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Choosing the best mini split air conditioners with inverter technology requires looking at the numbers on the spec sheet. We compared 15 models to find the top performers based strictly on published specifications. The Rellytech 18000 BTU 230V Mini Split leads because it offers a strong 19 SEER2 rating for its size. This efficiency metric tells you how much cooling output you get per watt of electricity used. Our picks are ranked by these key specs rather than subjective opinions. This guide helps you decide which unit fits your home’s voltage and room size.
Match Voltage and BTU to Your Circuit
Check your home’s electrical circuit first. Most units here require 230V or 208-230V, which needs dedicated wiring. If you only have standard 115V outlets, choose models like the Senville LETO 9000 BTU or YITAHOME 12000 BTU. Ensure the BTU rating matches your room’s square footage for proper heating and cooling performance.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Rellytech 18000 BTU 230V Mini Split Best overall | 230V homes needing 18,000 BTU heating | |
| 2 | Albott 18k BTU 230V Mini Split Best offices | large office spaces requiring high voltage | |
| 3 | COSTWAY 24000 BTU 230V Mini Split Best premium | large rooms with 230V power | |
| 4 | Mountman 12000 BTU 230V Mini Split Also great | medium rooms needing 208-230V power | |
| 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 medium rooms | |
| 7 | Tehanld 12000 BTU Mini Split Best budget | smaller rooms with standard 115V outlets | |
| 8 | COSTWAY Blast Pro 18000 BTU 230V Also great | large rooms with 208-230V power | |
| 9 | DELLA Vario 12K BTU 23 SEER2 Also great | Efficient cooling of medium rooms with 230V power | |
| 10 | Pioneer Diamante Pro 9000 BTU Also great | small rooms needing 230V cold-climate heating | |
| 11 | DELLA Serena 12000 BTU 230V Mini Split Also great | Medium rooms needing high efficiency and smart control | |
| 12 | MEPTY 18000 BTU 19 SEER2 Mini Split Also great | medium rooms needing 230V power | |
| 13 | ROVSUN 9000 BTU 20 SEER2 Mini Split Also great | small rooms on standard outlets | |
| 14 | DELLA Vita 12K BTU 115V Mini Split Also great | 115V rooms up to 550 square feet | |
| 15 | GarveeHome 12000 BTU 115V Mini Split Best remote | Standard 115V outlets up to 750 sq ft |
The best fit for you
- You need 18,000 BTU heating with 230V power – Rellytech 18000 BTU 230V Mini Split – It provides 18,000 BTU capacity and runs on a 230V circuit for medium rooms.
- You want the most efficient 115V unit available – YITAHOME 12000 BTU 115V Mini Split – It offers a 20 SEER2 rating and runs on standard 115V outlets.
- You require quiet operation for a 750 sq ft room – GarveeHome 12000 BTU 115V Mini Split – It delivers 32dB noise levels and covers up to 750 square feet.
- You need smart control for a 12000 BTU unit – DELLA Vita 12K BTU 115V Mini Split – It includes Wi-Fi app control and voice compatibility with Alexa.
Rellytech 18000 BTU 230V Mini Split
Best for: 230V homes needing 18,000 BTU heating
- Features
- Inverter
- 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 rating. The system includes four fan speeds and a 90-degree vertical swing. You get four operating modes, including an ECO function for efficient temperature control. It is a solid choice for medium-sized rooms needing reliable year-round climate management.
- 18,000 BTU cooling capacity covers up to 1,250 sq. ft.
- 19 SEER2 energy efficiency rating for cost-effective operation.
- Four fan speeds and 90-degree vertical airflow swing.
- Includes dedicated ECO mode for optimized energy use.
- 19 SEER2 rating is lower than the Della Serena 22 SEER2 model.
- 112-pound weight is heavier than many 12,000 BTU competitors.
- 230V voltage requires specific electrical infrastructure.
- You need strong heating output for a 1,250 sq. ft. area.
- You have a 230V electrical outlet available for installation.
- You want a unit with four distinct operating modes.
- You require a 115V plug for standard household outlets.
