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This della 18k btu 2 zone review covers the DELLA 18KM+D912_1 mini split system. It pairs a 9,000 BTU indoor unit with a 12,000 BTU unit for a combined 18,000 BTU capacity. The system operates on 230V power and carries a 22 SEER2 rating. It is an Energy Star certified heat pump with inverter technology. The unit includes a 16.4ft installation kit with copper pipes. You get professional installation support, as this is not a DIY project. The design won a Red Dot Award. It supports R32 refrigerant and includes both app and remote control options.
- 22 SEER2 energy efficiency rating for reduced power usage
- Heating operation down to -13°F with bottom heating element
- 230V electrical requirement for the 1.5-ton system
- Alexa and Google Home voice control compatibility
- Geo-location feature to optimize comfort based on your position
Good fit for
This system suits homeowners or business owners with two distinct zones, such as a bedroom and a living area. The 9,000 and 12,000 BTU split handles spaces up to 950 square feet. You will appreciate the 230V power connection if your home has the proper outlet. The heat pump function works well in colder climates, thanks to the low-temperature heating capability. If you want smart home integration via the DELLA app or voice assistants, this model fits your setup. The included installation kit simplifies the professional mounting process.
Who can skip it
Skip this option if you only need to cool one room, as this is a dual-zone system. You cannot use it if your home only has 115V outlets, since it requires 230V power. DIY installers should look elsewhere because the listing mandates professional installation and line-set vacuuming. If you want self-cleaning functions, note that the display shows the option, but the operation does not perform. Those needing a single-zone unit should check the other variations available.
Verdict
This dual-zone mini split offers strong efficiency and smart features for two-room climate control. It is best for users with 230V power who want professional-grade heating and cooling.
Key specs explained
22 SEER2
This rating measures cooling efficiency. A 22 SEER2 value indicates high energy performance for the 18,000 BTU system. You will likely see lower electricity bills compared to units with lower ratings. This standard applies to modern mini splits. Higher numbers mean less power is needed to produce the same amount of cooling. It helps you compare long-term operating costs against other efficient models.
2 Zone – 18000 BTU 9+12
This configuration splits the total 18,000 BTU capacity into two separate indoor units. One unit provides 9,000 BTU and the other provides 12,000 BTU. You can cool two different rooms independently. This setup suits homes where rooms have different heat loads. It offers more targeted comfort than a single large unit. Check if this split matches the size of your specific rooms.
230V
The system requires a 230-volt electrical connection. This is standard for most mini split installations. You must ensure your home has the correct outlet or circuit breaker for this voltage. Standard 110V outlets will not work. Professional installation is mandatory to wire this safely. Verify your electrical panel capacity before purchasing to avoid incompatible hardware or unsafe setups.
16.4ft Installation Kit
The package includes copper pipes totaling 16.4 feet. This length covers the distance between the indoor and outdoor units for most standard setups. If your rooms are farther apart, you may need to buy extra line sets. Longer lines require adjusting the refrigerant charge. This included kit simplifies the initial purchase. Measure your installation path to ensure this length is sufficient for your layout.
Design and build details
The indoor units measure 30.2 inches wide, 11.8 inches high, and 7.87 inches deep. They weigh 16.5 pounds each. This compact footprint allows you to mount them high on a wall without taking up significant floor space. The finish is white, which blends into most residential or commercial interiors. The listing notes that the system includes a white line set, simplifying the visual look of the installation piping. You can choose a version without the line set if you prefer to source your own materials.
The outdoor unit is not dimensioned in the data, but the indoor units are designed for straightforward wall mounting. You control the climate using the included remote or the DELLA app. The app offers geo-location features, allowing the system to adjust settings based on your position. You also have access to voice control through Alexa or Google Home. This layout gives you multiple ways to manage the temperature without needing to be near the unit.
According to the listing, the design prioritizes efficiency and ease of use. The 4D airflow capability lets you direct air up, down, left, and right. This feature helps you distribute conditioned air evenly across the room. The system also includes a sleep mode and energy-saving mode. These options let you tailor the operation to your daily routine. The reusable filters are easy to access for seasonal cleaning, keeping the unit running smoothly. The overall build aims to provide reliable performance with minimal maintenance effort.
Setup and everyday use details
Installation requires professional handling. The system includes a 16.4-foot installation kit with standard 1/4-inch and 3/8-inch copper pipes. A 78.7-inch drain pipe is also provided. You must vacuum the line-set during setup. If you alter the line-set length, you must adjust the freon levels. The unit comes pre-loaded with R32 refrigerant. It mandates professional installation and is not a DIY project. The maximum fuse size is 20A.
Daily operation is controlled via the DELLA app or the included remote control. The system supports voice control through Alexa and Google Home. You can adjust settings from anywhere using the app. An exclusive geo-location feature optimizes comfort. It adjusts the temperature based on your location. This saves energy when you are away and ensures the right climate when you arrive home.
The indoor units offer 4D airflow, allowing adjustment up, down, left, and right. You can select from multiple fan speeds, turbo function, and various modes including heating, cooling, dry, and auto. A 24-hour timer and sleep mode are available. The I Feel mode adjusts based on the remote’s location. Maintenance involves cleaning the reusable filters seasonally. Note that this model does not support the self-cleaning function. Pressing the button shows an option on the display, but the operation does not perform.
