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This COSTWAY vs nexaro mini split air conditioner guide compares two distinct options for your home. Both units use inverter technology for efficient heating and cooling, and both operate on 230V power. They share similar heights and weights, and both offer five operating modes. The main difference lies in capacity and coverage. The COSTWAY model provides 24,000 BTUs for larger spaces, while the Nexaro unit offers 12,000 BTUs for smaller rooms. You should choose based on your square footage needs.
Cooling Capacity
24,000 BTU
12,000 BTU
Coverage Area
Up to 2 tons (large spaces)
Up to 750 sq. ft.
Efficiency Rating
18.5 SEER
19 SEER2
Indoor Unit Width
44.5 inches
32.3 inches
Refrigerant Info
GWP 675
R32 refrigerant
Special Features
Self-cleaning at 134.6°F
Anti-mildew protection
Choose the first if
- You need to cool or heat a large room or open area.
- You prefer a wider unit that covers more surface area.
- You want a model with a high-temperature self-cleaning function.
Choose the second if
- You are cooling a smaller room under 750 square feet.
- You want a more compact indoor unit that is 32.3 inches wide.
- You prefer a slightly higher SEER2 efficiency rating of 19.
Verdict
Choose the COSTWAY model if you need higher cooling power for a larger space. Select the Nexaro unit if you have a smaller room and want a more compact, slightly more efficient system. Both provide reliable inverter-based climate control.
COSTWAY vs Nexaro Mini Split Comparison
coverage area
Edge: COSTWAY 24000 BTU 230V Mini Split
The COSTWAY 24000 BTU model is designed for larger spaces, while the Nexaro 12000 BTU unit targets smaller rooms. The data lists Nexaro’s coverage at 750 square feet, though one feature mentions up to 1250 square feet. COSTWAY’s title notes it cools up to a specific size but does not state the square footage in the provided specs. Generally, a 24000 BTU unit handles roughly twice the load of a 12000 BTU unit. If you need to cool a large open area, the higher capacity of the COSTWAY model is the practical choice. For a single bedroom or small office, the Nexaro capacity is sufficient.
energy efficiency
Edge: Nexaro 12000BTU Mini Split, 19 SEER2
Nexaro leads in rated efficiency with a 19 SEER2 rating. COSTWAY offers an 18.5 SEER rating for its 24000 BTU model. SEER2 is the newer, more accurate standard for measuring seasonal energy efficiency. A higher number means lower energy consumption for the same cooling output. The Nexaro unit achieves this higher rating with half the cooling power of the COSTWAY model. This makes the Nexaro more efficient per ton of cooling. However, the COSTWAY model uses R454B refrigerant (GWP 675), while Nexaro uses R32, which also has a low global warming potential. For pure efficiency metrics, Nexaro wins.
warranty coverage
Edge: COSTWAY 24000 BTU 230V Mini Split
COSTWAY provides a more comprehensive warranty structure in the data. It includes 5 years of parts replacement and 8 years of compressor coverage. The Nexaro data does not list specific warranty terms. A longer compressor warranty is critical for mini splits, as the compressor is the most expensive component to replace. The 8-year coverage on the COSTWAY model offers significant long-term protection. If you plan to keep the unit for many years, the explicit warranty terms from COSTWAY provide better peace of mind. You should verify Nexaro’s warranty terms separately, as they are not included here.
physical size
Edge: Nexaro 12000BTU Mini Split, 19 SEER2
Both units are 13 inches in height and weigh 68 pounds. However, the indoor unit dimensions differ significantly. The COSTWAY indoor unit is 44.5 inches wide and 9 inches deep. The Nexaro indoor unit is 32.3 inches wide and 8.25 inches deep. The COSTWAY unit is substantially wider due to its higher 24000 BTU capacity. If you have limited wall space or a narrow mounting area, the Nexaro’s narrower profile is easier to install. The depth difference is minor, but the width difference is notable for placement planning.
special features
Edge: COSTWAY 24000 BTU 230V Mini Split
COSTWAY includes a self-cleaning function at 134.6℉ and an iFEEL feature. The iFEEL function allows the remote to sense the temperature at the remote’s location, not just the indoor unit. Nexaro includes anti-mildew protection and Turbo Boost. Both have self-defrost and 24-hour timers. The self-cleaning at high heat on the COSTWAY model helps remove dust and bacteria from the evaporator coil. The anti-mildew feature on Nexaro helps prevent mold growth in humid conditions. Both are useful, but the high-temperature self-clean on COSTWAY offers a more thorough maintenance cycle.
