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Finding the best mini split air conditioners with wi fi app control requires looking at the actual specifications. We compared 15 models ranked by their published data. The Rellytech 12000 BTU 20 SEER2 Mini Split leads this list because its 20 SEER2 rating offers high energy efficiency for 115V homes needing 12,000 BTU. All picks are based on specs like voltage, SEER2 ratings, and coverage area found on the listings. This guide helps you decide which unit fits your room size and electrical setup.
Match Voltage and BTU to Your Space
Your electrical outlet determines which unit you can install. Most models use 115V for standard rooms, while 230V systems handle larger spaces. Check the BTU rating to ensure the cooling power matches your square footage. All listed units include Wi-Fi app control, so focus on voltage and capacity first to avoid compatibility issues.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Rellytech 12000 BTU 20 SEER2 Mini Split Best overall | 115V homes needing 12,000 BTU with app control | |
| 2 | Albott DIY 12,000 BTU 115V Mini Split Best offices | offices needing easy 115V installation | |
| 3 | Mountman 12000 BTU 120V Mini Split Best 120v | 120V single-room cooling with app control | |
| 4 | YITAHOME 12000 BTU 115V Mini Split Best budget | 115V homes needing 12000 BTU efficiency | |
| 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 needing 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 | small rooms needing gentle, quiet cooling | |
| 9 | ROVSUN 9000 BTU 20 SEER2 Mini Split Also great | small rooms with 115V outlets | |
| 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 | Quiet cooling on 115V circuits | |
| 12 | DELLA Econo 11,500 BTU 230V Best 17 seer2 | small rooms with 230V power | |
| 13 | GarveeHome 12000 BTU 21 SEER2 Mini Split Also great | quiet cooling with app control | |
| 14 | Upstreman 12000 BTU 230V Silver Mini Split Best silver | medium rooms needing 230V efficiency | |
| 15 | DELLA 18K BTU Dual Zone Mini Split Also great | Cooling two rooms with one outdoor unit |
The best fit for you
- You want the most efficient 115V unit with app control – Rellytech 12000 BTU 20 SEER2 Mini Split – It offers 20 SEER2 efficiency on a standard 115V circuit for easy installation.
- You need easy DIY installation with pre-wired components – Albott DIY 12,000 BTU 115V Mini Split – It features a DIY series design with pre-wired components for standard 115V outlets.
- You need strong cooling for a large room with 230V power – COSTWAY Blast Pro 18000 BTU 230V – It provides 18,000 BTU cooling capacity and covers 1,250 square feet efficiently.
- You want gentle, draft-free cooling for a small room – DELLA Serena CloudAir 12k BTU 22 SEER2 – It delivers 22 SEER2 efficiency with inverter technology for quiet, comfortable operation.
Rellytech 12000 BTU 20 SEER2 Mini Split
Best for: 115V homes needing 12,000 BTU with app control
- 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
This Rellytech mini split delivers 12,000 BTU of cooling and heating for spaces up to 750 square feet. It runs on 115V power and achieves a 20 SEER2 rating, making it 30% more efficient than standard 17 SEER2 models. You get smart control via Wi-Fi app and voice commands, plus a remote with a digital display. The unit operates quietly and handles temperatures from -13°F to 122°F. It includes an 8-year warranty and uses R454B refrigerant.
- 20 SEER2 energy efficiency rating for reduced power consumption
- Wi-Fi app and voice control for remote climate management
- Wide operating temperature range from -13°F to 122°F
- Comprehensive 8-year warranty coverage
- Lower 12,000 BTU capacity compared to 18,000 BTU competitors
- Heavier indoor unit weight at 75.3 pounds
- Limited to 115V voltage, excluding 230V compatibility
- You need a 115V unit for standard household outlets
- You want smart app control for scheduling and remote access
- You require a unit with an 8-year warranty
- You need more than 12,000 BTU for larger spaces
- You require a 230V connection for higher power efficiency
- You prefer a lighter indoor unit for easier mounting
Verdict: Rellytech 12000 BTU 115V Wi-Fi Mini Split suits buyers who prioritize energy efficiency and smart features in a 115V system. It is ideal for standard rooms where 12,000 BTU is sufficient and app control is a priority.
