6 Best Alternatives to the MERXENG 12000BTU Mini Split (2026)
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The MERXENG 12000 BTU Mini Split offers 19 SEER2 efficiency and quiet operation on standard 115V power. If you are searching for merxeng 12000btu mini split alternatives, you may want a different size or brand. This unit covers 750 square feet and includes self-cleaning features. However, some buyers need less cooling capacity or a different footprint.
We selected these alternatives because their specifications overlap with the original. You might prefer a 9000 BTU model for smaller rooms. Some options focus on budget-friendly pricing or compact dimensions. Others provide similar efficiency ratings with slight variations in voltage or coverage area. Each choice here matches the core needs of the MERXENG unit while offering distinct physical or performance traits. Review the specs to find the best fit for your space.
How alternatives compare to Merxeng
COSTWAY 9000 BTU 115V Mini Split
The COSTWAY 9000 BTU Mini Split targets smaller rooms where the Merxeng 12000 BTU unit would be oversized. It shares the same 19 SEER2 efficiency rating and 115V standard voltage, ensuring similar energy performance. However, the cooling capacity drops to 9000 BTU, making it suitable for spaces under 600 square feet. The indoor unit is also lighter at 23.5 pounds compared to the Merxeng 94 pounds. You should choose this alternative if you need a compact solution for a bedroom or office rather than a larger living area. It maintains the quiet operation and self-cleaning features found in the original.
Mountman 12000 BTU 115V Mini Split
The Mountman 12000 BTU Mini Split offers the same cooling capacity as the Merxeng but with a slightly different voltage specification of 110/120V. It also carries a 19 SEER2 efficiency rating, matching the original performance. The indoor unit dimensions are comparable, though the weight is not listed. This model is designed for standard voltage rooms under 600 square feet, which is a tighter range than the Merxeng 750 square feet coverage. You might prefer this option if you want a budget-friendly choice with similar specs. It lacks the detailed feature list provided by Merxeng but delivers core cooling and heating functions reliably for medium-sized spaces.
MEPTY 9000 BTU Mini Split AC
The MEPTY 9000 BTU Mini Split is a lighter alternative at 18.7 pounds, significantly less than the Merxeng 94 pounds. It operates on 115V power with a 19 SEER2 efficiency rating, identical to the original. The lower 9000 BTU capacity makes it ideal for smaller rooms where the Merxeng would be too powerful. You should consider this model for compact spaces like small bedrooms or dens. It provides efficient cooling and heating without smart features, just like the Merxeng. The trade-off is reduced coverage area, but the lower weight and smaller footprint may suit users with limited installation space or those needing a less intrusive unit.
Tehanld 12000 BTU 19 SEER2 Mini Split
The Tehanld 12000 BTU Mini Split matches the Merxeng in capacity, voltage, and efficiency, offering 19 SEER2 performance on 115V power. It also covers 750 square feet, providing the same room suitability. The indoor unit weighs 89.1 pounds, slightly lighter than the Merxeng 94 pounds. This alternative is a practical choice for homeowners seeking reliable climate control without complex smart features. You might pick this if you find a better price or specific installation requirements. It delivers the same core functionality, including cooling and heating, making it a direct substitute for users who need standard residential performance in medium-sized rooms.
Nexaro 12000 BTU 19 SEER2 Inverter AC
The Nexaro 12000 BTU Mini Split shares the 19 SEER2 efficiency and 115V voltage of the Merxeng, covering up to 750 square feet. It uses R32 refrigerant, which is more environmentally friendly than the unspecified refrigerant in the Merxeng. The indoor unit is much lighter at 25.5 pounds compared to the Merxeng 94 pounds. This model includes an integrated defrost cycle for balanced climate management. You should choose this alternative if you prioritize environmental factors and a lighter indoor unit. It provides similar cooling and heating performance but may appeal to buyers looking for specific refrigerant standards or reduced indoor unit weight.