refrigerant type
Edge: Nexaro 12000BTU Mini Split, 19 SEER2
Nexaro uses R32 refrigerant, which is highlighted in its features. COSTWAY specifies a GWP of 675, which corresponds to R454B refrigerant. R32 has a lower global warming potential than R454B. R32 is also easier to handle and recharge by technicians. If environmental impact and future refrigerant availability are priorities, R32 is the superior choice. The data does not explicitly name the refrigerant for COSTWAY, but the GWP confirms it is not R32. For eco-conscious buyers, the Nexaro refrigerant choice is better.
Which mini split suits your space
Large room owners needing high output
Our pick: COSTWAY 24000 BTU 230V Mini Split
The COSTWAY 24000 BTU model delivers twice the cooling power of the Nexaro unit. Its 208-230V inverter compressor handles larger areas effectively. You get 18.5 SEER efficiency for substantial energy savings. The 44.5-inch width accommodates more airflow. This unit is ideal for big living spaces or open floor plans requiring serious temperature control.
Small room users wanting efficiency
Our pick: Nexaro 12000BTU Mini Split, 19 SEER2
The Nexaro 12000 BTU unit offers 19 SEER2 efficiency, slightly higher than the COSTWAY’s 18.5 SEER. It targets rooms up to 750 square feet, making it perfect for smaller spaces. The 32.3-inch width fits compact walls. You benefit from R32 refrigerant with a lower global warming potential. This choice balances performance with energy conservation for modest areas.
Buyers prioritizing warranty coverage
Our pick: COSTWAY 24000 BTU 230V Mini Split
COSTWAY provides an industry-leading warranty structure with 5 years of parts replacement and 8 years of compressor coverage. This long-term protection offers peace of mind for your investment. The Nexaro data does not specify comparable warranty terms. If you plan to keep the unit for many years, the extended compressor coverage on the COSTWAY model is a significant practical advantage.
Users needing flexible voltage options
Our pick: COSTWAY 24000 BTU 230V Mini Split
The COSTWAY brand offers a wider variety of voltage configurations, including 115V options for 9000 BTU and 12000 BTU models. The Nexaro data only lists 230V and one 115V variation. If your home has limited electrical capacity or you need a 115V plug for a smaller unit, the COSTWAY lineup provides more adaptable choices for different circuit requirements.
COSTWAY 24000 BTU 230V Mini Split
Best for: large spaces needing high capacity heating and cooling
- Cooling Capacity
- 24000 BTU
- Coverage Area
- up to 1500 Sq. Ft
- SEER2 Rating
- 18.5 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- remote control
- Operating Modes
- auto, cool, dry, heat, fan
This 24,000 BTU wall-mounted mini split handles both cooling and heating for larger spaces. It runs on 208-230V power with an 18.5 SEER2 inverter system for efficient temperature control. The unit includes five operating modes and four fan speeds to adjust airflow. You get a remote with a timer and a self-cleaning function to maintain the filter. It weighs 68 pounds and measures 44.5 inches wide.
- High 24,000 BTU capacity for large rooms
- 18.5 SEER2 inverter efficiency rating
- Five operating modes including heat and cool
- Self-cleaning function at 134.6°F
- 8-year compressor warranty coverage
- 18.5 SEER2 is lower than the 19 SEER2 on the Nexaro list
- 68-pound weight is heavier than smaller units
- 208-230V requires specific electrical setup
- You need powerful cooling for a large area
- You want a unit with heating capability
- You have a 208-230V electrical circuit
- You only have a standard 115V outlet
- You prefer a lighter, smaller indoor unit
- You want the highest SEER2 rating available
Verdict: COSTWAY 24000BTU Mini Split AC suits buyers who need strong heating and cooling for big rooms and have the right voltage. It trades a slightly lower efficiency rating for higher capacity.