Albott DIY 12,000 BTU 115V Mini Split
Best for: offices needing easy 115V installation
- 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 delivers 12,000 BTU of cooling and heating for spaces up to 750 square feet. It runs on standard 115V power and achieves an 18 SEER2 efficiency rating. The system includes Wi-Fi app control for remote management. You get a pre-wired indoor unit and a vacuum-free outdoor setup to simplify installation. It operates reliably between 5°F and 122°F outdoor temperatures.
- 12,000 BTU capacity for rooms up to 750 sq. ft.
- 18 SEER2 energy efficiency rating
- Pre-wired indoor unit and vacuum-free outdoor unit
- Wi-Fi app control for remote operation
- Operates in temperatures from 5°F to 122°F
- 18 SEER2 rating is lower than several competitors reaching 20 SEER2 or higher
- 115V voltage limits use to standard outlets, unlike 208-230V models
- 151-pound total weight is heavier than lighter 9,000 BTU units
- You need a 12,000 BTU unit for an office or home space
- You prefer 115V power for easier standard outlet compatibility
- You want a pre-wired system to simplify DIY installation
- You require the highest efficiency ratings above 20 SEER2
- You need 208-230V power for commercial-grade circuits
- You prefer a lighter unit under 150 pounds
Verdict: Albott 12,000 BTU 115V Mini Split suits office users who value easy DIY installation with pre-wired components and standard 115V power. It provides reliable comfort for medium-sized rooms without requiring specialized electrical work.
Mountman 12000 BTU 120V Mini Split
Best for: 120V single-room cooling with app control
- 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
The Mountman 12000 BTU mini split offers cooling and heating for spaces up to 750 square feet. It runs on 120V power and achieves a 19 SEER2 efficiency rating. You can control the unit via Wi-Fi app or Alexa. The system includes four fan speeds, sleep mode, and a 24-hour timer. It uses R32 refrigerant for eco-friendly operation and features auto-maintenance functions.
- 19 SEER2 energy efficiency rating
- 120V voltage compatibility
- Wi-Fi and Alexa app control
- Cools rooms up to 750 square feet
- Ultra-quiet 26dB sleep mode
- 19 SEER2 is lower than the 20-23 SEER2 ratings on other picks
- 12000 BTU capacity is smaller than the 18000 BTU options available
- 115V standard requires specific circuit compatibility unlike 208/230V units
- You need a 120V compatible unit for easier installation
- You want to control your mini split via a smartphone app
- You are cooling a single room up to 750 square feet
- You require the highest possible SEER2 efficiency on the list
- You need to cool a large area exceeding 750 square feet
- You prefer a 208/230V power connection over 120V
Verdict: Mountman 12000 BTU 120V Mini Split fits users who need a 120V connection and app control for a single room, though its efficiency lags behind higher SEER2 models.
YITAHOME 12000 BTU 115V Mini Split
Best for: 115V homes needing 12000 BTU efficiency
- 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
The YITAHOME 12000 BTU Mini Split offers 20 SEER2 efficiency on a standard 115V circuit. It covers 750 sq. ft. with inverter technology that saves energy compared to lower SEER2 models. You get Wi-Fi app control, Alexa compatibility, and five operating modes. The unit includes self-cleaning and ion purification features. It is a practical option for spaces needing reliable cooling and heating without a 230V connection.
- 20 SEER2 energy efficiency rating
- Works on standard 115V power
- Wi-Fi and Alexa app control
- Covers up to 750 sq. ft.
- Includes negative ion and PM2.5 removal
- Lower SEER2 rating than the Temprium 18000 BTU 230V model which reaches 23 SEER2
- Smaller 12000 BTU capacity compared to the 18000 BTU COSTWAY and Temprium units
- Heavier indoor unit at 22 pounds compared to lighter 9000 BTU options
- You need a 115V plug-in unit for easier installation
- You want a 20 SEER2 rating for good energy efficiency
- You require Wi-Fi app control and voice assistant support
- You need to cool a large area beyond 750 sq. ft.
- You prefer a higher SEER2 rating like 22 or 23
- You want a lighter indoor unit for wall mounting
Verdict: YITAHOME 12000 BTU 115V Mini Split fits you if you need a 115V unit with 20 SEER2 efficiency and smart controls for a medium-sized room.
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 mini split handles large rooms up to 1,250 square feet with 18,000 BTUs of cooling and heating power. It runs on 208-230V and achieves a 20 SEER2 efficiency rating. You can control it via Wi-Fi app, voice commands with Alexa, or the included remote. The unit operates quietly at 28 dB and includes a self-clean function for easier maintenance.
