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These are the best mini split air conditioners with wi fi, compared by published specifications. We reviewed 15 models to help you find the right unit for your space. The Rellytech 12000 BTU 20 SEER2 Mini Split leads this list because its 20 SEER2 rating offers strong energy efficiency for 115V homes needing 12000 BTU cooling. All selections rely strictly on data from the product listings. This guide helps you decide which voltage, capacity, and smart features fit your room size and power setup.
Match voltage to your outlet
Check your wall outlet before buying. Most units need 115V, but some require 208-230V. The Rellytech 12000 BTU fits standard 115V circuits. The COSTWAY Blast Pro needs 208-230V wiring. Using the wrong voltage prevents installation. Verify your home’s electrical specs first to ensure compatibility and safe operation.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Rellytech 12000 BTU 20 SEER2 Mini Split Best overall | 115V homes needing 12000 BTU cooling | |
| 2 | Albott DIY 12,000 BTU 115V Mini Split Best offices | offices with standard 115V power | |
| 3 | Mountman 12000 BTU 120V Mini Split Best 120v | 120V installations needing smart controls | |
| 4 | YITAHOME 12000 BTU 115V Mini Split Best budget | Standard 115V outlets and smart control | |
| 5 | COSTWAY Blast Pro 18000 BTU 230V Best 208-230v | large rooms with 208-230V power | |
| 6 | Temprium 18,000 BTU Mini Split AC Best premium | large rooms with 230V power | |
| 7 | Della Vario 9000 BTU Mini Split Also great | small rooms needing quiet, smart cooling | |
| 8 | DELLA Serena CloudAir 12k BTU 22 SEER2 Also great | quiet, energy-efficient cooling in small rooms | |
| 9 | ROVSUN 9000 BTU 20 SEER2 Mini Split Also great | small rooms needing quiet Wi-Fi control | |
| 10 | Garvee 9000 BTU 19 SEER2 Mini Split Best remote | small rooms with 115V outlets | |
| 11 | DELLA Vita 12K BTU 115V Mini Split Also great | 115V medium rooms needing smart app control | |
| 12 | DELLA Econo 11,500 BTU 230V Best 17 seer2 | 550 sq ft rooms with 230V power | |
| 13 | GarveeHome 12000 BTU 21 SEER2 Mini Split Also great | Efficient cooling in 750 sq ft rooms with 230V power | |
| 14 | Upstreman 12000 BTU 230V Silver Mini Split Best silver | 230V installations with included brackets | |
| 15 | DELLA 18K BTU Dual Zone Mini Split Also great | two-room cooling with 230V power |
The best fit for you
- You need reliable 115V cooling for a medium room – Rellytech 12000 BTU 20 SEER2 Mini Split – It runs on standard 115V power and covers 750 square feet efficiently.
- You want the most efficient 115V model for small spaces – DELLA Serena CloudAir 12k BTU 22 SEER2 – It achieves 22 SEER2 efficiency, making it the most energy-efficient option for 115V circuits.
- You need powerful cooling for large rooms with high voltage – COSTWAY Blast Pro 18000 BTU 230V – It delivers 18000 BTU on 208-230V power to handle larger spaces effectively.
- You want smart control for two separate rooms – DELLA 18K BTU Dual Zone Mini Split – It is a dual-zone system that manages two rooms with a single Wi-Fi connection.
Rellytech 12000 BTU 20 SEER2 Mini Split
Best for: 115V homes needing 12000 BTU cooling
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 20
- Voltage
- 110V/115V
- Smart Compatibility
- Wi-Fi, voice control, remote
The Rellytech 12000 BTU mini split provides cooling and heating for spaces up to 750 square feet. It operates on a standard 115V circuit and carries a 20 SEER2 rating for energy efficiency. Wi-Fi connectivity lets you control the unit via smartphone or voice commands. The system includes a remote with a digital display and supports multiple operating modes for year-round comfort.
- 20 SEER2 energy efficiency rating
- Wi-Fi app and voice control
- Operates on 115V power
- Covers up to 750 square feet
- Includes remote with digital display
- Lower SEER2 rating than 21 and 23 SEER2 competitors
- Smaller 12000 BTU capacity compared to 18000 BTU models
- Heavier at 75.3 pounds
- You need a 115V unit for standard outlets
- You want Wi-Fi control for a 750 sq ft space
- You prefer a 20 SEER2 efficiency level
- You require more than 12000 BTU of cooling power
- You need a 230V connection instead of 115V
- You want the highest 23 SEER2 efficiency available
Verdict: Rellytech 12000 BTU 115V Mini Split suits those who need reliable Wi-Fi control and standard 115V compatibility for medium-sized rooms.
