Best COSTWAY Mini Splits with Wi-Fi: 15 Spec-Based Picks
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Finding the best COSTWAY mini splits with wi fi requires comparing technical specs across 15 models. Our top pick is the COSTWAY Blast Pro 18000 BTU 230V because its 20 SEER2 rating and 230V voltage support reliable cold-weather heating. We ranked these units strictly by published specifications like efficiency, voltage, and zone count. This guide helps you decide which system matches your home’s electrical setup and cooling needs.
Quick picks
The best fit for you
- You have 208/230V power and need cold-weather heating COSTWAY Blast Pro 18000 BTU 230V This 18000 BTU unit runs on 230V and is rated for cold-weather heating performance.
- You need cooling for small rooms with standard outlets COSTWAY 12000 BTU 115V Mini Split This 12000 BTU model operates on 115V, fitting standard household outlets without complex wiring.
- You want the highest efficiency rating available on the list COSTWAY 36k Dual Zone 23 SEER2 This dual-zone system offers a 23 SEER2 efficiency rating for strong energy performance.
- You need independent climate control for four separate rooms COSTWAY 36k Quad 4 Zone Mini Split This quad-zone unit supports four distinct areas with a large 24000 BTU master zone.
Our 15 picks
COSTWAY Blast Pro 18000 BTU 230V
Best for: 208/230V homes needing cold-weather heating
- Smart Control
- Wi-Fi, Alexa (what this guide is about)
- Cooling Capacity
- 18,000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 208/230V
- Coverage Area
- Up to 1,250 sq ft
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY Blast Pro 18000 BTU 230V Affiliate link
This COSTWAY 18000 BTU mini split handles spaces up to 1250 sq.ft. with 20 SEER2 efficiency. It operates on 208/230V power and includes Wi-Fi, app control, and voice assistant compatibility. The unit features 4D airflow, 8 fan speeds, and self-cleaning functions. It is designed for year-round heating and cooling with reliable performance in extreme temperatures.
Pros
- 20 SEER2 energy efficiency rating
- Wi-Fi and voice control support
- 4D airflow for even distribution
- Operates down to -4°F for heating
- Self-clean function and washable filters
Cons
- Lower 20 SEER2 rating compared to 22-24 SEER2 competitors
- Requires 208/230V hardwired installation
- Heavier indoor unit at 20.9 pounds
Good fit if
- You need reliable heating in cold climates down to -4°F
- You have a 208/230V electrical circuit available
- You want smart control via app or voice assistants
Skip if
- You only have a standard 115V outlet
- You prioritize the highest possible SEER2 efficiency
- You need a lighter unit for easy mounting
Verdict: COSTWAY 18000 BTU Mini Split is a solid choice for homes with 208/230V power that need dependable cold-weather heating and smart features. It suits buyers who value consistent temperature control over peak energy efficiency ratings.
COSTWAY 12000 BTU 115V Mini Split
Best for: small rooms with 115V outlets
- Smart Control
- Wi-Fi, Alexa (what this guide is about)
- Cooling Capacity
- 12,000 BTU
- Efficiency Rating
- 24 SEER2
- Voltage
- 115V
- Coverage Area
- Up to 750 Sq.Ft
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 12000 BTU 115V Mini Split Affiliate link
This COSTWAY mini split delivers 12,000 BTU of cooling and heating with a 24 SEER2 efficiency rating. It runs on standard 115V power, making it easy to install in most homes. You get Wi-Fi control via app or Alexa, plus four fan speeds and a 4D auto swing. The unit includes chassis electrical heating for operation down to -13°F. It is a practical option for smaller rooms or spaces with limited electrical capacity.
Pros
- 24 SEER2 efficiency rating for energy savings
- Standard 115V voltage for easy installation
- Wi-Fi control via app and Alexa
- Operates in temperatures down to -13°F
Cons
- Lower 12,000 BTU capacity compared to other picks
- Single-zone configuration limits whole-home coverage
- Smaller indoor unit dimensions may not suit all wall spaces
Good fit if
- You need a single-zone unit for a small room
- You only have a standard 115V electrical outlet
- You want high efficiency in a compact package
Skip if
- You need to cool a large open living area
- You require multi-zone cooling for multiple rooms
- You need a 208/230V high-power unit
Verdict: COSTWAY 12000 BTU Mini Split is a solid choice for small rooms where standard 115V power is the only option. It offers strong efficiency and smart control without requiring complex electrical work.
