BLACK+DECKER Window Air Conditioner 14000 BTU, AC vs MilleLoom Smart 6000 BTU Window Air Conditioner with WiFi,
Updated July 2026 — BLACK+DECKER Window Air Conditioner 14000 BTU, AC leads on sales rank and cooling area.
The BLACK+DECKER unit excels in cooling power and energy efficiency, while the Smart unit offers modern features at a lower price. Choose based on your space and budget needs.
Why BLACK+DECKER Window Air Conditioner 14000 BTU, AC is better
Cooling Power
BLACK+DECKER cools up to 700 sq ft vs Smart's 350 sq ft
Energy Efficiency
BLACK+DECKER has more advanced energy-saving features
Installation Flexibility
BLACK+DECKER fits a wider range of window sizes
Why MilleLoom Smart 6000 BTU Window Air Conditioner with WiFi, is better
Price
Smart is approximately 57% cheaper
Noise Level
Smart operates at a quieter 50 dB
Smart Features
Smart offers WiFi control and app integration
Overall score
Specifications
| Spec | BLACK+DECKER Window Air Conditioner 14000 BTU, AC | MilleLoom Smart 6000 BTU Window Air Conditioner with WiFi, |
|---|---|---|
| Cooling BTU | 14000 | 6000 |
| Control Type | Remote | WiFi & Remote |
| Fan Speeds | 3 | 3 |
| Sleep Mode | Yes | Yes |
| Installation Kit | Yes | Yes |
Dimension comparison
Overview of the Products
In this comparison, we have the BLACK+DECKER Window Air Conditioner 14000 BTU and the Smart 6000 BTU Window Air Conditioner with WiFi. The BLACK+DECKER unit is designed for larger spaces, cooling areas up to 700 square feet, while the Smart unit is suitable for smaller rooms, handling spaces up to 350 square feet. The price difference is significant: the BLACK+DECKER is priced at $399.99, while the Smart unit costs $170.99, making it about 57% cheaper.
Cooling Power Comparison
The BLACK+DECKER Window Air Conditioner boasts a powerful 14,000 BTU cooling capacity, ideal for larger rooms or open spaces. This unit can efficiently cool areas up to 700 square feet, making it a suitable choice for master bedrooms or small apartments. In contrast, the Smart 6000 BTU Window Air Conditioner is designed for smaller spaces, effectively cooling areas up to 350 square feet. Therefore, if you're looking to cool a larger area, the BLACK+DECKER is the clear winner in terms of cooling power.
Control Options
The BLACK+DECKER unit offers convenient control with electronic controls and a full-function remote. This makes it user-friendly and easy to adjust settings from a distance. On the other hand, the Smart unit shines with its WiFi capability, allowing users to control the air conditioner via the SmartHQ app. This feature enables remote operation and monitoring, which adds a modern twist to its usability. While both units offer remote control, the Smart unit's app functionality provides a level of convenience that the BLACK+DECKER does not.
Energy Efficiency Features
The BLACK+DECKER air conditioner is equipped with advanced energy-saving features, including a sleep mode, energy saver function, and timer/clock capabilities. These features help reduce energy use, making it an excellent option for eco-conscious users. Conversely, the Smart unit also emphasizes efficiency with its ultra-quiet operation and sleep mode that gradually increases temperature at night for better comfort. While both products prioritize energy efficiency, the BLACK+DECKER has a slight edge with its additional features aimed at reducing energy consumption.
Noise Levels
Noise levels are an important consideration when it comes to air conditioners. The Smart unit operates quietly, with sound levels as low as 50 dB, ensuring minimal disturbance while it cools your space. This makes it suitable for bedrooms or study areas where silence is preferred. The BLACK+DECKER unit does not specify its noise levels but is generally known to be louder due to its higher BTU output. If quiet operation is a priority for you, the Smart unit is likely the better choice.
Installation Process
Both air conditioners come with installation kits designed for easy setup. The BLACK+DECKER unit includes mounting hardware and fits windows from 26 to 36 inches wide, making it versatile for various window sizes. The Smart air conditioner also boasts an easy installation process with a quick-snap bracket and fits single-hung or double-hung windows. While both units are user-friendly, the specific installation dimensions of the BLACK+DECKER might be more accommodating for a wider range of window types.
Market Performance
In terms of market performance, the BLACK+DECKER unit has a sales rank of 207,598, while the Smart unit performs better with a sales rank of 75,738. This suggests that the Smart unit is more popular among consumers, possibly due to its lower price point and modern features like WiFi connectivity. If market performance is an indicator of customer satisfaction, the Smart unit may hold an advantage.
Which should you buy?
Choosing between the BLACK+DECKER Window Air Conditioner 14000 BTU and the Smart 6000 BTU Window Air Conditioner with WiFi ultimately depends on your specific needs. If you require powerful cooling for larger spaces and appreciate features like advanced energy-saving modes, the BLACK+DECKER is a solid choice despite its higher price of $399.99. However, if you're looking for a budget-friendly option for smaller rooms with modern conveniences like WiFi control, the Smart unit at $170.99 is approximately 57% cheaper and offers significant benefits for everyday use.