- High 20 SEER2 energy efficiency rating
- Wi-Fi app and Alexa voice control
- Operates at a quiet 28 dB
- Self-clean function for maintenance
- Requires 208-230V power, not standard 115V
- Heavier indoor unit at 20.9 pounds
- You need cooling for spaces up to 1,250 sq. ft.
- You have a 208-230V electrical circuit available
- You want app control and Alexa compatibility
- You only have standard 115V outlets
- You need a unit smaller than 18,000 BTUs
- You prefer a lighter indoor wall unit
Verdict: COSTWAY 18000 BTU 208-230V Mini Split suits users with 208-230V power who need strong cooling for large rooms. It offers efficient operation and smart control features for those who can support its higher voltage requirement.
Temprium 18,000 BTU Mini Split AC
Best for: large rooms needing 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
The Temprium 18,000 BTU mini split delivers strong cooling and heating for spaces up to 1,250 square feet. It features a 20 SEER2 rating for efficient operation on 230V power. You can control it via Wi-Fi app or voice assistants. The unit operates quietly at 28 dB. It includes a backlit remote with seven modes and four-way swing. This system suits larger rooms needing reliable year-round comfort.
- 20 SEER2 energy efficiency rating
- Wi-Fi app and voice control
- 28 dB quiet operation
- Covers up to 1,250 sq. ft.
- 20 SEER2 is lower than the 22-23 SEER2 options on this list
- 230V voltage requires compatible wiring unlike 115V models
- 40.8 lb weight is heavier than smaller 9,000 BTU units
- You need to cool a large room up to 1,250 sq. ft.
- You have 230V electrical outlets available for installation
- You want a quiet unit for a bedroom or office
- You only have standard 115V outlets
- You need to cool a small room under 900 sq. ft.
- You want the highest possible SEER2 efficiency available
Verdict: Temprium 18,000 BTU 230V Mini Split fits homeowners with 230V power who need to cool large spaces efficiently. It offers strong performance for living rooms or sunrooms where quiet operation matters.
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 with quiet 29 dBa operation. You get Wi-Fi app control and Alexa compatibility for remote management. The unit includes a 16.4ft line set and runs in temperatures down to -4 degrees Fahrenheit. This model suits smaller rooms where energy savings and smart features matter more than raw cooling capacity.
- 20 SEER2 energy efficiency rating
- Ultra-quiet 29 dBa operation
- Wi-Fi app and Alexa control
- 4D airflow adjustment
- 9000 BTU capacity is lower than most 12000 BTU competitors
- Limited to 400 square feet coverage area
- Requires professional installation and line-set vacuuming
- You need a unit for a small room under 400 square feet
- You want quiet operation with 29 dBa noise levels
- You prefer smart control via Wi-Fi app or Alexa
- You need to cool a large space over 400 square feet
- You require a higher 12000 BTU or 18000 BTU capacity
- You are looking for a DIY installation without professional help
Verdict: DELLA Vario 9000 BTU Mini Split is a quiet, efficient choice for small rooms. It fits buyers who value smart control and low energy use over high cooling power.
DELLA Serena CloudAir 12k BTU 22 SEER2
Best for: small rooms needing gentle, quiet cooling
- 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
This 12,000 BTU mini split offers 22 SEER2 efficiency on a standard 115V circuit. It features soft, indirect airflow to reduce direct drafts. The unit includes Wi-Fi app control and voice compatibility with Alexa. It operates quietly down to 23 dBa in mute mode. This model suits users seeking gentle cooling in spaces up to 550 square feet.
- High 22 SEER2 energy efficiency rating
- Ultra-quiet 23 dBa operation in mute mode
- Soft, indirect airflow prevents harsh drafts
- Wi-Fi app control and Alexa voice commands
- 115V voltage limits use to standard outlets
- 550 sq. ft. coverage is smaller than 18K models
- 18.3 lb weight is heavier than some 9K units
- You need gentle, indirect airflow for sleeping
- You want high efficiency on a 115V circuit
- You prefer quiet operation near 23 dBa
- You require heating below 5°F
- You need to cool a large room over 550 sq. ft.
- You prefer 230V power for higher capacity
Verdict: DELLA Serena CloudAir 12K BTU 115V delivers quiet, draft-free cooling for small rooms. It fits buyers who prioritize comfort and efficiency on standard electrical outlets.