- You prioritize the highest SEER2 rating on the list.
- You are installing in a space under 800 sq. ft.
Verdict: Rellytech 18000 BTU Mini Split suits homeowners with 230V wiring who need robust heating for medium rooms. It offers strong performance for the size, though you should consider higher efficiency models if power costs are your main concern.
Albott 18k BTU 230V Mini Split
Best for: large office spaces requiring high voltage
- Features
- Inverter
- 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
The Albott SAC011 is a ductless mini split system rated at 19 SEER2 with 18,000 BTU of cooling and heating power. It operates on a 208-230V circuit and covers up to 1,250 square feet. The unit includes a 24-hour timer, sleep mode, and a self-cleaning function. Its robust build handles temperatures from -4°F to 140°F. This model is designed for offices or large rooms needing reliable climate control.
- 19 SEER2 energy efficiency rating
- 18,000 BTU cooling and heating capacity
- Covers up to 1,250 square feet
- 208-230V electrical requirement
- Self-cleaning function at 135°F
- Heavier at 151 pounds than many 12,000 BTU competitors
- Requires 208-230V power, limiting placement options
- Lower SEER2 rating than some 12,000 BTU models on the list
- You need to cool or heat an office space up to 1,250 sq. ft.
- You have a 208-230V electrical circuit available for installation
- You want a unit that operates reliably in extreme temperatures
- You only have a standard 115V household outlet
- You are cooling a small room under 800 square feet
- You prefer a lighter unit that weighs under 100 pounds
Verdict: Albott 18000 BTU 208-230V Inverter AC suits office managers who need high-capacity cooling for large spaces and have the necessary high-voltage wiring. It delivers strong performance for the area size.
COSTWAY 24000 BTU 230V Mini Split
Best for: large rooms with 230V power
- Features
- Inverter
- Cooling Capacity
- 24000 BTU
- Coverage Area
- up to 1500 Sq. Ft
- SEER2 Rating
- 18.5 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- remote control
This COSTWAY unit delivers 24000 BTU of cooling and heating power for larger spaces. It operates on 208-230V with 18.5 SEER2 efficiency. The inverter compressor adjusts speed to maintain steady temperatures. You get five working modes and four fan speeds for precise comfort. The system includes self-cleaning and auto-defrost functions. It is designed for wall mounting and requires professional installation.
- 24000 BTU capacity for large rooms
- 18.5 SEER2 energy efficiency rating
- Inverter compressor for steady temperature control
- Five operating modes including heat and dry
- Self-cleaning and auto-defrost features
- 18.5 SEER2 is lower than the 20-22 SEER2 options on this list
- 24000 BTU size exceeds the 12000 or 18000 BTU units in this guide
- Heavy at 68 pounds compared to smaller models
- You need high cooling output for a large room
- You have a 208-230V electrical circuit available
- You want a unit with self-cleaning capabilities
- You only have a standard 115V outlet
- You prefer higher energy efficiency ratings above 19 SEER2
- You are cooling a small room under 400 square feet
Verdict: COSTWAY 24000 BTU 208-230V Inverter Mini Split suits large spaces requiring strong heating and cooling. It fits homes with 230V power lines who prioritize capacity over maximum efficiency.
Mountman 12000 BTU 230V Mini Split
Best for: medium rooms needing 208-230V power
- Features
- Inverter
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- 750 sq ft
- SEER2 Rating
- 19
- Voltage
- 208/230V
- Smart Compatibility
- Remote
This Mountman mini split delivers 12,000 BTU of cooling and heating power for spaces up to 750 square feet. It runs on 208-230V power with a 19 SEER2 efficiency rating. The inverter system adjusts output to maintain steady temperatures. You get four operating modes, including sleep and turbo, plus a 24-hour timer. It is a solid choice for medium-sized rooms where reliable climate control is the priority.
