BLACK+DECKER Window Air Conditioner 12000 BTU, AC vs DELLA 5000 BTU Smart Window Air Conditioner, Works
Updated July 2026 — BLACK+DECKER Window Air Conditioner 12000 BTU, AC wins on price and cooling btu, DELLA 5000 BTU Smart Window Air Conditioner, Works wins on efficiency.
The BLACK+DECKER Window Air Conditioner is ideal for larger spaces with powerful cooling, while the DELL A offers smart features at a lower price for smaller areas.
Why BLACK+DECKER Window Air Conditioner 12000 BTU, AC is better
Cooling Power
12,000 BTU vs 5,000 BTU
Room Coverage
Cools up to 550 sq ft vs 150 sq ft
Remote Control
More robust remote control experience
Why DELLA 5000 BTU Smart Window Air Conditioner, Works is better
Price
$229.96 vs $349.99
Smart Features
Works with Alexa and WiFi
Noise Level
Operates at 51 dB for quiet cooling
Overall score
Specifications
| Spec | BLACK+DECKER Window Air Conditioner 12000 BTU, AC | DELLA 5000 BTU Smart Window Air Conditioner, Works |
|---|---|---|
| Brand | BLACK+DECKER | Della |
| Cooling Modes | 4 | 4 |
| Remote Control | Yes | Yes |
| Energy Efficiency | R32 | CEER 11.0 |
| Installation | Easy | Easy |
Dimension comparison
Overview of the BLACK+DECKER Window Air Conditioner
The BLACK+DECKER Window Air Conditioner offers powerful cooling capabilities with a capacity of 12,000 BTU, making it suitable for larger spaces up to 550 square feet. Retailing at $349.99, this unit is designed to keep your home comfortable during the hottest months. It features four cooling levels, including auto, low, medium, and high, ensuring effective temperature control for various room sizes.
This unit also comes equipped with a full-function remote control, allowing users to adjust settings from a distance. Additional features include energy efficiency measures, such as using R32 refrigerant, which has zero impact on the ozone layer. The BLACK+DECKER model's sales rank is 52,698, indicating its popularity among consumers.
Overview of the DELL A 5000 BTU Smart Window Air Conditioner
The DELL A 5000 BTU Smart Window Air Conditioner is a compact option designed for smaller spaces, cooling rooms up to 150 square feet. Priced at $229.96, it is about 17% cheaper than the BLACK+DECKER model. The Della unit stands out with its smart features, including compatibility with Alexa and WiFi, which allow for voice control and remote operation.
This model is also energy-efficient, boasting a Combined Energy Efficiency Ratio (CEER) of 11.0, which offers a 29% improvement in energy savings compared to traditional air conditioners. The DELL A has a sales rank of 232,069, suggesting it appeals to a different segment of the market, particularly those looking for smart technology in their cooling solutions.
Cooling Efficiency Comparison
When it comes to cooling efficiency, the BLACK+DECKER unit excels with its higher BTU rating of 12,000 compared to the DELL A's 5,000 BTU. This significant difference means that the BLACK+DECKER can effectively cool larger areas, making it ideal for living rooms, master bedrooms, and office spaces. In contrast, the DELL A is better suited for small rooms or personal spaces, which may limit its versatility.
Both units feature multiple cooling modes, but the BLACK+DECKER offers four levels of cooling, while the DELL A includes four operating modes (Auto, Cool, Fan, and Dry). The BLACK+DECKER's ability to cover a greater area makes it a more powerful choice for those needing extensive cooling capabilities.
Installation and Usability
In terms of installation, both units are designed for user-friendliness. The BLACK+DECKER features accordion-style side panels that fit standard double-hung windows, while the DELL A boasts a compact design that fits windows ranging from 23" to 34" wide. The DELL A is lighter, weighing only 36.4 lbs, which could make installation easier for some users.
However, the BLACK+DECKER offers a more robust remote control experience, allowing for adjustments from across the room. The DELL A also includes a remote but emphasizes smart features through the Della+ app, appealing to tech-savvy consumers who appreciate voice control and remote access.
Energy Efficiency and Cost of Operation
Energy efficiency is a strong point for both air conditioners, but they approach it differently. The BLACK+DECKER uses R32 refrigerant, contributing to reduced energy costs and a minimal environmental impact. The DELL A, on the other hand, features a CEER of 11.0, indicating its ability to save energy effectively.
While the BLACK+DECKER is slightly more expensive upfront, its higher capacity could lead to lower energy costs in larger spaces, as it cools more efficiently. The DELL A's energy-saving attributes make it an attractive option for smaller areas where high efficiency is needed without excessive energy usage.
Noise Levels and Comfort
Noise levels can significantly affect comfort when using air conditioners. The DELL A operates at sound levels as low as 51 dB, which is ideal for quiet environments like bedrooms or home offices. The BLACK+DECKER does not specify its noise levels, but larger units typically generate more sound, particularly at higher cooling settings.
For users who prioritize a quiet operation, the DELL A may be the better choice. However, if cooling power is more critical, the BLACK+DECKER’s potentially higher noise levels may be an acceptable trade-off to achieve optimal comfort in larger spaces.
Smart Features and Technology
Smart technology is a major selling point of the DELL A, which works seamlessly with Alexa and includes the Della+ app for convenient remote operation. These features provide modern conveniences, especially for those who enjoy integrating smart devices into their homes.
In contrast, the BLACK+DECKER unit focuses on traditional functionality with a straightforward remote control. While it lacks smart features, it compensates with its powerful cooling capacity, making it suitable for users who prefer simplicity over connectivity.
Which should you buy?
Choosing between the BLACK+DECKER Window Air Conditioner and the DELL A 5000 BTU Smart Window Air Conditioner ultimately depends on your specific cooling needs and preferences. If you require a unit that can effectively cool larger spaces and prioritize traditional functionality, the BLACK+DECKER is a strong contender. However, if you are looking for an energy-efficient, smart option for a smaller area, the DELL A offers advanced technology at a more affordable price.

