DELLA 5000 BTU Smart Window Air Conditioner, Works vs MilleLoom Smart 6000 BTU Window Air Conditioner with WiFi,
Updated July 2026 — full head-to-head comparison.
Price Comparison
When it comes to price, the Smart 6000 BTU Window Air Conditioner is significantly more affordable than the DELL 5000 BTU Smart Window Air Conditioner. Priced at $170.99, it is about 26% cheaper than the DELL model, which retails for $229.96. This price difference may appeal to budget-conscious consumers looking for effective cooling solutions without compromising on features. The lower cost of the Smart 6000 BTU model makes it an attractive option for those who need a dependable air conditioner for larger spaces.
Cooling Capacity
The cooling capacity is a crucial factor when selecting an air conditioner for your needs. The Smart 6000 BTU Window Air Conditioner can effectively cool rooms up to 350 square feet, while the DELL 5000 BTU model is suitable for spaces up to 150 square feet. This means that the Smart 6000 BTU unit offers more than double the cooling coverage, making it ideal for larger rooms such as living areas or open-plan spaces. If you have a bigger area to cool, the Smart 6000 BTU model stands out as the better choice.
Smart Features
Both air conditioners offer smart features, but the DELL 5000 BTU model edges ahead with its compatibility with Alexa. This allows for easy voice control, enhancing convenience in managing temperature settings. Although the Smart 6000 BTU unit is also WiFi-enabled and can be controlled via the Smarthq application, it does not specifically mention voice control compatibility. If integrated smart home functionality is a priority, the DELL model may be more appealing.
Noise Levels
Noise levels are important for maintaining a comfortable environment, particularly in bedrooms or quiet spaces. The Smart 6000 BTU Window Air Conditioner operates at a sound level as low as 50 dB, which is quite quiet. On the other hand, the DELL 5000 BTU unit operates at sound levels starting from 51 dB. While the difference is slight, the Smart 6000 BTU model edges out in terms of quieter operation, potentially providing a more peaceful cooling experience.
Energy Efficiency
Energy efficiency is a vital consideration for those looking to reduce electricity costs. The DELL 5000 BTU model boasts a Combined Energy Efficiency Ratio (CEER) of 11.0, which translates to approximately 29% more energy savings compared to traditional models. Although the Smart 6000 BTU model does not specify its CEER, it positions itself as a smart air conditioner designed to be energy-efficient. If saving on energy bills is a priority, the DELL model’s higher efficiency rating may make it the better option.
Installation Process
Both air conditioners are designed for easy installation, but the DELL 5000 BTU model emphasizes a straightforward setup process. It fits windows ranging from 23 to 34 inches wide and can be installed with minimal hassle due to its compact size and pre-assembled side panels. The Smart 6000 BTU model also offers an easy installation with an included quick-snap bracket. However, the DELL model’s user-friendly features and reduced weight of 36.4 lbs may give it an edge for ease of installation, especially for those less experienced with such tasks.
Maintenance
Maintenance is essential for keeping air conditioners performing optimally. The Smart 6000 BTU model features a slide-out filter that allows for easy cleaning without disassembling the unit, promoting efficient operation. Similarly, the DELL 5000 BTU model includes a washable and reusable air filter that can be easily removed for cleaning. Both models prioritize user convenience in maintenance; however, the Smart 6000 BTU model’s design may offer a slightly more straightforward approach in this area.
Which should you buy?
Choosing between the DELL 5000 BTU Smart Window Air Conditioner and the Smart 6000 BTU Window Air Conditioner ultimately depends on your specific needs. If you’re looking for a budget-friendly option with a larger cooling capacity, the Smart 6000 BTU model is the clear winner at $170.99. However, if you value smart home integration with Alexa and a higher energy efficiency rating, the DELL 5000 BTU model’s features may justify the higher price of $229.96. Consider your room size, desired features, and budget to make the best decision for your cooling needs.