Albott DIY 12,000 BTU 115V Mini Split
Best for: offices with standard 115V power
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 18 SEER2
- Voltage
- 115V
- Smart Compatibility
- WiFi
This Albott mini split offers 12,000 BTU cooling and heating for spaces up to 750 square feet. It operates on standard 115V power and carries an 18 SEER2 rating. The indoor unit is pre-wired to simplify setup, and the outdoor unit requires no vacuuming. You can control it via Wi-Fi app. It includes self-cleaning features and runs in temperatures from 5°F to 122°F.
- Pre-wired indoor unit simplifies installation
- Outdoor unit requires no vacuuming
- Standard 115V electrical connection
- Wi-Fi app control included
- Self-cleaning function available
- 18 SEER2 rating is lower than many competitors offering 19 SEER2 or higher
- 115V power requirement limits use in regions requiring 208-230V
- Heavier build at 151 pounds compared to lighter 9,000 BTU models
- You want a pre-wired system for easier DIY installation
- You have a standard 115V electrical outlet available
- You need Wi-Fi control for an office space
- You require the highest SEER2 efficiency rating available
- Your location mandates 208-230V electrical systems
- You prefer a lighter unit for easier mounting
Verdict: Albott DIY 12,000 BTU 115V Mini Split suits office users who prioritize simplified installation and standard voltage. It delivers reliable performance for medium-sized rooms, though its efficiency rating trails some higher-end competitors.
Mountman 12000 BTU 120V Mini Split
Best for: 120V installations needing smart controls
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 19 SEER2
- Voltage
- 110/120V
- Smart Compatibility
- Wi-Fi, Alexa, remote control
This Mountman mini split delivers 12,000 BTU of cooling and heating power on a standard 120V circuit. It achieves a 19 SEER2 efficiency rating, which is lower than the 20 SEER2 or higher ratings found in several competing models on this list. The unit includes built-in Wi-Fi for app control and works with Alexa. It covers rooms up to 750 square feet and operates quietly at 26 dB in sleep mode.
- Runs on a standard 120V outlet
- Wi-Fi and Alexa compatible
- Ultra-quiet 26 dB sleep mode
- Covers up to 750 square feet
- 19 SEER2 rating is lower than the 20+ SEER2 ratings of competitors
- 12000 BTU capacity is less than the 18000 BTU options available
- You need a 120V unit for easier installation
- You want Wi-Fi control with Alexa support
- You are cooling a room up to 750 square feet
- You require the highest SEER2 efficiency rating available
- You need more than 12000 BTU of cooling power
- You are installing in a space larger than 750 square feet
Verdict: Mountman 12000 BTU 120V Mini Split is a practical choice for homeowners who need a standard 120V connection and smart controls, provided you do not require the highest efficiency or maximum cooling capacity.
YITAHOME 12000 BTU 115V Mini Split
Best for: Standard 115V outlets and smart control
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- 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 via a 20 SEER2 inverter system. It runs on standard 115V power, making it accessible for most home circuits. Wi-Fi and Alexa voice control allow you to manage settings remotely. The indoor unit covers up to 750 square feet and operates quietly at under 41 dB. You get four fan speeds and five modes for precise comfort.
- 20 SEER2 energy efficiency rating
- Standard 115V electrical connection
- Wi-Fi and Alexa voice control
- Quiet operation under 41 dB
- Covers up to 750 sq. ft.
- Lower SEER2 rating than 23 SEER2 competitors
- Smaller 12,000 BTU capacity than 18,000 BTU models
- Heavier 22-pound indoor unit than lighter alternatives
- You need standard 115V outlet compatibility
- You want Wi-Fi control with Alexa support
- You are cooling a room up to 750 sq. ft.
- You require 230V high-efficiency 23 SEER2 performance
- You need 18,000 BTU for larger spaces
- You prefer lighter indoor units under 20 pounds
Verdict: YITAHOME 12000 BTU 115V Mini Split suits buyers who prioritize easy 115V installation and smart home integration over maximum efficiency. It is a solid mid-range option for standard-sized rooms.