COSTWAY 28K Tri Zone 20 SEER2 Mini Split
Best for: multi-zone cooling in larger homes
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 28000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 208/230V
- Number of Zones
- 3 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 28K Tri Zone 20 SEER2 Mini Split Affiliate link
This COSTWAY mini split provides 28,000 BTU of cooling across three zones. It uses 20 SEER2 efficiency and connects via Wi-Fi for smart control. The system includes a heat pump and operates on 208/230V power. You get 7 modes and 8 fan speeds for precise adjustments. It runs quietly at 28 dB. This unit suits larger homes needing multi-room comfort without complex ductwork.
Pros
- 28,000 BTU total cooling capacity
- 3-zone independent temperature control
- 20 SEER2 energy efficiency rating
- Wi-Fi connectivity with Alexa and Google Assistant support
- Quiet operation at 28 dB
Cons
- Lower 20 SEER2 rating compared to 22-24 SEER2 competitors
- Requires professional licensed HVAC technician installation
- Heating capability limited to -4°F outdoor temperature
Good fit if
- You need to cool three separate rooms simultaneously
- You want smart home integration with Alexa or Google Assistant
- You prefer a quiet indoor unit for living spaces
Skip if
- You require higher energy efficiency than 20 SEER2
- You need heating operation in sub-zero temperatures below -4°F
- You want a single-zone unit for a small room
Verdict: COSTWAY 28K Tri 3 Zone Mini Split offers balanced multi-zone comfort with smart features. It fits buyers who prioritize room-by-room control over peak energy efficiency ratings.
COSTWAY 28K Dual Zone 9000+12000 BTU
Best for: Unequal zone cooling with 208/230V power
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 28000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 208/230V
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 28K Dual Zone 9000+12000 BTU Affiliate link
This COSTWAY mini split is a dual zone system with 28,000 total BTUs, split into 9,000 and 12,000 BTU indoor units. It features a 20 SEER2 efficiency rating and 208/230V voltage. You get Wi-Fi control with Alexa and Google Assistant compatibility. The outdoor unit includes chassis electrical heating for operation down to -4°F. It offers 4D swing and operates as low as 28 dB.
Pros
- Dual zone design with 9,000 and 12,000 BTU capacities
- 20 SEER2 energy efficiency rating
- Wi-Fi control compatible with Alexa and Google Assistant
- Chassis electrical heating for operation at -4°F
- Low noise operation at 28 dB
Cons
- Lower SEER2 rating (20) compared to other dual zone models on this list (22-23 SEER2)
- Higher voltage requirement (208/230V) may not suit standard 115V circuits
- Heating capacity limited to -4°F outdoor temperature
Good fit if
- You need unequal cooling loads for two separate rooms
- You have a 208/230V electrical supply installed
- You require smart home integration with voice assistants
Skip if
- You need higher energy efficiency than 20 SEER2
- You only have standard 115V household outlets
- You require heating operation in temperatures below -4°F
Verdict: COSTWAY 28K Dual Zone 9000+12000 BTU fits buyers who need unequal zone capacities and have 208/230V wiring. It is less efficient than the 22-23 SEER2 alternatives on this list.
COSTWAY 36k Dual Zone 23 SEER2
Best for: Two small rooms needing equal cooling
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 36000 BTU
- Efficiency Rating
- 23 SEER2
- Voltage
- 208-230V
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 36k Dual Zone 23 SEER2 Affiliate link
This COSTWAY mini split delivers 36,000 BTU of cooling across two zones, each rated at 7,000 BTU. It operates on 208-230V power and achieves a 23 SEER2 efficiency rating. Wi-Fi control lets you adjust settings remotely. The system includes a heat pump and uses R32 refrigerant. It suits homes needing balanced cooling for two smaller rooms with independent temperature management.
Pros
- 23 SEER2 energy efficiency rating
- Wi-Fi smart control via smartphone
- Dual zone 7,000 BTU + 7,000 BTU configuration
- 208-230V voltage compatibility
- R32 refrigerant with low GWP
Cons
- Uneven zone distribution with two small 7,000 BTU indoor units
- Total 36,000 BTU capacity exceeds typical single-room needs
- Requires professional HVAC installation
Good fit if
- You need to cool two small, separate rooms equally
- You require Wi-Fi remote control for daily adjustments
- You have 208-230V electrical supply available
Skip if
- You need one large room cooled with high capacity
- You want a single-zone system for simplicity
- You prefer DIY installation without a professional
Verdict: COSTWAY 36k Dual 2 Zone 7k+7k Mini Split is a high-efficiency option for cooling two smaller spaces equally. It fits buyers who need independent control over two distinct areas with smart features.
