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We compared 15 best mini split air conditioners with heater to help you choose the right unit for your home. The Rellytech 12000 BTU 20 SEER2 Mini Split leads this list because its 20 SEER2 rating ensures efficient heating for medium-sized rooms on standard 115V outlets. Our selections are based strictly on the specifications published on the product listings. We focused on voltage compatibility, heating capacity, and efficiency ratings. This guide helps you decide which model fits your space and electrical setup.
Match your outlet voltage first
Your home’s electrical outlet dictates which mini split you can install. Units like the Rellytech and Senville run on standard 115V, fitting most bedrooms. Others, such as the Albott and COSTWAY, require 230V circuits for larger spaces. Check your voltage before buying. Installing the wrong type needs a licensed electrician to upgrade your wiring.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Rellytech 12000 BTU 20 SEER2 Mini Split Best overall | 115V homes needing 12,000 BTU heating | |
| 2 | Albott 18k BTU 230V Mini Split Best offices | offices needing 18,000 BTU heating and cooling | |
| 3 | COSTWAY 24000 BTU 230V Mini Split Best premium | Large rooms needing high heating output | |
| 4 | Mountman 12000 BTU 230V Mini Split Also great | Medium rooms with 208-230V wiring | |
| 5 | Senville LETO 9000 BTU 115V Best 120v | small rooms with 120V outlets | |
| 6 | YITAHOME 12000 BTU 115V Mini Split Best cover | Standard 115V outlets and smart control | |
| 7 | Tehanld 12000 BTU Mini Split Best budget | Standard 115V installations with included piping | |
| 8 | COSTWAY Blast Pro 18000 BTU 230V Also great | large rooms with 208-230V power | |
| 9 | Temprium 18,000 BTU Mini Split AC Also great | medium rooms needing quiet heating | |
| 10 | DELLA Vario 12K BTU 23 SEER2 Also great | quiet, smart, high-efficiency cooling and heating | |
| 11 | Pioneer Diamante Pro 9000 BTU Also great | small rooms needing efficient 230V heating | |
| 12 | DELLA Serena 12000 BTU 230V Mini Split Also great | Energy-conscious users with 230V power | |
| 13 | MEPTY 18000 BTU 19 SEER2 Mini Split Also great | 230V homes needing 18000 BTU heating | |
| 14 | ROVSUN 9000 BTU 20 SEER2 Mini Split Also great | small rooms with 115V outlets | |
| 15 | Garvee 18000 BTU 19 SEER2 Mini Split Best remote | large rooms with 230V power |
The best fit for you
- You need efficient heating for a medium room – Rellytech 12000 BTU 20 SEER2 Mini Split – It offers 20 SEER2 efficiency and 12,000 BTU heating for 750 square feet.
- You want the most compact model on the list – ROVSUN 9000 BTU 20 SEER2 Mini Split – Its 7.99 inch depth makes it the shallowest unit for small 115V spaces.
- You require strong heating for a large office – Albott 18k BTU 230V Mini Split – It delivers 18,000 BTU heating to cover up to 1,250 square feet.
- You need quiet operation with smart app control – YITAHOME 12000 BTU 115V Mini Split – It combines quiet inverter operation with Wi-Fi app control for 750 square feet.
- You seek high efficiency for a small 230V room – DELLA Serena 12000 BTU 230V Mini Split – Its 22 SEER2 rating provides energy savings for 12,000 BTU heating needs.
Rellytech 12000 BTU 20 SEER2 Mini Split
Best for: 115V homes needing 12,000 BTU heating
- Operating Mode
- Heater
- Cooling Capacity
- 12000 BTU
- Coverage Area
- 750 sq ft
- SEER2 Rating
- 20 SEER2
- Voltage
- 110V/115V
- Smart Compatibility
- Wi-Fi app, voice control, remote
This Rellytech mini split delivers 12,000 BTU of cooling and heating for spaces up to 750 square feet. It operates on 115V power and carries a 20 SEER2 rating, making it 30% more efficient than standard 17 SEER2 models. The unit uses R454B refrigerant and functions in temperatures from -13°F to 122°F. You can control it via Wi-Fi app or remote. It includes a digital display and smart scheduling features for consistent climate management.