ROVSUN 9000 BTU 20 SEER2 Mini Split
Best for: small rooms with 115V outlets
- 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
The ROVSUN 9000 BTU mini split offers cooling and heating for rooms up to 400 square feet. It runs on 115V power and achieves a 20 SEER2 rating. The unit includes Wi-Fi app control and works with Alexa and Google Assistant. You get quiet operation at 28dB in mute mode. The indoor unit weighs 70 pounds and measures 31.9 inches wide. This model fits smaller spaces where standard 12000 BTU units are too powerful.
- 20 SEER2 energy efficiency rating
- Wi-Fi app and voice control support
- Ultra-quiet 28dB operation in mute mode
- Works with Alexa and Google Assistant
- Inverter technology for adjustable compressor speed
- 9000 BTU capacity is lower than most competitors at 12000 or 18000 BTU
- 115V voltage limits use to standard outlets, unlike 208V or 230V models
- 70-pound weight is heavier than lighter 9000 BTU alternatives
- You need cooling for a small room under 400 square feet
- You only have standard 115V electrical outlets available
- You want voice control integration with smart home devices
- You need to cool a large room over 400 square feet
- You require a higher capacity unit like 12000 BTU or more
- You prefer a lighter indoor unit for easier mounting
Verdict: ROVSUN 9000 BTU WiFi Mini Split is a solid choice for small rooms where standard voltage is the only option. It delivers efficient cooling and smart control without the bulk of larger systems.
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 9000 BTU unit offers 19 SEER2 efficiency on a standard 115V circuit. It covers up to 450 square feet with inverter technology. The system includes Wi-Fi app control and a remote with LCD display. It operates quietly at 23 dB and features six modes, including cooling, heating, and dehumidification. It suits smaller rooms where easy installation and precise temperature management matter.
- 19 SEER2 energy efficiency rating
- Standard 115V electrical connection
- Quiet 23 dB operation level
- Wi-Fi app and remote control
- Covers up to 450 sq ft
- 9000 BTU capacity is lower than most 12000 BTU competitors
- 115V voltage limits use to standard outlets
- 77.2 pound weight is comparable to peers but not lighter
- You need a 9000 BTU unit for a small room
- You only have a 115V electrical outlet available
- You want Wi-Fi control with a physical remote backup
- You require cooling for spaces larger than 450 square feet
- You need a 230V high-voltage connection for efficiency
- You prefer a higher 12000 BTU or 18000 BTU capacity
Verdict: Garvee 9000 BTU 115V Mini Split works well for small rooms with standard outlets. It delivers quiet cooling and heating with app control. It fits users who prioritize easy installation over raw power.
DELLA Vita 12K BTU 115V Mini Split
Best for: Quiet cooling on 115V circuits
- 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 12000 BTU mini split offers 20 SEER2 efficiency on a standard 115V circuit. It cools spaces up to 550 sq. ft. and operates quietly at 28 dB. You can control it via the Wi-Fi app, Alexa, or Google Assistant. The unit includes an "I Feel" sensor for precise temperature reading. It is designed for reliable heating down to -4℉ and comes with a complete installation kit.
- 20 SEER2 energy efficiency rating
- Ultra-quiet 28 dB operation
- "I Feel" sensor reads remote temperature
- Works with Alexa and Google Assistant
- Includes 16ft copper line set
- Lower SEER2 rating than 21 SEER2 competitors
- Smaller cooling capacity than 18000 BTU models
- Heavier indoor unit at 18.7 pounds
- You need a standard 115V connection
- You want precise temperature control via the "I Feel" sensor
- You value quiet operation under 30 dB
- You require 230V power for higher efficiency
- You need to cool a space larger than 550 sq. ft.
- You want the highest SEER2 rating available
Verdict: DELLA Vita 12000 BTU Mini Split fits users who want quiet, efficient cooling on a standard outlet. It suits those who value precise sensor-based temperature control over maximum power.
DELLA Econo 11,500 BTU 230V
Best for: small 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 Della mini split offers 11,500 BTU cooling and heating for spaces up to 550 square feet. It runs on 230V power with a 17 SEER2 efficiency rating. You can control it via the Wi-Fi app or Alexa voice commands. The unit includes a 16.4ft installation kit and operates quietly at 33 dBa. It features a smart sensor in the remote for personalized temperature control.