COSTWAY 18k Dual Zone 22 SEER2 Mini Split
Best for: Two-room cooling with smart control
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 18,000 BTU
- Efficiency Rating
- 22 SEER2
- Voltage
- 208-230V
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 18k Dual Zone 22 SEER2 Mini Split Affiliate link
This COSTWAY 18,000 BTU dual-zone mini split delivers cooling and heating for two rooms. It features a 22 SEER2 efficiency rating and uses R32 refrigerant with a low GWP of 675. Wi-Fi connectivity allows remote control via smartphone. The unit operates on 208-230V power and includes six operating modes. It is suitable for homes needing independent temperature control for separate spaces.
Pros
- 22 SEER2 energy efficiency rating
- Wi-Fi enabled for smartphone control
- Dual-zone design with 7,000 BTU and 12,000 BTU indoor units
- R32 refrigerant with low GWP of 675
- Operates in temperatures from -13°F to 125°F
Cons
- Lower 22 SEER2 rating compared to 23 or 24 SEER2 models on this list
- Requires professional HVAC installation
- No mention of included smart home hub integration beyond app
Good fit if
- You need to cool two separate rooms with different temperature needs
- You want a high-efficiency unit with Wi-Fi control
- You have a 208-230V electrical supply
Skip if
- You need a single-zone system for one room
- You require a higher 23 or 24 SEER2 efficiency rating
- You are looking for a self-installation unit without professional help
Verdict: COSTWAY 18k 2-Zone 22 SEER2 Mini Split is a practical option for homeowners who need independent climate control for two rooms and value Wi-Fi connectivity. It fits users who prioritize energy efficiency and smart features over the highest possible SEER2 rating.
COSTWAY 30k Tri 3 Zone Mini Split
Best for: cooling three rooms with different needs
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 30000 BTU
- Efficiency Rating
- 23 SEER2
- Voltage
- 208-230V
- Number of Zones
- 3 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 30k Tri 3 Zone Mini Split Affiliate link
This COSTWAY unit provides 30,000 BTU of cooling across three zones with capacities of 7,000, 12,000, and 18,000 BTU. It operates at 23 SEER2 efficiency and runs on 208-230V power. Wi-Fi connectivity allows remote control via smartphone. The system uses R32 refrigerant and includes a 24-hour timer. It suits large spaces requiring independent temperature control in multiple rooms.
Pros
- 23 SEER2 energy efficiency rating
- Wi-Fi smart control via smartphone
- Independent zone control for three rooms
- R32 refrigerant with low GWP
- 208-230V dual voltage support
Cons
- Large outdoor unit dimensions at 41.2 inches wide
- Requires professional HVAC installation
- Heating capacity not explicitly listed in specs
Good fit if
- You need to cool three distinct rooms with different temperature needs
- You have a 208-230V electrical supply available
- You want Wi-Fi control for a high-capacity system
Skip if
- You only need to condition a single room
- You require a 110V standard household outlet only
- You prefer a compact outdoor unit under 30 inches wide
Verdict: COSTWAY 30k Tri 3 Zone Mini Split delivers high capacity and smart features for multi-room climate control. It fits homes needing independent cooling for three separate areas with efficient inverter technology.
COSTWAY 30k 2-Zone 23 SEER2 Mini Split
Best for: Two-room temperature management
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 30000 BTU
- Efficiency Rating
- 23 SEER2
- Voltage
- 208-230V
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 30k 2-Zone 23 SEER2 Mini Split Affiliate link
This COSTWAY mini split delivers 30,000 BTU of cooling across two zones (7,000 and 9,000 BTU). It operates at 23 SEER2 and includes Wi-Fi for remote control. The unit supports heating down to -13°F and uses R32 refrigerant. It fits homes needing flexible temperature management for separate rooms via smart app or remote.
Pros
- 23 SEER2 efficiency rating for lower energy use
- Wi-Fi enabled for smartphone control and scheduling
- Dual zone design with 7,000 and 9,000 BTU indoor units
- Heating operation down to -13°F
Cons
- Requires professional HVAC installation
- Larger indoor unit dimensions (41.2 inches wide)
- No third zone included in this configuration
Good fit if
- You need independent temperature control for two separate rooms
- You want Wi-Fi connectivity for remote adjustments
- You require a heat pump for winter heating
Skip if
- You only need to cool a single room
- You prefer a single-zone unit for simplicity
- You cannot hire a professional installer
Verdict: COSTWAY 30k Dual Zone Mini Split offers solid 23 SEER2 efficiency and dual-zone flexibility for homes needing separate climate control in two spaces.
