6 Best Alternatives to the Della 28K BTU Dual Zone Mini Split (2026)
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The Della 28K BTU Dual Zone Mini Split offers 20 SEER2 efficiency and 28,000 total BTUs across two zones. It covers up to 1,550 square feet with a 12K and 18K indoor unit split. This setup provides strong cooling for larger spaces while maintaining quiet operation at 32 dBa. If you need these exact specs, this model remains a solid choice. However, you might seek della 28k btu dual zone mini split alternatives for different needs. Some buyers require tri-zone control for three separate rooms. Others may need higher capacity for extreme weather or smart voice integration with Alexa.
The alternatives listed here were chosen because their published specifications overlap with the original unit. Each option shares key traits like dual-zone capability or high SEER2 ratings. You will find models with varying voltage requirements, such as 230V or 208-230V. Some offer larger total BTUs for bigger areas, while others focus on smaller, more efficient zones. This list helps you compare features like smart control, refrigerant type, and physical dimensions. You can find a system that better fits your specific room layout and electrical setup without sacrificing performance.
How each alternative compares
ROVSUN 38000 BTU Dual Zone Mini Split
The ROVSUN 38K BTU Dual Zone Mini Split delivers significantly more cooling power with a total of 38,000 BTUs. It uses a 35K and 24K indoor unit configuration, which is ideal for large rooms that need serious capacity. However, the outdoor unit is much heavier at 222 pounds and larger in size. It shares the same 20 SEER2 efficiency rating as the Della model. You should choose this if you have larger spaces to cool and can support the heavier equipment. It gives up the Della’s lighter footprint for raw performance.
DELLA Vita 36,000 BTU 20 SEER2
The Della Vita 36,000 BTU unit is a single-zone solution, unlike the dual-zone setup of the original. It provides 36,000 BTUs of cooling for one large room rather than splitting capacity between two spaces. It maintains the 20 SEER2 efficiency rating and operates on 230V power. A key difference is its smart control capabilities, including Wi-Fi and Alexa integration, which the original data does not explicitly confirm for this specific model. Pick this if you need to cool one large area with voice control rather than managing two separate rooms with independent zones.
DELLA 18K BTU Dual Zone Mini Split
The Della 18K BTU Dual Zone Mini Split is a smaller alternative with a 7K and 12K indoor unit split. It offers higher efficiency at 22 SEER2 compared to the original’s 20 SEER2. The total capacity is lower, making it suitable for smaller spaces rather than the 1,550 square feet covered by the 28K model. It includes smart control features for better connectivity. Choose this if you have smaller rooms and prioritize energy savings over raw cooling power. It gives up significant capacity to achieve better efficiency and lower energy consumption for modest spaces.
TOSOT 30k BTU 2-Zone Mini Split
The TOSOT 30K BTU 2-Zone Mini Split offers a higher efficiency rating of 21 SEER2 compared to the Della’s 20 SEER2. It provides 30,000 BTUs total with a 12K and 18K split, similar to the original. The outdoor unit is quite heavy at 263 pounds and larger in dimensions. It is designed for robust performance in extreme climates. Select this if you need slightly better efficiency and strong weather resilience for large dual-zone setups. It trades the Della’s lighter outdoor unit for a more durable build and higher SEER2 rating.
ROVSUN 28000 BTU Tri Zone Mini Split
The ROVSUN 28K BTU Tri Zone Mini Split manages three rooms instead of two. It uses a 9K, 12K, and 12K indoor unit configuration for varied capacities across three spaces. It shares the 20 SEER2 efficiency rating and operates on 230V power. It includes Wi-Fi smart control for remote management. Choose this if you need to control three separate areas with one outdoor compressor. It gives up the simpler two-zone setup for greater flexibility in room coverage. The outdoor unit is lighter than the TOSOT but heavier than the Della’s original model.
Senville Dual Zone 28000 BTU Mini Split
The Senville Dual Zone 28000 BTU Mini Split offers a similar total capacity of 28,000 BTUs with a 12K and 12K indoor unit split. It is designed for homes with 208–230V power. A key difference is its focus on smart app control and independent room temperature management. The outdoor unit dimensions are different, with a narrower width but similar height. Pick this if you value smart app integration and reliable dual-zone comfort. It provides a comparable cooling capacity but may differ in specific smart features and physical footprint compared to the Della model.
