As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

Looking Beyond the COSTWAY 36k Quad 4 Zone Mini Split? 6 Alternatives Worth a Look

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

You might be looking for costway 36k quad 4 zone mini split alternatives because your needs differ from the original model. The COSTWAY unit offers a 23 SEER2 rating and four independent zones with capacities of 7k, 7k, 9k, and 24k BTU. It runs on 230V power and includes Wi-Fi control. These specs suit homes needing flexible zoning for rooms of varying sizes. However, you may prefer equal zone distribution or a different total capacity. Some buyers also want single-zone units for smaller spaces or dual-zone setups for simpler installations. The alternatives listed here were chosen because their specifications overlap with the original product. Each option shares key features like high efficiency ratings and smart connectivity. You can compare their zone counts, BTU outputs, and voltage requirements to find a better fit. This guide helps you evaluate options based on published data rather than subjective opinions. Consider whether you need independent temperature control for multiple rooms or a simpler system for one large area. The following selections cover various configurations while maintaining strong performance standards.

How these alternatives compare to the COSTWAY

DELLA Optima 23K BTU Soft Airflow

The Della Optima targets single large rooms rather than multiple zones. It provides 23,000 BTU with a 23 SEER2 rating, matching the COSTWAY efficiency but focusing on one space. Its CloudAir design emphasizes soft, draft-free airflow, which suits users sensitive to direct cold air. You lose the multi-zone flexibility of the COSTWAY, gaining specialized comfort for a single area. It also supports Alexa, adding voice control options. If you need one powerful, gentle unit instead of four smaller ones, this is the practical choice.

COSTWAY 28K Dual Zone 9000+12000 BTU

The COSTWAY 28K Dual Zone offers two zones with 9,000 and 12,000 BTU capacities. It shares the 23 SEER2 efficiency rating and Wi-Fi connectivity with the original model. You give up two zones and the 24,000 BTU high-output unit, gaining a simpler setup for smaller homes. This model includes 4D swing for better air distribution. It is ideal if you only need to control two rooms independently. The reduced capacity makes it less suitable for large open spaces compared to the full four-zone COSTWAY system.

ROVSUN 20K BTU Dual Zone Mini Split

The ROVSUN 20K BTU Dual Zone provides two zones with 9,000 BTU each. It matches the 23 SEER2 efficiency and Wi-Fi control of the COSTWAY. You sacrifice the fourth zone and the high-capacity 24,000 BTU unit, resulting in lower total cooling power. This system is lighter and easier to install in smaller homes. It fits buyers who need precise control over two rooms without the complexity of a four-zone setup. The equal split between zones offers balanced cooling for similarly sized spaces.

ROVSUN 18K BTU 23 SEER2 Mini Split

The ROVSUN 18K BTU is a single-zone unit with 23 SEER2 efficiency and Wi-Fi control. It matches the energy rating of the COSTWAY but serves only one room. You lose all multi-zone capability, gaining a simpler system for smaller spaces. It is designed for extreme weather conditions, ensuring reliable performance. This option suits users who do not need to cool multiple areas simultaneously. It is a practical, cost-effective solution for apartments or small homes where a single unit suffices for all cooling needs.

YITAHOME Tri-Zone 24K BTU Mini Split

The YITAHOME Tri-Zone offers three equal zones with 23,000 BTU total capacity and 23 SEER2 efficiency. It includes Wi-Fi and Alexa support, matching the smart features of the COSTWAY. You lose one zone and the high-output 24,000 BTU unit, gaining three balanced zones instead. This setup is ideal for homes with three similarly sized rooms. It provides independent climate control without the complexity of four zones. The equal capacity ensures consistent cooling across all connected indoor units, making it a versatile choice for multi-room homes.

Senville 48K BTU Quad Zone Mini Split

The Senville 48K BTU Quad Zone provides four equal zones with 12,000 BTU each. It shares the 23 SEER2 rating and Wi-Fi connectivity with the COSTWAY. You give up the varied capacities (7k, 7k, 9k, 24k) for balanced cooling across all rooms. This model is best for homes where each room requires similar cooling power. It offers strong cold-weather heating capabilities. If you prefer uniform capacity over flexible zoning, this system provides consistent performance for four separate spaces without the need for different unit sizes.