COSTWAY 36k Quad 4 Zone Mini Split
Best for: multi-room cooling with a large master zone
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 36,000 BTU
- Efficiency Rating
- 23 SEER2
- Voltage
- 208-230V
- Number of Zones
- 4 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 36k Quad 4 Zone Mini Split Affiliate link
This COSTWAY unit delivers 36,000 BTU of cooling across four independent zones. It features a 23 SEER2 efficiency rating and operates on 208-230V power. The system includes Wi-Fi connectivity for remote control and uses R32 refrigerant. You can adjust temperatures for each zone separately, making it suitable for homes with varied cooling needs. The outdoor unit withstands temperatures from -13℉ to 125℉.
Pros
- 23 SEER2 efficiency rating for energy savings
- Wi-Fi enabled for smartphone control
- 4 independent zones with 7k+7k+9k+24k BTU distribution
- R32 refrigerant with low GWP of 675
- Operates in temperatures from -13℉ to 125℉
Cons
- Largest single zone is only 24,000 BTU
- Requires professional HVAC installer
- No smart home integration beyond Wi-Fi listed
Good fit if
- You need to cool four separate rooms independently
- You have a 208-230V electrical supply
- You want high efficiency with a 23 SEER2 rating
Skip if
- You need a single zone with over 24,000 BTU
- You are looking for a DIY installation option
- You require a 110V standard household outlet
Verdict: COSTWAY 36k Quad 4 Zone Mini Split fits homes needing independent climate control for four rooms with a large 24,000 BTU master zone. It suits those with 208-230V power and a preference for high SEER2 efficiency.
COSTWAY 24k 2-Zone 23 SEER2
Best for: Two rooms with unequal cooling needs
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 24000 BTU (9000 BTU + 18000 BTU)
- Efficiency Rating
- 23 SEER2
- Voltage
- 208-230V
- Number of Zones
- 2 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 24k 2-Zone 23 SEER2 Affiliate link
This COSTWAY unit provides 24,000 BTU of cooling across two zones, splitting capacity into 9,000 and 18,000 BTU indoor heads. It operates on 208-230V power and achieves a 23 SEER2 efficiency rating. You can control the system via Wi-Fi using a smartphone app or the included remote. The outdoor unit functions in temperatures from -13°F to 125°F, making it suitable for varied climates.
Pros
- 23 SEER2 efficiency rating for energy savings
- Wi-Fi enabled for smartphone control
- Dual zone configuration with 9k and 18k BTU heads
- Operates in temperatures from -13°F to 125°F
Cons
- Asymmetric zone split limits balanced cooling distribution
- Requires professional HVAC installation
- Indoor unit height of 21.9 inches is bulkier than standard single-zone heads
Good fit if
- You need 24,000 BTU total cooling for two rooms
- You want high efficiency with a 23 SEER2 rating
- You require Wi-Fi control for remote management
Skip if
- You need symmetric zone cooling for equal room sizes
- You are looking for a single-zone unit
- You prefer a lower-profile indoor unit under 20 inches
Verdict: COSTWAY 24k Dual Zone Mini Split offers high efficiency and smart control for two-room setups, though its uneven capacity split suits spaces with different cooling demands.
COSTWAY 30k Quad 4 Zone Mini Split
Best for: multi-zone temperature control
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 30,000 BTU
- Efficiency Rating
- 23 SEER2
- Voltage
- 208-230V
- Number of Zones
- 4 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 30k Quad 4 Zone Mini Split Affiliate link
This 30,000 BTU unit divides cooling and heating across four independent zones. It carries a 23 SEER2 rating and runs on 208-230V power. You get Wi-Fi control, a 24-hour timer, and R32 refrigerant. The outdoor unit operates in temperatures from -13℉ to 125℉. This setup suits larger homes needing precise temperature management in separate rooms.