COSTWAY Blast Pro 18000 BTU 230V
Best for: large rooms with 208-230V power
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- 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 unit delivers 18,000 BTU 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 it via Wi-Fi app or voice commands with Alexa. The system includes a 4D airflow design and runs as low as 28 dB. It features self-cleaning and child lock modes for steady performance.
- 20 SEER2 energy efficiency rating
- Wi-Fi and Alexa voice control
- Covers up to 1,250 sq. ft.
- Quiet operation at 28 dB
- Requires 208-230V power connection
- Heavier indoor unit at 20.9 pounds
- You have a 208-230V electrical circuit
- You need coverage for large rooms
- You want smart app control
- You only have a 115V outlet
- You need a smaller 9,000 BTU unit
- You prefer a lighter indoor unit
Verdict: COSTWAY 18000 BTU 208-230V Mini Split suits large spaces with dedicated 208-230V wiring. It offers high efficiency and smart control for users who need powerful cooling and heating.
Temprium 18,000 BTU Mini Split AC
Best for: large rooms with 230V power
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App
- 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 a 230V circuit and achieves a 20 SEER2 rating for efficient energy use. You can control the system via Wi-Fi app or voice assistants like Alexa. The indoor unit runs as quietly as 28 dB, making it suitable for bedrooms or offices. It includes a backlit remote with seven operating modes and four-way auto swing for targeted comfort.
- 20 SEER2 energy efficiency rating
- Wi-Fi and voice control compatibility
- Quiet operation at 28 dB
- Covers areas up to 1,250 sq. ft.
- Requires 230V electrical connection
- Heavier at 40.8 pounds
- You need strong cooling for a large room
- You have a 230V outlet available
- You want quiet operation for sleeping
- You only have a standard 115V outlet
- You need a smaller 9,000 BTU unit
- You prefer a lighter indoor unit
Verdict: Temprium 18,000 BTU Mini Split AC is a solid choice for homeowners with 230V power who need powerful cooling for large spaces. It fits well in rooms where quiet operation and smart control are priorities.
Della Vario 9000 BTU Mini Split
Best for: small rooms needing quiet, smart cooling
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- Cooling Capacity
- 9000 BTU
- Coverage Area
- Up to 400 Sq. Ft
- SEER2 Rating
- 20 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- Alexa, Wi-Fi app, remote control
The DELLA Vario Series 9000 BTU mini split offers 20 SEER2 efficiency on 230V power. It covers up to 400 square feet and operates at 29 dBa. You get Wi-Fi and Alexa control, plus a smart sensor in the remote. This unit is ideal for smaller rooms where quiet operation and precise temperature adjustment matter more than raw cooling power.
- 20 SEER2 energy efficiency rating
- Ultra-quiet 29 dBa operation
- Smart sensor in the remote control
- Works with Alexa and Wi-Fi app
- 9000 BTU capacity is lower than most competitors
- Covers only 400 square feet
- Requires professional installation
- You need quiet cooling for a small bedroom
- You want smart control via Alexa
- You have a 230V outlet available
- You need to cool a large open space
- You prefer a DIY installation
- You require 12,000 BTU or higher
Verdict: DELLA Vario 9000 BTU Mini Split is a quiet, efficient choice for small rooms where you value smart features over high output. It fits users who prioritize low noise and precise remote sensing.
DELLA Serena CloudAir 12k BTU 22 SEER2
Best for: quiet, energy-efficient cooling in small rooms
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 550 sq ft
- SEER2 Rating
- 22 SEER2
- Voltage
- 115V
- Smart Compatibility
- WiFi, DELLA app, Alexa, Google Home
The DELLA Serena CloudAir Series is a 12,000 BTU mini split designed for rooms up to 550 square feet. It features a 22 SEER2 rating and 115V power. You get Wi-Fi control via the app or voice commands with Alexa. The unit offers soft, indirect airflow and operates as low as 23 dBA. It includes a base pan heater for heating down to 5°F. This model suits those prioritizing quiet operation and energy efficiency in moderate climates.