- 20 SEER2 energy efficiency rating
- 115V electrical connection
- Wi-Fi and app control capability
- Covers up to 750 square feet
- Operates from -13°F to 122°F
- 12,000 BTU capacity is lower than several 18,000 BTU competitors on this list
- 115V voltage limits compatibility compared to 208-230V models
- 75.3-pound weight is heavier than some 9,000 BTU units
- You need a 115V unit for standard household outlets
- You want to cool or heat a room up to 750 square feet
- You prefer smart Wi-Fi control over manual operation
- You require 18,000 BTU or higher cooling power
- Your electrical system only supports 208V or 230V
- You need a unit lighter than 75 pounds
Verdict: Rellytech 12000 BTU Mini Split fits homeowners with 115V outlets who need efficient climate control for medium-sized rooms. Its 20 SEER2 rating ensures lower energy use while maintaining performance in extreme temperatures.
Albott 18k BTU 230V Mini Split
Best for: offices needing 18,000 BTU heating and cooling
- Operating Mode
- Heater
- 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 mini split offers 18,000 BTU of cooling and heating power for spaces up to 1,250 square feet. It operates on 208-230V power with a SEER2 rating of 19. The unit includes a 24-hour timer, sleep mode, and a self-cleaning function. It is designed for offices and home offices. The system runs quietly and handles temperatures from -4°F to 140°F.
- 18,000 BTU capacity covers up to 1,250 sq. ft.
- SEER2 rating of 19 for energy efficiency.
- 208-230V voltage supports stable performance.
- Self-cleaning function removes dust buildup.
- Operates in extreme conditions from -4°F to 140°F.
- SEER2 rating of 19 is lower than the 20-23 SEER2 ratings of many competitors.
- Weight of 151 pounds is heavier than lighter 12,000 BTU models.
- Only one voltage option (208-230V) limits installation flexibility.
- You need heating and cooling for an office up to 1,250 sq. ft.
- You have a 208-230V electrical supply available.
- You want a unit with a self-cleaning feature.
- You require a 115V plug-in unit.
- You prioritize the highest possible SEER2 rating over capacity.
- You need a lighter unit for easier installation.
Verdict: Albott 18000 BTU Mini Split suits office users who need robust heating and cooling for larger rooms with 208-230V power. It delivers solid performance for spaces up to 1,250 square feet.
COSTWAY 24000 BTU 230V Mini Split
Best for: Large rooms needing high heating output
- Operating Mode
- Heater
- Cooling Capacity
- 24000 BTU
- Coverage Area
- up to 1500 Sq. Ft
- SEER2 Rating
- 18.5 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- remote control
This 24,000 BTU mini split provides robust cooling and heating for larger spaces. It operates on 208-230V power with an 18.5 SEER2 efficiency rating. The inverter compressor adjusts speed to maintain temperature while saving energy. You get five working modes, including auto, cool, dry, heat, and fan. The unit features self-cleaning and auto-defrost functions to reduce maintenance. It is designed for wall mounting and includes a remote control for easy operation.
- 24,000 BTU capacity for large rooms
- 18.5 SEER2 energy efficiency rating
- Inverter technology for stable temperature control
- Five operating modes including heat and dry
- Self-cleaning and auto-defrost functions
- Lower 18.5 SEER2 efficiency compared to 19-23 SEER2 models on this list
- Heavier 68-pound build compared to lighter 9,000-12,000 BTU units
- Higher 24,000 BTU output may be excessive for small spaces
- You need high heating capacity for a large room
- You have a 208-230V electrical circuit available
- You want inverter technology for energy savings
- You only have a standard 115V outlet
- You need a unit for a small bedroom
- You prefer higher SEER2 efficiency ratings
Verdict: COSTWAY 24000 BTU Mini Split Heat Pump delivers strong heating performance for large areas, making it a solid choice for homeowners with 208-230V power who need maximum BTU output.
Mountman 12000 BTU 230V Mini Split
Best for: Medium rooms with 208-230V wiring
- Operating Mode
- Heater
- 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 offers heating and cooling for spaces up to 750 square feet. It runs on 208-230V power with a 19 SEER2 efficiency rating. The unit includes four fan speeds, sleep mode, and auto-defrost. You get reliable climate control with R32 refrigerant and inverter technology. This system fits well in homes or offices needing steady temperature management.
- 19 SEER2 energy efficiency rating
- Cools and heats up to 750 square feet
- 208-230V voltage compatibility
- Ultra-quiet 26dB sleep mode
- Auto-defrost for stable heating
- 19 SEER2 is lower than the 20 SEER2 or 22 SEER2 options on this list
- 12000 BTU capacity is smaller than the 18000 BTU and 24000 BTU models available
- You need a 12000 BTU unit for a medium-sized room
- You have 208-230V electrical wiring installed
- You want a system with auto-defrost for winter heating
- You require the highest SEER2 rating available on this list
- You need to cool a space larger than 750 square feet
- Your home only has 115V outlets
Verdict: Mountman 12000 BTU 19 SEER2 Mini Split is a solid choice for medium rooms with 208-230V wiring. You get steady heating and cooling without the premium efficiency of higher SEER2 models.