Pros
- 23 SEER2 efficiency rating
- 4 Zone capacity (7k+7k+9k+12k BTU)
- Wi-Fi smart control
- 208-230V voltage compatibility
Cons
- Requires professional HVAC installation
- Large outdoor unit dimensions
- No app store link provided
Good fit if
- You need independent temperature control in four rooms
- You have a 208-230V electrical supply
- You want high efficiency for a large home
Skip if
- You need a single-zone unit
- You require a 110V standard outlet
- You prefer a DIY installation
Verdict: COSTWAY 30k Quad 4 Zone Mini Split is a high-capacity system for homes requiring four distinct climate zones. It delivers strong efficiency and smart control for users with the necessary electrical infrastructure.
COSTWAY 24k Tri 3 Zone Mini Split
Best for: Cooling three separate rooms efficiently
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 24000 BTU (7k+7k+12k)
- Efficiency Rating
- 23 SEER2
- Voltage
- 208-230V
- Number of Zones
- 3 Zone
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 24k Tri 3 Zone Mini Split Affiliate link
This COSTWAY 24,000 BTU unit serves three zones with a 23 SEER2 efficiency rating. It uses R32 refrigerant and operates on 208-230V power. You get independent temperature control for each room via Wi-Fi. The outdoor unit functions in temperatures from -13°F to 125°F. It includes a 24-hour timer and six operating modes. This setup suits homes needing balanced cooling across multiple spaces.
Pros
- 23 SEER2 energy efficiency rating
- Three independent zones (7k+7k+12k BTU)
- Wi-Fi smartphone control
- R32 refrigerant with low GWP
- Operates in -13°F to 125°F
Cons
- Lower cooling capacity than 36k or 38k models
- Requires professional HVAC installation
- No mention of built-in dehumidifier mode
Good fit if
- You need to cool three separate rooms
- You want Wi-Fi control for each zone
- You prefer R32 refrigerant efficiency
Skip if
- You require a single-zone setup
- You need more than 24,000 BTU total
- You want a self-installable unit
Verdict: COSTWAY 24k Tri 3 Zone 23 SEER2 delivers efficient multi-zone cooling for homes with three distinct areas. It fits buyers who need independent temperature control and smart connectivity without the bulk of larger quad-zone systems.
COSTWAY 38K Quad Zone Mini Split
Best for: large homes needing four-zone cooling
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 38000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 208/230V
- Number of Zones
- 4 Zone
- Heat Pump
- Heat pump
View on Amazon: COSTWAY 38K Quad Zone Mini Split Affiliate link
This COSTWAY unit is a 38,000 BTU quad zone mini split designed for large spaces. It features a 20 SEER2 efficiency rating and operates on 208/230V power. The system includes four indoor units with capacities of 9k, 9k, 9k, and 12k BTU. You get Wi-Fi connectivity for smart control, along with 4D swing technology for even air distribution. It is built to handle extreme temperatures, cooling at 127℉ and heating at -4℉.
Pros
- 38,000 BTU total cooling capacity across four zones
- 20 SEER2 energy efficiency rating
- Wi-Fi, Alexa, and Google Assistant compatibility
- Operates in temperatures from -4℉ to 127℉
- Quiet operation at 28 dB
Cons
- Lower 20 SEER2 efficiency compared to other models on this list that reach 24 SEER2
- Heavier and bulkier outdoor unit dimensions (41.2 x 31.8 x 17.9 inches)
- Higher total BTU capacity may be excessive for smaller homes
Good fit if
- You need to cool four separate large rooms simultaneously
- You require a high-capacity system for a large home
- You want smart control via Wi-Fi and voice assistants
Skip if
- You prefer higher energy efficiency ratings like 23 or 24 SEER2
- You have a smaller space that needs less than 30,000 BTU
- You need a more compact outdoor unit for limited installation space
Verdict: COSTWAY 38K Quad Zone Mini Split offers substantial cooling power for large homes with multiple zones, though its lower efficiency rating and larger footprint make it less ideal for those prioritizing energy savings or compact installations.
COSTWAY 27k 3-Zone Mini Split
Best for: multi-room temperature management
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 27000 BTU
- Efficiency Rating
- Up to 24 SEER2
- Voltage
- 208/230V
- Number of Zones
- 3 zones
- Heat Pump
- Heat Pump
View on Amazon: COSTWAY 27k 3-Zone Mini Split Affiliate link
This 27,000 BTU unit splits capacity into three zones (9k+9k+12k) for independent room control. It achieves 24 SEER2 efficiency and runs on 208/230V power. Smart features include Wi-Fi, Alexa, and Google Assistant compatibility. You get 7 modes and 8 fan speeds. The outdoor unit withstands extreme temperatures, cooling up to 131℉ and heating down to -13℉.
