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Finding the best 19 SEER2 mini split air conditioners requires checking the exact specifications on each listing. We compared 15 units ranked by their published data. The Rellytech 18000 BTU 230V Mini Split leads because its 19 SEER2 rating ensures high efficiency for medium rooms. Every pick in this guide relies strictly on the specs provided by the manufacturers. This approach helps you avoid guesswork when selecting a unit. You can decide which model fits your room size and power needs based on clear, factual comparisons.
Match voltage and coverage to your room
Most units here require 230V power and cover 1,250 square feet. Check your outlet first. The Uthfy model uses 115V for standard plugs. If you need higher capacity, the Della 36k BTU handles 2,500 square feet. Verify your circuit voltage and room size before buying to ensure the unit fits your electrical setup and space.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Rellytech 18000 BTU 230V Mini Split Best overall | medium rooms needing 230V efficiency | |
| 2 | Albott 18k BTU 230V Mini Split Best offices | offices requiring 208-230V power | |
| 3 | COSTWAY 23000 BTU Mini Split Best 23,000 btu | large rooms with 208-230V power | |
| 4 | Mountman 12000 BTU 230V Mini Split Best budget | small rooms with 208-230V circuits | |
| 5 | YITAHOME 18000 BTU 19 SEER2 Mini Split Also great | medium rooms needing smart climate control | |
| 6 | Temprium 24000 BTU Mini Split Also great | large rooms needing 24k BTU cooling | |
| 7 | Della Vario 36k BTU 19 SEER2 Best premium | Large spaces needing high BTU output | |
| 8 | Pioneer Diamante Pro 36000 BTU Also great | large spaces needing high capacity cooling | |
| 9 | MEPTY 18000 BTU 19 SEER2 Mini Split Also great | medium rooms with 230V power | |
| 10 | Garvee 18000 BTU 19 SEER2 Mini Split Best remote | medium rooms needing quiet smart control | |
| 11 | Kinetheme 12000 BTU 19 SEER2 Mini Split Also great | medium rooms with 230V power | |
| 12 | Tehanld 12000 BTU 230V Mini Split Also great | 230V circuits and 750 sq ft rooms | |
| 13 | Nexaro 12000BTU Mini Split, 19 SEER2 Also great | small rooms with 230V power access | |
| 14 | Uthfy 12000 BTU 115V Mini Split Best 115v | Standard 115V outlet compatibility | |
| 15 | Mountman 12000 BTU 230V Mini Split Also great | small rooms up to 750 square feet |
The best fit for you
- You need the best overall efficiency for medium rooms – Rellytech 18000 BTU 230V Mini Split – This 18,000 BTU unit covers 1,250 square feet with a 19 SEER2 rating and 230V power.
- You want the most compact model on the list – Mountman 12000 BTU 230V Mini Split – It measures 32.3 by 11.9 by 8.23 inches, making it the smallest footprint here.
- You require standard 115V outlet compatibility for small rooms – Uthfy 12000 BTU 115V Mini Split – This is the only 115V option, covering up to 750 square feet efficiently.
- You need high capacity cooling for large spaces – Della Vario 36k BTU 19 SEER2 – The 36,000 BTU output conditions up to 2,500 square feet with 19 SEER2 efficiency.
- You want smart climate control with voice assistance – YITAHOME 18000 BTU 19 SEER2 Mini Split – It includes Wi-Fi app control and Alexa compatibility for a 1,250 square foot room.
Rellytech 18000 BTU 230V Mini Split
Best for: medium rooms needing 230V efficiency
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 18,000 BTU
- Coverage Area
- Up to 1,250 sq. ft.
- SEER2 Rating
- 19
- Voltage
- 208-230V
- Operating Modes
- Cooling, heating, fan, dry
This Rellytech mini split delivers 18,000 BTU of cooling and 18,400 BTU of heating for spaces up to 1,250 square feet. It operates on 230V power with a 19 SEER2 efficiency rating. The unit includes four fan speeds, a 90-degree vertical swing, and an ECO mode to manage energy use. It is a solid choice for homeowners seeking reliable year-round climate control in medium-sized rooms or offices.
- 18,000 BTU cooling capacity
- 19 SEER2 energy efficiency rating
- 90-degree vertical airflow swing
- ECO mode for optimized energy use
- Heavier build at 112 pounds
- Smaller coverage area of 1,250 sq. ft.