Senville LETO 9000 BTU 115V
Best for: small rooms with 120V outlets
- Operating Mode
- Heater
- Cooling Capacity
- 9000 BTU (0.75 Ton)
- Voltage
- 110/120V
- Smart Compatibility
- Alexa, app, remote control
- Operating Modes
- AC, heat pump, dehumidifier, fan
- Features
- Inverter, Quiet Operation
This Senville mini split offers 9,000 BTU of cooling and heating on a standard 120V circuit. It features a DC inverter for efficient operation and works with Alexa for voice control. The unit functions as a 4-in-1 system, including dehumidifier and fan modes. It is suitable for smaller rooms where a standard electrical outlet is available. The system includes a remote and installation kit.
- Runs on standard 120V power
- Alexa voice control compatible
- DC inverter technology for efficiency
- Includes 16ft line set kit
- Lower 9000 BTU capacity than most competitors
- Heating function rated only down to 5F
- Heavier 25-pound indoor unit
- You need a 120V connection
- You want Alexa integration
- You have a small room
- You need high BTU output
- You require heating below 5F
- You want 208/230V efficiency
Verdict: Senville 9000 BTU 120V Mini Split fits users with standard outlets who need modest heating. It suits small spaces where voice control is useful. It is not ideal for large rooms or cold climates.
YITAHOME 12000 BTU 115V Mini Split
Best for: Standard 115V outlets and smart control
- Operating Mode
- Heater
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- 750 sq ft
- SEER2 Rating
- 20
- Voltage
- 115V
- Smart Compatibility
- Alexa, Wi-Fi, remote
The YITAHOME 12000 BTU mini split offers heating and cooling for spaces up to 750 square feet. It runs on 115V power with a 20 SEER2 rating, making it energy efficient. The unit includes Wi-Fi and Alexa compatibility for smart control. It operates quietly at under 41 dB and handles temperatures from 5°F to 118°F. This system suits you if you need a reliable, smart-enabled heat pump for standard household outlets.
- 20 SEER2 energy efficiency rating
- Wi-Fi and Alexa voice control
- Quiet operation under 41 dB
- Heating capability down to 5°F
- Limited to 115V electrical connection
- Smaller 750 square foot coverage area
- Heavier indoor unit at 22 pounds
- You have standard 115V outlets available
- You want smart app and voice control
- You need heating in moderate climates
- You require 208-230V high-power connections
- You need to heat large open spaces
- You prefer lighter indoor wall units
Verdict: YITAHOME 12000 BTU Mini Split is a solid choice for homeowners with standard 115V wiring who value smart features and quiet operation. It fits you if you need efficient heating for a single room or small area.
Tehanld 12000 BTU Mini Split
Best for: Standard 115V installations with included piping
- Operating Mode
- Heater
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 17 SEER2
- Voltage
- 115V
- Smart Compatibility
- Remote control
The Tehanld 12000 BTU mini split offers heating and cooling for spaces up to 750 square feet. It runs on standard 115V power and achieves a 17 SEER2 rating. The unit includes intelligent defrost technology and operates down to 5°F. You get five operating modes and four fan speeds. This model ships with a 9.8 ft copper piping kit for installation by a licensed HVAC professional.
- 12000 BTU capacity for rooms up to 750 Sq. Ft.
- 17 SEER2 energy efficiency rating
- Standard 115V electrical connection
- Operates in heating mode down to 5°F
- Includes 9.8 ft copper piping kit
- 17 SEER2 rating is lower than the 19-22 SEER2 ratings of most other options
- 115V voltage limits usage to standard outlets rather than 208-230V circuits
- Heavier indoor unit at 20.9 pounds compared to lighter competitors
- You need a standard 115V outlet for installation
- You want a complete kit with 9.8 ft of piping included
- You require heating performance in temperatures down to 5°F
- You prioritize the highest SEER2 efficiency ratings available
- You have 208V or 230V circuits and want to use them
- You prefer lighter indoor units for easier mounting
Verdict: Tehanld 12000 BTU Mini Split 115V fits buyers who need a standard 115V connection and a complete installation kit. It is a practical choice for moderate climates where high efficiency is less critical than voltage compatibility.