Pros
- 24 SEER2 efficiency rating
- 3-zone independent climate control
- Wi-Fi with voice assistant support
- Operates in -13℉ to 131℉ ambient temps
Cons
- Heavier 119-pound outdoor unit
- Larger 38.5-inch indoor unit width
- Only 30 dB indoor noise level
Good fit if
- You need independent temperature control for three separate rooms
- You require a unit rated for extreme outdoor heat or cold
- You want high energy efficiency with 24 SEER2
Skip if
- You only need to cool or heat a single room
- You prefer a smaller indoor unit width under 35 inches
- You are not comfortable with a heavier installation load
Verdict: COSTWAY 27k 3-Zone Mini Split offers high efficiency and flexible zoning for larger spaces. It suits buyers who need precise temperature management across three distinct areas without compromising on smart connectivity.
COSTWAY 18k Dual Zone Ducted Mini Split
Best for: Quiet, efficient dual-zone ducted cooling
- Smart Control
- Wi-Fi (what this guide is about)
- Cooling Capacity
- 18000 BTU
- Efficiency Rating
- 24 SEER2
- Voltage
- 208/230V
- Number of Zones
- 2 Zone
- Heat Pump
- Heat pump
View on Amazon: COSTWAY 18k Dual Zone Ducted Mini Split Affiliate link
This COSTWAY unit is a 18,000 BTU concealed ducted mini split designed for two zones. It offers a 24 SEER2 efficiency rating and includes Wi-Fi connectivity for app and voice control. The system supports heating down to -13°F and cooling up to 131°F. With a quiet operation level of 28 dB, it suits spaces where low noise is a priority. It requires professional installation for the ducted setup.
Pros
- 24 SEER2 efficiency rating for energy savings
- Wi-Fi, app, and voice assistant compatibility
- Low 28 dB noise level for quiet operation
- Dual zone configuration with 9,000 and 12,000 BTU outputs
Cons
- Requires professional installation for concealed ducted use
- Limited to two zones only
- Outdoor unit dimensions are 34.7 x 21.9 x 13.9 inches
Good fit if
- You need a quiet system for a bedroom or office
- You want high efficiency with a 24 SEER2 rating
- You prefer concealed ducted installation over wall-mounted units
Skip if
- You need more than two zones for your space
- You are looking for a DIY-friendly wall-mounted unit
- You require a single-zone configuration only
Verdict: COSTWAY 18k Dual Zone Ducted Mini Split is a high-efficiency, quiet option for those needing two zones. It fits well in spaces where low noise and smart control are priorities. The ducted design requires professional installation.
Specifications side by side
| Spec | COSTWAY Blast Pro 18000 BTU 230V | COSTWAY 12000 BTU 115V Mini Split | COSTWAY 28K Tri Zone 20 SEER2 Mini Split | COSTWAY 28K Dual Zone 9000+12000 BTU | COSTWAY 36k Dual Zone 23 SEER2 | COSTWAY 18k Dual Zone 22 SEER2 Mini Split | COSTWAY 30k Tri 3 Zone Mini Split | COSTWAY 30k 2-Zone 23 SEER2 Mini Split | COSTWAY 36k Quad 4 Zone Mini Split | COSTWAY 24k 2-Zone 23 SEER2 | COSTWAY 30k Quad 4 Zone Mini Split | COSTWAY 24k Tri 3 Zone Mini Split | COSTWAY 38K Quad Zone Mini Split | COSTWAY 27k 3-Zone Mini Split | COSTWAY 18k Dual Zone Ducted Mini Split |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooling Capacity | 18,000 BTU | 12,000 BTU | 28000 BTU | 28000 BTU | 36000 BTU | 18,000 BTU | 30000 BTU | 30000 BTU | 36,000 BTU | 24000 BTU (9000 BTU + 18000 BTU) | 30,000 BTU | 24000 BTU (7k+7k+12k) | 38000 BTU | 27000 BTU | 18000 BTU |
| Efficiency Rating | 20 SEER2 | 24 SEER2 | 20 SEER2 | 20 SEER2 | 23 SEER2 | 22 SEER2 | 23 SEER2 | 23 SEER2 | 23 SEER2 | 23 SEER2 | 23 SEER2 | 23 SEER2 | 20 SEER2 | Up to 24 SEER2 | 24 SEER2 |