- 19 SEER2 energy efficiency rating
- Covers up to 750 square feet
- 208-230V voltage compatibility
- Ultra-quiet 26dB sleep mode
- R32 eco-friendly refrigerant
- Lower SEER2 rating than top competitors
- Smaller cooling capacity than 18000 BTU options
- Includes only remote, no wall display
- You need a 208-230V unit for a garage or workshop
- You want a 12000 BTU system for a medium room
- You prefer quiet operation for a bedroom
- You require a higher SEER2 rating for maximum efficiency
- You need to cool a space larger than 750 square feet
- You want smart home integration without extra hardware
Verdict: Mountman 12000 BTU 208/230V Mini Split is a practical inverter system for medium rooms. It fits you best if you need reliable 208-230V power and quiet sleep mode operation.
Senville LETO 9000 BTU 115V
Best for: small rooms with 120V outlets
- Features
- Inverter, Quiet Operation
- Cooling Capacity
- 9000 BTU (0.75 Ton)
- Voltage
- 110/120V
- Smart Compatibility
- Alexa, app, remote control
- Operating Modes
- AC, heat pump, dehumidifier, fan
- Control Method
- Voice Control
The Senville LETO is a 9,000 BTU mini split operating on standard 120V power. It uses DC inverter technology for efficient cooling and heating down to 5°F. The unit includes a remote and supports voice control via Alexa. It weighs 25 pounds and measures 37 inches wide. This model suits small rooms needing a reliable, single-phase connection without complex electrical upgrades.
- Operates on standard 120V power
- Includes 5-year parts and compressor warranty
- Heats effectively down to 5°F
- Compatible with Alexa voice control
- 9,000 BTU capacity is lower than most competitors offering 12,000 or 18,000 BTU
- 25-pound weight is heavier than typical 9,000 BTU indoor units
- Lacks stated SEER2 rating in specifications
- You need a mini split that runs on a standard 120V outlet
- You want a unit with a 5-year warranty on parts and compressor
- You prefer voice control integration with Alexa
- You require heating capacity above 9,000 BTU for larger spaces
- You need a unit with a published SEER2 rating for efficiency comparison
- You prefer a lighter indoor unit for easier mounting
Verdict: Senville LETO 9000 BTU 120V Mini Split fits users who need a 120V inverter unit with a strong warranty and Alexa support for small rooms.
YITAHOME 12000 BTU 115V Mini Split
Best for: Standard 115V outlets and medium rooms
- Features
- Inverter, Cover
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- 750 sq ft
- SEER2 Rating
- 20
- Voltage
- 115V
- Smart Compatibility
- Alexa, Wi-Fi, remote
This YITAHOME unit delivers 12,000 BTU cooling and heating with a 20 SEER2 efficiency rating on a standard 115V circuit. It covers up to 750 square feet and operates quietly at under 41 dB. The system includes WiFi app control, Alexa compatibility, and five operating modes. You get flexible airflow with 4D circulation and a self-cleaning function. It is designed for year-round comfort in medium-sized rooms.
- High 20 SEER2 energy efficiency rating
- Runs on standard 115V household power
- Includes WiFi and Alexa voice control
- Operates quietly at under 41 dB
- Covers areas up to 750 square feet
- Lower 12,000 BTU capacity compared to 18,000 and 24,000 BTU models
- Single 115V voltage option limits high-power performance
- Heavier 22-pound indoor unit compared to lighter competitors
- You need a 12,000 BTU unit for a 750 sq. ft. space
- You require a standard 115V electrical connection
- You want smart control via WiFi and Alexa
- You need more than 12,000 BTU of cooling power
- Your installation requires a 208-230V high-voltage circuit
- You prefer a lighter indoor unit under 20 pounds
Verdict: YITAHOME 12000 BTU 20 SEER2 Mini Split is a solid choice for homeowners with standard 115V outlets who need efficient cooling for a medium-sized room. It suits those who value quiet operation and smart home integration over raw cooling capacity.
Tehanld 12000 BTU Mini Split
Best for: smaller rooms with standard 115V outlets
- Features
- Inverter
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 17 SEER2
- Voltage
- 115V
- Smart Compatibility
- Remote control
This Tehanld mini split offers 12,000 BTU cooling and heating for spaces up to 750 square feet. It runs on standard 115V power and achieves a 17 SEER2 efficiency rating. The system includes a multi-function remote, 24-hour timer, and four fan speeds. You get reliable climate control with intelligent defrost technology and quiet operation modes. It is a practical option for smaller rooms needing standard voltage compatibility.