COSTWAY Blast Pro 18000 BTU 230V
Best for: large rooms with 208-230V power
- Operating Mode
- Heater
- Cooling Capacity
- 18000 BTU
- Coverage Area
- Up to 1250 sq ft
- SEER2 Rating
- 20 SEER2
- Voltage
- 208/230V
- Smart Compatibility
- Alexa, Google Assistant, Wi-Fi, remote
This COSTWAY mini split delivers 18,000 BTU of cooling and heating for spaces up to 1,250 square feet. It operates on 208-230V power with a 20 SEER2 rating. You can control the unit via Wi-Fi, Alexa, or the included remote. The system maintains temperatures efficiently using inverter technology and includes a 24-hour timer. It is designed to function in extreme weather conditions.
- 18,000 BTU capacity for large rooms
- 20 SEER2 energy efficiency rating
- Wi-Fi and Alexa voice control
- Operates down to -4°F
- Lower SEER2 rating than the 22 SEER2 Della Serena
- Higher voltage requirement than 115V models
- Heavier indoor unit at 20.9 pounds
- You need heating for a 1,250 square foot area
- You have a 208-230V electrical circuit available
- You want voice control via Alexa
- You only have a standard 115V outlet
- You prefer a higher 22 SEER2 efficiency rating
- You need a unit under 15 pounds
Verdict: COSTWAY 18000 BTU Mini Split suits homeowners with 208-230V wiring who need strong heating for large rooms. It offers solid efficiency and smart control for spaces up to 1,250 square feet.
Temprium 18,000 BTU Mini Split AC
Best for: medium rooms needing quiet heating
- Operating Mode
- Heater
- Cooling Capacity
- 18000 BTU
- Coverage Area
- Up to 1250 sq ft
- SEER2 Rating
- 20 SEER2
- Voltage
- 230V
- Operating Modes
- Auto, Cool, Heat, Dry, Fan, Sleep, ECO
This Temprium unit delivers 18,000 BTU of cooling and heating power for spaces up to 1,250 square feet. It operates on 230V with a 20 SEER2 efficiency rating. You get quiet performance at 28 dB and smart control via WiFi app or voice assistants. The system includes a backlit remote with seven modes. It suits those needing reliable year-round comfort in medium-sized rooms.
- 20 SEER2 energy efficiency rating
- 18,000 BTU cooling and heating capacity
- Quiet operation at 28 dB
- WiFi and voice control support
- Covers up to 1,250 square feet
- Heavier at 40.8 pounds compared to lighter 9,000 BTU models
- 20 SEER2 is lower than the 22 SEER2 option available in variations
- Larger width of 37.8 inches requires more wall space
- You need heating and cooling for a 1,250 sq. ft. room
- You prefer 230V power for consistent performance
- You want smart control via an app or voice assistant
- You only have 115V outlets available
- You need the highest possible SEER2 rating of 22
- You require a more compact unit under 30 inches wide
Verdict: Temprium 18,000 BTU Mini Split offers balanced efficiency and quiet operation for medium rooms. It fits buyers who need strong heating and smart features without a 230V upgrade constraint.
DELLA Vario 12K BTU 23 SEER2
Best for: quiet, smart, high-efficiency cooling and heating
- Operating Mode
- Heater
- Cooling Capacity
- 12000 BTU (1 ton)
- Coverage Area
- Up to 550 sq ft
- SEER2 Rating
- 23 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- Alexa, Wi-Fi, remote control
The Della Vario Series offers 12,000 BTU cooling and heating for spaces up to 550 square feet. It achieves a 23 SEER2 rating and includes an HSPF of 9.5 for heat pump efficiency. The unit operates on 208-230V power and runs quietly at 28 dBa. It supports voice control via Alexa and features a smart sensor that adjusts temperature based on the remote's location. This model suits those seeking high efficiency and smart integration.
- High 23 SEER2 energy efficiency rating
- Ultra-quiet operation at 28 dBa
- Smart sensor adjusts temperature from remote location
- Compatible with Alexa voice control
- Heating function works down to -4°F
- Heavier build at 61 pounds compared to lighter competitors
- Lower heating capacity (HSPF 9.5) than some 18,000 BTU models with higher ratings
- Requires professional installation and line-set vacuuming
- You need a high-efficiency unit for a 550 square foot room
- You want voice control integration with Alexa
- You prioritize quiet operation with a 28 dBa rating
- You require a 9000 BTU unit for smaller spaces
- You are looking for a 115V model for standard outlets
- You prefer a DIY installation without professional help
Verdict: DELLA Vario 12000 BTU Mini Split is a high-efficiency choice for medium-sized rooms where quiet operation and smart features matter most. It fits buyers who value energy savings and voice control over raw heating power.
