Della 28K BTU 3 Zone Mini Split Review: Specs, Pros and Cons
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In this della 28k btu 3 zone mini split review, we look at a system designed for multi-room comfort. This unit pairs a single outdoor condenser with three indoor air handlers: one 9,000 BTU and two 12,000 BTU units. The listing highlights a 22 SEER2 efficiency rating and DC Inverter technology, which suggests significant power savings. It also includes 16ft installation kits for each zone. You get independent control for each room, allowing you to adjust temperatures based on occupancy. This setup targets homes needing flexible climate management across different areas without running separate systems.
What stands out
- 22 SEER2 efficiency rating for lower energy usage
- Tri-zone configuration with 9K, 12K, and 12K indoor units
- WiFi connectivity for smartphone app control
- Heating operation down to -13°F outdoor temperature
- Pre-charged R-32 refrigerant with included 16ft line sets
Who it fits
Good fit for
This system suits homeowners with open-concept layouts or separate rooms totaling up to 1,500 square feet. You will appreciate the independent zone control if you have a bedroom, office, and living area that require different temperatures. The 22 SEER2 rating makes it a strong choice for energy-conscious buyers. It is also ideal for those in colder climates needing reliable heat pump performance down to -13°F. The included 16ft kits simplify installation for standard wall placements.
Who should skip it
You should look elsewhere if you need self-cleaning features, as the data notes this function does not operate despite appearing on the display. Avoid this model if you require a single-zone setup, as the tri-zone design is too complex and costly for one room. It is also unsuitable for spaces exceeding 1,500 square feet, as the 28,000 BTU total capacity may struggle to maintain comfort. Additionally, professional installation is mandatory, so DIYers should consider simpler units.
Verdict: The Della 28K BTU Tri Zone Mini Split offers flexible, efficient cooling and heating for multi-room homes. Its high SEER2 rating and independent zone control make it a practical choice for varied living spaces.
Key specs explained
22 SEER2 Efficiency Rating
This rating measures how efficiently the unit cools your space per unit of electricity used. A higher number means lower energy bills. You get up to 40% power savings compared to older models. This spec helps you compare operating costs against other mini splits. It indicates the system uses DC Inverter technology to adjust compressor speed, maintaining steady temperatures without wasting energy on full blasts.
28,000 BTU/h Cooling Capacity
This value indicates the total cooling power of the entire system. It is designed to cover up to 1,500 square feet of living space. You can use this figure to ensure the unit matches your home size. If your area is larger, you may need more capacity. If it is smaller, the unit might cycle too frequently. This total capacity is split among the three indoor units for balanced performance.
3 Zone Configuration
This setup includes one outdoor condenser connected to three separate indoor air handlers. You can control the temperature in each room independently. This allows you to cool occupied rooms while leaving others off. It saves energy by not conditioning empty spaces. This configuration is ideal for multi-story homes or open layouts where different areas have varying heat loads and usage patterns.
WiFi Smartphone App
This feature allows you to control the system remotely from your phone. You can adjust settings, change modes, or turn the unit on or off from anywhere. It supports intelligent modes like Eco and I Feel for precise comfort. This connectivity lets you manage climate control without needing to be near the physical remote. It adds convenience for busy households who want to optimize energy use while away from home.
Heat Pump with -13℉ Heating
This indicates the unit provides both cooling and heating. It remains effective in outdoor temperatures as low as -13℉. You get year-round comfort without needing a separate heater. This capability is crucial for colder climates. It ensures reliable performance even during winter freezes. When shopping, check this minimum operating temperature to ensure the unit suits your local weather conditions and heating needs.
Design and build specs
The outdoor condenser measures 31.9 inches wide, 12.1 inches high, and 7.48 inches deep. It weighs 18.7 pounds. The listing describes the finish as white with a line set. These dimensions allow the unit to fit in standard outdoor spaces without dominating the area. The compact footprint simplifies placement on patios or along side walls. The white finish blends with most exterior siding, keeping the visual impact low.
Indoor units are not listed with specific dimensions in the provided data, but the system includes three separate air handlers. One unit provides 9,000 BTU, while two others deliver 12,000 BTU each. This configuration targets specific rooms rather than cooling a single open space. Each indoor unit operates independently, allowing you to set different temperatures for bedrooms, offices, or living areas. This layout reduces energy waste by conditioning only occupied rooms.
Control options include individual remotes for each indoor unit and WiFi connectivity via a smartphone app. The app enables remote adjustments, so you can change settings before arriving home. The system also features intelligent modes like "I Feel" and 4D airflow for precise temperature management. Installation requires professional setup, including vacuuming and refrigerant balancing, to ensure long-term durability and proper performance. The package includes 16-foot copper pipes for standard connections.
Setup and everyday use guide
Professional installation is required for this system. The package includes three sets of 16-foot copper pipes with standard 1/4-inch and 3/8-inch outer diameters. The outdoor unit comes pre-charged with R-32 refrigerant, which simplifies the initial setup. However, you must still have a technician perform proper vacuuming and balance the refrigerant lines. This step is critical for long-term durability and optimal performance. The maximum fuse size is 25 amps, so your electrical panel must support this load.
Once installed, you control each zone independently. The system includes three indoor units and three separate remote controllers. You can set different temperatures for each room, which helps you avoid conditioning unused spaces. This targeted approach supports the claimed energy savings. The outdoor condenser handles the heating and cooling for all three zones simultaneously.
