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Looking Beyond the LITHZEN 12000 BTU Mini Split? 6 Alternatives Worth a Look

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If you are looking beyond the LITHZEN 12000 BTU mini split alternatives, you likely want to compare specs before buying. This LITHZEN unit offers 18.1 SEER2 efficiency and smart Wi-Fi control for rooms up to 600 sq. ft. It runs on 230V power and includes features like 23 dB quiet operation and R32 refrigerant. Some buyers may prefer different coverage areas, higher efficiency ratings, or alternative voltage options.

We selected 6 alternatives that share key specifications with the original LITHZEN model. Each option overlaps in areas like smart connectivity, inverter technology, or heating capacity. You might choose a different brand if you need a higher SEER2 score, such as the 21 SEER2 COSTWAY model. Other users may prioritize a larger coverage area or a specific budget tier. This list helps you find a unit that matches your exact technical requirements rather than just brand loyalty.

Our top pick: LITHZEN 12000 BTU 230V Mini Split.

How these alternatives compare

COSTWAY 9000 BTU Mini Split 21 SEER2

The COSTWAY 9000 BTU model prioritizes efficiency over raw power. It offers 21 SEER2, which is higher than the LITHZEN unit's 18.1 SEER2 rating. This makes it a better choice for smaller rooms where you do not need 12,000 BTUs of cooling. It also uses Wi-Fi for smart control, similar to the LITHZEN. However, you sacrifice capacity. The lower BTU count means it will not cool larger spaces as effectively. If your room is under 400 sq. ft., this higher efficiency rating helps reduce energy use. You get a compact indoor unit that fits tight spaces. The trade-off is less heating power in very cold conditions. Choose this if efficiency matters more than maximum output.

ROVSUN 12000 BTU 230V Mini Split

The ROVSUN 12000 BTU split offers 20 SEER2 efficiency, beating the LITHZEN's 18.1 SEER2. It maintains the same cooling capacity but uses energy more effectively. Like the LITHZEN, it includes Wi-Fi for app control. The indoor unit is slightly taller at 11.5 inches compared to 11.3 inches. The outdoor unit is significantly heavier, weighing 70 pounds versus 17.6 pounds. This suggests a more robust compressor or heat exchanger. You gain better efficiency and potentially quieter operation. You give up the specific chassis electrical heating feature mentioned for the LITHZEN. If you want higher efficiency without changing your voltage setup, this is a strong alternative. It suits buyers who value smart features and steady performance.

YITAHOME 12000 BTU 230V Mini Split

The YITAHOME 12000 BTU model has a lower efficiency rating of 17 SEER2 compared to the LITHZEN's 18.1 SEER2. It matches the cooling capacity and uses 230V power with Wi-Fi control. The indoor unit is slightly narrower at 31.2 inches. The outdoor unit weighs 21.1 pounds, which is heavier than the LITHZEN's 17.6 pounds. You pay less for this unit, but you get lower energy efficiency. The smart features are comparable, allowing app and voice control. This model fits buyers who prioritize budget and basic smart connectivity over peak efficiency scores. It is a practical choice for standard rooms. The difference in SEER2 means slightly higher operating costs over time. Choose this if upfront cost is your main driver.

YITAHOME 12K BTU 20 SEER2 Mini Split

This YITAHOME 12K BTU unit offers 20 SEER2 efficiency, which is higher than the LITHZEN's 18.1 SEER2. It provides the same 12,000 BTU cooling capacity and runs on 230V power. It includes Wi-Fi for smart control, matching the LITHZEN's connectivity. The indoor unit is shorter at 10.6 inches, making it suitable for lower ceiling mounts. The outdoor unit is heavy at 68.3 pounds, indicating a durable build. You gain better energy efficiency and a more compact indoor profile. You may lose the specific heating features detailed for the LITHZEN. This model suits users who want high efficiency and smart control in a heavy-duty package. It is ideal for homes with 208-230V wiring seeking reliable performance. The higher SEER2 rating helps lower long-term energy bills.

YITAHOME 12000 BTU 230V Mini Split

The YITAHOME 12000 BTU 230V model has a lower efficiency rating of 17.5 SEER2 than the LITHZEN's 18.1 SEER2. It matches the cooling capacity and includes Wi-Fi and Alexa compatibility. The indoor unit is larger, measuring 34.7 inches wide and 14.6 inches tall. The outdoor unit is the heaviest on this list at 75.2 pounds. You get robust construction and smart control features. You sacrifice efficiency and indoor unit size. The larger indoor unit may not fit in tighter spaces. This model fits buyers who prioritize smart connectivity and certification over peak efficiency. It is a solid mid-tier option for spaces where 230V power is standard. The lower SEER2 means slightly higher energy use. Choose this if you need Alexa integration and have space for a larger unit.