Quick picks

#ProductBest forPrice
1 COSTWAY 36k Quad 4 Zone Mini Split Best overall Multi-zone homes needing high efficiency Check price of COSTWAY 36k Quad 4 Zone Mini Split on Amazon
2 DELLA Optima 23K BTU Soft Airflow Also great single large rooms needing gentle airflow Check price of DELLA Optima 23K BTU Soft Airflow on Amazon
3 COSTWAY 28K Dual Zone 9000+12000 BTU Best dual zone 9000 btu+12000 btu Dual zone cooling with smart home integration Check price of COSTWAY 28K Dual Zone 9000+12000 BTU on Amazon
4 ROVSUN 20K BTU Dual Zone Mini Split Also great Cooling two rooms with smart control Check price of ROVSUN 20K BTU Dual Zone Mini Split on Amazon
5 ROVSUN 18K BTU 23 SEER2 Mini Split Best budget single-zone cooling with smart features Check price of ROVSUN 18K BTU 23 SEER2 Mini Split on Amazon
6 YITAHOME Tri-Zone 24K BTU Mini Split Best tri zone Three equal rooms needing high efficiency Check price of YITAHOME Tri-Zone 24K BTU Mini Split on Amazon
7 Senville 48K BTU Quad Zone Mini Split Best premium cooling four rooms with equal capacity Check price of Senville 48K BTU Quad Zone Mini Split on Amazon

Our 7 picks

Best overall

COSTWAY 36k Quad 4 Zone Mini Split

Best for: Multi-zone homes needing high efficiency

Cooling Capacity
36,000 BTU
Efficiency Rating
23 SEER2
Voltage
208-230V
Number of Zones
4 Zone
Heat Pump
Heat Pump
Smart Connectivity
Wifi Enabled

View on Amazon: COSTWAY 36k Quad 4 Zone Mini Split Affiliate link

This COSTWAY 36,000 BTU mini split handles four zones with capacities of 7k, 7k, 9k, and 24k BTU. It features a 23 SEER2 efficiency rating and R32 refrigerant for lower GWP. The unit includes Wi-Fi control, a 24-hour timer, and operates on 208-230V power. You get independent temperature adjustment for each room. The outdoor unit withstands temperatures from -13°F to 125°F. It is designed for multi-room climate control.

Pros

  • 23 SEER2 energy efficiency rating
  • 4-zone independent temperature control
  • Wi-Fi smartphone connectivity
  • R32 refrigerant with low GWP
  • ETL and AHRI certified

Cons

  • Requires professional HVAC installation
  • Large outdoor unit dimensions
  • No mention of included remote in data

Good fit if

  • You need to cool four separate rooms
  • You want high energy efficiency
  • You prefer Wi-Fi control

Skip if

  • You only need one zone
  • You cannot hire a professional installer
  • You need a smaller capacity

Verdict: COSTWAY 36k Quad Zone Mini Split suits homes needing four-zone cooling with high efficiency. It fits users who want smart control and independent room settings.

Also great

DELLA Optima 23K BTU Soft Airflow

Best for: single large rooms needing gentle airflow

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

The Della CloudAir 23000 BTU mini split offers 23 SEER2 efficiency and cooling for spaces up to 1500 sq. ft. It features soft, indirect airflow to prevent direct drafts and operates at just 34dB in mute mode. The unit includes smart control via the Della+ app and Alexa, plus heating down to -13°F. This model suits those prioritizing quiet operation and gentle air distribution.

Pros

  • 23 SEER2 energy efficiency rating
  • Soft, indirect airflow design
  • 34dB whisper-quiet operation in mute mode
  • Heating capability down to -13°F
  • Smart control via Alexa and Della+ app

Cons

  • Single-zone configuration only
  • Requires professional vacuuming and 25A fuse installation
  • Heating limit of -13°F is lower than competitors reaching -22°F

Good fit if

  • You need gentle airflow without direct drafts
  • You prioritize ultra-quiet operation for sleeping areas
  • You want smart app and voice control

Skip if

  • You require multi-zone cooling for separate rooms
  • You need heating performance below -13°F
  • You want a plug-and-play unit without professional installation

Verdict: Della CloudAir 23k BTU Soft Airflow is a strong option for single large rooms where quiet, draft-free cooling is the priority. It fits buyers who value smart features and gentle air movement over multi-zone flexibility.

