, but with a cooling capacity of only 5,000 BTU, it is likely to consume less energy overall compared to larger units. For eco-conscious consumers, the LG provides a compelling case with its energy-saving technology.
Noise Levels
Noise levels can significantly impact your comfort, especially in a bedroom or office. The LG operates at sound levels as low as 44dB in sleep mode, making it one of the quieter options available. This feature, combined with its DUAL Inverter technology, ensures a peaceful environment. Meanwhile, the Windmill unit operates at a higher sound level of 51dB, which is comparable to light rainfall. While still relatively quiet, it may be slightly more noticeable in quiet settings. If noise level is a priority, the LG has a distinct advantage due to its quieter operation.
Smart Features
Both air conditioners come with smart features, but the LG unit offers a more comprehensive suite of options. It includes built-in Wi-Fi connectivity and is compatible with the LG ThinQ app, allowing users to control the air conditioner remotely from their smartphones. Additionally, it integrates seamlessly with voice command systems like Amazon Alexa and Google Assistant. The Windmill also provides app control and voice compatibility, but its features are not as extensive as those found in the LG. For tech-savvy consumers seeking advanced connectivity, the LG is the superior option.
Installation Process
The installation process varies between the two models, with the Windmill designed for quick and easy setup. It includes a complete installation kit suitable for standard windows and claims that setup can be accomplished in minutes. The LG, while also providing an installation kit, may require more time due to its larger size and features. The Windmill's straightforward installation makes it an excellent choice for those who want to avoid complex instructions and get cooling relief quickly.
Maintenance and Cleaning
Maintaining your air conditioner is crucial for optimal performance, and both models offer user-friendly features in this regard. The LG unit has a washable filter with a Clean Filter Alert, encouraging regular maintenance every 30 days to ensure efficient operation. The Windmill also features an easy-access washable filter, allowing for simple cleaning. While both air conditioners prioritize maintenance, the LG provides added features that can help keep track of filter cleanliness, making it slightly more user-friendly in the long run.
Which should you buy?
Choosing between the LG 14000 BTU Window Air Conditioner and the Windmill Window Air Conditioner ultimately depends on your specific needs and budget. If you're looking for a powerful unit that can efficiently cool larger spaces, offers advanced smart features, and operates quietly, the LG is the better choice, despite its higher price of $599.00. However, if you need a budget-friendly option for a small room and prefer a quick installation, the Windmill at $199.00 is a compelling alternative. Consider your space, budget, and desired features carefully to make the best decision for your cooling needs.