- 22 SEER2 energy efficiency rating
- Ultra-quiet 23 dBA operation in mute mode
- Wi-Fi and Alexa voice control
- Soft, indirect airflow design
- Base pan heater for 5°F heating
- 115V voltage requires a standard outlet
- 550 sq ft coverage limit
- Heating down to 5°F only
- You need quiet cooling for a bedroom
- You have a standard 115V outlet
- You want soft, indirect airflow
- You need heating below 5°F
- You have a space larger than 550 sq ft
- You require 230V power
Verdict: DELLA Serena CloudAir 12,000 BTU is a strong fit for bedrooms or small offices where quiet, gentle cooling matters most. It works well for users with standard 115V outlets who value energy efficiency and smart control.
ROVSUN 9000 BTU 20 SEER2 Mini Split
Best for: small rooms needing quiet Wi-Fi control
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App
- 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 mini split offers 9,000 BTU cooling and heating for spaces up to 400 square feet. It runs on 115V power and achieves a 20 SEER2 efficiency rating. You can control it via Wi-Fi app or voice assistants like Alexa. The unit operates quietly at 28dB in mute mode. It includes inverter technology to adjust compressor speed for energy savings. This model suits smaller rooms needing reliable year-round climate control.
- 20 SEER2 energy efficiency rating
- Wi-Fi and voice control compatibility
- Ultra-quiet 28dB operation in mute mode
- Inverter technology for energy savings
- Lower 9,000 BTU capacity than many competitors
- Heavier 70-pound build weight
- Requires 115V power connection
- You need Wi-Fi control for a small room
- You want quiet operation in a bedroom
- You have a 115V electrical outlet available
- You require more than 9,000 BTU of cooling
- You need a 230V system for higher power
- You prefer a lighter, more compact unit
Verdict: ROVSUN 9000 BTU Mini Split AC delivers efficient cooling for small spaces with quiet operation and smart controls. It fits buyers who prioritize low noise and app management over raw power output.
Garvee 9000 BTU 19 SEER2 Mini Split
Best for: small rooms with 115V outlets
- Control Method
- Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi App
- Cooling Capacity
- 9000 BTU
- Coverage Area
- Up to 450 Sq. Ft
- SEER2 Rating
- 19
- Voltage
- 115 V
- Smart Compatibility
- WiFi, remote control
This Garvee mini split provides 9,000 BTU cooling and heating for spaces up to 450 square feet. It operates on 115V power with a 19 SEER2 rating. The unit includes Wi-Fi app control and a remote. You get six modes, including a health feature with negative ions. It runs quietly at 23 dB. This model suits smaller rooms where you need reliable, efficient climate control without heavy electrical infrastructure.
- 19 SEER2 energy efficiency rating
- Wi-Fi and remote control options
- Quiet 23 dB operation level
- Health mode with negative ions
- Cools and heats up to 450 sq. ft.
- Lower 9,000 BTU capacity compared to 12,000 or 18,000 BTU options
- Heavier 77.2 pound weight than lighter competitors
- Only 115V voltage support, limiting installation flexibility
- You need cooling for a room under 450 square feet
- You have a standard 115V outlet available
- You want a quiet unit for a bedroom
- You require heating for a large open space
- You only have 230V electrical circuits
- You need a unit with higher BTU output
Verdict: Garvee 9000 BTU Mini Split AC w/WiFi fits small rooms where 115V power is standard and quiet operation matters. It delivers efficient cooling without the bulk of higher-capacity systems.
DELLA Vita 12K BTU 115V Mini Split
Best for: 115V medium rooms needing smart app control
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- 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 designed for rooms up to 550 square feet. It operates on 115V power and carries a 20 SEER2 efficiency rating. The unit includes Wi-Fi app control and voice assistant compatibility. It cools and heats effectively, with heating performance down to -4℉. The indoor unit weighs 18.7 pounds and runs quietly at 28 dB. This model suits users seeking a balance of efficiency and smart features for medium-sized spaces.
- 20 SEER2 energy efficiency rating for reduced consumption
- Wi-Fi app control with Alexa and Google Assistant compatibility
- "I Feel" sensor adjusts temperature based on remote location
- Ultra-quiet operation at 28 dB for bedrooms and offices
- Heating performance reliable in temperatures as low as -4℉
- 18.7 pound indoor unit weight is heavier than lighter competitors
- 115V voltage rating limits compatibility compared to 230V models
- 550 square foot coverage is smaller than 18,000 BTU options
- You need a 115V unit for standard household circuits
- You want smart control via a dedicated app or voice commands
- You are cooling a room between 300 and 550 square feet
- You require a 230V connection for higher efficiency
- You need to cool a space larger than 550 square feet
- You prefer a lighter indoor unit under 18 pounds
Verdict: DELLA Vita 12000 BTU 20 SEER2 Mini Split offers reliable 115V performance with smart features for medium rooms. It fits users who value quiet operation and app control over maximum heating capacity or 230V efficiency.