Uthfy 12000 BTU 115V Mini Split
The Uthfy 12000 BTU Mini Split offers the same 19 SEER2 efficiency and 115V voltage as the Merxeng, covering 750 square feet. It is significantly lighter at 70.4 pounds compared to the Merxeng 94 pounds. This model is designed for standard voltage homes needing reliable 12000 BTU performance. You might select this alternative if you prefer a lighter indoor unit while maintaining the same cooling capacity. It lacks smart home integration, just like the Merxeng, focusing on straightforward climate control. The trade-off is the reduced weight, which may simplify installation, but it provides equivalent efficiency and coverage for medium-sized rooms.
Quick picks
Our 7 picks
MERXENG 12000 BTU Mini Split
Best for: medium rooms needing quiet 115V cooling
- Cooling Capacity
- 12000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 115V
- Coverage Area
- 750 square feet
- Heat Pump
- Heat Pump
- Dimensions
- 35.1 × 16.5 × 28.2 inches
View on Amazon: MERXENG 12000 BTU Mini Split Affiliate link
This 12,000 BTU mini split offers 19 SEER2 efficiency for rooms up to 750 square feet. It operates on standard 115V power and includes both cooling and heating modes. The unit features six working modes, including ECO and turbo settings. Indoor noise stays below 28 decibels. It comes with a remote control and a self-cleaning function. This model suits those needing reliable climate control in medium-sized spaces.
Pros
- 19 SEER2 efficiency rating for energy savings
- Covers up to 750 square feet
- Ultra-quiet operation below 28 decibels
- Six working modes including ECO and turbo
Cons
- Limited to 115V voltage, not 208/240V
- No smart app or Wi-Fi connectivity listed
- Excludes shut-off valves housing and side protection grille
Good fit if
- You need a 12,000 BTU unit for a room up to 750 square feet
- You want a standard 115V plug-in installation
- You prefer quiet operation for bedrooms or living areas
Skip if
- You require smart home integration or app control
- You need a unit for spaces larger than 750 square feet
- You have a 208/240V electrical system and cannot use 115V
Verdict: MERXENG 12000 BTU Mini Split delivers solid 19 SEER2 efficiency and quiet performance for medium rooms. It fits buyers who need a straightforward, energy-efficient 115V heat pump without smart features.
COSTWAY 9000 BTU 115V Mini Split
Best for: small rooms needing 9000 BTU
- Cooling Capacity
- 9,000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 115V
- Coverage Area
- Up to 450 sq. ft.
- Heat Pump
- Heat Pump
- Mounting Type
- Wall Mount
View on Amazon: COSTWAY 9000 BTU 115V Mini Split Affiliate link
This COSTWAY unit delivers 9000 BTU of cooling and heating for spaces up to 450 square feet. It runs on 115V power and achieves a 19 SEER2 efficiency rating. The system uses R32 refrigerant and includes four wind speeds plus 4D auto swing. You get seven operating modes, including sleep and ECO, to tailor comfort. It also features self-cleaning at 135°F and operates quietly at 42 dB on its lowest setting.
Pros
- 19 SEER2 efficiency rating for energy savings
- 7 operating modes including sleep and ECO
- 4D auto swing for wide air distribution
- Self-cleaning function at 135°F
- Quiet operation at 42 dB
Cons
- 9000 BTU capacity is lower than the 12000 BTU alternatives on this list
- Coverage area limited to 450 square feet
- Heavier indoor unit at 23.5 pounds
Good fit if
- You need a smaller 9000 BTU unit for a compact room
- You want 19 SEER2 efficiency on a standard 115V circuit
- You value quiet operation and self-cleaning features
Skip if
- You require 12000 BTU capacity for larger spaces
- You need a unit that covers more than 450 square feet
- You prefer a lighter indoor unit under 20 pounds
Verdict: COSTWAY 9000BTU Mini Split is a compact, efficient choice for smaller rooms where 12000 BTU units would be oversized. It fits buyers who prioritize energy savings and quiet operation in tight spaces.
Mountman 12000 BTU 115V Mini Split
Best for: Standard voltage rooms under 600 sq ft
- Cooling Capacity
- 12,000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 110/120V
- Coverage Area
- Up to 750 sq ft
- Heat Pump
- Heat Pump
- Dimensions
- 8.23 × 32.3 × 11.9 inches
View on Amazon: Mountman 12000 BTU 115V Mini Split Affiliate link
The Mountman 12000 BTU mini split offers 19 SEER2 efficiency on a standard 110/120V circuit. It covers up to 600 square feet with inverter technology. You get four fan speeds, sleep mode, and turbo boost. The unit includes self-cleaning and auto-defrost. It uses R32 refrigerant for eco-friendly operation. This model suits rooms needing reliable cooling and heating without complex installation.