Best dual zone 9000 btu+12000 btu

COSTWAY 28K Dual Zone 9000+12000 BTU

Best for: Dual zone cooling with smart home integration

Cooling Capacity
28000 BTU
Efficiency Rating
20 SEER2
Voltage
208/230V
Number of Zones
2 Zone
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, Google Assistant

View on Amazon: COSTWAY 28K Dual Zone 9000+12000 BTU Affiliate link

This 28,000 BTU dual zone mini split pairs a 9,000 BTU indoor unit with a 12,000 BTU unit. It operates at 20 SEER2 for energy efficiency and includes Wi-Fi connectivity for smart control. The system features a 4D swing for even air distribution and self-cleaning functions. It suits homes needing flexible zoning with moderate efficiency standards.

Pros

  • Dual zone design with 9,000 and 12,000 BTU units
  • 20 SEER2 efficiency rating for energy savings
  • Wi-Fi enabled with Alexa and Google Assistant support
  • 4D swing for even air distribution
  • Self-clean function and washable filters

Cons

  • 20 SEER2 is lower than the 23 SEER2 found on other options
  • Heating capacity limited to -4°F outdoor temperature
  • No mention of a built-in display on the indoor unit

Good fit if

  • You need separate temperature control for two distinct rooms
  • You want smart home integration with voice assistants
  • You prefer a system with 4D swing airflow

Skip if

  • You require the highest efficiency rating available at 23 SEER2
  • You live in an area with heating temperatures below -4°F
  • You need a quad zone system for four separate areas

Verdict: COSTWAY 28K Dual Zone Mini Split offers flexible zoning and smart features for homes needing two distinct climate zones, though its 20 SEER2 rating trails the top efficiency options on this list. It fits buyers prioritizing smart control and 4D swing over maximum energy savings.

Also great

ROVSUN 20K BTU Dual Zone Mini Split

Best for: Cooling two rooms with smart control

Cooling Capacity
20000 BTU
Efficiency Rating
23 SEER2
Voltage
208-230V
Number of Zones
Dual Zone
Heat Pump
Heat Pump
Smart Connectivity
WIFI, APP, Alexa, Google Assistant

View on Amazon: ROVSUN 20K BTU Dual Zone Mini Split Affiliate link

This ROVSUN system delivers 20,000 BTU of cooling across two zones. It pairs a 20,000 BTU outdoor condenser with two 9,000 BTU indoor handlers. The unit features a 23 SEER2 efficiency rating and includes Wi-Fi connectivity. You can control the temperature via app, voice commands, or remotes. It operates effectively in ambient temperatures from -4°F to 122°F. This setup suits you if you need separate climate control for two distinct rooms.

Pros

  • 23 SEER2 efficiency rating for energy savings
  • Wi-Fi and voice control compatibility
  • Dual zone with individual room controllers
  • Operates in temperatures down to -4°F

Cons

  • Lower total capacity than the 36k and 48k options on this list
  • Only two zones instead of three or four
  • Requires professional installation for optimal performance

Good fit if

  • You need to cool two separate rooms
  • You want smart app and voice control
  • You prefer a dual-zone setup over single-zone

Skip if

  • You need to cool more than two rooms
  • You require a higher total BTU capacity
  • You prefer a single-zone system

Verdict: ROVSUN 20k BTU Dual Zone Mini Split fits you if you need precise control over two rooms without the bulk of a multi-zone system. It offers smart features and strong efficiency for smaller spaces.

Best budget

ROVSUN 18K BTU 23 SEER2 Mini Split

Best for: single-zone cooling with smart features

Cooling Capacity
18,000 BTU
Efficiency Rating
23 SEER2
Voltage
230V
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, Google Assistant, App
Dimensions
15 × 36.5 × 27.5 inches

View on Amazon: ROVSUN 18K BTU 23 SEER2 Mini Split Affiliate link

This ROVSUN unit offers 18,000 BTU cooling and heating with 23 SEER2 efficiency. It includes Wi-Fi app control and voice assistant compatibility. The system operates in extreme temperatures from -13°F to 131°F. It features a 230V connection and inverter technology. This model suits smaller spaces or budget-conscious buyers seeking smart features and reliable performance in varied climates.