DELLA Econo 11,500 BTU 230V
Best for: 550 sq ft rooms with 230V power
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- Cooling Capacity
- 11500 BTU/h
- Coverage Area
- Up to 550 Sq. Ft
- SEER2 Rating
- 17 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- Alexa, DELLA app, remote control
This 11,500 BTU mini split offers 17 SEER2 efficiency on 230V power. It covers up to 550 square feet with inverter technology for steady temperature control. Wi-Fi and Alexa compatibility let you adjust settings remotely. The unit includes a 16.4-foot installation kit and operates quietly at 33 dBA. It suits those needing professional setup for a moderately sized room.
- 17 SEER2 energy efficiency rating
- Wi-Fi and Alexa smart control
- Ultra-quiet 33 dBA operation
- 4D airflow for even distribution
- Includes 16.4ft installation kit
- 17 SEER2 is lower than competitors offering 19 to 23 SEER2
- 11,500 BTU capacity is smaller than many 12,000 or 18,000 BTU options
- Requires professional installation rather than DIY setup
- You need Wi-Fi control for a 550 square foot room
- You have a 230V electrical circuit available
- You want quiet operation at 33 dBA
- You want a higher SEER2 rating than 17
- You prefer a DIY installation process
- You need more than 11,500 BTU of cooling power
Verdict: DELLA 11500 BTU 230V Mini Split is a solid choice for rooms up to 550 square feet that require smart control and quiet performance. It fits users willing to pay for professional installation to get steady inverter cooling.
GarveeHome 12000 BTU 21 SEER2 Mini Split
Best for: Efficient cooling in 750 sq ft rooms with 230V power
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 750 sq ft
- Voltage
- 230V
- Smart Compatibility
- Wi-Fi, remote control
- Color
- White
This GarveeHome unit delivers 12,000 BTU of cooling and heating power for spaces up to 750 square feet. It operates on a 230V circuit and achieves a SEER2 rating of 21. You control the system via Wi-Fi or the included remote. The indoor unit weighs 82.9 pounds and measures 32.5 inches wide. It runs quietly at 32dB. This model suits users who want high efficiency and smart control in a standard-sized package.
- SEER2 rating of 21 for efficient energy use
- Wi-Fi and app control for remote management
- Ultra-quiet operation at 32dB noise level
- Covers rooms up to 750 square feet
- Heavier build at 82.9 pounds compared to lighter competitors
- Requires 230V electrical connection instead of 115V
- You need a high-efficiency unit for a 750 sq ft room
- You have a 230V circuit available for installation
- You want quiet operation under 35dB for bedrooms
- You only have standard 115V outlets available
- You prefer a lighter indoor unit under 70 pounds
- You need a unit larger than 12,000 BTU
Verdict: GarveeHome 12000 BTU 230V Mini Split offers strong efficiency and quiet performance for medium-sized rooms. It is a solid pick for homeowners with 230V wiring who value smart features and low noise.
Upstreman 12000 BTU 230V Silver Mini Split
Best for: 230V installations with included brackets
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 20 SEER2
- Voltage
- 230V
- Smart Compatibility
- WiFi, Smart Life app
This 12,000 BTU mini split offers 20 SEER2 efficiency for spaces up to 750 square feet. It runs on 230V power and features Wi-Fi app control via Smart Life. The unit includes a 24-hour timer and operates quietly at 25 dB. You get heavy-duty mounting brackets included. The silver finish provides a modern look. It handles outdoor temperatures from -4°F to 122°F.
- 20 SEER2 energy efficiency rating
- Wi-Fi connectivity for app control
- Includes heavy-duty waterproof mounting brackets
- Ultra-quiet operation at 25 dB
- Operates in temperatures from -4°F to 122°F
- Requires 230V electrical connection
- Heavier build at 112 pounds
- You have a 230V outlet available
- You want included mounting hardware
- You prefer a silver finish
- You only have 115V outlets
- You need a 18,000 BTU unit
- You want a white finish
Verdict: Upstreman 12000 BTU 230V Silver Mini Split suits users with 230V wiring who value included brackets and quiet performance. It fits homes needing efficient cooling and heating in moderate climates.