Pros
- 19 SEER2 efficiency rating for energy savings
- Standard 110/120V voltage for easy installation
- Covers up to 600 square feet
- Includes sleep mode at 26dB for quiet operation
- Self-cleaning and auto-defrost functions
Cons
- Smaller coverage area than 750 sq ft competitors
- No smart app or WiFi control listed
- Heavier and bulkier indoor unit dimensions
Good fit if
- You need a 110/120V unit for standard outlets
- You want quiet sleep mode operation
- You prefer low maintenance with self-cleaning
Skip if
- You require WiFi smart home integration
- You need to cool over 600 square feet
- You prefer a 208/230V high-voltage system
Verdict: Mountman 12000 BTU 110/120V Mini Split fits users who want standard voltage and quiet operation. It delivers solid efficiency for medium-sized rooms without smart features.
MEPTY 9000 BTU Mini Split AC
Best for: small rooms needing quiet, efficient cooling
- Cooling Capacity
- 9000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 115V
- Coverage Area
- Up to 450 sq ft
- Heat Pump
- Heat Pump
- Dimensions
- 11.9 × 32.3 × 8.23 inches
View on Amazon: MEPTY 9000 BTU Mini Split AC Affiliate link
The MEPTY 9000BTU mini split offers 19 SEER2 efficiency on a standard 115V circuit. It covers up to 450 square feet with rapid cooling and heating. The unit includes a remote, 24-hour timer, and dehumidifier mode. It runs quietly at 26dB in mute mode. This model suits smaller rooms or spaces where a full 12,000BTU unit is too powerful.
Pros
- 19 SEER2 energy efficiency rating
- Standard 115V electrical connection
- Ultra-quiet 26dB operation in mute mode
- Includes 24-hour timer and remote control
- Covers areas up to 450 square feet
Cons
- Lower 9000BTU capacity than the 12000BTU alternatives
- No Wi-Fi or smart app control listed
- No self-diagnostic display for error codes
Good fit if
- You need cooling for a room under 450 square feet
- You want to avoid upgrading to a 230V circuit
- You prioritize quiet operation in a bedroom or office
Skip if
- You require a 12,000BTU unit for larger spaces
- You need smartphone app control for remote management
- You are installing in a space over 450 square feet
Verdict: The MEPTY 9000BTU 115V Mini Split fits smaller rooms where 12,000BTU units would be oversized. It offers efficient cooling and heating on standard household power without smart features.
Tehanld 12000 BTU 19 SEER2 Mini Split
Best for: standard 115V residential cooling and heating
- Cooling Capacity
- 12,000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 115V
- Coverage Area
- Up to 750 sq. ft.
- Heat Pump
- Heat Pump
- Dimensions
- 8.2 × 32.3 × 11.9 inches
View on Amazon: Tehanld 12000 BTU 19 SEER2 Mini Split Affiliate link
This Tehanld unit delivers 12,000 BTU of cooling and heating for spaces up to 750 square feet. It carries a 19 SEER2 efficiency rating and runs on 115V power. The inverter compressor adjusts speed to match demand, while R32 refrigerant supports eco-friendly operation. You get five modes, four fan speeds, and a sleep timer. It is a solid alternative for those needing standard 115V compatibility and reliable temperature control.
Pros
- 19 SEER2 efficiency rating for energy savings
- 115V electrical requirement for standard outlets
- Inverter technology for consistent temperature control
- R32 refrigerant with lower global warming potential
- Five operation modes including cool, heat, and auto
Cons
- Ships in two separate packages that may arrive at different times
- Requires professional installation
- No smart app or Wi-Fi control mentioned in specifications
Good fit if
- You need a 12,000 BTU unit for a room under 750 square feet
- You prefer 115V power over 230V for easier installation
- You want an inverter system with quiet sleep mode
Skip if
- You require a 230V high-power setup
- You need smart home integration or app control
- You are cooling a space larger than 750 square feet
Verdict: Tehanld 12000 BTU 19 SEER2 Mini Split is a practical choice for homeowners who need reliable 115V cooling and heating without the complexity of smart features. It fits well in standard residential settings where professional installation is already planned.