Garvee 12000 BTU 21 SEER2 Mini Split

The Garvee 12000 BTU unit offers 21 SEER2 efficiency, significantly higher than the LITHZEN's 18.1 SEER2. It covers up to 750 sq. ft., which is larger than the LITHZEN's 600 sq. ft. rating. It uses 230V power and includes Wi-Fi and Alexa control. The indoor unit is taller at 36 inches, which is unusual for a wall-mounted split. The outdoor unit weighs 55 pounds. You gain higher efficiency and a larger coverage area. You give up the standard indoor unit size and specific heating features of the LITHZEN. This model suits large rooms needing smart features. It fits well if you have 230V power and want quiet operation. The higher SEER2 and larger coverage make it ideal for bigger spaces. Choose this if you need maximum efficiency and coverage.

Quick picks

#ProductBest forPrice
1 LITHZEN 12000 BTU 230V Mini Split Best overall smart control and stable inverter performance Check price of LITHZEN 12000 BTU 230V Mini Split on Amazon
2 COSTWAY 9000 BTU Mini Split 21 SEER2 Also great smaller rooms needing high efficiency Check price of COSTWAY 9000 BTU Mini Split 21 SEER2 on Amazon
3 ROVSUN 12000 BTU 230V Mini Split Best premium small rooms needing smart control Check price of ROVSUN 12000 BTU 230V Mini Split on Amazon
4 YITAHOME 12000 BTU 230V Mini Split Best budget budget-conscious smart home users Check price of YITAHOME 12000 BTU 230V Mini Split on Amazon
5 YITAHOME 12K BTU 20 SEER2 Mini Split Also great Efficient cooling and heating with smart control Check price of YITAHOME 12K BTU 20 SEER2 Mini Split on Amazon
6 YITAHOME 12000 BTU 230V Mini Split Also great Smart control users with 230V power Check price of YITAHOME 12000 BTU 230V Mini Split on Amazon
7 Garvee 12000 BTU 21 SEER2 Mini Split large rooms up to 750 sq ft Check price of Garvee 12000 BTU 21 SEER2 Mini Split on Amazon

Our 7 picks

Best overall

LITHZEN 12000 BTU 230V Mini Split

Best for: smart control and stable inverter performance

Cooling Capacity
12000 BTU
Efficiency Rating
18.1 SEER2
Voltage
208/230V
Coverage Area
Up to 600 Sq. Ft
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa, Google Assistant

View on Amazon: LITHZEN 12000 BTU 230V Mini Split Affiliate link

This LITHZEN mini split delivers 12,000 BTU of cooling and heating for spaces up to 600 sq. ft. It operates on 208/230V power with an 18.1 SEER2 efficiency rating. The system includes smart control via WiFi and voice assistants. It also features a 23 dB noise level and R32 refrigerant for environmental efficiency. You get a comprehensive set of modes and fan speeds for precise comfort control.

Pros

  • 12,000 BTU cooling and heating capacity
  • 18.1 SEER2 energy efficiency rating
  • WiFi and voice control support
  • 23 dB quiet operation
  • R32 refrigerant with low GWP

Cons

  • 18.1 SEER2 is lower than the 21 SEER2 ratings found on other options
  • Requires professional installation
  • Coverage limited to 600 sq. ft.

Good fit if

  • You need smart control via Alexa or Google Assistant
  • You have a 208/230V electrical setup
  • You want quiet operation at 23 dB

Skip if

  • You require the highest efficiency rating of 21 SEER2
  • You need to cool a space larger than 600 sq. ft.
  • You are looking for a 115V plug-in unit

Verdict: LITHZEN 12000 BTU Mini Split suits buyers who prioritize smart connectivity and stable inverter performance over peak efficiency scores. It is a solid option for medium-sized rooms with compatible voltage.

Also great

COSTWAY 9000 BTU Mini Split 21 SEER2

Best for: smaller rooms needing high efficiency

Cooling Capacity
9000 BTU
Efficiency Rating
21 SEER2
Voltage
208/230V
Coverage Area
Up to 450 Sq. Ft
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa, Google Assistant, App

View on Amazon: COSTWAY 9000 BTU Mini Split 21 SEER2 Affiliate link

The COSTWAY 9000 BTU mini split offers 21 SEER2 efficiency and 208/230V compatibility. It covers up to 450 sq.ft with 4D airflow and 7 modes. You get Wi-Fi app control, voice assistant support, and quiet 28 dB operation. This unit suits smaller rooms needing precise climate control and smart features.

