Looking Beyond the TOSOT Aoraki 24K BTU 24? 6 Alternatives Worth a Look

Comparing key specs and features

Senville LETO 30K BTU Mini Split

The Senville LETO 30K BTU Mini Split offers 30,000 BTU of cooling, which is significantly higher than the TOSOT Aoraki’s 24,000 BTU. This extra capacity makes it better suited for larger rooms or open floor plans that require more power. However, it lacks the Aoraki’s extreme cold climate performance, which operates down to -20°F. You also give up the optional ERV integration found in the TOSOT model. If your primary need is raw cooling output for a big space rather than ultra-efficient cold weather operation, this higher-capacity unit is a strong alternative. It maintains a 230V voltage requirement similar to the original.

ROVSUN 28000 BTU Tri-Zone Mini Split

The ROVSUN 28000 BTU Tri-Zone Mini Split differs by offering three separate zones instead of a single unit. This allows you to control the temperature in three distinct rooms individually. The total capacity is 28,000 BTU, split as 9,000 BTU per zone. While this provides multi-room flexibility, the efficiency rating is 20 SEER2, which is lower than the TOSOT Aoraki’s 24 SEER2. You trade energy savings for zoning control. The unit also supports Wi-Fi smart control, which the TOSOT data does not explicitly list. If you need to manage multiple rooms with different comfort settings, this tri-zone setup is practical, even if it is less efficient than the single-zone Aoraki.

Della 35000 BTU 17 SEER2 Mini Split

The Della 35000 BTU 17 SEER2 Mini Split provides 35,000 BTU of cooling, which is much higher than the TOSOT Aoraki’s 24,000 BTU. This makes it suitable for very large spaces. However, the efficiency rating drops to 17 SEER2, significantly lower than the Aoraki’s 24 SEER2. You will likely pay more in energy costs with this model. It does include Wi-Fi and Alexa smart controls, offering convenience that the TOSOT data does not mention. The outdoor unit is also lighter at 38.6 pounds compared to the Aoraki’s 172 pounds. Choose this if you need maximum cooling power and do not mind lower efficiency or higher energy usage.

MrCool DIY 18,000 BTU 230V

The MrCool DIY 18,000 BTU 230V is a smaller unit with only 18,000 BTU, compared to the TOSOT Aoraki’s 24,000 BTU. It is designed for small rooms where high capacity is not required. The unit is lighter and has a more compact indoor size. It lacks the extreme cold climate features and ERV integration of the Aoraki. You also do not get the high 24 SEER2 efficiency rating. This model is best for users who prioritize easy DIY installation and quiet operation in smaller spaces over raw power. If your room is small, this lower-capacity unit may be sufficient and more cost-effective to install.

ROVSUN 3 Zone 28000 BTU Mini Split

The ROVSUN 3 Zone 28000 BTU Mini Split is another multi-zone option, similar to the other ROVSUN model. It provides 28,000 BTU total, split across three zones of 9,000 BTU each. This allows for individual room control, which the single-zone TOSOT Aoraki cannot offer. However, the efficiency rating is 20 SEER2, lower than the Aoraki’s 24 SEER2. You trade energy efficiency for the ability to manage multiple rooms independently. The unit is wall-mounted and includes Wi-Fi smart control. If you need to cool three moderate-sized rooms with separate thermostats, this tri-zone system is a practical choice, even if it is less efficient than the high-performance Aoraki.

DELLA Optima 23K BTU Soft Airflow

The DELLA Optima 23K BTU Soft Airflow offers 23,000 BTU, which is slightly less than the TOSOT Aoraki’s 24,000 BTU. Its efficiency rating is 23 SEER2, just one point lower than the Aoraki’s 24 SEER2. This unit focuses on gentle, quiet airflow, which may be preferable for bedrooms or living areas. It includes Wi-Fi and Alexa smart controls, features not explicitly listed for the TOSOT model. The outdoor unit is much lighter at 30.9 pounds. If you prioritize soft airflow and smart home integration over maximum BTU output or extreme cold performance, this high-efficiency alternative is a solid choice for medium-sized rooms.

