COSTWAY Blast Pro 18000 BTU vs COSTWAY 24000 BTU 230V Mini Split (2026): Key Differences
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You are deciding between the costway blast pro 18000 btu vs 24000 btu 230v mini split. Both units offer 230V power and heat pump functionality for year-round comfort. They share key features like self-cleaning and remote control. The main difference lies in their cooling capacity and energy efficiency. The 18000 BTU model boasts a higher SEER2 rating and smart app connectivity, while the 24000 BTU unit provides greater raw power for larger spaces. You need to match the BTU output to your specific square footage requirements.
Key differences
| Aspect | COSTWAY Blast Pro 18000 BTU 230V | COSTWAY 24000 BTU 230V Mini Split |
|---|---|---|
| Cooling Capacity | 18,000 BTU | 24,000 BTU |
| Efficiency Rating | 20 SEER2 | 18.5 SEER |
| Coverage Area | Up to 1250 sq.ft. | Not listed |
| Smart Control | Wi-Fi, App, Alexa, Google Assistant | Remote control only |
| Fan Speeds | 8 speeds | 4 speeds |
Which one should you choose?
Choose COSTWAY Blast Pro 18000 BTU 230V if
- You need efficient cooling for spaces up to 1250 sq.ft.
- You want to control the unit via a smartphone app or voice assistant.
- You prefer higher energy efficiency with a 20 SEER2 rating.
Choose COSTWAY 24000 BTU 230V Mini Split if
- You require higher cooling power for a larger area.
- You prefer a simpler setup with just a physical remote.
- You want a unit with a 5-year parts warranty.
Verdict: Choose the 18000 BTU Blast Pro if you prioritize energy efficiency, smart home integration, and precise airflow control for medium-sized rooms. Select the 24000 BTU model if you need maximum cooling capacity for a larger space and prefer a straightforward remote-only interface. Both units provide reliable 230V heat pump performance for your home.
18k vs 24k BTU Mini Split Comparison
Cooling capacity
The COSTWAY Blast Pro 18000 BTU 230V delivers 18,000 BTUs of cooling power, while the COSTWAY 24000 BTU 230V Mini Split provides 24,000 BTUs. This six-thousand BTU difference represents a significant increase in thermal output for the larger unit. You should choose the 24,000 BTU model if you are conditioning a larger volume of air or a space with higher heat loads. The 18,000 BTU unit is rated for areas up to 1,250 square feet, making it suitable for medium-sized rooms. The 24,000 BTU unit is designed for more substantial spaces, offering faster temperature adjustments for larger open areas or homes with higher thermal demands.
Energy efficiency
Efficiency ratings differ between these two models. The COSTWAY Blast Pro 18000 BTU 230V features a 20 SEER2 rating, indicating high energy efficiency for its class. In contrast, the COSTWAY 24000 BTU 230V Mini Split has an 18.5 SEER rating. A higher SEER number generally means lower operating costs per unit of cooling produced. Therefore, the 18,000 BTU unit is more efficient in terms of energy consumption per BTU. If your priority is minimizing electricity usage for a smaller space, the Blast Pro offers a better efficiency score. However, the larger unit may still be cost-effective for larger areas due to its higher total output.
Smart control
Connectivity options vary significantly between the two units. The COSTWAY Blast Pro 18000 BTU 230V includes built-in Wi-Fi, app operation, and compatibility with Alexa and Google Assistant for voice control. This allows you to manage the system remotely from anywhere. The COSTWAY 24000 BTU 230V Mini Split relies on a standard remote control with a timer and does not list smart Wi-Fi capabilities in its specifications. If you want to adjust settings via your phone or use voice commands, the Blast Pro is the superior choice. The 24,000 BTU unit is better suited for users who prefer manual control via a physical remote.
Airflow modes
Airflow customization differs in the number of available modes. The COSTWAY Blast Pro 18000 BTU 230V offers seven modes, including auto, cool, heat, dry, fan, ECO, and sleep. It also features an innovative 4D airflow design for even distribution. The COSTWAY 24000 BTU 230V Mini Split provides five modes: auto, cool, dry, heat, and fan. While it includes ECO and sleep modes, the Blast Pro offers more granular control over operation styles. The 4D airflow feature on the Blast Pro may provide better air circulation in complex room layouts compared to the standard airflow of the 24,000 BTU unit.