- Fewer operating modes than premium units
- You need a 230V system for a 1,250 sq. ft. space
- You want efficient cooling with a 19 SEER2 rating
- You prefer a unit with vertical airflow adjustment
- You require a larger 1,500 sq. ft. coverage area
- You only have 115V electrical outlets available
- You need a lighter unit under 100 pounds
Verdict: Rellytech 18000 BTU 19 SEER2 Mini Split suits those who need a sturdy, efficient 230V system for medium rooms. It provides reliable heating and cooling without the bulk of larger tonnage units.
Albott 18k BTU 230V Mini Split
Best for: offices requiring 208-230V power
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 18,000 BTU
- Coverage Area
- Up to 1,250 sq ft
- SEER2 Rating
- 19
- Voltage
- 208-230V
- Operating Modes
- Cooling, heating, dehumidifying, fan
This Albott ductless mini split delivers 18,000 BTU of cooling and heating power for spaces up to 1,250 square feet. It operates on 208-230V power with a 19 SEER2 efficiency rating. The unit includes an inverter compressor for stable performance in temperatures ranging from -4°F to 140°F. It features self-cleaning technology and quiet operation. This model is designed for home offices and small commercial rooms.
- 18,000 BTU capacity for medium-sized rooms
- 19 SEER2 energy efficiency rating
- Operates on 208-230V power
- Self-cleaning function with 135°F heat cycle
- Inverter compressor for stable performance
- 151-pound weight is heavier than lighter 12,000 BTU competitors
- 18,000 BTU output is lower than 24,000 or 36,000 BTU models
- 1,250 sq. ft. coverage is smaller than larger capacity units
- You need a 208-230V system for an office
- You want to cool or heat up to 1,250 square feet
- You prefer a unit with self-cleaning technology
- You require more than 18,000 BTU of power
- You need a 115V plug-in unit
- You are cooling a space larger than 1,250 square feet
Verdict: Albott 18000 BTU 19 SEER2 Mini Split provides reliable climate control for offices needing 208-230V power and moderate cooling capacity. It suits buyers prioritizing efficiency and self-maintenance over raw power.
COSTWAY 23000 BTU Mini Split
Best for: large rooms with 208-230V power
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 23000 BTU
- Coverage Area
- 1500 sq ft
- SEER2 Rating
- 19 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- Remote control
This 23,000 BTU mini split handles cooling and heating for spaces up to 1,500 square feet. It delivers 19 SEER2 cooling efficiency and 8.5 HSPF2 heating performance. The unit operates on 208-230V power and includes 7 modes with 5 fan speeds. You get 4D airflow swing and a remote with a 26-foot range. It runs quietly at 23 dB and features self-cleaning capabilities for easy maintenance.
- 19 SEER2 cooling efficiency rating
- 23,000 BTU cooling capacity
- 24,000 BTU heating output
- Ultra-quiet 23 dB operation
- 4D airflow swing feature
- Heavier build at 30.9 pounds compared to lighter 12,000 BTU models
- Larger indoor unit dimensions of 44.6 inches wide
- Single 208-230V voltage option available
- You need to cool a room up to 1,500 square feet
- You require a 208-230V electrical connection
- You want quiet operation for bedroom use
- You only have a 115V outlet
- You need to cool a small room under 500 square feet
- You prefer a more compact indoor unit
Verdict: COSTWAY 23000 BTU Mini Split suits homeowners with 208-230V wiring who need strong cooling for large rooms. It offers efficient inverter performance and quiet operation for year-round comfort.
Mountman 12000 BTU 230V Mini Split
Best for: small rooms with 208-230V circuits
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- 750 sq ft
- SEER2 Rating
- 19
- Voltage
- 208/230V
- Smart Compatibility
- Remote
The Mountman 12000 BTU mini split delivers 19 SEER2 efficiency on 208-230V power. It cools and heats spaces up to 750 square feet using inverter technology and R32 refrigerant. You get four fan speeds, sleep mode, and auto-defrost. This unit is designed for smaller rooms where high capacity is not required. It offers reliable year-round climate control with quiet operation.
- 19 SEER2 energy efficiency rating
- Cools and heats up to 750 square feet
- Ultra-quiet 26dB sleep mode operation
- Inverter technology for steady temperature control
- 12000 BTU capacity is lower than most competitors offering 18000 BTU or higher
- 208-230V voltage requires specific electrical setup unlike 115V or 110V units
- You need efficient cooling for a small room up to 750 square feet
- You have a 208-230V electrical circuit available for installation
- You prioritize quiet operation with a 26dB sleep mode setting
- You require heating for large spaces exceeding 750 square feet
- You only have standard 110V or 115V outlets available
- You need higher cooling capacity than 12000 BTU can provide
Verdict: Mountman 12000 BTU 230V Mini Split suits you if you need a quiet, efficient unit for a small room with the right voltage. It is not ideal for larger spaces or standard 110V outlets.