- 17 SEER2 energy efficiency rating
- Wi-Fi app and Alexa control
- Ultra-quiet 33 dBa operation
- Smart sensor in remote control
- Includes 16.4ft installation kit
- Lower 17 SEER2 efficiency compared to 19-23 SEER2 competitors
- Smaller 11,500 BTU capacity than 12,000-18,000 BTU options
- Heavier 67.2 lb indoor unit
- You need Wi-Fi app control for a small room
- You have a 230V electrical circuit available
- You prefer quiet operation under 35 dBa
- You want higher energy efficiency above 17 SEER2
- You need cooling for spaces larger than 550 square feet
- You require a 115V standard outlet instead of 230V
Verdict: DELLA 11500 BTU 230V Mini Split suits small rooms where you need smart app control and quiet operation. It fits users who have 230V power and accept lower efficiency for a compact unit.
GarveeHome 12000 BTU 21 SEER2 Mini Split
Best for: quiet cooling with app control
- 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 mini split delivers 12,000 BTU of cooling and heating power at SEER 21 efficiency. It runs on 230V power and includes Wi-Fi app control for remote adjustments. The unit measures 32.5 inches wide and weighs 82.9 pounds. It targets rooms up to 750 square feet with quiet operation at 32dB. You get programmable timers, sleep modes, and iFeel technology for precise comfort management.
- High SEER 21 efficiency rating for energy savings
- Wi-Fi app control for remote operation
- Quiet operation starting at 32dB noise level
- Covers rooms up to 750 square feet
- Heavier build at 82.9 pounds compared to lighter competitors
- Lower SEER 21 rating than the top SEER 23 model on the list
- Single-zone capacity of 12,000 BTU limits use in larger spaces
- You need Wi-Fi app control for a 12,000 BTU unit
- You have a 230V electrical circuit available
- You want quiet operation for a bedroom or office
- You require a 2-zone system for multiple rooms
- You only have a 115V outlet available
- You need the highest SEER rating on the list
Verdict: GarveeHome 12000 BTU 230V Mini Split fits users who prioritize Wi-Fi control and quiet operation in a medium-sized room with 230V power.
Upstreman 12000 BTU 230V Silver Mini Split
Best for: medium rooms needing 230V efficiency
- 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 Upstreman mini split delivers 12,000 BTU of cooling and heating for spaces up to 750 square feet. It operates on 230V power with a 20 SEER2 efficiency rating. The unit features inverter technology, R32 refrigerant, and Wi-Fi app control via Smart Life. It includes 24-hour timer settings and 4D airflow. The sleek silver exterior and included heavy-duty brackets make it suitable for modern interiors.
- 20 SEER2 energy efficiency rating
- Wi-Fi app control via Smart Life
- Operates in temperatures from -4°F to 122°F
- Includes heavy-duty waterproof mounting brackets
- 4D airflow with up-down and left-right adjustment
- Requires 230V power, limiting installation options compared to 115V models
- Heavier build at 112 pounds, which may complicate mounting
- 750 square foot coverage is smaller than 18,000 BTU alternatives
- You need a 230V unit for higher efficiency
- You want a silver finish for modern decor
- You require Wi-Fi app control for remote management
- You only have 115V outlets available
- You need to cool a space larger than 750 square feet
- You prefer a white finish over silver
Verdict: Upstreman 12000 BTU 230V Silver Mini Split suits users with 230V power who want efficient cooling for medium-sized rooms. Its silver design and included brackets add value for DIY installers.
DELLA 18K BTU Dual Zone Mini Split
Best for: Cooling two rooms with one outdoor unit
- 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 2-zone mini split pairs a 7,000 BTU indoor unit with a 12,000 BTU unit for a total of 18,000 BTU. It runs on 230V and achieves a 22 SEER2 rating. You can control the system via the Wi-Fi app or voice commands through Alexa and Google Home. The unit includes a remote and supports heating down to -13°F. It is designed for spaces up to 850 square feet.
- 22 SEER2 energy efficiency rating
- 230V electrical connection
- Wi-Fi app and voice control
- Heating operation down to -13°F
- Lower 22 SEER2 rating compared to 23 SEER2 competitors
- Requires professional installation rather than DIY setup
- Self-cleaning function does not perform actual cleaning
- You need to cool two separate rooms with one outdoor unit
- You have a 230V electrical outlet available
- You want voice control via Alexa or Google Home
- You prefer a DIY installation process
- You only need to cool a single small room
- You require the highest SEER2 rating available
Verdict: DELLA 18K BTU 2-Zone Mini Split suits homeowners who need to condition two rooms efficiently using a 230V circuit. The high SEER2 rating and smart controls make it a solid choice for multi-room comfort.