- 12,000 BTU capacity for areas up to 750 sq. ft.
- 17 SEER2 energy efficiency rating for cost-effective operation.
- Standard 115V voltage for easy electrical integration.
- Includes 24-hour timer and four adjustable fan speeds.
- Operates reliably in temperatures down to 5°F.
- 17 SEER2 is lower than the 19 to 22 SEER2 ratings found on other list items.
- 115V voltage limits use to standard outlets, unlike 208-230V models.
- 750 sq. ft. coverage is smaller than larger capacity units.
- You need a 12,000 BTU unit for a room up to 750 square feet.
- You only have standard 115V electrical outlets available.
- You want a system with a 24-hour timer and multiple fan speeds.
- You require higher energy efficiency than 17 SEER2.
- You need a 208-230V system for heavy-duty commercial use.
- You are cooling a space larger than 750 square feet.
Verdict: Tehanld 12000 BTU 115V Mini Split suits you if you need a standard voltage unit for a medium-sized room and do not require the highest efficiency ratings.
COSTWAY Blast Pro 18000 BTU 230V
Best for: large rooms with 208-230V power
- Features
- Inverter
- 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 18000 BTU mini split handles spaces up to 1,250 sq. ft. with a 20 SEER2 inverter system. It runs on 208-230V power and includes Wi-Fi and Alexa compatibility for remote control. The unit offers seven operating modes and 8D airflow distribution. It operates quietly at 28 dB and features self-cleaning functions. This model suits larger rooms needing efficient heating and cooling with smart home integration.
- 20 SEER2 energy efficiency rating
- Wi-Fi and Alexa voice control
- Covers up to 1,250 sq. ft.
- Quiet operation at 28 dB
- 7 operating modes including ECO
- Lower SEER2 rating than the 22 SEER2 DELLA Serena
- Heavier indoor unit at 20.9 pounds
- Requires 208-230V electrical connection
- You need cooling for areas up to 1,250 sq. ft.
- You want Wi-Fi control and Alexa compatibility
- You have a 208-230V power supply
- You only have 115V outlets available
- You prefer a lighter indoor unit under 20 pounds
- You want the highest SEER2 rating of 22
Verdict: COSTWAY 18000 BTU 20 SEER2 Mini Split is a solid choice for larger spaces where smart control and quiet operation matter more than peak efficiency. It fits users with 208-230V wiring who need reliable year-round comfort.
DELLA Vario 12K BTU 23 SEER2
Best for: Efficient cooling of medium rooms with 230V power
- Features
- Inverter
- 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 12000 BTU mini split offers 23 SEER2 efficiency on 230V power. It includes a heat pump down to -4℉ and smart Alexa voice control. The indoor unit runs at 28 dBa and covers 550 square feet. A smart sensor in the remote adjusts temperature for personal comfort. This unit suits you if you want high efficiency and quiet operation for a medium-sized room.
- 23 SEER2 energy efficiency rating
- 28 dBa ultra-quiet indoor operation
- Smart sensor in remote for personal comfort
- Alexa voice control compatibility
- Heat pump works down to -4℉
- 230V voltage limits compatibility with standard 115V outlets
- 12000 BTU capacity is lower than 18000 or 24000 BTU options
- 61-pound weight is heavier than lighter 9000 BTU units
- You need a high-efficiency unit for a 550 square foot space
- You have a 230V electrical circuit available
- You want voice control via Alexa
- You only have standard 115V outlets
- You need to cool a space larger than 550 square feet
- You require a heat pump for temperatures below -4℉
Verdict: DELLA Vario 12000 BTU 23 SEER2 Mini Split delivers top-tier efficiency and quiet operation for medium rooms with 230V power. It fits you if you prioritize energy savings and smart features over raw cooling capacity.