Pioneer Diamante Pro 9000 BTU
Best for: small rooms needing efficient 230V heating
- Operating Mode
- Heater
- Cooling Capacity
- 9,000 BTU
- Coverage Area
- 250 to 350 sq ft
- SEER2 Rating
- 20
- Voltage
- 230V
- Number of Zones
- Single zone
The Pioneer Diamante Pro is a 9,000 BTU mini split heat pump designed for spaces between 250 and 350 square feet. It operates on 230V power and delivers 20 SEER2 efficiency. The unit includes a 16-foot installation kit and supports heating down to -4°F. Its variable-speed inverter compressor adjusts output to demand. This system suits you if you need reliable year-round comfort in a single zone.
- 20 SEER2 efficiency rating for energy savings
- Heating capacity of 10,000 BTU/H
- Includes a 16-foot installation kit
- Dual-axis airflow with motorized louvers
- Operates in heating mode down to -4°F
- 9,000 BTU cooling capacity is lower than the 12,000 BTU and 18,000 BTU options on this list
- Recommended coverage of 250 to 350 square feet is smaller than the larger units available
- App control requires a separately sold module
- You need a 230V system for a small room under 350 square feet
- You want a complete package with a 16-foot installation kit included
- You require heating performance that works in cold weather down to -4°F
- You need to cool a space larger than 350 square feet
- You require 115V power instead of 230V
- You want app control without purchasing an additional module
Verdict: Pioneer Diamante Pro 9000 BTU Heat Pump fits small rooms where you need efficient 230V heating and cooling. It is ideal for single-zone spaces up to 350 square feet that need reliable cold-weather performance.
DELLA Serena 12000 BTU 230V Mini Split
Best for: Energy-conscious users with 230V power
- Operating Mode
- Heater
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 550 Sq.Ft
- SEER2 Rating
- 22 SEER2
- Voltage
- 208V-230V
- Smart Compatibility
- Alexa, Google Home, Wi-Fi, remote
The Della Serena is a 12,000 BTU heat pump with a 22 SEER2 rating, designed for rooms up to 550 square feet. It operates on 230V and includes smart controls via Alexa or the app. The unit features inverter technology for energy efficiency and runs quietly at 22 dBa. It also offers 4D airflow and PureClean tech. This model suits those seeking high efficiency and smart integration for medium-sized spaces.
- High 22 SEER2 energy efficiency rating
- Ultra-quiet operation at 22 dBa in mute mode
- Smart home integration with Alexa and app control
- PureClean tech prevents dust buildup and aids defrosting
- 4D airflow for versatile air distribution
- 12,000 BTU capacity is lower than the 18,000 and 24,000 BTU options on this list
- 230V requirement limits compatibility with standard 115V outlets
- Heavier build at 16.5 pounds compared to lighter 9,000 BTU models
- You need a high-efficiency unit with a 22 SEER2 rating for a room up to 550 square feet
- You want smart voice control via Alexa or the DELLA app
- You have a 230V electrical circuit available for installation
- You only have standard 115V outlets and cannot install 230V wiring
- You need to cool a large space requiring more than 12,000 BTU
- You prefer a lighter, more compact indoor unit under 15 pounds
Verdict: DELLA Serena 12000 BTU 22 SEER2 Mini Split is a solid choice for homeowners with 230V power who prioritize energy savings and smart features in a medium-sized room.
MEPTY 18000 BTU 19 SEER2 Mini Split
Best for: 230V homes needing 18000 BTU heating
- Operating Mode
- Heater
- 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 operates on 230V power with a 19 SEER2 rating. It covers 1,250 square feet and includes heating, cooling, fan, and dehumidifying modes. The unit reaches desired temperatures in 30 to 60 seconds. It features a 26dB mute mode and adjustable fan speeds. This system suits larger rooms or open spaces needing efficient climate control.
- 19 SEER2 energy efficiency rating
- Covers 1,250 square feet
- Heats room in 60 seconds
- Operates at 26dB in mute mode
- Includes 24-hour timer function
- Requires 230V electrical connection
- Indoor unit measures 40.4 inches wide
- Covers 1,250 square feet maximum
- You have a 230V outlet available
- You need to heat a 1,250 square foot space
- You want quiet operation for bedrooms
- You only have 115V outlets
- You need to cool a small 900 BTU room
- You prefer a narrower indoor unit
Verdict: MEPTY 18000 BTU 230V Mini Split delivers steady heating for medium to large rooms using 230V power. It fits homes with existing 230V circuits that need efficient climate control.
ROVSUN 9000 BTU 20 SEER2 Mini Split
Best for: small rooms with 115V outlets
- Operating Mode
- Heater
- Cooling Capacity
- 9000 BTU
- Coverage Area
- up to 400 sq.ft.