Quick picks

Our 7 picks

1 Best overall

TOSOT Aoraki 24K BTU 24 SEER2

Best for: Cold climate efficiency and quiet operation

Cooling Capacity

24,000 BTU (2 Ton)

Efficiency Rating

24 SEER2

Voltage

208-230V

Heat Pump

Dual electric heating belt

Smart Connectivity

WiFi

Smart Control

Wi-Fi

View on Amazon: TOSOT Aoraki 24K BTU 24 SEER2 Affiliate link

The TOSOT Aoraki 24K BTU 24 SEER2 mini split offers 24,000 BTU cooling and heating with a 24 SEER2 efficiency rating. It operates on 208-230V and handles extreme climates down to -22°F. The unit features ultra-quiet indoor operation at 30dB and supports optional ERV integration for fresh air. It suits spaces needing high efficiency and cold-climate performance.

Pros

• 24 SEER2 efficiency rating for significant energy savings
• Operates in extreme temperatures from -22°F to 122°F
• Indoor unit runs as quietly as 30dB
• Supports optional ERV integration for fresh air ventilation

Cons

• Requires professional installation for the optional ERV feature
• Ships in multiple packages that may arrive at different times
• ERV integration requires additional wall vents

Good fit if

• You need a high-efficiency unit for cold climates
• You want ultra-quiet operation for bedrooms or offices
• You plan to add fresh air ventilation later

Skip if

• You prefer a single-package delivery
• You need a unit for mild climates only
• You want a simpler installation without extra vents

Verdict: TOSOT Aoraki 24K BTU 24 SEER2 is ideal for users in cold regions who prioritize energy efficiency and quiet performance. It is a strong choice for those planning to integrate fresh air ventilation in the future.

2 Best premium

Senville LETO 30K BTU Mini Split

Best for: large rooms needing high cooling output

Cooling Capacity

30000 BTU

Voltage

208/230V

Heat Pump

Heat Pump

Smart Connectivity

Alexa, App control

Mounting Type

Wall Mount

Dimensions

50 × 48 × 40 inches

View on Amazon: Senville LETO 30K BTU Mini Split Affiliate link

This Senville LETO unit offers 30,000 BTU of cooling and heating capacity on a 230V circuit. It includes app and Alexa control, a 16ft line set, and a 5-year parts warranty. The 140-pound system suits large rooms or open spaces. You get a versatile 4-in-1 function with dehumidifier and fan modes. It is a solid option for those needing high output and smart features.

Pros

• 30,000 BTU cooling capacity for large areas
• App and Alexa voice control integration
• 5-year warranty on parts and compressor
• Includes 16ft line set and remote

Cons

• Heating function only works down to 5F
• 140-pound weight requires sturdy mounting
• Professional installation is required

Good fit if

• You need high cooling power for a large room
• You want smart app control for scheduling
• You prefer a system with a long warranty

Skip if

• You only have a 110V electrical outlet
• You need heating in very cold climates below 5F
• You want a DIY installation without a pro

Verdict: Senville LETO 30,000 BTU Mini Split delivers strong cooling capacity and smart control for large spaces, making it a reliable choice for homeowners who prioritize power and warranty coverage.

3 Also great

ROVSUN 28000 BTU Tri-Zone Mini Split

Best for: multi-room climate control with individual zones

Cooling Capacity

28,000 BTU

Efficiency Rating

20 SEER2

Voltage

208-230V

Number of Zones

3 Zone

Heat Pump

Heat Pump

Smart Control

Wi-Fi

View on Amazon: ROVSUN 28000 BTU Tri-Zone Mini Split Affiliate link

This ROVSUN system pairs one 28,000 BTU outdoor condenser with three 9,000 BTU indoor handlers. It delivers 20 SEER2 efficiency and includes Wi-Fi smart control. You get individual temperature management for each room via dedicated controllers. The unit operates on 230V power and provides both cooling and heating. It is designed for multi-room climate control in residential or small commercial spaces.