Pioneer Diamante Pro 9000 BTU
Best for: small rooms needing 230V cold-climate heating
- Features
- Inverter, Quiet Operation
- 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 rooms between 250 and 350 square feet. It runs on 230V power and delivers 20 SEER2 efficiency. The unit includes a 16 ft installation kit and operates down to -4°F for heating. You get dual-axis airflow and I FEEL remote sensing for precise control. This system suits those who need reliable cold-climate performance in a single zone.
- 20 SEER2 efficiency rating for energy savings
- Includes 16 ft installation kit with line set
- Operates in heating mode down to -4°F
- Dual-axis motorized louvers for directional airflow
- 9,000 BTU capacity is lower than most 12,000 and 18,000 BTU options on the list
- Requires 230V power, limiting compatibility with standard 115V outlets
- App control requires a separately sold module
- You need a 230V system for a 250 to 350 sq ft room
- You require heating capability in temperatures down to -4°F
- You want a complete package with a 16 ft installation kit included
- You only have standard 115V electrical outlets available
- You need to cool a space larger than 350 square feet
- You want built-in Wi-Fi without purchasing extra hardware
Verdict: Pioneer Diamante 9000 BTU 230V Mini Split fits users who need a 230V unit for small rooms and value cold-climate heating down to -4°F. It is ideal for those who want a complete installation kit included.
DELLA Serena 12000 BTU 230V Mini Split
Best for: Medium rooms needing high efficiency and smart control
- Features
- Inverter
- 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 inverter heat pump designed for rooms up to 550 square feet. It features a 22 SEER2 efficiency rating on 230V power and operates quietly at 22 dBa in mute mode. You can control it via voice commands with Alexa or the dedicated app, which includes geo-location tracking to adjust settings based on your presence. This unit is Energy Star certified and includes a 24/7 live chat support channel.
- 22 SEER2 energy efficiency rating
- Ultra-quiet 22 dBa operation in mute mode
- Alexa and Google Home voice control
- PureClean technology for air quality
- Bottom heating element for winter defrosting
- 12,000 BTU capacity is lower than the 18,000 and 24,000 BTU options on this list
- Indoor unit weight of 16.5 pounds is heavier than lighter competitors
- Requires professional installation and line-set vacuuming
- You need a high-efficiency 22 SEER2 unit for a medium-sized room
- You want smart home integration with Alexa or Google Home
- You require a 9,000 BTU unit for a smaller space
- You are looking for a 24,000 BTU system for a large area
Verdict: DELLA Serena 12,000 BTU Mini Split offers top-tier efficiency and smart features for medium rooms. It suits buyers who prioritize quiet operation and energy savings over raw cooling power.
MEPTY 18000 BTU 19 SEER2 Mini Split
Best for: medium rooms needing 230V power
- Features
- Inverter
- 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 uses inverter technology to reach 19 SEER2 efficiency. It covers 1,250 square feet and operates on 230V power. You get rapid cooling in 30 seconds and heating in 60 seconds. The unit includes a remote, 24-hour timer, and four fan speeds. It runs quietly at 26dB in mute mode. This system suits you if you need strong performance for a medium-sized room or open space.
- 19 SEER2 inverter efficiency rating
- Covers 1,250 square feet
- Rapid cooling in 30 seconds
- Quiet 26dB mute mode operation
- Includes remote and 24-hour timer
- Lower SEER2 rating than the Della Serena at 22 SEER2
- Smaller capacity than the 24000 BTU models on the list
- Larger physical footprint than 9000 BTU units
- You need a 230V unit for a dedicated circuit
- You want rapid temperature changes in a medium room
- You prefer quiet operation for bedrooms or offices
- You require the highest efficiency rating available at 22 SEER2
- You only need to cool a small 9000 BTU space
- You prefer a 115V plug-in model for easier installation
Verdict: MEPTY 18000 BTU Inverter Mini Split delivers solid 19 SEER2 efficiency and fast climate control for medium rooms. It fits you well if you have a 230V circuit and need reliable heating and cooling for up to 1,250 square feet.