YITAHOME 18000 BTU 19 SEER2 Mini Split
Best for: medium rooms needing smart climate control
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 18,000 BTU
- Coverage Area
- Up to 1,250 sq ft
- SEER2 Rating
- 19 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- Wi-Fi, Alexa, remote
The YITAHOME 18000 BTU mini split delivers 19 SEER2 efficiency for spaces up to 1,250 square feet. It operates on 208-230V power and uses inverter technology to maintain stable temperatures. You get smart control via Wi-Fi and Alexa, plus six operating modes. The unit runs quietly at 25 dB in sleep mode and handles extreme outdoor temperatures from 5°F to 118°F. It includes a remote and installation kit.
- 19 SEER2 energy efficiency rating
- Covers up to 1,250 square feet
- Wi-Fi and Alexa smart control
- Operates in 5°F to 118°F weather
- Quiet 25 dB sleep mode operation
- Heavier at 96.3 pounds than some lighter competitors
- Lower 19 SEER2 rating compared to 20 SEER2 options
- Requires 208-230V hardwired connection
- You need efficient cooling for a 1,250 sq. ft. room
- You want smart voice control with Alexa
- You live in an area with extreme temperature swings
- You only have a 115V outlet available
- You prefer a lighter unit under 80 pounds
- You want the highest 20 SEER2 efficiency available
Verdict: YITAHOME 18000 BTU 19 SEER2 Mini Split suits homeowners needing reliable climate control for medium-sized spaces with smart features. It is a solid choice for those with 208-230V wiring who prioritize quiet operation and broad temperature range.
Temprium 24000 BTU Mini Split
Best for: large rooms needing 24k BTU cooling
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 24000 BTU
- Coverage Area
- Up to 1500 sq ft
- SEER2 Rating
- 19 SEER2
- Voltage
- 230V
- Operating Modes
- Auto, Cool, Heat, Dry, Fan, Sleep, ECO
The Temprium 24000 BTU mini split delivers 19 SEER2 efficiency on 230V power. It cools and heats spaces up to 1500 sq. ft. with DC inverter technology and R32 refrigerant. Noise levels reach 30 dB. You get WiFi app control, Alexa compatibility, and seven operating modes. This unit suits larger rooms or open areas where you need strong cooling and heating capacity without extending central HVAC.
- 19 SEER2 rating for energy efficiency
- 24,000 BTU cooling and heating capacity
- 30 dB quiet operation for bedrooms
- WiFi app and voice control support
- ETL and AHRI certified safety
- 19 SEER2 is lower than 20 or 22 SEER2 options available
- 24,000 BTU capacity exceeds needs for small rooms
- 40.8 lb weight is heavier than smaller units
- You need 24,000 BTU for large spaces
- You want WiFi and voice control
- You prefer 230V power connections
- You only need 12,000 BTU or less
- You require 22 SEER2 efficiency
- You are on a 115V circuit only
Verdict: Temprium 24000 BTU 19 SEER2 Mini Split fits users needing high capacity for large rooms with smart home integration.
Della Vario 36k BTU 19 SEER2
Best for: Large spaces needing high BTU output
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 36000 BTU
- Coverage Area
- up to 2500 Sq. Ft
- SEER2 Rating
- 19 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- Alexa, Wifi, remote control
The Della Vario Series 36,000 BTU mini split is a high-capacity heat pump designed for large spaces up to 2,500 square feet. It operates on 230V with a 19 SEER2 rating, matching the efficiency tier of other units on this list. This model features 4D airflow, a 36 dBa quiet mode, and smart sensor technology that adjusts temperature based on the remote’s location. It is built for professional installation and offers comprehensive climate control modes.
- 36,000 BTU cooling capacity for large areas up to 2,500 sq ft
- 19 SEER2 energy efficiency rating on 230V power
- Ultra-quiet operation with sound levels as low as 36 dBa
- 4D airflow for up-down and left-right air distribution
- Smart sensor adjusts temperature based on remote control location
- Higher capacity at 36,000 BTU than most other picks in this guide
- Heavier indoor unit at 39.7 pounds compared to lighter models
- Lower SEER2 rating of 19 compared to higher-efficiency variants available
- You need to cool or heat a large room or open floor plan
- You require a high-output heat pump for colder climates down to -4°F
- You want precise comfort control with 4D airflow and smart sensing
- You are installing in a small room where 36,000 BTU is excessive
- You need a 115V unit for standard household outlets
- You prefer a lighter, more compact indoor unit under 30 pounds
Verdict: Della 36,000 BTU Mini Split delivers serious cooling power for large spaces, making it the right choice if you need to condition over 2,000 square feet efficiently.