Pros

• 20 SEER2 energy efficiency rating
• Wi-Fi smart control capability
• Three independent indoor zones
• Individual room temperature control

Cons

• Lower 20 SEER2 efficiency compared to 24 SEER2 competitors
• Heavier 179-pound outdoor unit
• Fixed 9K/9K/9K zone split in this variation

Good fit if

• You need to cool three separate rooms simultaneously
• You want individual temperature control for each space
• You prefer Wi-Fi connectivity for remote management

Skip if

• You require higher than 20 SEER2 efficiency
• You need a single zone configuration
• You are limited to 120V electrical circuits

Verdict: ROVSUN 28K BTU Tri-Zone Mini Split suits you if you need to manage three distinct rooms with individual thermostats. It offers a practical multi-zone solution, though its 20 SEER2 rating trails the higher efficiency options available.

4 Also great

Della 35000 BTU 17 SEER2 Mini Split

Best for: large spaces needing high BTU output

Cooling Capacity

35,000 BTU

Efficiency Rating

17 SEER2

Voltage

208-230V

Coverage Area

Up to 2,500 sq ft

Heat Pump

Heat Pump

Smart Connectivity

Wi-Fi, Alexa

View on Amazon: Della 35000 BTU 17 SEER2 Mini Split Affiliate link

The Della Econo Series offers 35,000 BTU of cooling for spaces up to 2,500 square feet. It runs on 230V with a 17 SEER2 efficiency rating. This unit includes a heat pump that works down to 5°F. You get smart control via Wi-Fi and Alexa compatibility. It also features a smart sensor in the remote for personalized comfort. Professional installation is required for this system.

Pros

• 35,000 BTU cooling capacity for large areas
• Wi-Fi and Alexa smart control support
• Heat pump operation down to 5°F
• Remote sensor adjusts temperature based on location

Cons

• Lower 17 SEER2 efficiency rating compared to competitors
• Requires professional installation, not DIY-friendly
• Larger 46.9-inch indoor unit width

Good fit if

• You need high cooling power for a large room
• You want smart home integration with Alexa
• You have a 230V electrical circuit available

Skip if

• You prefer a DIY installation process
• You want the highest energy efficiency rating
• You are cooling a space under 1,500 square feet

Verdict: The Della Econo 35K BTU Mini Split is a high-capacity option for large spaces. It suits buyers who need strong cooling and smart controls but can handle professional installation.

5 Also great

MrCool DIY 18,000 BTU 230V

Best for: small rooms with DIY installation needs

Cooling Capacity

18,000 BTU

Efficiency Rating

Up to 17.3 SEER2

Voltage

230V

Coverage Area

up to 800 square feet

Number of Zones

Single Zone

Heat Pump

Heat Pump

View on Amazon: MrCool DIY 18,000 BTU 230V Affiliate link

This single-zone 18,000 BTU heat pump covers up to 800 square feet on 230V power. It offers 17.3 SEER2 cooling and 8.5 HSPF2 heating efficiency. The unit includes a pre-charged Quick Connect line set for DIY installation without vacuum pumps or brazing. Smart control via app and voice assistants is included. It runs quietly at 18.5 dB(A) in silent mode.

Pros

• Pre-charged Quick Connect line set for DIY installation
• 17.3 SEER2 cooling efficiency rating
• Quiet operation down to 18.5 dB(A) in silent mode
• App and voice assistant compatibility

Cons

• 18,000 BTU capacity is lower than the 24,000 BTU Aoraki
• Single-zone configuration limits whole-home coverage
• 800 sq ft coverage is smaller than larger units on the list

Good fit if

• You need a DIY-friendly installation with pre-charged lines
• You want quiet operation for a bedroom or office
• You are cooling a single room up to 800 square feet

Skip if

• You require multi-zone cooling for multiple rooms
• You need a higher 24,000 BTU capacity for larger spaces
• You prefer professional installation only without DIY components

Verdict: MRCOOL DIY Select 18k BTU Heat Pump fits small rooms where easy installation and low noise matter more than high capacity.