Pros

  • 23 SEER2 efficiency rating for energy savings
  • Wi-Fi and app control with Alexa and Google Assistant support
  • Operates in temperatures from -13°F to 131°F
  • Includes 24-hour timer and 4-way wind swing

Cons

  • 18,000 BTU capacity is lower than the 24k-48k units on this list
  • Requires a 230V electrical connection
  • Extra power cord is needed for installation

Good fit if

  • You need smart app control for a single room
  • You live in an area with extreme hot or cold weather
  • You have a 230V outlet available for installation

Skip if

  • You require a multi-zone system for multiple rooms
  • You only have 115V outlets available
  • You need more than 18,000 BTU of cooling power

Verdict: ROVSUN 18k BTU Smart WIFI Mini Split provides solid efficiency and smart control for smaller spaces. It is a practical option for users needing single-zone cooling in extreme weather conditions.

Best tri zone

YITAHOME Tri-Zone 24K BTU Mini Split

Best for: Three equal rooms needing high efficiency

Efficiency Rating
23 SEER2
Voltage
208-230V
Coverage Area
Up to 1200 sq ft
Number of Zones
3 Zone
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa

View on Amazon: YITAHOME Tri-Zone 24K BTU Mini Split Affiliate link

This YITAHOME unit offers 24,000 BTU cooling across three 9,000 BTU zones. It achieves 23 SEER2 efficiency and includes Wi-Fi and Alexa compatibility. The system covers 1,200 square feet and operates below 40 decibels. It functions as a heat pump in temperatures from 5°F to 118°F. You get a washable filter and automatic defrosting. Professional installation is required for this pre-charged system.

Pros

  • 23 SEER2 efficiency rating
  • Three 9,000 BTU indoor units
  • Wi-Fi and Alexa smart control
  • Operates below 40 decibels
  • Heat pump down to 5°F

Cons

  • Only three zones, not four
  • Equal 9,000 BTU split limits flexibility
  • No dedicated mobile app mentioned

Good fit if

  • You need three separate rooms cooled
  • You want high efficiency at 23 SEER2
  • You prefer Alexa voice control

Skip if

  • You require four independent zones
  • You need unequal room capacities
  • You want a dedicated smartphone app

Verdict: YITAHOME 24K BTU Tri Zone Mini Split suits those needing three equal zones with high efficiency. It fits homes where three rooms require independent climate control without the complexity of a four-zone setup.

Best premium

Senville 48K BTU Quad Zone Mini Split

Best for: cooling four rooms with equal capacity

Cooling Capacity
48,000 BTU
Efficiency Rating
23 SEER2
Voltage
208-230V
Number of Zones
Quad Zone
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa, App

View on Amazon: Senville 48K BTU Quad Zone Mini Split Affiliate link

This Senville unit delivers 48,000 BTU of cooling across four 12,000 BTU indoor zones. It features 23 SEER2 efficiency and includes four 16-foot installation kits. The system operates on 208/230V power and supports Wi-Fi control. It provides heating down to -22°F. This setup suits large homes needing balanced comfort in multiple rooms without complex ductwork.

Pros

  • 48,000 BTU total capacity with four 12,000 BTU indoor units
  • 23 SEER2 energy efficiency rating for year-round performance
  • Heating capability down to -22°F for cold climates
  • Includes four 16-foot installation kits and Wi-Fi connectivity

Cons

  • Heavier outdoor unit at 36 pounds compared to smaller zones
  • Requires 208/230V electrical connection, not standard 110V
  • Indoor units are larger at 16 inches wide

Good fit if

  • You need to cool four separate rooms equally
  • You have 208/230V electrical service available
  • You want heating performance in very cold weather

Skip if

  • You only need to condition one or two rooms
  • You only have standard 110V outlets available
  • You prefer smaller, less visible indoor wall units

Verdict: Senville 48k BTU Quad Zone Mini Split offers balanced cooling for four rooms with strong cold-weather heating. It fits homes with 230V power and multiple zones needing equal temperature control.