Pioneer Diamante Pro 36000 BTU
Best for: large spaces needing high capacity cooling
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 36,000 BTU/H
- Coverage Area
- 1,100 to 1,400 sq ft
- SEER2 Rating
- 19.0
- Voltage
- 230V
- Number of Zones
- Single zone
This 36,000 BTU heat pump delivers 19 SEER2 cooling and 9.0 HSPF2 heating on 230V power. It covers 1,100 to 1,400 square feet with variable-speed DC inverter technology for steady comfort. The unit operates in extreme temperatures, heating down to -4°F and cooling up to 122°F. It includes dual-axis airflow and local sensing for precise zone control.
- 36,000 BTU cooling and heating capacity
- 19 SEER2 energy efficiency rating
- Variable-speed DC inverter compressor
- Heats effectively down to -4°F
- Dual-axis motorized airflow louvers
- Higher 36,000 BTU capacity than most 18,000 BTU competitors
- 230V requirement excludes 115V outlets
- Larger indoor unit dimensions at 46.9 inches wide
- You need to cool or heat a large 1,100 to 1,400 square foot space
- You require a 230V electrical circuit for installation
- You want reliable heating performance in very cold climates down to -4°F
- You only have standard 115V household outlets available
- You need to cool a small room under 800 square feet
- You prefer a more compact indoor unit width under 40 inches
Verdict: Pioneer Diamante Pro 36000 BTU suits large zones requiring high capacity and cold-weather heating, provided you have the necessary 230V power supply.
MEPTY 18000 BTU 19 SEER2 Mini Split
Best for: medium rooms with 230V power
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 18000 BTU
- Coverage Area
- Up to 1250 sq ft
- SEER2 Rating
- 19 SEER2
- Voltage
- 230V
- Smart Compatibility
- Remote control
The MEPTY 18000 BTU mini split delivers 19 SEER2 efficiency on 230V power. It cools and heats spaces up to 1,250 square feet. The unit includes a remote, 24-hour timer, and four fan speeds. It operates quietly in mute mode at 26dB. This model suits rooms needing balanced climate control with efficient inverter technology.
- 19 SEER2 energy efficiency rating
- Covers up to 1,250 square feet
- Ultra-quiet 26dB mute mode operation
- Includes 24-hour timer and remote
- 18000 BTU capacity is lower than 24000 or 36000 BTU options on the list
- 230V voltage requires compatible electrical infrastructure
- 1250 sq ft coverage is smaller than larger units in this guide
- You need a 18000 BTU unit for medium-sized rooms
- You prefer 230V electrical connections
- You value quiet operation under 30dB
- You require 36000 BTU for large commercial spaces
- You only have 115V outlets available
- You need coverage for areas over 1,250 square feet
Verdict: MEPTY 18000 BTU Mini Split is a solid choice for homeowners with 230V wiring who need efficient cooling for a 1,250 square foot room. It fits those prioritizing quiet performance and standard inverter efficiency.
Garvee 18000 BTU 19 SEER2 Mini Split
Best for: medium rooms needing quiet smart control
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 18,000 BTU
- Coverage Area
- Up to 1,250 sq ft
- SEER2 Rating
- 19
- Voltage
- 230V
- Smart Compatibility
- Remote, Wi-Fi, Alexa, Google Assistant
This Garvee unit delivers 18,000 BTU cooling and heating with a 19 SEER2 rating. It covers up to 1,250 square feet on 230V power. You get five operating modes and whisper-quiet 28dB operation. The package includes a remote, WiFi app control, and voice assistant compatibility. It is a solid choice for medium-sized rooms needing efficient climate control.
- 19 SEER2 energy efficiency rating
- Covers up to 1,250 square feet
- Ultra-quiet 28dB mute mode operation
- Includes WiFi and voice control
- Five operating modes for flexibility
- Lower SEER2 rating than the 20 SEER2 competitors
- Smaller capacity than 24,000 or 36,000 BTU models
- Heavier indoor unit at 35 inches wide
- You need a 18,000 BTU unit for a 1,250 sq ft space
- You want quiet 28dB operation for bedrooms
- You prefer voice control via Alexa or Google
- You require more than 18,000 BTU of cooling power
- You need a 20 SEER2 or higher efficiency rating
- You want a 36,000 BTU system for large areas
Verdict: Garvee 18000 BTU 19 SEER2 Mini Split suits those who value quiet operation and smart features for medium rooms. It fits buyers who do not need the highest efficiency tier or maximum BTU output.