Pros

  • 21 SEER2 energy efficiency rating
  • 208/230V voltage compatibility
  • Wi-Fi and voice control support
  • 28 dB whisper-quiet operation
  • 4D airflow design

Cons

  • 9000 BTU capacity is lower than the 12000 BTU alternatives
  • Smaller coverage area of 450 sq.ft
  • Higher initial voltage requirement may not fit all homes

Good fit if

  • You need high efficiency for a smaller room
  • You want smart app and voice control
  • You have 208/230V electrical supply

Skip if

  • You need 12000 BTU for larger spaces
  • You only have standard 115V outlets
  • You prefer simpler manual controls

Verdict: COSTWAY 9000 BTU 21 SEER2 Mini Split is ideal for smaller rooms where efficiency and smart control matter more than raw cooling power.

Best premium

ROVSUN 12000 BTU 230V Mini Split

Best for: small rooms needing smart control

Cooling Capacity
12000 BTU
Efficiency Rating
20 SEER2, 20 SEER
Voltage
230V
Coverage Area
Up to 550 sq.ft.
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, App, Alexa, Google Assistant

View on Amazon: ROVSUN 12000 BTU 230V Mini Split Affiliate link

This ROVSUN unit offers 12,000 BTU cooling and heating for spaces up to 550 square feet. It runs on 230V power and achieves a 20 SEER2 efficiency rating. The system includes Wi-Fi connectivity for app and voice control. It operates quietly at 28dB in mute mode. This model suits users who want smart features and solid energy savings in a compact package.

Pros

  • 20 SEER2 efficiency rating for energy savings
  • Wi-Fi and voice control via Alexa and Google Assistant
  • Ultra-quiet 28dB operation in mute mode
  • 230V voltage for standard residential use

Cons

  • Smaller 550 square foot coverage area than competitors
  • Heavier 70-pound indoor unit
  • Requires professional installation and extra power cord

Good fit if

  • You need smart app and voice control
  • You want quiet operation for bedrooms
  • You have a 230V electrical circuit

Skip if

  • You need to cool more than 550 square feet
  • You require 115V plug-in power
  • You want a lighter unit for easy mounting

Verdict: ROVSUN 12000 BTU Wi-Fi Mini Split delivers smart convenience and quiet comfort for small rooms. It fits buyers who prioritize app control and energy efficiency over raw cooling power.

Best budget

YITAHOME 12000 BTU 230V Mini Split

Best for: budget-conscious smart home users

Cooling Capacity
12,000 BTU
Efficiency Rating
17 SEER2
Voltage
208-230V
Coverage Area
Up to 750 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa

View on Amazon: YITAHOME 12000 BTU 230V Mini Split Affiliate link

The YITAHOME 12000 BTU Mini Split offers 17 SEER2 efficiency and 230V power for 750 sq ft spaces. It includes Wi-Fi and Alexa control, quiet operation under 41 dB, and a 5°F to 118°F operating range. While it lacks the top-tier 21 SEER2 ratings of some competitors, its solid inverter performance and smart features make it a practical budget option for year-round heating and cooling.

Pros

  • 17 SEER2 efficiency rating for energy savings
  • Wi-Fi and Alexa smart control compatibility
  • Quiet operation at under 41 dB
  • Wide operating temperature range (5°F to 118°F)

Cons

  • Lower 17 SEER2 efficiency compared to 20-21 SEER2 competitors
  • Heavier indoor unit at 21.1 pounds
  • Smaller 750 sq ft coverage area

Good fit if

  • You need smart control via Wi-Fi or Alexa
  • You want quiet operation under 41 dB
  • You have a 750 sq ft space to cool

Skip if

  • You require the highest 21 SEER2 efficiency rating
  • You need to cool a space larger than 750 sq ft
  • You prefer lighter indoor units under 20 pounds

Verdict: YITAHOME 12000 BTU 17 SEER2 Mini Split fits buyers who prioritize smart features and quiet operation over peak efficiency ratings.

Also great

YITAHOME 12K BTU 20 SEER2 Mini Split

Best for: Efficient cooling and heating with smart control

Cooling Capacity
12000 BTU
Efficiency Rating
20 SEER2
Voltage
208-230V
Coverage Area
Up to 750 sq ft
Heat Pump
Heat Pump
Smart Control
Wi-Fi

View on Amazon: YITAHOME 12K BTU 20 SEER2 Mini Split Affiliate link

This YITAHOME unit offers 12,000 BTU cooling and heating with a 20 SEER2 efficiency rating. It runs on 208-230V power and covers up to 750 square feet. The system includes Wi-Fi control, six operating modes, and operates quietly at 25 dB in sleep mode. It handles temperatures from -4°F to 122°F. You get reliable inverter performance with 4D air circulation for even distribution. It is a solid option for medium-sized rooms needing efficient climate control.