| Voltage | 208/230V | 115V | 208/230V | 208/230V | 208-230V | 208-230V | 208-230V | 208-230V | 208-230V | 208-230V | 208-230V | 208-230V | 208/230V | 208/230V | 208/230V |
| Coverage Area | Up to 1,250 sq ft | Up to 750 Sq.Ft | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated |
| Number of Zones | not stated | not stated | 3 Zone | 2 Zone | 2 Zone | 2 Zone | 3 Zone | 2 Zone | 4 Zone | 2 Zone | 4 Zone | 3 Zone | 4 Zone | 3 zones | 2 Zone |
| Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat pump | Heat Pump | Heat pump |
| Smart Connectivity | Wi-Fi, App, Alexa, Google Assistant | WiFi, App, Alexa | WiFi, Alexa, Google assistant | Wi-Fi, Alexa, Google Assistant | not stated | Wi-Fi, Smartphone | not stated | not stated | Wifi Enabled | Wifi Enabled, Smartphone | Wifi Enabled | Wifi Enabled, Smartphone | WiFi, Alexa, Google Assistant | WiFi, Alexa, Google Assistant | WiFi, App, Alexa, Google Assistant |
| Smart Control | Wi-Fi, Alexa | Wi-Fi, Alexa | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Size | not stated | 12000BTU, 115V, 24 SEER2-WIFI | Tri(3) Zone 9k+9k+9k BTU | Dual Zone 9000 BTU+12000 BTU | Dual Zone 7000 BTU+7000 BTU | Dual Zone 7000 BTU+12000 BTU | Tri(3) Zone 7k+12k+18k BTU | Dual Zone 7000 BTU+9000 BTU | Quad(4) Zone 7k+7k+9k+24k BTU | Dual Zone 9000 BTU+18000 BTU | Quad (4) Zone 7k+7k+9k+12k BTU | Tri(3) Zone 7k+7k+12k | Quad(4)Zone 9k+9k+9k+12k BTU | Tri(3)Zone 9k+9k+12k BTU | Dual Zone-18000BTU 9+12 |
| Dimensions | 7.68 × 35.8 × 12 inches | 12 × 32.5 × 8 inches | 7.48 × 31.9 × 12.1 inches | 7.48 × 31.9 × 12.1 inches | 17.9 × 41.2 × 31.8 inches | 13.9 × 34.7 × 21.9 inches | 17.9 × 41.2 × 31.8 inches | 17.9 × 41.2 × 31.8 inches | 17.9 × 41.2 × 31.8 inches | 13.9 × 34.7 × 21.9 inches | 17.9 × 41.2 × 31.8 inches | 13.9 × 34.7 × 21.9 inches | 17.9 × 41.2 × 31.8 inches | 16.6 × 38.5 × 31.6 inches | 13.9 × 34.7 × 21.9 inches |
| Weight | 20.9 pounds | 28.5 pounds | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | not stated | 119 pounds | not stated |
| Color | White | White | White | White | White | White | White | White | White | White | White | White | White | White | White |
| Model | Blast Pro | 10895US-WH-CYFP | not stated | B0GQ91GZLD | B0F91FTFQS | c95c78c7-835f-4ae8-9cc3-dd0e3bf85521 | B0F91KSF74 | B0F917PLP2 | B0F92HTK41 | not stated | B0F92G2NKW | not stated | not stated | X-Pro-27K | not stated |
If you need simple air circulation rather than active cooling, compare specifications for the best fans with wi fi.
How to choose the right one
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Check your home voltage
Verify your electrical panel before buying. Most multi-zone COSTWAY models require 230V power. Only the 12000 BTU unit supports standard 115V outlets. Choosing the wrong voltage prevents installation. Verify your circuit capacity before comparing SEER2 ratings or zone counts. If you have 208/230V wiring, you can choose from the full list. If you only have 115V, stick to the single-zone 12000 BTU model. This single decision narrows your options significantly.
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Match SEER2 to your needs
SEER2 measures cooling efficiency. Higher numbers mean lower energy use. Most models here offer 20 to 23 SEER2. The Blast Pro 18000 BTU has a 20 SEER2 rating. It prioritizes cold-weather heating reliability over peak efficiency. Other models like the 36k Dual Zone reach 23 SEER2. Choose higher SEER2 if you want maximum energy savings. Choose the Blast Pro if you need dependable heating in cold climates. Efficiency matters less than voltage compatibility for installation success.