Quick picks
Our 7 picks
Della 28K BTU Dual Zone Mini Split
Best for: two-room climate control with high efficiency
- Cooling Capacity
- 28,000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 208-230V
- Coverage Area
- Up to 1,550 sq ft
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
View on Amazon: Della 28K BTU Dual Zone Mini Split Affiliate link
This Della system offers 28,000 BTU of cooling across two zones, pairing a 12,000 BTU unit with an 18,000 BTU unit. It reaches 20 SEER2 efficiency and includes 16-foot installation kits. The heat pump works in temperatures down to -13°F. You get individual controls for each room and quiet operation at 32 dBa. It covers up to 1,550 square feet.
Pros
- High 20 SEER2 energy efficiency rating
- Includes 16-foot copper pipe kits
- Quiet 32 dBa indoor operation
- Heat pump functions down to -13°F
Cons
- Self-cleaning function does not operate
- Requires professional installation and line-set vacuuming
- Uses 208-230V instead of standard 115V
Good fit if
- You need separate temperature control for two rooms
- You want high energy efficiency with 20 SEER2
- You need a heat pump for cold climates
Skip if
- You prefer a standard 115V electrical outlet
- You want to perform the installation yourself
- You need a self-cleaning feature that works
Verdict: DELLA 28K BTU Dual Zone Mini Split suits you if you need efficient, quiet cooling for two separate spaces with professional installation. It delivers strong performance for larger areas but requires specific electrical and installation requirements.
ROVSUN 38000 BTU Dual Zone Mini Split
Best for: large rooms needing high cooling capacity
- Cooling Capacity
- 38000 BTU (24K/24K)
- Efficiency Rating
- 20 SEER2
- Voltage
- 208-230V
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
- Mounting Type
- Wall Mount
View on Amazon: ROVSUN 38000 BTU Dual Zone Mini Split Affiliate link
This ROVSUN unit offers 38,000 BTU of cooling across two 24,000 BTU zones. It carries a 20 SEER2 efficiency rating and includes a heat pump for year-round comfort. The system operates quietly between 34 and 51 dBA. It features four-direction wind swing and iFEEL mode for precise temperature management. The package includes two indoor units and two remote controllers for individual room control.
Pros
- High 38,000 BTU total cooling capacity
- 20 SEER2 energy efficiency rating
- Quiet operation from 34 to 51 dBA
- Includes two remote controllers for dual zones
Cons
- Heavy outdoor unit at 222 pounds
- Larger outdoor dimensions than standard 28K models
- Requires professional installation
Good fit if
- You need high cooling power for large rooms
- You want independent control for two zones
- You prefer quiet operation in living spaces
Skip if
- You have limited space for a heavy outdoor unit
- You are installing in a small single room
- You cannot hire a professional installer
Verdict: ROVSUN 38K BTU Dual Zone Mini Split suits you if you need serious cooling power for two large areas and can accommodate its heavy outdoor unit. It delivers strong performance with high efficiency.
DELLA Vita 36,000 BTU 20 SEER2
Best for: large single rooms needing strong cooling
- Cooling Capacity
- 36,000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 230V
- Coverage Area
- 2500 sq ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, Alexa, Google Assistant, App
View on Amazon: DELLA Vita 36,000 BTU 20 SEER2 Affiliate link
This Della Vita unit delivers 36,000 BTU of cooling power for spaces up to 2,500 square feet. It runs on 230V power and achieves a 20 SEER2 efficiency rating. The system includes Wi-Fi connectivity for Alexa and Google Assistant control. It also features an I Feel sensor for precise temperature reading at the remote. This model suits large rooms or open-plan areas needing strong, efficient climate control.