- SEER2 Rating
- 20 SEER2
- Voltage
- 115V
- Smart Compatibility
- app, Alexa, Google Assistant, remote
This ROVSUN unit provides 9000 BTU of cooling and heating for rooms up to 400 square feet. It operates on 115V power and achieves a 20 SEER2 rating for efficient energy use. The system includes Wi-Fi app control and voice assistant compatibility. It runs quietly at 28dB in mute mode. This model suits smaller spaces where standard 12000 BTU units are too powerful.
- 20 SEER2 energy efficiency rating
- Wi-Fi and app control support
- Ultra-quiet 28dB operation in mute mode
- 115V electrical connection
- 9000 BTU capacity is lower than the 12000 to 24000 BTU options on this list
- Limited to 115V power, whereas most competitors use 208V or 230V
- Maximum coverage area of 400 sq.ft. is smaller than larger units
- You need a heater for a small room under 400 square feet
- You have a standard 115V outlet available for installation
- You want smart app control for remote temperature adjustments
- You require cooling or heating for a space larger than 400 square feet
- Your electrical system only supports 208V or 230V circuits
- You need a unit with higher than 9000 BTU output
Verdict: ROVSUN 9000 BTU Mini Split Heater is a compact, efficient choice for small rooms with 115V power. It fits users who prioritize quiet operation and smart controls over raw heating capacity.
Garvee 18000 BTU 19 SEER2 Mini Split
Best for: large rooms with 230V power
- Operating Mode
- Heater
- 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 mini split delivers 18,000 BTU of cooling and heating power for spaces up to 1,250 square feet. It operates on 230V power with a 19 SEER2 rating, ensuring efficient energy use. The unit includes a backlit LCD remote and supports voice control via Alexa or Google Assistant. You get five operating modes, including a quiet 28dB mute setting, making it suitable for bedrooms or living areas where comfort and control matter.
- 18,000 BTU capacity covers up to 1,250 square feet
- 19 SEER2 energy efficiency rating for cost-effective operation
- Backlit LCD remote with five operating modes
- Voice control compatibility with Alexa and Google Assistant
- Ultra-quiet 28dB operation in mute mode
- 19 SEER2 rating is lower than the 20-23 SEER2 options available elsewhere
- Requires 230V electrical connection, limiting placement options
- Indoor unit dimensions are 35 inches wide, which is bulkier than compact models
- You need a 230V system for a garage or large room
- You want voice control integration with smart home devices
- You prioritize quiet operation for sleeping areas
- You only have 115V outlets available
- You prefer a higher SEER2 rating above 20
- You need a unit under 12,000 BTU
Verdict: Garvee 18000 BTU 230V Mini Split is a solid choice for homeowners with 230V wiring who need strong heating and cooling for large spaces. It fits best in areas like garages or open living rooms where its 35-inch width is acceptable.
Specifications side by side
| Spec | Rellytech 12000 BTU 20 SEER2 Mini Split | Albott 18k BTU 230V Mini Split | COSTWAY 24000 BTU 230V Mini Split | Mountman 12000 BTU 230V Mini Split | Senville LETO 9000 BTU 115V | YITAHOME 12000 BTU 115V Mini Split | Tehanld 12000 BTU Mini Split | COSTWAY Blast Pro 18000 BTU 230V | Temprium 18,000 BTU Mini Split AC | DELLA Vario 12K BTU 23 SEER2 | Pioneer Diamante Pro 9000 BTU | DELLA Serena 12000 BTU 230V Mini Split | MEPTY 18000 BTU 19 SEER2 Mini Split | ROVSUN 9000 BTU 20 SEER2 Mini Split | Garvee 18000 BTU 19 SEER2 Mini Split |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooling Capacity | 12000 BTU | 18,000 BTU | 24000 BTU | 12,000 BTU | 9000 BTU (0.75 Ton) | 12,000 BTU | 12,000 BTU | 18000 BTU | 18000 BTU | 12000 BTU (1 ton) | 9,000 BTU | 12000 BTU | 18000 BTU | 9000 BTU | 18,000 BTU |