Nexaro 12000 BTU 19 SEER2 Inverter AC
Best for: single-zone 115V spaces up to 750 square feet
- Cooling Capacity
- 12000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 115V
- Coverage Area
- Up to 750 sq.ft.
- Heat Pump
- Heat Pump
- Dimensions
- 8.21 × 32.3 × 11.9 inches
View on Amazon: Nexaro 12000 BTU 19 SEER2 Inverter AC Affiliate link
This Nexaro mini split delivers 12,000 BTU of cooling and heating with a 19 SEER2 efficiency rating. It runs on a standard 115V electrical connection and covers spaces up to 750 square feet using R32 refrigerant. You get five operating modes, four fan speeds, and an automatic defrost cycle. It fits homeowners conditioning mid-sized living rooms or offices.
Pros
- Runs on a standard 115V electrical supply
- Covers living areas up to 750 square feet
- Uses low-GWP R32 refrigerant
- Features automatic defrost and anti-mildew modes
Cons
- Refrigerant refills require local dealer assistance
- The 32.3-inch indoor cabinet width requires ample clear wall space
Good fit if
- You need a 12,000 BTU system that runs on standard 115V power.
- You want to condition an area up to 750 square feet.
- You prefer equipment running on R32 refrigerant.
Skip if
- You already have a dedicated 230V circuit wired for climate control.
- You require an efficiency rating higher than 19 SEER2.
Verdict: Nexaro 12000 BTU 115V Heat Pump Mini Split serves buyers needing 115V installation convenience for spaces up to 750 square feet. Its integrated defrost cycle and R32 refrigerant provide balanced climate management throughout the seasons.
Uthfy 12000 BTU 115V Mini Split
Best for: Standard voltage homes needing 12000 BTU
- Cooling Capacity
- 12000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 115V
- Coverage Area
- Up to 750 sq. ft.
- Heat Pump
- Heat pump
- Dimensions
- 11.9 × 32.3 × 8.23 inches
View on Amazon: Uthfy 12000 BTU 115V Mini Split Affiliate link
The Uthfy 12000 BTU Mini Split offers 19 SEER2 efficiency and 115V power for spaces up to 750 square feet. It includes a remote control, 24-hour timer, and auto maintenance features like self-cleaning. This unit provides cooling, heating, and dehumidifying modes. It suits homeowners seeking a reliable, energy-efficient ductless system for medium-sized rooms without complex smart home integration.
Pros
- 19 SEER2 energy efficiency rating
- 115V standard electrical connection
- Covers up to 750 square feet
- Includes remote control with auto-dimming screen
- Features 24-hour timer and ECO mode
Cons
- No Wi-Fi or app control mentioned
- Indoor unit width is 32.3 inches
- Limited to four fan speed levels
Good fit if
- You need 115V power compatibility
- You want a 12000 BTU capacity
- You prefer a remote-controlled unit
Skip if
- You require smart app integration
- You need a 230V connection
- You have a space over 750 sq ft
Verdict: Uthfy 12000 BTU Mini Split is a solid option for users who prioritize energy efficiency and standard voltage. It delivers reliable climate control for medium rooms without requiring smart home infrastructure.