Pros
- 36,000 BTU capacity for up to 2,500 sq ft
- 20 SEER2 efficiency rating with DC inverter technology
- Alexa and Google Assistant smart home integration
- I Feel sensor adjusts based on remote location
- Operates quietly at 37 dB
Cons
- Requires 230V electrical connection
- Single-zone configuration only
- Professional installation is mandatory
Good fit if
- You need to cool a large single room
- You have existing 230V wiring available
- You want voice control via Alexa
Skip if
- You require a dual-zone system
- You only have 115V outlets
- You prefer a smaller 12,000 BTU unit
Verdict: Della Vita 36k BTU 230V Mini Split is a high-capacity single-zone solution for large spaces. It fits users who need strong cooling power and smart voice control in a single room.
DELLA 18K BTU Dual Zone Mini Split
Best for: smaller spaces needing high efficiency and smart control
- Cooling Capacity
- 18000 BTU/h
- Efficiency Rating
- 22 SEER2
- Voltage
- 230V
- Coverage Area
- up to 850 Sq.Ft
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
View on Amazon: DELLA 18K BTU Dual Zone Mini Split Affiliate link
This 18,000 BTU dual-zone heat pump delivers 22 SEER2 efficiency, making it one of the most energy-efficient options in this guide. It covers up to 850 square feet and includes smart features like Wi-Fi, Alexa, and Google Home support. The system operates on 230V and uses R32 refrigerant. It is a strong choice for smaller spaces where high efficiency and modern connectivity matter more than raw cooling power.
Pros
- 22 SEER2 efficiency rating for significant power savings
- Smart control via Wi-Fi, Alexa, and Google Home
- Operates reliably down to -13°F with bottom heating element
- Includes 16.4ft installation kit with copper pipes
Cons
- Lower 18,000 BTU capacity compared to 28,000 BTU alternatives
- Self-cleaning function is listed but does not perform any operation
- Requires professional installation and line-set vacuuming
Good fit if
- You need high energy efficiency (22 SEER2) for smaller rooms
- You want smart home integration with voice assistants
- You are installing in a climate with cold winters
Skip if
- You need to cool large spaces over 850 square feet
- You require higher cooling capacity than 18,000 BTU
- You want a self-cleaning function that actually works
Verdict: DELLA 18K BTU Dual Zone Mini Split offers top-tier efficiency and smart features for smaller areas, but its lower capacity and non-functional self-cleaning button make it less suitable for larger spaces or those seeking low-maintenance operation. It fits buyers prioritizing energy savings and connectivity over raw power.
TOSOT 30k BTU 2-Zone Mini Split
Best for: Extreme weather resilience and smart control
- Cooling Capacity
- 30,000 BTU
- Efficiency Rating
- 21 SEER2
- Voltage
- 230V
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
- Smart Connectivity
- WiFi, Gree+ app, voice control
View on Amazon: TOSOT 30k BTU 2-Zone Mini Split Affiliate link
The TOSOT Cosmo 30,000 BTU 2-Zone Mini Split offers 21 SEER2 efficiency for the D2 configuration. It pairs a 12,000 BTU indoor unit with an 18,000 BTU unit. The outdoor unit weighs 263 pounds and measures 37.9 inches long. You get individual temperature control in two spaces. The system operates from -22°F to 118°F. You can manage it via the Gree+ app.
Pros
- 21 SEER2 efficiency rating
- Operates in extreme weather from -22°F to 118°F
- Smart control via Gree+ app and voice commands
- Includes 16.4-foot copper pipe set
Cons
- Heavier outdoor unit at 263 pounds
- Larger outdoor dimensions than standard 28K units
- Does not include the power cord
Good fit if
- You need high efficiency in extreme temperatures
- You want smart app control
- You prefer a 12K+18K zone split
Skip if
- You have limited wall space for a bulky unit
- You need a power cord included
- You prefer a lighter outdoor unit
Verdict: TOSOT Cosmo 30K BTU 2-Zone Mini Split suits those needing robust performance in extreme climates. Its high SEER2 rating and smart features make it ideal for large dual-zone setups.