Kinetheme 12000 BTU 19 SEER2 Mini Split
Best for: medium rooms with 230V power
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 12000 BTU
- Coverage Area
- up to 750 Sq. Ft.
- SEER2 Rating
- 19 SEER2
- Voltage
- 230V
- Operating Modes
- Cool, Heat, Dry, Fan, Auto
This Kinetheme mini split delivers 12,000 BTU of cooling and heating power with a 19 SEER2 rating. It operates on 230V and covers up to 750 square feet. The unit uses inverter technology to maintain consistent temperatures while reducing energy consumption. It includes self-cleaning and auto defrost features for reliable performance in cold weather down to -4°F. This system suits you if you need efficient climate control for a medium-sized room or office space.
- 19 SEER2 energy efficiency rating
- Covers up to 750 square feet
- Self-cleaning and auto defrost functions
- Inverter compressor for stable temperatures
- Operates in temperatures down to -4°F
- 12,000 BTU capacity is lower than many 18,000 BTU or 24,000 BTU options on this list
- Weighs 77 pounds, which is heavier than some lighter 12,000 BTU competitors
- Limited to 230V voltage, excluding 115V compatibility found in other models
- You need a heat pump for a space under 750 square feet
- You prefer a 230V electrical connection for higher efficiency
- You want a unit with self-cleaning and auto defrost capabilities
- You require a higher cooling capacity than 12,000 BTU
- Your home only has 115V outlets available
- You need a unit that weighs less than 77 pounds
Verdict: Kinetheme 12000 BTU 19 SEER2 Mini Split is a solid choice for medium rooms where 230V power is available and you value energy efficiency over raw cooling power. It fits well in spaces up to 750 square feet that need reliable heating in cold conditions.
Tehanld 12000 BTU 230V Mini Split
Best for: 230V circuits and 750 sq ft rooms
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 19 SEER2
- Voltage
- 230V
- Operating Modes
- Cool, Heat, Auto, Fan, Dry, Eco
This Tehanld mini split offers 12,000 BTU cooling and heating for spaces up to 750 square feet. It runs on 230V power and achieves a 19 SEER2 rating for energy efficiency. The unit uses R32 refrigerant and inverter technology to adjust compressor speed. You get five operation modes and four fan speeds. The indoor unit measures 32.3 inches wide and weighs 77 pounds.
- 19 SEER2 energy efficiency rating
- Covers areas up to 750 square feet
- Five operation modes including Cool, Heat, and Auto
- Four adjustable fan speeds
- Uses R32 refrigerant with low global warming potential
- 12,000 BTU capacity is lower than many 18,000 BTU options on the list
- 77-pound weight is heavier than lighter 12,000 BTU competitors
- Single color option limits aesthetic customization
- You need a 230V unit for a dedicated circuit
- You want to cool or heat a room up to 750 square feet
- You prefer R32 refrigerant for better environmental impact
- You require a higher capacity than 12,000 BTU
- You only have a 115V electrical outlet available
- You need multiple color choices for your interior decor
Verdict: Tehanld 12000 BTU 19 SEER2 Mini Split suits homeowners with 230V wiring who need efficient cooling for medium-sized rooms. It delivers steady performance for spaces around 750 square feet without demanding excessive power.
Nexaro 12000BTU Mini Split, 19 SEER2
Best for: small rooms with 230V power access
- SEER Rating
- 19 SEER2
- 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
The Nexaro 12000 BTU unit offers 19 SEER2 efficiency on a 230V circuit. It cools spaces up to 750 square feet using R32 refrigerant. The inverter compressor adjusts output to maintain temperature while reducing energy use. You get five operating modes, including cooling, heating, and dry. This model suits smaller rooms where precise climate control matters more than raw power.
- 19 SEER2 energy efficiency rating
- Cools up to 750 square feet
- Inverter compressor for stable temperatures
- Uses eco-friendly R32 refrigerant
- Five operating modes including heating
- 12000 BTU capacity is lower than many 18000 or 24000 BTU options on this list
- Requires a 230V electrical circuit, limiting placement options compared to 115V models
- 750 square foot coverage is smaller than units covering 1250 square feet
- You need a 230V mini split for a room under 750 square feet
- You want 19 SEER2 efficiency with heating capability
- You prefer R32 refrigerant for lower environmental impact
- You require a 115V plug-in unit for easy installation
- You need to cool a space larger than 750 square feet
- You want higher BTU output for rapid cooling of large areas
Verdict: Nexaro 12000 BTU 230V Mini Split fits users with 230V wiring who need efficient cooling for small to medium rooms. It delivers steady temperatures through inverter technology rather than brute force.