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 review SEER ratings and cooling capacities in our overview of best mini splits with wi fi.
Key Specs for Choosing Wi-Fi Mini Splits
Check Voltage Compatibility
Your electrical system determines which unit you can install. Standard homes often have 115V outlets, while larger spaces may require 230V. The Rellytech 12000 BTU model operates on 115V, making it suitable for standard circuits. In contrast, the COSTWAY Blast Pro requires 208-230V for its higher capacity. Always verify your outlet type before purchasing to avoid installation issues or the need for expensive electrical upgrades.
Match BTU to Room Size
Cooling power depends on the BTU rating relative to your space. A 12,000 BTU unit typically covers around 750 square feet, as seen with the Rellytech and YITAHOME models. If you need to cool larger areas, consider the 18,000 BTU options like the Temprium or COSTWAY Blast Pro, which handle up to 1,250 square feet. Choosing the correct BTU ensures efficient cooling without wasting energy on an oversized or undersized unit.
Evaluate SEER2 Efficiency
The SEER2 rating indicates energy efficiency, with higher numbers meaning lower operating costs. The Della Serena CloudAir offers an impressive 22 SEER2, while the Albott DIY provides 18 SEER2. Most top picks hover around 20 SEER2, balancing performance and efficiency. Higher efficiency ratings reduce electricity bills over time. Compare these numbers to find a unit that meets your budget and environmental goals without sacrificing necessary cooling power for your specific room.
Verify Smart Control Options
All listed models include Wi-Fi app control for remote management. Some units, like the YITAHOME and COSTWAY Blast Pro, also support voice control via Alexa. This adds convenience for hands-free operation. Check the attributes to see if voice compatibility is included. App control allows you to adjust settings from anywhere. This feature is standard across the list, ensuring you can monitor and adjust your climate control easily regardless of the specific brand you choose.
Consider Installation Requirements
Installation complexity varies by model. The Albott DIY series is designed for easier setup with pre-wired components, ideal for users seeking a straightforward process. Other models may require more extensive electrical work, especially those using 230V. The Mountman 12000 BTU unit requires a 120V connection. Review the product specifications to understand the voltage and setup needs. Proper installation ensures safety and optimal performance, so verify your ability to handle the specific requirements of your chosen unit.
Frequently asked questions
Which mini split is best for a standard 115V outlet?
The Rellytech 12000 BTU model is the top choice for 115V homes. It delivers 20 SEER2 efficiency and covers 750 square feet. The YITAHOME and Garvee models also run on 115V. These units fit standard outlets without requiring specialized electrical work.
Do these units support voice control with Alexa?
Several models support Alexa voice control. The YITAHOME, COSTWAY Blast Pro, Della Vario, and Della Serena CloudAir all list Alexa compatibility. This feature allows you to adjust settings using voice commands alongside the Wi-Fi app. Other models rely solely on the app.
What is the quietest mini split for small rooms?
The Della Serena CloudAir 12K BTU is designed for gentle, quiet cooling. It operates on 115V and achieves a high 22 SEER2 rating. The Temprium 18,000 BTU also emphasizes quiet operation for larger spaces. These models prioritize comfort over raw power.
Which model is best for a large room with 230V power?
The COSTWAY Blast Pro 18000 BTU handles large rooms up to 1,250 square feet. It requires 208-230V power and offers 20 SEER2 efficiency. The Temprium 18,000 BTU is another strong option for 230V setups. Both provide substantial cooling for sunrooms or living areas.
Is there a mini split with DIY installation features?
The Albott DIY 12,000 BTU Mini Split is built for easy installation. It features pre-wired components and runs on a standard 115V outlet. This design suits office users who want to avoid specialized electrical work. It provides reliable comfort for medium-sized rooms.
Which unit offers the highest energy efficiency?
The Della Serena CloudAir 12K BTU leads with a 22 SEER2 rating. The Rellytech and YITAHOME models follow closely at 20 SEER2. Higher SEER2 ratings indicate better energy efficiency. These units reduce power consumption while maintaining effective cooling and heating performance.