DELLA 18K BTU Dual Zone Mini Split
Best for: two-room cooling with 230V power
- Control Method
- Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
- Cooling Capacity
- 18000 BTU
- Coverage Area
- Up to 850 Sq.Ft
- SEER2 Rating
- 22 SEER2
- Voltage
- 230V
- Number of Zones
- 2 Zone
This 230V mini split system delivers 18,000 BTU total cooling across two zones, split as 12,000 and 7,000 BTU. It features a 22 SEER2 rating and inverter technology for efficient operation. You can control it via the app, voice commands, or remote. The unit includes a bottom heating element for reliable performance in cold weather down to -13°F. It is designed for professional installation and covers rooms up to 850 square feet.
- 22 SEER2 energy efficiency rating
- 230V electrical connection
- Alexa and Google Home voice control
- Bottom heating element for defrosting
- 2-zone configuration with 12K and 7K BTU
- Lower SEER2 rating than the 23 SEER2 options on the list
- Requires professional installation rather than DIY setup
- Fixed 12,000 plus 7,000 BTU zone split limits flexibility
- You need to cool two separate rooms simultaneously
- You have a 230V electrical outlet available
- You want voice control via Alexa or Google Home
- You prefer a DIY installation without professional help
- You need a single zone unit for one room
- You require a 115V electrical connection
Verdict: DELLA 18K BTU 2-Zone Mini Split suits households needing multi-room climate control with high efficiency. It is ideal for users with 230V power who value smart home integration and reliable heating in cold climates.
Specifications side by side
| Spec | Rellytech 12000 BTU 20 SEER2 Mini Split | Albott DIY 12,000 BTU 115V Mini Split | Mountman 12000 BTU 120V Mini Split | YITAHOME 12000 BTU 115V Mini Split | COSTWAY Blast Pro 18000 BTU 230V | Temprium 18,000 BTU Mini Split AC | Della Vario 9000 BTU Mini Split | DELLA Serena CloudAir 12k BTU 22 SEER2 | ROVSUN 9000 BTU 20 SEER2 Mini Split | Garvee 9000 BTU 19 SEER2 Mini Split | DELLA Vita 12K BTU 115V Mini Split | DELLA Econo 11,500 BTU 230V | GarveeHome 12000 BTU 21 SEER2 Mini Split | Upstreman 12000 BTU 230V Silver Mini Split | DELLA 18K BTU Dual Zone Mini Split |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooling Capacity | 12000 BTU | 12,000 BTU | 12000 BTU | 12,000 BTU | 18000 BTU | 18000 BTU | 9000 BTU | 12,000 BTU | 9000 BTU | 9000 BTU | 12,000 BTU | 11500 BTU/h | 12,000 BTU | 12000 BTU | 18000 BTU |
| Coverage Area | Up to 750 sq ft | Up to 750 sq ft | Up to 750 sq ft | 750 sq ft | Up to 1250 sq ft | Up to 1250 sq ft | Up to 400 Sq. Ft | Up to 550 sq ft | up to 400 sq.ft. | Up to 450 Sq. Ft | 550 sq ft | Up to 550 Sq. Ft | Up to 750 sq ft | Up to 750 sq ft | Up to 850 Sq.Ft |
| SEER2 Rating | 20 | 18 SEER2 | 19 SEER2 | 20 | 20 SEER2 | 20 SEER2 | 20 SEER2 | 22 SEER2 | 20 SEER2 | 19 | 20 | 17 SEER2 | – | 20 SEER2 | 22 SEER2 |
| Voltage | 110V/115V | 115V | 110/120V | 115V | 208/230V | 230V | 208-230V | 115V | 115V | 115 V | 115V | 208-230V | 230V | 230V | 230V |
| Number of Zones | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 Zone |