Uthfy 12000 BTU 115V Mini Split
Best for: Standard 115V outlet compatibility
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 19
- Voltage
- 115V
- Smart Compatibility
- Remote control
The Uthfy 12000 BTU mini split uses 115V power, unlike the 208-230V units dominating this list. It delivers 19 SEER2 efficiency and cools up to 750 square feet. This model suits rooms where standard outlets are available. It includes inverter technology for steady temperature control and operates quietly at 26 dB in sleep mode. You get four fan speeds and smart auto maintenance features.
- 115V voltage allows use with standard household outlets
- 19 SEER2 energy efficiency rating
- Quiet 26 dB operation in Sleep Mode
- Covers up to 750 square feet
- Includes remote control with 24-hour timer
- 115V voltage limits compatibility compared to 208-230V models
- 12000 BTU capacity is lower than 18000 or 24000 BTU options
- 750 square foot coverage is smaller than larger units
- You need a unit that plugs into a standard 115V outlet
- You are cooling a room up to 750 square feet
- You want quiet operation with a 26 dB sleep mode
- You require higher capacity than 12000 BTU
- Your home only supports 208-230V circuits
- You need to cool a space larger than 750 square feet
Verdict: Uthfy 12000 BTU 115V Mini Split fits users needing standard outlet compatibility for small to medium rooms. It offers solid efficiency for spaces under 750 square feet.
Mountman 12000 BTU 230V Mini Split
Best for: small rooms up to 750 square feet
- SEER Rating
- 19 SEER2
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 19 SEER2
- Voltage
- 230V
- Smart Compatibility
- Remote control
The Mountman 12000 BTU mini split delivers 19 SEER2 efficiency on a 230V circuit. It cools and heats spaces up to 750 square feet using inverter technology and R32 refrigerant. The unit offers four fan speeds and specialized modes like ECO and Turbo. You get remote control with a 24-hour timer and quiet operation down to 26dB. This model suits smaller rooms where steady, energy-efficient climate control is the priority.
- 19 SEER2 energy efficiency rating
- Cools and heats up to 750 sq ft
- Ultra-quiet Sleep Mode at 26dB
- Includes ECO Mode for energy savings
- Intelligent self-cleaning and auto defrost
- 12000 BTU capacity is lower than 18000 or 24000 BTU options
- 230V voltage requires compatible electrical infrastructure
- 750 sq ft coverage is smaller than larger units
- You need efficient cooling for a room under 750 square feet
- You have a 230V electrical circuit available
- You want quiet operation for a bedroom or office
- You need to cool a space larger than 750 square feet
- You only have a 115V outlet and cannot install 230V
- You require higher BTU output for rapid heating or cooling
Verdict: Mountman 12000 BTU 230V Mini Split is a compact, efficient solution for smaller rooms. It fits buyers who prioritize quiet, steady climate control in spaces up to 750 square feet.
Specifications side by side
| Spec | Rellytech 18000 BTU 230V Mini Split | Albott 18k BTU 230V Mini Split | COSTWAY 23000 BTU Mini Split | Mountman 12000 BTU 230V Mini Split | YITAHOME 18000 BTU 19 SEER2 Mini Split | Temprium 24000 BTU Mini Split | Della Vario 36k BTU 19 SEER2 | Pioneer Diamante Pro 36000 BTU | MEPTY 18000 BTU 19 SEER2 Mini Split | Garvee 18000 BTU 19 SEER2 Mini Split | Kinetheme 12000 BTU 19 SEER2 Mini Split | Tehanld 12000 BTU 230V Mini Split | Nexaro 12000BTU Mini Split, 19 SEER2 | Uthfy 12000 BTU 115V Mini Split | Mountman 12000 BTU 230V Mini Split |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooling Capacity | 18,000 BTU | 18,000 BTU | 23000 BTU | 12,000 BTU | 18,000 BTU | 24000 BTU | 36000 BTU | 36,000 BTU/H | 18000 BTU | 18,000 BTU | 12000 BTU | 12000 BTU | 12,000 BTU | 12,000 BTU | 12000 BTU |