Specifications side by side
| Spec | MERXENG 12000 BTU Mini Split | COSTWAY 9000 BTU 115V Mini Split | Mountman 12000 BTU 115V Mini Split | MEPTY 9000 BTU Mini Split AC | Tehanld 12000 BTU 19 SEER2 Mini Split | Nexaro 12000 BTU 19 SEER2 Inverter AC | Uthfy 12000 BTU 115V Mini Split |
|---|---|---|---|---|---|---|---|
| Cooling Capacity | 12000 BTU | 9,000 BTU | 12,000 BTU | 9000 BTU | 12,000 BTU | 12000 BTU | 12000 BTU |
| Efficiency Rating | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 |
| Voltage | 115V | 115V | 110/120V | 115V | 115V | 115V | 115V |
| Coverage Area | 750 square feet | Up to 450 sq. ft. | Up to 750 sq ft | Up to 450 sq ft | Up to 750 sq. ft. | Up to 750 sq.ft. | Up to 750 sq. ft. |
| Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat pump |
| Mounting Type | not specified | Wall Mount | not specified | not specified | not specified | not specified | not specified |
| Dimensions | 35.1 × 16.5 × 28.2 inches | 8 × 31.2 × 11.5 inches | 8.23 × 32.3 × 11.9 inches | 11.9 × 32.3 × 8.23 inches | 8.2 × 32.3 × 11.9 inches | 8.21 × 32.3 × 11.9 inches | 11.9 × 32.3 × 8.23 inches |
| Weight | 94 pounds | 23.5 pounds | not specified | 18.7 pounds | 89.1 pounds | 25.5 pounds | 70.4 pounds |
| Size | 12000 BTU | 9000BTU, 115V, 19 SEER2 | 12000-110/120 | not specified | 12000BTU-115V-19SEER2 | 12000BTU, 115V, 19 SEER2 | not specified |
| Color | White | White | not specified | White | White | White | White |
| Model | a07-prpTDDUwE9jbxo6o-0m | 10153-CYJV | 12000BTU-115V | HY09GWH115-1 | T-MINI SPLIT AC-1 | NexaroS121 | HY-DKT12-115 |
Frequently asked questions
Can I use a 9000 BTU unit instead of the 12000 BTU MERXENG?
Yes, if your room is smaller than 750 square feet. The COSTWAY and MEPTY models provide 9000 BTU of cooling. This capacity prevents oversized units from short cycling. You save energy by matching the output to the actual space. These models also run on standard 115V power.
Do these alternatives offer the same 19 SEER2 efficiency as the Merxeng?
Most listed alternatives share this high efficiency rating. The COSTWAY, Mountman, MEPTY, Tehanld, Nexaro, and Uthfy models all feature 19 SEER2. This metric indicates lower energy consumption for the same cooling output. You get comparable performance without sacrificing power. The MERXENG itself also maintains this 19 SEER2 standard.
Are all these mini splits compatible with standard 115V outlets?
Yes, every alternative on this list operates on 115V. This includes the MERXENG, COSTWAY, Mountman, MEPTY, Tehanld, Nexaro, and Uthfy units. You do not need a dedicated 230V circuit for installation. This makes them easier to install in existing homes. You can use standard household electrical infrastructure.
Which alternative is best for a small bedroom or office?
The COSTWAY 9000 BTU or MEPTY 9000 BTU models are ideal. They provide sufficient cooling for tight spaces without overcooling. Both units are compact and lightweight. The MEPTY weighs only 18.7 pounds. The COSTWAY is also very light at 23.5 pounds. These sizes fit easily into smaller rooms.
How do the dimensions of these units compare to the Merxeng?
Indoor unit dimensions vary slightly but remain similar. The MERXENG is 16.5 inches wide. Most alternatives like the Mountman and Nexaro are 32.3 inches wide. The height and length are generally consistent across brands. You should check the specific width if you have a narrow mounting area. All units are white.
Do any of these models include smart home features?
The provided data does not list smart features for any of these units. The MERXENG, COSTWAY, Mountman, MEPTY, Tehanld, Nexaro, and Uthfy models are described as straightforward options. They focus on core cooling and heating functions. You will not find app control or Wi-Fi connectivity in these specifications. They rely on standard remote controls.
Is the Nexaro model suitable for larger rooms up to 750 square feet?
Yes, the Nexaro 12000 BTU model covers up to 750 square feet. It matches the coverage area of the MERXENG. The Nexaro uses R32 refrigerant for efficient climate management. It also includes an integrated defrost cycle. This makes it a strong alternative for medium-sized spaces requiring reliable heating and cooling.
What is the weight difference between the lightest and heaviest units?
The MEPTY model is the lightest at 18.7 pounds. The MERXENG is the heaviest at 94 pounds. This difference matters for installation effort. Lighter units like the MEPTY and COSTWAY are easier to handle. Heavier units like the MERXENG may require more support during mounting. Always check the weight before planning your installation.