Before You Buy This Mini Split
Before you buy, verify your electrical panel can support 230V circuits and a 20A maximum fuse. The system includes a 16.4-foot line-set kit, but you must check if your home’s layout fits this length. If your walls are thicker or the units are farther apart, you will need to extend the copper pipes. Any alteration to the line-set length requires adjusting the freon levels, which mandates professional service. The outdoor unit features a bottom heating element to prevent ice buildup, ensuring reliable performance down to -13°F. You should also confirm that your smart home ecosystem supports Alexa or Google Home for voice control. The app offers geo-location features, but you must ensure your Wi-Fi signal reaches the indoor units. Maintenance is simple, requiring only seasonal cleaning of the reusable filters. This model lacks a self-cleaning function, so manual care is necessary. Consider this system alongside other 1 options in Air Conditioners & Heaters, noting its specific zone configuration and energy efficiency rating.
Check before you buy
- Confirm 230V electrical capacity and 20A fuse availability
- Check if 16.4-foot line-set kit fits your layout
- Verify Wi-Fi signal strength for app and voice control
- Ensure professional installation for line-set adjustments
- Plan for manual filter cleaning without self-clean function
DELLA 18K BTU 2 Zone Mini Split
Best for: Cooling two rooms with high efficiency
- Cooling Capacity
- 18000 BTU
- Coverage Area
- Up to 950 sq ft
- SEER2 Rating
- 22 SEER2
- Voltage
- 230V
- Number of Zones
- 2 zone
- Smart Compatibility
- Alexa, Google Home, Wi-Fi, remote
This 2-zone mini split delivers 18,000 total BTUs across two indoor units, rated at 22 SEER2 for efficient cooling and heating. It operates on 230V and includes a 16.4ft installation kit with R32 refrigerant. The system supports smart controls via app or voice assistant and functions in temperatures down to -13°F. You get 4D airflow and multiple modes for versatile comfort in spaces up to 950 square feet.
- High 22 SEER2 energy efficiency rating
- Heating performance down to -13°F
- Smart app and voice assistant control
- Includes 16.4ft copper pipe installation kit
- 4D airflow direction for even distribution
- Self-cleaning function is disabled on this model
- Requires professional installation and line-set vacuuming
- Maximum fuse size limited to 20A
- You need to cool two separate rooms simultaneously
- You want a high SEER2 rating for energy savings
- You need heating capability in cold climates
- You prefer a DIY installation without professional help
- You require a self-cleaning function on the indoor unit
- Your electrical setup cannot support a 20A fuse
Verdict: DELLA 18K BTU 2 Zone Mini Split offers solid dual-zone cooling and heating with high efficiency. It fits homes needing precise temperature control for two distinct areas without complex smart features.
Specifications side by side
| Spec | DELLA 18K BTU 2 Zone Mini Split |
|---|---|
| Cooling Capacity | 18000 BTU |
| Coverage Area | Up to 950 sq ft |
| SEER2 Rating | 22 SEER2 |
| Voltage | 230V |
| Number of Zones | 2 zone |
| Smart Compatibility | Alexa, Google Home, Wi-Fi, remote |
| Operating Modes | Heating, cooling, dry, auto |
| Features | Inverter |
| Control Method | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control |
| Operating Mode | Heater |
| Dimensions | 7.87 × 30.2 × 11.8 inches |
| Weight | 16.5 pounds |
| Size | 2 Zone – 18000 BTU 9+12 |
| Color | White with Line set |
| Model | 18KM+D912_1 |
Frequently asked questions
Can this mini split cool two separate rooms at the same time?
Yes, the DELLA 18K BTU 2 Zone Mini Split is designed for dual-zone operation. It pairs a 9,000 BTU indoor unit with a 12,000 BTU unit. This setup allows you to control the temperature in two distinct areas independently. The combined 18,000 BTU capacity provides solid cooling power for both spaces simultaneously.
What are the physical dimensions of the indoor units?
Each indoor unit measures 30.2 inches wide, 11.8 inches high, and 7.87 inches deep. They weigh 16.5 pounds each. This compact footprint allows you to mount them high on a wall without taking up significant floor space. The white finish helps them blend into most room decors.
Does this system require a special electrical connection?
Yes, the system operates on 230V power. You must verify that your electrical panel can support 230V circuits. A 20A maximum fuse is required for safe operation. This specific voltage ensures the 22 SEER2 rating is maintained, providing high energy performance for your home.
What is included in the installation kit?
The system includes a 16.4-foot installation kit with standard 1/4-inch and 3/8-inch copper pipes. A 78.7-inch drain pipe is also provided. These components are essential for connecting the indoor and outdoor units. You must vacuum the line-set during setup to ensure proper system function.
Is this unit suitable for large open spaces?
The 18,000 BTU total capacity is best for two distinct rooms rather than one massive open area. The split design offers precise temperature control for two separate zones. If you need to cool a single large room, a single high-capacity unit might be more efficient. This model focuses on dual-zone efficiency.
What model number should I look for when ordering parts?
The specific model number for this system is 18KM+D912_1. You can use this identifier to find compatible accessories or replacement parts. The color option is white with a line set. Keeping this model number handy ensures you order the correct components for your specific setup.