| Coverage Area | Up to 1,250 sq. ft. | Up to 1,250 sq ft | 1500 sq ft | 750 sq ft | Up to 1,250 sq ft | Up to 1500 sq ft | up to 2500 Sq. Ft | 1,100 to 1,400 sq ft | Up to 1250 sq ft | Up to 1,250 sq ft | up to 750 Sq. Ft. | Up to 750 sq ft | Up to 1,250 sq ft | Up to 750 sq ft | Up to 750 sq ft |
| SEER2 Rating | 19 | 19 | 19 SEER2 | 19 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19.0 | 19 SEER2 | 19 | 19 SEER2 | 19 SEER2 | 19 | 19 | 19 SEER2 |
| Voltage | 208-230V | 208-230V | 208-230V | 208/230V | 208-230V | 230V | 208-230V | 230V | 230V | 230V | 230V | 230V | 230V | 115V | 230V |
| Number of Zones | – | – | – | – | – | – | – | Single zone | – | – | – | – | – | – | – |
| Smart Compatibility | – | – | Remote control | Remote | Wi-Fi, Alexa, remote | – | Alexa, Wifi, remote control | Remote control | Remote control | Remote, Wi-Fi, Alexa, Google Assistant | – | – | – | Remote control | Remote control |
| Operating Modes | Cooling, heating, fan, dry | Cooling, heating, dehumidifying, fan | Cool, heat, dry, fan, auto, sleep, ECO | Cool, Heat, Dry, Fan | Auto, Cooling, Drying, Heating, Fan, Eco | Auto, Cool, Heat, Dry, Fan, Sleep, ECO | heating, cooling, drying, dehumidify | Cooling, heating, Dry, Fan | Cooling, heating, fan, dehumidifying | Cool, Fan, Dry, Heat, Auto | Cool, Heat, Dry, Fan, Auto | Cool, Heat, Auto, Fan, Dry, Eco | Cooling, Heating, Auto, Fan, Dry | Cool, Heat, Dry, Fan | Cool, Heat, Dry, Fan |
| Room | – | Offices | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Features | Inverter | Inverter | Inverter | Inverter | Inverter | Quiet Operation | Inverter | Inverter, Quiet Operation | Inverter | Remote, Quiet Operation | Inverter | – | Inverter | Inverter | Inverter |
| Control Method | – | – | – | – | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | Wi-Fi, Wi-Fi App Control, Wi-Fi App | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | – | – | Remote Control | – | – | – | – | – |
| Room Type | – | Office | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Color | White | White | White | – | White | White | White | White | – | White | White | White | White | White | – |
| Operating Mode | – | Heater | Heater | Heater | – | Heater | Heater | Heater | Heater | Heater | Heater | Heater | Heater | Heater | Heater |
| SEER Rating | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 | 19 SEER2 |
| Mounting Type | – | – | Wall-Mounted | – | – | – | – | Wall-Mounted | – | – | – | – | – | – | – |
| Heat Output | – | – | 23,000 BTU | – | – | – | – | – | – | – | – | – | – | – | – |
| Use | – | Home Office | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Dimensions | 12.4 × 39.6 × 9.5 inches | 37.8 × 8.74 × 12.4 inches | 13 × 44.6 × 9.13 inches | 8.23 × 32.3 × 11.9 inches | 12.2 × 39.8 × 15.2 inches | 12.3 × 42.9 × 12.9 inches | 10.3 × 46.9 × 14.2 inches | 10.3 × 46.9 × 14.3 inches | 9.02 × 40.4 × 12.6 inches | 35 × 29.1 × 34.5 inches | 8.3 × 32.3 × 11.9 inches | 8.3 × 32.3 × 11.9 inches | 8.25 × 32.3 × 13 inches | 11.9 × 32.3 × 8.23 inches | 8.23 × 32.3 × 11.9 inches |
| Weight | 112 pounds | 151 pounds | 30.9 pounds | – | 96.3 pounds | 40.8 pounds | 39.7 pounds | – | – | – | 77 pounds | 77 pounds | 68 pounds | 70.4 pounds | – |
| Size | 18000BTU,230V,19 SEER2 | 19 SEER2, 18,000BTU 208-230V | 23000BTU, 208-230V, 19 SEER2 | 12000-208/230 | – | 24,000 BTU, 230V, 19 SEER2 | 36,000 BTU – 230V / 19 SEER2 | 36000 BTU – 230 V | 18000-230 | 18K-230V-19 SEER2 – I Panel | 12000BTU-230V-19SEER2 | 12000BTU-230V-19SEER2 | 12000BTU, 230V, 19 SEER2 | – | 12000 | 230 |
| Model | CE0-1 | SAC011 | 11090-CYFP | 12000BTU-230V | MAYIHQV1JQ | SAC002-A-24KWH-US | TL-36K2VB-19S-I+O | WYT036GLSI20RL | – | Rh-13d95F9z4r-fv0gbynAGu79 | K-0728-L120-W-UP | T-MINI SPLIT AC-2 | NexaroS180 | HY-DKT12-115 | MM 12000BTU-230V |
If you need heating alongside cooling, compare the best 19 SEER2 mini splits by their HSPF2 ratings.