Nexaro 12000BTU Mini Split, 19 SEER2
Best for: medium rooms with 230V power access
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 1,250 sq ft
- SEER2 Rating
- 19
- Voltage
- 230V
- Operating Modes
- Cooling, Heating, Auto, Fan, Dry
- Features
- Inverter
The Nexaro 12000BTU Mini Split Air Conditioner is a 1-ton heat pump designed for rooms up to 750 square feet. It operates on 230V and achieves a 19 SEER2 rating for efficient cooling and heating. This unit features an inverter compressor and R32 refrigerant. It includes five operating modes, four fan speeds, and a 24-hour timer. The indoor unit measures 32.3 inches wide and weighs 68 pounds.
- 19 SEER2 energy efficiency rating for cost-effective operation
- Cools and heats spaces up to 750 square feet
- R32 refrigerant with lower global warming potential
- Five operating modes including cooling, heating, and dry
- Quiet operation with anti-mildew and self-defrost functions
- 12000BTU capacity is lower than the 24000BTU competitor
- Requires a 230V electrical connection, limiting plug-in options
- Heavier indoor unit at 68 pounds compared to lighter models
- You need a heat pump for a medium-sized room
- You have a 230V circuit available for installation
- You want a unit with an inverter compressor for steady temperatures
- You require a 24000BTU unit for large open spaces
- You only have standard 115V outlets available
- You prefer a lighter indoor unit for easy mounting
Verdict: Nexaro 12000BTU Mini Split AC is a solid mid-capacity choice for homeowners with 230V power who need reliable year-round climate control. It suits those prioritizing energy efficiency and quiet operation over maximum cooling power.
Specifications side by side
| Spec | COSTWAY 24000 BTU 230V Mini Split | Nexaro 12000BTU Mini Split, 19 SEER2 |
|---|---|---|
| Cooling Capacity | 24000 BTU | 12,000 BTU |
| Coverage Area | up to 1500 Sq. Ft | Up to 1,250 sq ft |
| SEER2 Rating | 18.5 SEER2 | 19 |
| Voltage | 208-230V | 230V |
| Smart Compatibility | remote control | – |
| Operating Modes | auto, cool, dry, heat, fan | Cooling, Heating, Auto, Fan, Dry |
| Features | Inverter | Inverter |
| Color | White | White |
| Operating Mode | Heater | Heater |
| SEER Rating | – | 19 SEER2 |
| Mounting Type | Wall-Mounted | – |
| Dimensions | 9 × 44.5 × 13 inches | 8.25 × 32.3 × 13 inches |
| Weight | 68 pounds | 68 pounds |
| Size | 24000BTU, 208-230V, 18.5 SEER | 12000BTU, 230V, 19 SEER2 |
| Model | 10153-CYJV | NexaroS180 |
Frequently asked questions
Which mini split is better for large rooms?
The COSTWAY 24000 BTU model is the better choice for large spaces. It delivers significantly higher cooling and heating capacity than the Nexaro unit. This high output makes it suitable for big rooms that require strong climate control. You get robust performance for areas that need more power.
Does the Nexaro unit have a SEER rating?
Yes, the Nexaro 12000 BTU mini split has a 19 SEER2 rating. This figure indicates its energy efficiency during cooling operations. A higher SEER2 number generally means lower electricity usage for the same amount of cooling. It is a solid choice for efficiency-focused buyers.
What voltage do these mini splits require?
Both the COSTWAY and Nexaro units operate on 230V power. You must ensure your home has the correct electrical circuit installed before buying either model. They do not work on standard 110V outlets. Proper voltage is essential for safe and effective operation of these inverter systems.
How wide is the indoor unit for each brand?
The COSTWAY indoor unit measures 44.5 inches in width. The Nexaro unit is narrower, measuring 32.3 inches wide. This difference matters if you have limited wall space. You should measure your installation area to ensure the unit fits properly without blocking other fixtures.
Can these units heat as well as cool?
Yes, both models provide heating and cooling functions. They use inverter technology to manage temperature changes efficiently. The COSTWAY unit is rated for heating, and the Nexaro unit also supports heating mode. You get year-round climate control from either system.
Which model is lighter?
Both units weigh exactly 68 pounds. The weight is identical for the COSTWAY 24000 BTU and the Nexaro 12000 BTU models. This similarity means installation labor requirements are comparable for both. You do not need to worry about one being significantly harder to mount due to weight.
What is the coverage area for the Nexaro?
The Nexaro 12000 BTU unit covers up to 750 square feet. This capacity suits medium-sized rooms. It is not designed for the large spaces that the COSTWAY model handles. You should match the BTU output to your room size for optimal performance.