Specifications side by side

Spec COSTWAY 36k Quad 4 Zone Mini Split DELLA Optima 23K BTU Soft Airflow COSTWAY 28K Dual Zone 9000+12000 BTU ROVSUN 20K BTU Dual Zone Mini Split ROVSUN 18K BTU 23 SEER2 Mini Split YITAHOME Tri-Zone 24K BTU Mini Split Senville 48K BTU Quad Zone Mini Split
Cooling Capacity 36,000 BTU 23,000 BTU 28000 BTU 20000 BTU 18,000 BTU not stated 48,000 BTU
Efficiency Rating 23 SEER2 23 SEER2 20 SEER2 23 SEER2 23 SEER2 23 SEER2 23 SEER2
Voltage 208-230V 230V 208/230V 208-230V 230V 208-230V 208-230V
Coverage Area not stated Up to 1500 sq.ft not stated not stated not stated Up to 1200 sq ft not stated
Number of Zones 4 Zone not stated 2 Zone Dual Zone not stated 3 Zone Quad Zone
Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump
Smart Connectivity Wifi Enabled WiFi, Alexa, Della+ app Wi-Fi, Alexa, Google Assistant WIFI, APP, Alexa, Google Assistant Wi-Fi, Alexa, Google Assistant, App Wi-Fi, Alexa WiFi, Alexa, App
Mounting Type not stated not stated not stated not stated not stated not stated Wall Mount
Smart Control Wi-Fi Wi-Fi, Alexa Wi-Fi Wi-Fi Wi-Fi Wi-Fi, Alexa Alexa
Size Quad(4) Zone 7k+7k+9k+24k BTU CloudAir - 23,000 BTU - 230V - 23 SEER2 Dual Zone 9000 BTU+12000 BTU not stated 18000 BTU, 230V, 23 SEER2,WIFI not stated Quad Zone - 12000 BTU each
Dimensions 17.9 × 41.2 × 31.8 inches 8.75 × 43.2 × 13.1 inches 7.48 × 31.9 × 12.1 inches 13.7 × 33.5 × 23.7 inches 15 × 36.5 × 27.5 inches 7.8 × 31 × 11.5 inches 16 × 15 × 12 inches
Weight not stated 30.9 pounds not stated 149 pounds 143 pounds 17.6 pounds 36 pounds
Color White White White White White White White
Model B0F92HTK41 TPX-23K2V-23S-I+O B0GQ91GZLD 2 zone-18K/9K+9K 23-24SEER-18K-230V MAYIHPduhj SENA-48HF-Q12121212

Frequently asked questions

What is the best alternative for a single large room?

The Della Optima 23K BTU Soft Airflow is the top choice for single large spaces. It delivers 23,000 BTU with a 23 SEER2 efficiency rating. Its CloudAir design provides gentle, draft-free cooling. You get Wi-Fi and Alexa smart control for easy management. This model focuses on comfort in one zone rather than multiple areas.

Which mini split is best for dual zone cooling?

The ROVSUN 20K BTU Dual Zone Mini Split is a strong option for two rooms. It offers precise control with Wi-Fi smart features. The system includes two 9K BTU units for balanced coverage. It maintains a 23 SEER2 efficiency rating. This setup suits buyers who need two distinct climate zones without the complexity of a four-zone system.

Are there tri-zone alternatives with high efficiency?

The YITAHOME Tri-Zone 24K BTU Mini Split is designed for three equal rooms. It provides independent climate control for each zone. The unit features a 23 SEER2 efficiency rating for energy savings. You can manage it via Wi-Fi and Alexa. This option fits homes needing three zones without the bulk of a four-zone setup.

What is the best quad zone alternative with equal capacity?

The Senville 48K BTU Quad Zone Mini Split offers balanced cooling for four rooms. Each zone receives 12,000 BTU of capacity. It runs on 230V power and includes Wi-Fi control. This model is ideal for homes requiring equal temperature control across multiple spaces. It provides strong cold-weather heating performance alongside efficient cooling.

Is there a single-zone option with smart features?

The ROVSUN 18K BTU Smart WIFI Mini Split is a practical single-zone choice. It provides solid efficiency with a 23 SEER2 rating. Wi-Fi control allows you to manage settings remotely. This unit is suitable for smaller spaces or extreme weather conditions. You get reliable cooling in one area without needing multiple indoor units.

Which model offers the best smart home integration?

The Della Optima 23K BTU and YITAHOME Tri-Zone 24K BTU both support Wi-Fi and Alexa. These models allow you to control temperature via voice commands or apps. The Della focuses on single-room comfort with soft airflow. The YITAHOME provides three zones with independent control. Both options ensure seamless integration with your existing smart home ecosystem.

What voltage do these mini splits require?

All listed alternatives require 230V power. This includes the Della Optima, ROVSUN models, YITAHOME Tri-Zone, and Senville Quad Zone. The COSTWAY 28K Dual Zone also uses 230V. You must ensure your electrical setup supports this voltage. Standard 110V outlets are not compatible with these high-efficiency units.

See also