ROVSUN 9000 BTU 20 SEER2 Mini Split
Best for: small rooms on standard outlets
- Features
- Inverter
- 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 offers 9000 BTU cooling and heating for spaces up to 400 sq. ft. It runs on standard 115V power and achieves a 20 SEER2 rating. The inverter compressor adjusts speed to save energy. You get Wi-Fi control via app and voice assistants. It operates quietly at 28 dB in mute mode. This model suits smaller rooms needing efficient, smart climate control on a standard outlet.
- 20 SEER2 energy efficiency rating
- 115V standard voltage operation
- Wi-Fi and voice assistant control
- 28 dB mute mode operation
- Lower 9000 BTU capacity than most peers
- Heavier 70-pound unit weight
- You need a 115V connection
- You want smart app control
- You cool a small room
- You need higher cooling power
- You prefer lighter installation
- You require 230V efficiency
Verdict: ROVSUN 9000 BTU 115V Mini Split fits small spaces requiring smart control on standard outlets. Its 20 SEER2 rating ensures efficient operation for light cooling needs.
DELLA Vita 12K BTU 115V Mini Split
Best for: 115V rooms up to 550 square feet
- Features
- Inverter
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- 550 sq ft
- SEER2 Rating
- 20
- Voltage
- 115V
- Smart Compatibility
- Alexa, Google Assistant, DELLA App
The DELLA Vita Series is a 12,000 BTU mini split running on 115V power with a 20 SEER2 efficiency rating. It cools and heats spaces up to 550 square feet. The unit features DC inverter technology for stable temperatures and quiet 28 dB operation. You can control it via the app or voice assistants. It includes an "I Feel" sensor for precise comfort adjustments.
- 20 SEER2 energy efficiency rating
- Ultra-quiet 28 dB operation level
- "I Feel" sensor tracks remote temperature
- Works with Alexa and Google Assistant
- Heats reliably down to -4°F
- 115V voltage requires a standard outlet
- 550 square foot cooling coverage limit
- 18.7 pound indoor unit weight
- You need a 115V unit for standard circuits
- You want quiet operation under 30 dB
- You have a room up to 550 sq ft
- You require 208-230V power connections
- You need to cool larger spaces
- You prefer higher 21+ SEER2 ratings
Verdict: DELLA Vita 12000 BTU 115V suits renters or homeowners with standard 115V outlets who prioritize quiet, efficient cooling for medium-sized rooms.
GarveeHome 12000 BTU 115V Mini Split
Best for: Standard 115V outlets up to 750 sq ft
- Features
- Inverter, Remote
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 17 SEER
- Voltage
- 115V
- Smart Compatibility
- Remote control
This 12000 BTU mini split uses inverter technology to cool or heat rooms up to 750 square feet. It runs on a standard 115V outlet and achieves a SEER rating of 17. The unit operates quietly at 32dB and includes a remote control for easy adjustments. You get programmable timers, sleep mode, and ECO mode. It uses R32 refrigerant and features a self-diagnosis system for low maintenance.
- 12000 BTU capacity covers up to 750 square feet
- 115V voltage fits standard household outlets
- Ultra-quiet operation at 32dB
- SEER 17 efficiency rating
- Includes remote control
- SEER 17 is lower than the 19-22 SEER2 ratings of other models on this list
- 115V power requirement limits use compared to 208-230V units
- 84.1 pounds weight is heavier than many competitors
- You need a 12000 BTU unit for a 750 square foot space
- You only have a 115V electrical circuit available
- You prefer quiet operation at 32dB for bedrooms
- You require a higher SEER rating than 17
- You need 208-230V power compatibility
- You want a lighter unit under 80 pounds
Verdict: GarveeHome 12000 BTU 115V Mini Split suits buyers who need a 115V inverter system for a 750 square foot room and prioritize quiet 32dB operation over higher efficiency ratings.