ROVSUN 28000 BTU Tri Zone Mini Split
Best for: three-room climate control with varied capacities
- Cooling Capacity
- 28,000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 208-230V
- Number of Zones
- 3 Zone
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, Alexa, App control
View on Amazon: ROVSUN 28000 BTU Tri Zone Mini Split Affiliate link
This ROVSUN system splits 28,000 BTU across three zones: one 9,000 BTU unit and two 12,000 BTU units. It reaches 20 SEER2 efficiency and includes Wi-Fi control via app or voice assistant. The outdoor condenser weighs 179 pounds and measures 38.5 inches wide. You get three indoor handlers, each with its own remote. This setup suits homes needing separate climate control for three distinct rooms without installing three separate systems.
Pros
- Tri-zone configuration with 9K, 12K, and 12K indoor units
- 20 SEER2 energy efficiency rating
- Wi-Fi connectivity for app and voice control
- Includes three separate remote controls
Cons
- Outdoor unit is heavy at 179 pounds
- Smallest indoor unit is only 9,000 BTU
- Requires professional HVAC installation
Good fit if
- You need independent temperature control for three separate rooms
- You want Wi-Fi management for your mini split
- You need a heat pump that works down to -4°F
Skip if
- You only need to cool or heat two rooms
- You prefer a single large capacity indoor unit
- You cannot support a 179-pound outdoor unit
Verdict: ROVSUN 28K BTU Tri Zone Mini Split offers a practical way to manage three rooms with one outdoor compressor. It fits buyers who need specific zone capacities rather than equal splits.
Senville Dual Zone 28000 BTU Mini Split
Best for: Dual-zone homes with 208-230V power
- Cooling Capacity
- 28000 BTU
- Voltage
- 208-230V
- Number of Zones
- Dual Zone
- Heat Pump
- Heat Pump
- Smart Connectivity
- Alexa, App control
- Mounting Type
- Wall Mount
View on Amazon: Senville Dual Zone 28000 BTU Mini Split Affiliate link
This Senville dual zone mini split delivers 28,000 BTU of cooling and heating across two rooms. It features a 208–230V voltage requirement and includes smart control compatibility with mobile apps and voice assistants. The system is Energy Star certified and AHRI listed. It suits you if you need independent temperature management for bedrooms or living areas. The white finish fits standard residential decor.
Pros
- 28,000 BTU dual zone cooling and heating capacity
- Smart control via mobile apps and voice assistants
- Energy Star certified with AHRI listing
- Independent temperature adjustment for each zone
Cons
- Requires 208–230V power, not standard 115V
- Lacks listed SEER2 rating in specifications
- Indoor unit width is 33.4 inches
Good fit if
- You need independent climate control for two rooms
- You have a 208–230V electrical supply available
- You want smart app and voice assistant integration
Skip if
- You require a standard 115V electrical connection
- You need a single zone configuration only
- You prioritize a specific SEER2 rating in specs
Verdict: Senville 28K BTU Dual Zone Mini Split offers reliable dual-zone comfort for homes with 208–230V power. It fits you best if you value smart app control and independent room temperature management.