Physical size
The physical dimensions of the indoor units differ. The COSTWAY Blast Pro 18000 BTU 230V has a width of 35.8 inches and weighs 20.9 pounds. The COSTWAY 24000 BTU 230V Mini Split is wider at 44.5 inches and significantly heavier at 68 pounds. The larger unit requires more wall space and a sturdier mounting surface. If you have limited wall space or prefer a more compact indoor unit, the Blast Pro is the better option. The 24,000 BTU unit is bulkier, reflecting its higher capacity and more robust internal components.
Which Mini Split Fits Your Needs
Large space users needing max power
You need 24,000 BTUs to cool up to a larger area efficiently. This unit provides higher thermal output for bigger rooms. The 2-ton heat pump handles significant loads. While efficiency is lower at 18.5 SEER, the raw capacity ensures your large space stays comfortable during extreme weather conditions.
Efficiency focused buyers with smart needs
You prioritize energy savings and smart control. This model offers 20 SEER2 efficiency, reducing power consumption. It includes Wi-Fi, app control, and voice assistant compatibility. The 18,000 BTU capacity suits spaces up to 1,250 square feet. You get precise airflow with 7 modes and whisper-quiet operation at 28 dB.
Users wanting quiet operation and features
You value a peaceful environment and advanced features. This unit runs as low as 28 dB, quieter than the 24k model. It offers 8 fan speeds and 4D airflow for better distribution. The self-clean function and washable filters simplify maintenance. Smart connectivity allows remote adjustments via app or voice commands.
The products compared
COSTWAY Blast Pro 18000 BTU 230V
Best for: medium rooms needing 230V efficiency
- Cooling Capacity
- 18,000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 208/230V
- Coverage Area
- Up to 1,250 sq ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, App, Alexa, Google Assistant
View on Amazon: COSTWAY Blast Pro 18000 BTU 230V Affiliate link
The COSTWAY Blast Pro 18000 BTU 20 SEER2 is a ductless mini split designed for spaces up to 1250 sq.ft. It operates on 208/230V power and delivers a high-efficiency 20 SEER2 rating. You get smart control via Wi-Fi, app, and voice assistants. The unit includes a heat pump for heating down to -4℉. It runs as quiet as 28 dB and features 4D airflow for even distribution.
Pros
- High 20 SEER2 efficiency rating for energy savings
- Wi-Fi, app, and voice control (Alexa/Google)
- Heats reliably down to -4℉ with chassis heating
- Quiet operation at 28 dB
Cons
- Lower 18000 BTU capacity than the 24000 BTU option
- Requires 208/230V hardwired installation
- Indoor unit is 35.8 inches wide
Good fit if
- You need efficient cooling for up to 1250 sq.ft.
- You have 208/230V electrical service available
- You want smart app and voice control
Skip if
- You only have standard 115V outlets
- You need more than 18000 BTU of cooling power
- You prefer a smaller indoor unit width
Verdict: COSTWAY Blast Pro 18000 BTU 20 SEER2 offers strong efficiency and smart features for medium-sized rooms. It fits buyers who need 230V power and reliable heating in cold weather.
COSTWAY 24000 BTU 230V Mini Split
Best for: larger spaces needing 24,000 BTU capacity
- Cooling Capacity
- 24000 BTU (2 Ton)
- Efficiency Rating
- 18.5 SEER2
- Voltage
- 208-230V
- Coverage Area
- Up to 1500 Sq. Ft
- Heat Pump
- Heat Pump
- Mounting Type
- Wall Mount
View on Amazon: COSTWAY 24000 BTU 230V Mini Split Affiliate link
This 24,000 BTU unit is a 2-ton heat pump designed for 208-230V circuits. It offers 18.5 SEER efficiency and five operating modes, including cool, heat, dry, fan, and auto. The system features inverter technology, self-cleaning, and auto-defrost functions. You get a remote with a timer and sleep mode, plus a five-year parts and eight-year compressor warranty. It suits larger spaces needing robust cooling and heating power.