Pros

  • 20 SEER2 efficiency rating for energy savings
  • Wi-Fi connectivity for mobile control
  • Quiet operation at 25 dB in sleep mode
  • Operates in temperatures from -4°F to 122°F

Cons

  • Smaller 10.6-inch depth compared to some competitors
  • Heavier indoor unit at 68.3 pounds
  • Requires professional installation by licensed HVAC pro

Good fit if

  • You need a 208-230V unit for better efficiency
  • You want Wi-Fi smart control features
  • You are cooling a space up to 750 sq. ft.

Skip if

  • You require a 115V standard outlet only
  • You need a unit lighter than 68.3 pounds
  • You prefer a self-installation process

Verdict: YITAHOME 12000 BTU 20 SEER2 Mini Split suits users who value high efficiency and smart control in a compact, heavy-duty package. It fits well in homes with 208-230V wiring seeking quiet, reliable performance.

Also great

YITAHOME 12000 BTU 230V Mini Split

Best for: Smart control users with 230V power

Cooling Capacity
12000 BTU
Efficiency Rating
17.5 SEER2
Voltage
230V
Coverage Area
750 square feet
Heat Pump
Heat Pump
Smart Connectivity
Wifi, Alexa, Google Home

View on Amazon: YITAHOME 12000 BTU 230V Mini Split Affiliate link

The YITAHOME 12000 BTU Mini Split offers 17.5 SEER2 efficiency on a 230V circuit. It covers 750 square feet with a 50-foot airflow distance. The unit includes Wi-Fi, Alexa, and Google Home support. It features 4D auto swing and iFeel technology. This system is ETL and AHRI certified for reliable performance. It suits spaces needing quiet operation with smart controls.

Pros

  • 17.5 SEER2 efficiency rating
  • Wi-Fi and voice control compatibility
  • 4D auto swing air circulation
  • ETL and AHRI certified

Cons

  • Lower 17.5 SEER2 efficiency compared to 20-21 SEER2 alternatives
  • 25-50 decibel noise range is higher than premium quiet models
  • Requires 230V circuit, limiting placement options

Good fit if

  • You need Wi-Fi and voice control features
  • You have a 230V electrical circuit available
  • You want ETL and AHRI certification

Skip if

  • You require the highest 21 SEER2 efficiency
  • You only have a 115V outlet
  • You need ultra-quiet 25 decibel operation only

Verdict: YITAHOME 12000 BTU 230V Mini Split is a solid mid-tier option for users who prioritize smart connectivity and certification over peak efficiency. It fits well in spaces where 230V power is standard and 17.5 SEER2 is sufficient.

Garvee 12000 BTU 21 SEER2 Mini Split

Best for: large rooms up to 750 sq ft

Cooling Capacity
12,000 BTU
Efficiency Rating
21 SEER2
Voltage
208-230V
Coverage Area
Up to 750 sq ft
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa, GoogleHome, App Control

View on Amazon: Garvee 12000 BTU 21 SEER2 Mini Split Affiliate link

This Garvee mini split delivers 12,000 BTU of cooling and heating for spaces up to 750 square feet. It features a 21 SEER2 efficiency rating and operates on 230V power. The unit includes built-in WiFi for app control and voice commands via Alexa or Google Home. It also offers a 28 dBa sleep mode and 4D airflow for quiet, even climate control in larger rooms.

Pros

  • 21 SEER2 energy efficiency rating
  • Built-in WiFi and app control
  • Compatible with Alexa and Google Home
  • Ultra-quiet 28 dBa sleep mode
  • Covers areas up to 750 sq ft

Cons

  • Requires 230V electrical connection
  • Indoor unit is 36 inches tall
  • No 115V option for this specific model

Good fit if

  • You need cooling for a large room up to 750 sq ft
  • You have a 230V outlet available for installation
  • You want smart app and voice control features

Skip if

  • You only have standard 115V outlets
  • You need a unit for a space larger than 750 sq ft
  • You prefer a shorter indoor unit for low ceilings

Verdict: Garvee 12000 BTU 21 SEER2 Mini Split is a high-efficiency choice for large rooms needing smart features. It fits well if you have 230V power and want quiet operation with app control.