| Smart Compatibility | Wi-Fi, voice control, remote | WiFi | Wi-Fi, Alexa, remote control | Alexa, Wi-Fi, remote | Alexa, Google Assistant, Wi-Fi, remote | – | Alexa, Wi-Fi app, remote control | WiFi, DELLA app, Alexa, Google Home | app, Alexa, Google Assistant, remote | WiFi, remote control | Alexa, Google Assistant, DELLA App | Alexa, DELLA app, remote control | Wi-Fi, remote control | WiFi, Smart Life app | Alexa, Google Home, Wi-Fi, remote |
| Operating Modes | Cooling, heat pump, dry, fan-only | Cooling, heating, dehumidifying, fan | Cool, Heat, Dry, Fan | Auto, Cooling, Drying, Heating, Fan | Auto, cool, heat, dry, fan, ECO, sleep | Auto, Cool, Heat, Dry, Fan, Sleep, ECO | Heating, cooling, dry | – | cooling, heating, dehumidification | Cool, Fan, Dry, Heat, Eco, Auto | – | Cooling, heating, dry | – | Auto, Cool, Heat, Dry, Fan, Sleep, Eco | Heating, cooling, dry, auto |
| Room | – | Offices | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Features | Inverter, Quiet Operation | Inverter | Inverter | Inverter, Cover | Inverter | Quiet Operation | Inverter | Inverter | Inverter | Remote, Quiet Operation | Inverter | Inverter | – | Inverter | Inverter |
| Control Method | Wi-Fi, Wi-Fi App Control, Wi-Fi App | Wi-Fi, Wi-Fi App Control, Wi-Fi App | 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 | 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, 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 | Wi-Fi, Wi-Fi App Control, Wi-Fi App | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control |
| Room Type | – | Office | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Color | White | White | White | White | White | White | White | White | White | White | White | White | White | Silver | White with Line set |
| Operating Mode | Heater | Heater | Heater | Heater | Heater | Heater | Heater | Heater | Heater | Heater | Heater | Heater | – | – | Heater |
| SEER Rating | 20 SEER2 | 18 SEER2 | 19 SEER2 | 20 SEER2 | 20 SEER2 | 20 SEER2 | 20 SEER2 | – | 20 SEER2 | 19 SEER2 | 20 SEER2 | 17 SEER2 | – | 20 SEER2 | – |
| Use | – | Indoor Use, Home Office | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Dimensions | 8.66 × 31.9 × 11.4 inches | 7.6 × 32.1 × 11.2 inches | 8.23 × 32.3 × 11.9 inches | 7.9 × 31.2 × 11.5 inches | 7.68 × 35.8 × 12 inches | 8.74 × 37.8 × 12.4 inches | 8 × 31.9 × 11.5 inches | 7.9 × 32.6 × 11.8 inches | 7.99 × 31.9 × 11.5 inches | 33 × 13.4 × 21.4 inches | 7.48 × 31.9 × 12 inches | 7.91 × 30.6 × 9.84 inches | 32.5 × 23.6 × 28.7 inches | 37.3 × 28.1 × 26.8 inches | 7.87 × 30.2 × 11.8 inches |
| Weight | 75.3 pounds | 151 pounds | 70.4 pounds | 22 pounds | 20.9 pounds | 40.8 pounds | 19.8 pounds | 18.3 pounds | 70 pounds | 77.2 pounds | 18.7 pounds | 67.2 pounds | 82.9 pounds | 112 pounds | 16.5 pounds |
| Size | 12000BTU,115V,20 SEER2-WiFi | DIY Series-12,000 BTU 115V | – | – | – | 18,000 BTU, 230V, 20 SEER2 | 9,000 BTU – 230V / 20 SEER2 | CloudAir – 12,000 BTU 115V – 22 SEER2 | 8.07"D x 31.92"W x 11.49"H | 9K-115V-19 SEER2-L Panel | 12,000 BTU – 115V / 20 SEER2 | 11,500 BTU 230V – 17 SEER2 | SEER 21, 12000BTU, 230V, with WiFi | 12000BTU 230V | 2 Zone – 18000 BTU 7+12 |
| Model | CE0-1 | SAC012 | MM-HWF12-115 | MAYIH4qu0k | Blast Pro | SAC002-A-18KWH-US | TL-9K2VB-20S-I+O | 12K1VR-22S-MX-I+O_1 | RV09T1/20-I/RV09T1/20-O | Fx687lJwy5nQamQTqh-MMAFg2n | TC-12K1VR-20S-I+O | IF-11K2VR-17S-I+O | LL-SplitAC-S211W2230V8X | UI12 | 18KM+D712 |
You can compare efficiency ratings across the best mini splits with wi fi before selecting a model for your home.