How to choose the right mini split
Check your power source
Most units in this list require 230V or 208-230V circuits. You must verify your electrical setup before buying. If you only have standard 115V outlets, the Uthfy 12000 BTU Mini Split is your only option here. It is designed specifically for standard plugs. Using a 230V unit on the wrong voltage is dangerous and will not work. Always match the voltage spec to your home’s wiring capacity to ensure safe operation.
Match cooling capacity to room size
Select the BTU rating based on your square footage. Small rooms up to 750 square feet work best with 12000 BTU models like the Mountman or Kinetheme. Medium spaces around 1,250 square feet need 18000 BTU units such as the Rellytech or Albott. Large zones over 2,000 square feet require the 36000 BTU Della or Temprium options. Choosing the right capacity ensures efficient temperature control without wasting energy on oversized or undersized units.
Consider smart control needs
If you want remote management, look for Wi-Fi and app support. The YITAHOME and Temprium models offer Wi-Fi app control and Alexa compatibility. The Garvee unit relies on a traditional remote control. The Della model supports voice control via Alexa. Decide if you need smartphone integration for scheduling or if a simple remote is sufficient. Smart features add convenience but require a stable home network connection to function properly.
Verify heating capabilities
All listed units support heating mode, but you should check the specific operating modes for your climate. These are heat pump systems that provide both cooling and heating. The Rellytech and Albott models are noted for reliable heating performance in medium rooms. Ensure the unit’s heating output matches your winter needs. Inverter technology helps maintain steady temperatures during colder months, making these units suitable for year-round use in various weather conditions.
Assess physical dimensions
Check the width, height, and length to ensure the unit fits your wall space. The Albott model is notably wide at 37.8 inches, while the Mountman 12000 BTU is more compact at 32.3 inches wide. The Garvee unit has a unique height of 34.5 inches. Measure your installation area carefully before purchasing. Proper clearance is required for airflow and maintenance access. Selecting the right size prevents installation issues and ensures the unit blends well with your room layout.
Evaluate inverter efficiency
Most units use inverter technology for better energy efficiency. This allows the compressor to adjust speed rather than cycling on and off. The Rellytech and COSTWAY models highlight this feature for steady performance. Inverter systems are generally quieter and more efficient than non-inverter units. Look for the 19 SEER2 rating to ensure high efficiency. This rating applies to all listed products, but inverter tech maximizes that potential for lower electricity bills and consistent comfort.
Frequently asked questions
Do all 19 SEER2 mini splits require 230V power?
No. Most units in this list, such as the Rellytech and Albott models, require 230V or 208-230V circuits. However, the Uthfy 12000 BTU Mini Split is designed for standard 115V outlets. You must check your electrical setup before purchasing to ensure compatibility with your home’s wiring.
Which 19 SEER2 mini split covers the largest area?
The Della Vario 36k BTU 19 SEER2 covers the largest area at 2,500 square feet. It provides high BTU output suitable for large spaces. Other high-capacity options include the Temprium 24000 BTU and Pioneer Diamante Pro 36000 BTU, which are ideal for large zones needing strong cooling performance.
Are there smart features in these 19 SEER2 units?
Yes, several models offer smart control. The YITAHOME 18000 BTU supports Wi-Fi app control and Alexa voice commands. The Temprium 24000 BTU also includes Wi-Fi app control. The Della Vario 36k BTU adds voice control compatibility. These features allow you to manage climate settings remotely.
What is the smallest 19 SEER2 mini split by dimensions?
The Mountman 12000 BTU 230V Mini Split is one of the most compact options. It measures 32.3 inches in width, 11.9 inches in height, and 8.23 inches in length. This size makes it suitable for smaller rooms up to 750 square feet where space is limited.
Can these mini splits provide heating in cold weather?
Yes, all listed units operate in heating mode. They use inverter technology to maintain steady temperatures. The Pioneer Diamante Pro 36000 BTU is specifically noted for cold-weather heating capabilities. The Rellytech and Albott models also provide reliable heating for medium-sized rooms year-round.
Is quiet operation a standard feature in these models?
Quiet operation is a key feature for many units. The Temprium 24000 BTU and Pioneer Diamante Pro 36000 BTU explicitly list quiet operation in their attributes. The YITAHOME and Garvee models also prioritize quiet performance. This ensures comfortable climate control without excessive noise in your living space.