Pros
- 24,000 BTU cooling and heating capacity
- 18.5 SEER efficiency rating
- Inverter technology for stable operation
- Self-cleaning and auto-defrost functions
- Five-year parts and eight-year compressor warranty
Cons
- Lower 18.5 SEER efficiency compared to the 19 SEER 18,000 BTU model
- Heavier 68-pound indoor unit
- Requires 208-230V electrical connection
Good fit if
- You need 24,000 BTU of cooling power
- You have a 208-230V circuit available
- You want a heat pump with inverter technology
Skip if
- You only have a 115V outlet
- You prefer higher efficiency than 18.5 SEER
- You need a 9,000 or 12,000 BTU unit
Verdict: COSTWAY 24000 BTU 230V Mini Split provides strong 24,000 BTU capacity for larger rooms, but its 18.5 SEER rating is lower than the 19 SEER option in this comparison.
Specifications side by side
| Spec | COSTWAY Blast Pro 18000 BTU 230V | COSTWAY 24000 BTU 230V Mini Split |
|---|---|---|
| Cooling Capacity | 18,000 BTU | 24000 BTU (2 Ton) |
| Efficiency Rating | 20 SEER2 | 18.5 SEER2 |
| Voltage | 208/230V | 208-230V |
| Coverage Area | Up to 1,250 sq ft | Up to 1500 Sq. Ft |
| Heat Pump | Heat Pump | Heat Pump |
| Smart Connectivity | Wi-Fi, App, Alexa, Google Assistant | not stated |
| Mounting Type | not stated | Wall Mount |
| Smart Control | Wi-Fi, Alexa | not stated |
| Dimensions | 7.68 × 35.8 × 12 inches | 9 × 44.5 × 13 inches |
| Weight | 20.9 pounds | 68 pounds |
| Color | White | White |
| Model | Blast Pro | 10153-CYJV |
| Size | not stated | 24000BTU, 208-230V, 18.5 SEER |
Frequently asked questions
Which unit is more energy efficient?
The COSTWAY Blast Pro 18000 BTU is the more efficient choice. It features a 20 SEER2 rating, which indicates better energy usage per hour of operation. In contrast, the 24,000 BTU model has an 18.5 SEER rating. Higher SEER numbers mean lower electricity consumption for the same cooling output.
Do both mini splits require 230V power?
Yes, both units operate on 230V power. This voltage requirement is standard for high-capacity mini split systems. You will need a dedicated 230V circuit for either installation. Check your home’s electrical panel to ensure you have the correct breaker capacity before purchasing.
Can I control the 18k BTU model with Wi-Fi?
Yes, the COSTWAY Blast Pro 18000 BTU includes Wi-Fi smart control. This feature allows you to manage settings remotely via a smartphone app. The 24,000 BTU model does not list Wi-Fi capabilities in its specifications. You would need to use the included remote for that unit.
Which unit is lighter and easier to install?
The 18,000 BTU Blast Pro is significantly lighter. It weighs only 20.9 pounds, making it easier to handle during mounting. The 24,000 BTU unit weighs 68 pounds due to its larger components. The lighter unit may simplify the installation process for DIYers.
What are the physical dimensions of the indoor units?
The 18,000 BTU model measures 35.8 inches wide and 12 inches high. The 24,000 BTU unit is larger, measuring 44.5 inches wide and 13 inches high. Both units are white and designed for wall mounting. Ensure you have sufficient wall space for the larger unit.
Is the 24k BTU model suitable for small rooms?
No, the 24,000 BTU model is not ideal for small rooms. It provides 24,000 BTUs of cooling capacity, which is excessive for medium-sized spaces. This can lead to short cycling and reduced humidity control. The 18,000 BTU unit is better matched for medium rooms.
Do both units have self-cleaning features?
Yes, both models include self-cleaning functionality. This feature helps maintain air quality and reduces maintenance needs by drying the evaporator coil. It prevents mold and mildew buildup inside the unit. This is a standard feature for both the 18k and 24k BTU options.