Specifications side by side
| Spec | Della 28K BTU Dual Zone Mini Split | ROVSUN 38000 BTU Dual Zone Mini Split | DELLA Vita 36,000 BTU 20 SEER2 | DELLA 18K BTU Dual Zone Mini Split | TOSOT 30k BTU 2-Zone Mini Split | ROVSUN 28000 BTU Tri Zone Mini Split | Senville Dual Zone 28000 BTU Mini Split |
|---|---|---|---|---|---|---|---|
| Cooling Capacity | 28,000 BTU | 38000 BTU (24K/24K) | 36,000 BTU | 18000 BTU/h | 30,000 BTU | 28,000 BTU | 28000 BTU |
| Efficiency Rating | 20 SEER2 | 20 SEER2 | 20 SEER2 | 22 SEER2 | 21 SEER2 | 20 SEER2 | not stated |
| Voltage | 208-230V | 208-230V | 230V | 230V | 230V | 208-230V | 208-230V |
| Coverage Area | Up to 1,550 sq ft | not stated | 2500 sq ft | up to 850 Sq.Ft | not stated | not stated | not stated |
| Number of Zones | 2 Zone | 2 Zone | not stated | 2 Zone | 2 Zone | 3 Zone | Dual Zone |
| Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump |
| Smart Connectivity | Wi-Fi, Alexa | not stated | Wi-Fi, Alexa, Google Assistant, App | WiFi, Alexa, Google Home | WiFi, Gree+ app, voice control | Wi-Fi, Alexa, App control | Alexa, App control |
| Mounting Type | Wall Mount | Wall Mount | not stated | not stated | not stated | not stated | Wall Mount |
| Smart Control | Wi-Fi, Alexa | not stated | Wi-Fi, Alexa | Wi-Fi | Wi-Fi | Wi-Fi | Alexa |
| Dimensions | 8.07 × 31.9 × 11.5 inches | 18.4 × 42.3 × 33.6 inches | 9.88 × 48 × 14.2 inches | 7.87 × 30.2 × 11.8 inches | 37.9 × 15.8 × 26 inches | 16.6 × 38.5 × 31.6 inches | 33.4 × 9.18 × 11.8 inches |
| Weight | not stated | 222 pounds | 38.6 pounds | 16.5 pounds | 263 pounds | 179 pounds | not stated |
| Size | 2 Zone 28000 BTU 12+18 | not stated | 36,000 BTU - 230V / 20 SEER2 | 2 Zone - 18000 BTU 7+12 | 30,000 BTU(D2) 12+18 | not stated | Dual Zone (2) 12000 BTU |
| Color | White with Line set | White | White | White with Line set | White | White | White |
| Model | 1D3-TL+D1218 | 2 zone-35K/24K*2 | TC-36K2VR-20S-I+O | 18KM+D712 | TST-MZ-C30-D1218-OLD | 3 zone-27K/9K+12K+12K | SENA-30HF/D |
When pairing equipment with external controllers, review mysa smart thermostat mini split heat alternatives to match your system specifications.
Frequently asked questions
What is the most efficient dual zone mini split alternative?
The Della 18K BTU Dual Zone Mini Split offers the highest efficiency with a 22 SEER2 rating. It is designed for smaller spaces, using a 7K and 12K indoor unit split. While it provides top-tier energy savings, its lower capacity makes it less suitable for larger rooms compared to higher BTU options.
Which mini split has the highest cooling capacity?
The ROVSUN 38000 BTU Dual Zone Mini Split provides the highest cooling power in this list. It features a 35K and 24K indoor unit configuration for large areas. This unit delivers strong performance with a 20 SEER2 rating, though it requires handling a heavy outdoor unit weighing 222 pounds.
Can I control my mini split with Alexa?
Yes, the Della Vita 36,000 BTU 20 SEER2 supports smart voice control via Alexa. It includes Wi-Fi connectivity for remote management. This single-zone unit is ideal for large rooms needing strong cooling power and integrated smart home features without the complexity of multi-zone setups.
Is there a tri zone option available?
The ROVSUN 28000 BTU Tri Zone Mini Split allows you to control three separate rooms. It uses a 27K outdoor unit paired with 9K, 12K, and 12K indoor units. This setup suits buyers who need specific zone capacities rather than equal splits, all managed through Wi-Fi smart control.
What is the best choice for extreme weather resilience?
The TOSOT 30k BTU 2-Zone Mini Split is built for robust performance in extreme climates. It features a 21 SEER2 rating and supports 12K and 18K indoor units. Its design prioritizes durability and smart control, making it a strong candidate for large dual-zone setups in challenging environments.
Do any alternatives offer smart app control?
Several options include smart connectivity for remote management. The Della Vita 36K supports Wi-Fi and Alexa. The ROVSUN 28K Tri Zone includes Wi-Fi control. The Senville Dual Zone 28K BTU Mini Split also offers smart app control for independent room temperature management alongside reliable dual-zone comfort.
Which unit is best for homes with 208-230V power?
The Senville Dual Zone 28000 BTU Mini Split is suited for homes with 208–230V power. It provides reliable dual-zone comfort with two 12,000 BTU indoor units. This model fits users who value smart app control and independent room temperature management in a standard residential electrical setup.