| Coverage Area | 750 sq ft | Up to 1,250 sq ft | up to 1500 Sq. Ft | 750 sq ft | – | 750 sq ft | Up to 750 sq ft | Up to 1250 sq ft | Up to 1250 sq ft | Up to 550 sq ft | 250 to 350 sq ft | Up to 550 Sq.Ft | Up to 1250 sq ft | up to 400 sq.ft. | Up to 1,250 sq ft |
| SEER2 Rating | 20 SEER2 | 19 | 18.5 SEER2 | 19 | – | 20 | 17 SEER2 | 20 SEER2 | 20 SEER2 | 23 SEER2 | 20 | 22 SEER2 | 19 SEER2 | 20 SEER2 | 19 |
| Voltage | 110V/115V | 208-230V | 208-230V | 208/230V | 110/120V | 115V | 115V | 208/230V | 230V | 208-230V | 230V | 208V-230V | 230V | 115V | 230V |
| Number of Zones | – | – | – | – | – | – | – | – | – | – | Single zone | – | – | – | – |
| Smart Compatibility | Wi-Fi app, voice control, remote | – | remote control | Remote | Alexa, app, remote control | Alexa, Wi-Fi, remote | Remote control | Alexa, Google Assistant, Wi-Fi, remote | – | Alexa, Wi-Fi, remote control | Remote | Alexa, Google Home, Wi-Fi, remote | Remote control | app, Alexa, Google Assistant, remote | Remote, Wi-Fi, Alexa, Google Assistant |
| Operating Modes | Cooling, heat pump, dry, fan-only | Cooling, heating, dehumidifying, fan | auto, cool, dry, heat, fan | Cool, Heat, Dry, Fan | AC, heat pump, dehumidifier, fan | Auto, Cooling, Drying, Heating, Fan | Cool, Heat, Auto, Fan, Dry | Auto, cool, heat, dry, fan, ECO, sleep | Auto, Cool, Heat, Dry, Fan, Sleep, ECO | – | Cooling, Heating, Dry, Fan | Heating, cooling, auto, dry | Cooling, heating, fan, dehumidifying | cooling, heating, dehumidification | Cool, Fan, Dry, Heat, Auto |
| Room | – | Offices | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Features | Inverter, Quiet Operation | Inverter | Inverter | Inverter | Inverter, Quiet Operation | Inverter, Cover | Inverter | Inverter | Quiet Operation | Inverter | Inverter, Quiet Operation | Inverter | Inverter | Inverter | Remote, Quiet Operation |
| Control Method | Wi-Fi, Wi-Fi App Control, Wi-Fi App | – | – | – | Voice Control | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | – | 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 | – | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | – | Wi-Fi, Wi-Fi App Control, Wi-Fi App | Remote Control |
| Room Type | – | Office | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Color | White | 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 | Heater | Heater |
| SEER Rating | 20 SEER2 | 19 SEER2 | – | 19 SEER2 | – | 20 SEER2 | 17 SEER2 | 20 SEER2 | 20 SEER2 | – | 20 SEER2 | – | 19 SEER2 | 20 SEER2 | 19 SEER2 |
| Mounting Type | – | – | Wall-Mounted | – | Wall-Mounted | – | – | – | – | – | Wall-Mounted | – | – | – | – |
| Use | – | Home Office | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Dimensions | 8.66 × 31.9 × 11.4 inches | 37.8 × 8.74 × 12.4 inches | 9 × 44.5 × 13 inches | 8.23 × 32.3 × 11.9 inches | 9 × 37 × 12 inches | 7.9 × 31.2 × 11.5 inches | 7.48 × 31.5 × 11.4 inches | 7.68 × 35.8 × 12 inches | 8.74 × 37.8 × 12.4 inches | 8.07 × 31.9 × 11.5 inches | 8 × 31.9 × 11.5 inches | 7.87 × 30.2 × 11.8 inches | 9.02 × 40.4 × 12.6 inches | 7.99 × 31.9 × 11.5 inches | 35 × 29.1 × 34.5 inches |
| Weight | 75.3 pounds | 151 pounds | 68 pounds | – | 25 pounds | 22 pounds | 20.9 pounds | 20.9 pounds | 40.8 pounds | 61 pounds | – | 16.5 pounds | – | 70 pounds | – |
| Size | 12000BTU,115V,20 SEER2-WiFi | 19 SEER2, 18,000BTU 208-230V | 24000BTU, 208-230V, 18.5 SEER | 12000-208/230 | 9000 BTU 110/120V | – | 115V-12000BTU | – | 18,000 BTU, 230V, 20 SEER2 | 12,000 BTU – 230V / 23 SEER2 | 250~350 sq ft | 12,000 BTU 230V – 22 SEER2 | 18000-230 | 8.07"D x 31.92"W x 11.49"H | 18K-230V-19 SEER2 – I Panel |
| Model | CE0-1 | SAC011 | 10153-CYJV | 12000BTU-230V | SENL-09CD-16 | MAYIH4qu0k | 0745-S120-4 | Blast Pro | SAC002-A-18KWH-US | TL-12K2VB-23S-I+O | Diamante | 12K2VR-22S-M-I+O | – | RV09T1/20-I/RV09T1/20-O | Rh-13d95F9z4r-fv0gbynAGu79 |
If you need different heating capacity or efficiency ratings, you can compare albott mini split air conditioner alternatives.