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Select the right zone count
Zones determine how many rooms you can control independently. Single-zone units cool one space. Dual-zone models handle two rooms, like the 18k Dual Zone with 7k and 12k BTUs. Tri-zone units cover three areas, such as the 28K Tri Zone. Quad-zone systems manage four spaces, like the 36k Quad with a large 24k master zone. Match the zone count to your layout. More zones mean more indoor units and higher complexity. Fewer zones simplify installation and reduce cost.
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Compare indoor unit dimensions
Indoor unit size affects wall space and airflow. Most single-zone indoor units are around 32 to 36 inches wide. Multi-zone systems often have larger condensers but similar indoor heads. The 36k Dual Zone indoor unit measures 41.2 inches wide. Check your wall space before mounting. Ensure you have clearance for airflow and maintenance access. Smaller units fit tighter spaces. Larger units may require more prominent wall placement. Measure your intended mounting area against the specs provided for each model.
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Consider ducted vs. standard
Most models here are standard wall-mounted units. The 18k Dual Zone Ducted Mini Split is an exception. It uses ducts to distribute air. This design offers quieter operation and hidden installation. However, it requires professional ductwork setup. Standard units are easier to install and maintain. Choose ducted if you want concealed air distribution and lower noise. Choose standard for straightforward wall mounting. Ducted systems also demand more complex electrical and mechanical planning during installation.
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Align BTU with room size
BTU rating must match your room's cooling load. Undersized units struggle to cool. Oversized units cycle too often. The 12000 BTU unit suits small rooms. The 18k Dual Zone offers 7k and 12k BTUs for unequal spaces. The 36k Quad Zone provides a 24k master zone for large areas. Check the BTU split for each zone. Ensure the total capacity covers your square footage. Proper sizing ensures comfort and efficiency. Incorrect sizing leads to poor performance and higher energy bills.
Frequently asked questions
Which COSTWAY mini split works with standard 115V outlets?
The COSTWAY 12000 BTU 115V Mini Split is the only model on this list designed for standard 115V power. This allows it to connect to common household outlets without requiring new electrical circuits. It features Wi-Fi control and a 24 SEER2 efficiency rating, making it a practical choice for small rooms where 230V wiring is not available.
What is the most efficient COSTWAY multi-zone system available?
Several models share the highest efficiency rating of 23 SEER2. These include the 36k Dual Zone, 30k Tri Zone, 30k Quad Zone, and 24k 2-Zone units. All these systems require 230V power and offer Wi-Fi connectivity. You can choose based on the number of zones you need, as they all provide independent climate control for different rooms.
Does COSTWAY offer Wi-Fi control on all their mini splits?
Yes, every model in this selection includes Wi-Fi smart control. This feature allows you to manage temperature settings, schedules, and modes remotely via a smartphone app. You do not need a separate hub or gateway to connect the indoor unit to your home network, ensuring consistent remote access for all listed configurations.
Which unit is best for cooling three separate rooms?
The COSTWAY 24k Tri 3 Zone Mini Split is optimized for three distinct areas. It splits capacity into 7k, 7k, and 12k BTU zones. It runs on 230V power and delivers 23 SEER2 efficiency. This setup provides independent temperature management for each room while maintaining high energy efficiency compared to lower-rated alternatives.
What voltage do multi-zone COSTWAY mini splits require?
Almost all multi-zone models require 230V power. This includes the dual, tri, and quad zone systems like the 28K Dual Zone and 36k Quad Zone. Only the single-zone 12000 BTU unit supports 115V. You must verify your electrical panel capacity before installation, as using the wrong voltage will prevent the unit from operating safely.
Is there a COSTWAY mini split with four zones?
Yes, there are two quad-zone options: the 36k Quad 4 Zone and the 30k Quad 4 Zone. Both provide independent control for four separate rooms. The 36k model features a large 24,000 BTU master zone, while the 30k model offers a more balanced split. Both operate on 230V power and include Wi-Fi connectivity.
Which model has the lowest SEER2 rating?
The COSTWAY Blast Pro 18000 BTU 230V and the 38K Quad Zone Mini Split both have a 20 SEER2 rating. This is the lowest efficiency score in this group. While they may use slightly more energy than 23 SEER2 models, they offer specific benefits like strong cold-weather heating performance or high total capacity for large spaces.
Can I control individual zones with Wi-Fi?
Yes, Wi-Fi control extends to individual zones on multi-zone systems. You can set different temperatures and modes for each connected indoor unit. For example, on the 18k Dual Zone 22 SEER2 model, you can adjust the 7000 BTU and 12000 BTU zones independently. This allows precise comfort management for rooms with different heating or cooling needs.