For daily operation, the unit offers WiFi connectivity. You can manage settings through a smartphone app, allowing you to adjust the climate from anywhere. The display includes modes like "I Feel," Eco, and 4D airflow. Note that while the self-cleaning button appears on the interface, the actual self-cleaning operation does not run. The system operates quietly, with noise levels as low as 28 decibels. This low sound level ensures it does not disturb your sleep or daily activities.
Before You Buy This Unit
Before you buy this system, confirm your electrical panel can handle the 25A maximum fuse size. You will need a licensed HVAC professional to vacuum the lines and balance the refrigerant charge. This step is critical for long-term durability and proper performance. The unit includes 16-foot line sets, but you must verify these reach all three indoor locations. If your rooms are spread out, you may need to purchase longer copper tubing or extension kits separately. The outdoor unit is pre-charged with R-32 refrigerant, so you do not need to worry about initial gas levels. However, the indoor units require independent mounting in each zone. Check that your walls can support the weight of the 9,000 and 12,000 BTU handlers. This model fits well if you need independent control for a bedroom, office, and living area. It complements other options by offering tri-zone flexibility without requiring three separate outdoor condensers.
Check before you buy
- Verify your electrical panel supports a 25A maximum fuse size.
- Confirm 16-foot line sets reach all three indoor locations.
- Ensure walls can support the weight of indoor handlers.
- Hire a licensed professional for vacuuming and refrigerant balance.
- Check if you need longer tubing for spread-out rooms.
The product at a glance
DELLA 28K BTU Tri Zone Mini Split
Best for: Multi-zone cooling and heating with smart app control
- Cooling Capacity
- 28,000 BTU/h
- Efficiency Rating
- 22 SEER2
- Coverage Area
- up to 1500 Sq.Ft
- Number of Zones
- 3 Zone
- Heat Pump
- Heat Pump
- Smart Connectivity
- WiFi, Smartphone App
View on Amazon: DELLA 28K BTU Tri Zone Mini Split Affiliate link
This Della 28,000 BTU 3-zone mini split uses 22 SEER2 efficiency and DC inverter technology to cool up to 1,500 square feet. It includes one 9,000 BTU and two 12,000 BTU indoor units with independent remote control. The system features WiFi app connectivity and operates as low as 28dB. It provides reliable heating down to -13°F and comes with three 16ft installation kits for professional setup.
Pros
- 22 SEER2 efficiency rating for up to 40% power savings
- WiFi connectivity with smartphone app control
- Quiet operation as low as 28dB
- Heating performance down to -13°F
Cons
- Self-cleaning function does not perform operation despite display option
- Requires professional installation for proper vacuuming and refrigerant balance
- Maximum fuse size limited to 25A
Good fit if
- You need to control three separate rooms independently
- You want smart app control for remote adjustments
- You require heating in cold climates down to -13°F
Skip if
- You prefer a self-cleaning function that actually works
- You need a system that does not require professional installation
- You want a single-zone unit for one room
Verdict: Della 28K BTU 3 Zone Mini Split suits those needing independent climate control for three rooms with smart app features and reliable cold-weather heating. It is a practical solution for multi-zone efficiency.
Specifications side by side
| Spec | DELLA 28K BTU Tri Zone Mini Split |
|---|---|
| Cooling Capacity | 28,000 BTU/h |
| Efficiency Rating | 22 SEER2 |
| Coverage Area | up to 1500 Sq.Ft |
| Number of Zones | 3 Zone |
| Heat Pump | Heat Pump |
| Smart Connectivity | WiFi, Smartphone App |
| Dimensions | 7.48 × 31.9 × 12.1 inches |
| Weight | 18.7 pounds |
| Size | 3 Zone 28000 BTU 9+12+12 |
| Color | White with Line set |
| Model | 1D3-TC+T91212 |
Frequently asked questions
How does the 22 SEER2 rating affect my energy bills?
A 22 SEER2 rating indicates high cooling efficiency, meaning the unit uses less electricity to produce the same amount of cooling compared to lower-rated models. This spec helps you estimate lower monthly power costs over time. You get up to 40% power savings compared to older, less efficient systems.
What is the total cooling capacity of this tri-zone system?
The system provides a total of 28,000 BTUs of cooling power. This capacity is distributed across three indoor air handlers: one 9,000 BTU unit and two 12,000 BTU units. This configuration allows you to cool three separate rooms simultaneously with a single outdoor condenser.
Can I control the mini split using my smartphone?
Yes, this model supports smart app control. You can manage the temperature and settings for all three zones from your mobile device. This feature allows you to adjust the climate for each room independently, ensuring personalized comfort without needing to access the physical remotes.
How much space does the outdoor unit require?
The outdoor condenser measures 31.9 inches wide, 12.1 inches high, and 7.48 inches deep. It weighs 18.7 pounds. These dimensions allow the unit to fit in standard outdoor spaces, such as balconies or side yards, without requiring excessive clearance or specialized mounting structures.
Does this unit work well in cold weather?
Yes, the system includes reliable cold-weather heating capabilities. It is designed to provide consistent warmth even during lower outdoor temperatures. This makes it a practical solution for year-round comfort, allowing you to heat your home efficiently without relying on auxiliary heating sources.
What refrigerant does the Della 28K use?
The outdoor unit comes pre-charged with R-32 refrigerant. This modern refrigerant is more environmentally friendly than older types and offers better energy efficiency. The pre-charged nature simplifies the initial installation process for your HVAC professional, ensuring the system starts with the correct charge.