6 Best budget

ROVSUN 3 Zone 28000 BTU Mini Split

Best for: cooling three moderate-sized rooms

Cooling Capacity

28000 BTU (9K/9K/9K)

Efficiency Rating

20 SEER2

Voltage

208-230V

Number of Zones

3 Zone

Heat Pump

Heat Pump

Mounting Type

Wall Mount

View on Amazon: ROVSUN 3 Zone 28000 BTU Mini Split Affiliate link

This ROVSUN system uses one outdoor condenser to cool three rooms with 9,000 BTU wall-mounted units each. It delivers 28,000 total BTU at 20 SEER2 efficiency. The unit operates on 230V and includes three remote controllers. You get independent climate control for each zone. The outdoor unit weighs 179 pounds and measures 38.5 inches wide. It fits homes needing multi-room cooling without separate outdoor hardware.

Pros

• 28,000 BTU total cooling capacity across three zones
• 20 SEER2 energy efficiency rating
• Includes three indoor units and three remotes
• 230V electrical requirement
• Operates in ambient temperatures from -4°F to 122°F

Cons

• Requires professional installation
• Outdoor unit is heavy at 179 pounds
• Indoor units are limited to 9,000 BTU each

Good fit if

• You need to cool three separate rooms
• You prefer a single outdoor condenser
• You want independent temperature control per zone

Skip if

• You only need to cool one room
• You cannot support 230V wiring
• You need more than 9,000 BTU per room

Verdict: ROVSUN Tri Zone 28000 BTU Mini Split suits you if you need to cool three distinct rooms with a single outdoor unit. It provides balanced 9,000 BTU output per zone for moderate spaces.

7 Best 23 seer2

DELLA Optima 23K BTU Soft Airflow

Best for: medium rooms needing gentle, quiet cooling

Cooling Capacity

23,000 BTU

Efficiency Rating

23 SEER2

Voltage

230V

Coverage Area

Up to 1500 sq.ft

Heat Pump

Heat Pump

Smart Connectivity

WiFi, Alexa, Della+ app

View on Amazon: DELLA Optima 23K BTU Soft Airflow Affiliate link

This 23,000 BTU mini split offers 23 SEER2 efficiency and 1.92 tons of cooling for spaces up to 1500 square feet. It features soft, indirect airflow to avoid direct drafts and operates quietly at 34 dB in mute mode. The unit includes a Della+ app for smart control and heating capability down to -13°F. It comes with a complete installation kit, including a 16.4-foot pre-flared copper line set.

Pros

• 23 SEER2 energy efficiency rating
• Soft, indirect airflow design prevents harsh drafts
• Whisper-quiet 34 dB operation in Mute Mode
• Heating function works down to -13°F
• Includes 16.4 ft pre-flared copper line set

Cons

• Smaller 23,000 BTU capacity compared to 28,000 or 35,000 BTU alternatives
• Requires vacuuming and a 25A fuse during installation
• Indoor unit dimensions are 43.2 inches wide

Good fit if

• You need efficient cooling for a room up to 1500 sq. ft.
• You want to avoid direct cold air blowing on your body
• You require heating performance in temperatures down to -13°F

Skip if

• You need a higher capacity unit for larger spaces
• You prefer a simpler installation without vacuuming requirements
• You want a unit with a larger indoor display

Verdict: DELLA Optima 23K BTU 23 SEER2 suits users prioritizing gentle airflow and quiet operation in medium-sized rooms. It is a strong option for those who value high efficiency and included installation hardware.

Specifications side by side

Frequently asked questions

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