Specifications side by side

Spec LITHZEN 12000 BTU 230V Mini Split COSTWAY 9000 BTU Mini Split 21 SEER2 ROVSUN 12000 BTU 230V Mini Split YITAHOME 12000 BTU 230V Mini Split YITAHOME 12K BTU 20 SEER2 Mini Split YITAHOME 12000 BTU 230V Mini Split Garvee 12000 BTU 21 SEER2 Mini Split
Cooling Capacity 12000 BTU 9000 BTU 12000 BTU 12,000 BTU 12000 BTU 12000 BTU 12,000 BTU
Efficiency Rating 18.1 SEER2 21 SEER2 20 SEER2, 20 SEER 17 SEER2 20 SEER2 17.5 SEER2 21 SEER2
Voltage 208/230V 208/230V 230V 208-230V 208-230V 230V 208-230V
Coverage Area Up to 600 Sq. Ft Up to 450 Sq. Ft Up to 550 sq.ft. Up to 750 sq ft Up to 750 sq ft 750 square feet Up to 750 sq ft
Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump
Smart Connectivity WiFi, Alexa, Google Assistant WiFi, Alexa, Google Assistant, App Wi-Fi, App, Alexa, Google Assistant Wi-Fi, Alexa not specified Wifi, Alexa, Google Home WiFi, Alexa, GoogleHome, App Control
Smart Control Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi Wi-Fi, Alexa Wi-Fi Wi-Fi, Alexa Wi-Fi, Alexa
Dimensions 7.7 × 32.1 × 11.3 inches 7.48 × 31.9 × 12.1 inches 7.99 × 31.9 × 11.5 inches 7.9 × 31.2 × 11.5 inches 8.1 × 31.7 × 10.6 inches 11.4 × 34.7 × 14.6 inches 32 × 14 × 36 inches
Weight 17.6 pounds 19.8 pounds 70 pounds 21.1 pounds 68.3 pounds 75.2 pounds 55 pounds
Color White White White White White White White
Model 11062-FPCY Blast Pro RV12T2/19-I/RV12T2/19-O MAYIHNONuN MAYIHbWUxi MAYIHMNsI7 375HT4VS
Size not specified not specified not specified not specified not specified not specified 12000BTU 21 SEER2 230V

Frequently asked questions

Which 12000 BTU mini split is best for large rooms?

The Garvee 12000 BTU 21 SEER2 Mini Split is designed for spaces up to 750 square feet. It offers high efficiency and smart control via Wi-Fi and Alexa. This unit runs on 230V power and is ideal if you need quiet operation for a larger area.

What is the most efficient 9000 BTU option available?

The COSTWAY 9000 BTU Mini Split 21 SEER2 provides the highest efficiency in its class with a 21 SEER2 rating. It includes Wi-Fi smart control and runs on 230V power. This makes it a strong choice for smaller rooms where energy savings matter more than raw cooling capacity.

Are there budget-friendly mini splits with smart features?

The YITAHOME 12000 BTU 17 SEER2 Mini Split is marked as the best budget option. It includes Wi-Fi smart control and offers quiet operation. While its efficiency is lower than premium models, it suits buyers who want smart home integration without paying for peak performance ratings.

Which model supports Alexa voice control?

The YITAHOME 12000 BTU 230V Mini Split and the Garvee 12000 BTU 21 SEER2 Mini Split both support Alexa. The YITAHOME unit also includes standard Wi-Fi control. These models allow you to manage settings through voice commands, adding convenience for smart home users.

Do these alternatives require 230V power?

Yes, all listed alternatives, including the LITHZEN, COSTWAY, ROVSUN, YITAHOME, and Garvee models, require 230V power. This voltage is standard for many mini split installations. Ensure your home wiring supports 230V before purchasing any of these units to guarantee compatibility and safe operation.

Which mini split is best for small rooms?

The ROVSUN 12000 BTU 230V Mini Split is labeled as best for small rooms needing smart control. It offers 20 SEER2 efficiency and Wi-Fi connectivity. This unit prioritizes app control and energy efficiency, making it suitable for buyers who want quiet comfort in compact spaces.

How do the dimensions of these units compare?

Indoor unit widths range from 31.2 inches for the YITAHOME MAYIHNONuN to 34.7 inches for the YITAHOME MAYIHMNsI7. Heights vary from 10.6 inches to 14.6 inches. The Garvee model has a unique orientation with a 36-inch height. Check these specs to ensure the unit fits your wall space.

Is there a high-efficiency option for 208-230V homes?

The YITAHOME 12K BTU 20 SEER2 Mini Split is ideal for homes with 208-230V wiring. It offers high efficiency and smart control in a compact package. This model suits users seeking quiet, reliable performance with a 20 SEER2 rating, balancing power and energy savings effectively.