How to Choose the Right Mini Split
Match BTU to Room Size
BTU rating determines cooling power. Higher BTUs handle larger spaces. The Rellytech 12000 BTU covers 750 square feet. This fits medium rooms well. If you have a large space, consider the COSTWAY Blast Pro 18000 BTU. It covers 1,250 square feet. Small rooms need less power. The Della Vario 9000 BTU suits compact areas. Choosing the correct BTU prevents wasted energy. It also ensures the unit cools effectively without short cycling. Check your square footage before buying.
Check Voltage Compatibility
Voltage determines your electrical setup. Most homes use 115V outlets. The Rellytech and Albott units work with standard 115V circuits. This simplifies installation for many users. Some powerful models need 208-230V wiring. The COSTWAY Blast Pro and Temprium require higher voltage. Using the wrong voltage prevents operation. Verify your home’s electrical specs first. If you have 230V available, you can choose higher capacity units. Mismatching voltage causes installation failures. Always check the label.
Compare SEER2 Efficiency
SEER2 measures energy efficiency. Higher numbers mean lower electricity bills. The Della Serena CloudAir reaches 22 SEER2. This is the highest efficiency on the list. It saves energy in small rooms. Many units offer 20 SEER2. The Rellytech and YITAHOME models share this rating. Lower ratings like 17 SEER2 exist. The Della Econo has this rating. It costs less upfront but uses more power. Choose a higher SEER2 if you run the unit often. It pays off over time.
Select Desired Features
Features change daily convenience. Inverter technology adjusts compressor speed. It maintains steady temperatures. Most listed models include inverters. Quiet operation is another key feature. The Temprium and Della Vario prioritize low noise. This suits bedrooms or offices. Some units include voice control. The YITAHOME and Della Vita work with Alexa. This allows hands-free adjustments. Check the feature list carefully. Inverters save energy. Quiet modes improve comfort. Voice control adds convenience for smart homes.
Verify Control Methods
Wi-Fi enables remote management. All listed units support Wi-Fi app control. You can adjust settings from your phone. Some models add voice control. The YITAHOME and COSTWAY Blast Pro support Alexa. This integrates with smart home routines. Most units also include remote controls. The Garvee model highlights remote functionality. This is useful for quick adjustments. Wi-Fi allows scheduling and monitoring. You can turn off units before leaving. Smart controls add flexibility. Check if voice assistants are supported for your ecosystem.
Frequently asked questions
Can I control my mini split with my phone?
Yes, all units in this list feature Wi-Fi control. You can manage settings through a dedicated app on your smartphone. Some models, like the YITAHOME and COSTWAY Blast Pro, also support voice control via Alexa. This allows you to adjust temperatures remotely from anywhere with an internet connection.
Which mini split is best for a small room?
For small spaces, consider the Della Vario 9000 BTU or the Garvee 9000 BTU. These units are designed for smaller areas and offer quiet operation. The Della Serena CloudAir 12k BTU is also a strong option for small rooms, providing efficient cooling with a high 22 SEER2 rating for energy savings.
Do I need 220V power for these units?
Not necessarily. Most models here, such as the Rellytech and Albott, run on standard 115V outlets. However, larger or more efficient units like the COSTWAY Blast Pro and Temprium require 208-230V wiring. Check your home’s electrical capacity before buying to ensure the unit matches your available power source.
How efficient are these Wi-Fi mini splits?
Efficiency varies by model, measured in SEER2 ratings. The Della Serena CloudAir leads with a 22 SEER2 rating. Most others, including the Rellytech and YITAHOME, offer 20 SEER2. Higher SEER2 numbers indicate better energy efficiency, which can lower your electricity costs over time while maintaining consistent indoor temperatures.
Can these units heat my home as well?
Yes, every model listed includes heating capabilities. They operate in both cooling and heating modes using inverter technology. This allows for precise temperature control in both summer and winter. You can switch between modes easily using the Wi-Fi app or voice commands if your specific model supports them.
Are these mini splits quiet during operation?
Many models prioritize low noise levels. The Temprium and Della Vario are noted for quiet operation, making them suitable for bedrooms or offices. The Garvee and ROVSUN also emphasize quiet performance. Check the product specifications for exact decibel ratings if noise is a primary concern for your specific room environment.
What is the coverage area for a 12000 BTU unit?
A 12000 BTU unit typically covers up to 750 square feet. This size is ideal for medium-sized rooms like master bedrooms or home offices. The Rellytech and YITAHOME models fall into this category. Larger spaces may require 18000 BTU units, such as the COSTWAY Blast Pro, which covers 1,250 square feet.