Specifications side by side
| Spec | Rellytech 18000 BTU 230V 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 | 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 | DELLA Vita 12K BTU 115V Mini Split | GarveeHome 12000 BTU 115V Mini Split |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooling Capacity | 18,000 BTU | 18,000 BTU | 24000 BTU | 12,000 BTU | 9000 BTU (0.75 Ton) | 12,000 BTU | 12,000 BTU | 18000 BTU | 12000 BTU (1 ton) | 9,000 BTU | 12000 BTU | 18000 BTU | 9000 BTU | 12,000 BTU | 12000 BTU |
| Coverage Area | Up to 1,250 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 550 sq ft | 250 to 350 sq ft | Up to 550 Sq.Ft | Up to 1250 sq ft | up to 400 sq.ft. | 550 sq ft | Up to 750 sq ft |
| SEER2 Rating | 19 | 19 | 18.5 SEER2 | 19 | – | 20 | 17 SEER2 | 20 SEER2 | 23 SEER2 | 20 | 22 SEER2 | 19 SEER2 | 20 SEER2 | 20 | 17 SEER |
| Voltage | 208-230V | 208-230V | 208-230V | 208/230V | 110/120V | 115V | 115V | 208/230V | 208-230V | 230V | 208V-230V | 230V | 115V | 115V | 115V |
| Number of Zones | – | – | – | – | – | – | – | – | – | Single zone | – | – | – | – | – |
| Smart Compatibility | – | – | 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 | Alexa, Google Assistant, DELLA App | Remote control |
| Operating Modes | Cooling, heating, fan, dry | 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 | – | Cooling, Heating, Dry, Fan | Heating, cooling, auto, dry | Cooling, heating, fan, dehumidifying | cooling, heating, dehumidification | – | – |
| Room | – | Offices | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Features | Inverter | Inverter | Inverter | Inverter | Inverter, Quiet Operation | Inverter, Cover | Inverter | Inverter | Inverter | Inverter, Quiet Operation | Inverter | Inverter | Inverter | Inverter | Inverter, Remote |
| Control Method | – | – | – | – | 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, 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 | Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi App |
| 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 | – |
| SEER Rating | 19 SEER2 | 19 SEER2 | – | 19 SEER2 | – | 20 SEER2 | 17 SEER2 | 20 SEER2 | – | 20 SEER2 | – | 19 SEER2 | 20 SEER2 | 20 SEER2 | – |
| Mounting Type | – | – | Wall-Mounted | – | Wall-Mounted | – | – | – | – | Wall-Mounted | – | – | – | – | – |
| Use | – | Home Office | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Dimensions | 12.4 × 39.6 × 9.5 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 | 8.07 × 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 | 7.48 × 31.9 × 12 inches | 32.5 × 25.2 × 31.3 inches |
| Weight | 112 pounds | 151 pounds | 68 pounds | – | 25 pounds | 22 pounds | 20.9 pounds | 20.9 pounds | 61 pounds | – | 16.5 pounds | – | 70 pounds | 18.7 pounds | 84.1 pounds |
| Size | 18000BTU,230V,19 SEER2 | 19 SEER2, 18,000BTU 208-230V | 24000BTU, 208-230V, 18.5 SEER | 12000-208/230 | 9000 BTU 110/120V | – | 115V-12000BTU | – | 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 | 12,000 BTU – 115V / 20 SEER2 | SEER 17, 12000BTU, 115V, without WiFi |
| Model | CE0-1 | SAC011 | 10153-CYJV | 12000BTU-230V | SENL-09CD-16 | MAYIH4qu0k | 0745-S120-4 | Blast Pro | TL-12K2VB-23S-I+O | Diamante | 12K2VR-22S-M-I+O | – | RV09T1/20-I/RV09T1/20-O | TC-12K1VR-20S-I+O | COjmYD7VixlDriHtbp3p-wQTh31 |
If you need different capacity ratings or physical dimensions, you can compare albott mini split air conditioner alternatives.
How to choose the right one
Match BTU to room size
Select the cooling capacity that matches your space. The Senville LETO 9000 BTU unit fits small rooms with its lower output. For medium spaces up to 750 square feet, consider the Mountman 12000 BTU or YITAHOME 12000 BTU models. Larger areas around 1,250 square feet require higher capacity. The Rellytech 18000 BTU and COSTWAY 24000 BTU units provide more power for bigger rooms. Choosing the right BTU ensures efficient temperature control without wasting energy on an oversized system.