How to Choose the Right Mini Split
Check Your Coverage Needs
Match the BTU rating to your room size. Larger spaces need more heating power. The Albott 18k BTU model covers up to 1,250 square feet, making it suitable for offices or large living areas. For smaller rooms around 750 square feet, a 12,000 BTU unit like the Rellytech is sufficient. The Senville 9000 BTU fits tiny spaces under 350 square feet. Choosing the right capacity ensures your heater runs efficiently without wasting energy on an oversized unit or struggling in an undersized one.
Verify Your Voltage Supply
Your electrical panel determines which unit you can install. Standard 115V outlets work with models like the Rellytech and Senville, which are ideal for bedrooms or small rooms. If you have 230V circuits, you can choose from higher-capacity options like the Albott or COSTWAY. The Mountman and Della Serena also require 230V. Do not attempt to install a 230V unit on a 115V outlet. Matching the voltage ensures safe operation and prevents electrical damage to your home wiring or the mini split system.
Consider Smart Control Options
Decide how you want to control the temperature. Many units offer Wi-Fi app control for remote management. The Rellytech and YITAHOME both provide this feature. If you prefer voice commands, the Senville and COSTWAY Blast Pro support Alexa integration. The Garvee model relies on a traditional remote control. Smart features allow you to adjust settings from your phone or via voice. Choose the control method that fits your daily routine and home automation setup for the most convenient user experience.
Evaluate Energy Efficiency
Look at the SEER2 rating to estimate energy costs. Higher ratings mean better efficiency. The Della Vario leads with 23 SEER2, followed by the Rellytech and YITAHOME at 20 SEER2. The Tehanld offers 17 SEER2, which is lower but still functional. Efficiency matters most if you plan to use the heater frequently. A higher SEER2 rating reduces electricity usage while maintaining consistent heating performance. Compare these numbers to find the model that balances upfront cost with long-term energy savings for your specific climate.
Assess Physical Dimensions
Check the unit size before mounting it on your wall. Dimensions vary significantly between models. The COSTWAY Blast Pro is 35.8 inches wide, while the Della Serena is narrower at 30.2 inches. Depth also matters for tight spaces. The YITAHOME is only 7.9 inches deep, making it suitable for small areas. The Albott is much heavier at 151 pounds. Measure your installation space carefully. Ensure the unit fits your wall area and that you have enough clearance for airflow and maintenance access around the indoor panel.
Frequently asked questions
Do all mini split heaters work with standard 115V outlets?
No, you must match the unit to your home’s electrical circuit. Some models, like the Rellytech 12000 BTU and Senville LETO, operate on 115V for standard bedrooms. Others, such as the Albott and COSTWAY Blast Pro, require 208-230V circuits for larger spaces. Check your outlet before buying.
Which mini split is best for quiet operation in a bedroom?
Look for units explicitly listing quiet operation as a feature. The Rellytech, Senville LETO, YITAHOME, Pioneer Diamante Pro, and ROVSUN all highlight this trait. These models are suitable for bedrooms or small rooms where low noise levels matter more than raw heating power for large areas.
Can I control my mini split heater with my smartphone?
Many models include Wi-Fi and app control for remote management. The Rellytech, YITAHOME, COSTWAY Blast Pro, Temprium, and ROVSUN support Wi-Fi apps. Some, like the Senville and DELLA Serena, also offer voice control with Alexa. Check the control method in the specs to confirm compatibility.
How much space does a mini split indoor unit take up?
Dimensions vary by brand and BTU rating. The YITAHOME is notably shallow at 7.9 inches deep, fitting tight spaces. Larger units like the Garvee are wider at 35 inches but only 12 inches high. Measure your wall area before installing to ensure the unit fits your layout.
What SEER2 rating should I look for in a heater?
Higher SEER2 ratings indicate better energy efficiency during heating and cooling. The Della Vario offers 23 SEER2, while the Rellytech and YITAHOME provide 20 SEER2. The Tehanld starts at 17 SEER2. Choose a higher rating if you plan to use the unit frequently for climate control.
Are mini split heaters suitable for offices or large rooms?
Yes, higher BTU models cover larger square footage. The Albott, COSTWAY Blast Pro, and MEPTY cover up to 1,250 square feet, making them ideal for offices or large living areas. These units typically require 230V power to deliver the necessary heating output for bigger spaces effectively.
Do I need a special remote for these mini splits?
Some models include remote controls for manual operation. The Garvee is noted for its remote control feature. Many others rely on Wi-Fi apps or voice commands instead. Check the control method in the product data to see if a physical remote is included or if app control is primary.