Check voltage requirements
Verify your home electrical system before buying. Most high-capacity units here need 230V or 208-230V circuits, like the Rellytech 18000 BTU and Albott 18k BTU. If you only have standard 115V outlets, look at the Senville LETO 9000 BTU or YITAHOME 12000 BTU. The YITAHOME model runs on 115V while offering strong performance. Using the wrong voltage can damage the unit or prevent installation. Always check the spec sheet for the exact voltage requirement listed by the manufacturer.
Compare SEER2 ratings
Higher SEER2 ratings mean better energy efficiency. The Della Vario 12K BTU leads with a 23 SEER2 rating for top-tier savings. The YITAHOME 12000 BTU and ROVSUN 9000 BTU both offer 20 SEER2 ratings. The Tehanld 12000 BTU has a 17 SEER2 rating, which is lower. You should compare these numbers if power costs matter. A higher rating reduces long-term electricity usage. Check the attributes section for the specific SEER2 value to ensure you get the efficiency level you need.
Review control methods
Decide how you want to operate the unit. Many models support Wi-Fi app control and voice commands with Alexa. The YITAHOME 12000 BTU and COSTWAY Blast Pro 18000 BTU include these smart features. The GarveeHome 12000 BTU focuses on remote control and Wi-Fi. The Senville LETO 9000 BTU supports voice control. Check the control method in the attributes. If you prefer manual operation, a remote is key. If you want automation, ensure the unit supports your preferred smart home platform.
Assess physical dimensions
Measure your wall space before purchasing. The indoor unit size varies significantly. The Albott 18k BTU is 37.8 inches long, while the COSTWAY Blast Pro is 35.8 inches. The YITAHOME 12000 BTU is compact at 31.2 inches long. The GarveeHome 12000 BTU is notably wider at 31.3 inches high. Check the specs for width, height, and length. Ensure the unit fits your intended mounting location with adequate clearance. Proper sizing prevents installation issues and ensures the airflow is not obstructed by nearby walls or furniture.
Frequently asked questions
Do inverter mini splits heat as well as they cool?
Yes. All listed models support heating operation. The Rellytech 18000 BTU and Albott 18k BTU units provide robust heating for medium rooms. The Senville LETO 9000 BTU is designed for small rooms with strong warranty support. You get year-round comfort from a single inverter system.
Which mini split is best for small rooms?
The Senville LETO 9000 BTU 115V is ideal for small spaces. It runs on standard 120V outlets and weighs only 25 pounds. The Pioneer Diamante Pro 9000 BTU also fits small rooms and includes a complete installation kit. Both offer efficient inverter cooling for compact areas.
Can I control my mini split with my phone?
Several models include Wi-Fi app control. The YITAHOME 12000 BTU and COSTWAY Blast Pro 18000 BTU allow remote management via smartphone. The DELLA Serena 12000 BTU also supports voice control through Alexa. You can adjust settings from anywhere with these smart-compatible units.
Is a 230V mini split better than 115V?
Higher voltage models often deliver more power. The Rellytech and Albott units use 230V for strong performance in larger spaces. However, 115V options like the GarveeHome 12000 BTU work with standard outlets. Choose based on your home’s electrical circuit and the room size you need to condition.
Which inverter AC is the most energy efficient?
The DELLA Vario 12K BTU leads with a 23 SEER2 rating. The YITAHOME 12000 BTU and COSTWAY Blast Pro 18000 BTU both offer 20 SEER2 efficiency. Higher SEER2 ratings indicate better energy savings. You get lower electricity usage with these high-efficiency inverter compressors.
Do these units work in cold weather?
Most provide heating for winter comfort. The Pioneer Diamante Pro 9000 BTU supports cold-climate heating down to -4°F. The Rellytech 18000 BTU offers robust heating for medium rooms. You can maintain consistent temperatures year-round with these inverter-driven heat pump systems.