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Finding the best mini split air conditioners with wi fi app requires looking at how each unit handles power and efficiency. We compared 15 models based strictly on the specifications published on their listings. The Rellytech 12000 BTU 20 SEER2 Mini Split leads because it pairs high energy efficiency with a 115V voltage rating, making it practical for standard home wiring. These picks help you decide which unit fits your room size and electrical setup without guessing.
Match Voltage to Your Circuit
Check your home wiring before buying. Units require 115V, 120V, 208V, 230V, or 208-230V power. The Rellytech 12000 BTU 20 SEER2 Mini Split uses standard 115V. The Temprium 18,000 BTU Mini Split AC needs 230V. Choosing the wrong voltage prevents installation. Verify your outlet type first to ensure the unit fits your electrical setup.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Rellytech 12000 BTU 20 SEER2 Mini Split Best overall | single-room climate control with smart app | |
| 2 | Albott DIY 12,000 BTU 115V Mini Split Best offices | offices with standard 115V outlets | |
| 3 | Mountman 12000 BTU 120V Mini Split Best 120v | standard 120V circuits and medium rooms | |
| 4 | YITAHOME 12000 BTU 115V Mini Split Best budget | medium rooms needing app control | |
| 5 | COSTWAY Blast Pro 18000 BTU 230V Best 208-230v | large spaces with 208-230V power | |
| 6 | Temprium 18,000 BTU Mini Split AC Best premium | large rooms needing 18,000 BTU power | |
| 7 | Della Vario 9000 BTU Mini Split Also great | small rooms needing quiet, efficient cooling | |
| 8 | DELLA Serena CloudAir 12k BTU 22 SEER2 Also great | gentle cooling on standard 115V circuits | |
| 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 on 115V circuits | |
| 11 | DELLA Vita 12K BTU 115V Mini Split Also great | bedrooms and medium rooms | |
| 12 | DELLA Econo 11,500 BTU 230V Best 17 seer2 | moderate sized rooms needing app control | |
| 13 | GarveeHome 12000 BTU 21 SEER2 Mini Split Also great | 230V homes needing efficient Wi-Fi controlled cooling | |
| 14 | Upstreman 12000 BTU 230V Silver Mini Split Best silver | 230V installations with silver aesthetic preference | |
| 15 | DELLA 18K BTU Dual Zone Mini Split Also great | Two-zone cooling with high efficiency |
The best fit for you
- You need efficient cooling for a single room – Rellytech 12000 BTU 20 SEER2 Mini Split – The 12,000 BTU capacity and 20 SEER2 rating provide efficient climate control for spaces up to 750 Sq. Ft.
- You want to install a unit in an office – Albott DIY 12,000 BTU 115V Mini Split – This DIY model uses standard 115V power and pre-wired components for simplified setup in office environments.
- You require high voltage power for a large space – COSTWAY Blast Pro 18000 BTU 230V – The 18,000 BTU output and 208-230V voltage handle cooling needs for large areas up to 1,250 Sq. Ft.
- You want the most compact indoor unit size – YITAHOME 12000 BTU 115V Mini Split – Weighing only 22 pounds, this unit is the lightest option, making it easy to mount in medium rooms.
Rellytech 12000 BTU 20 SEER2 Mini Split
Best for: single-room climate control with smart app
- 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 operates on 115V power and achieves a 20 SEER2 efficiency rating. You can control the unit via Wi-Fi app or voice commands. The system includes inverter technology for quiet operation and covers a wide temperature range from -13°F to 122°F. It is a practical choice for bedrooms or living rooms needing smart climate control.
- 20 SEER2 energy efficiency rating
- Wi-Fi app and voice control
- Covers up to 750 square feet
- Inverter technology for quiet operation
- 115V voltage limits use to standard outlets
- 12,000 BTU capacity is lower than 18,000 BTU competitors
- You need smart app control for a bedroom
- You have a standard 115V electrical outlet
- You want quiet inverter operation for sleeping
- You require heating for a large commercial space
- You only have 230V electrical connections available
- You need more than 12,000 BTU of cooling
Verdict: Rellytech 12000 BTU Mini Split AC fits users who want efficient, quiet cooling for a single room with easy smartphone management. It is ideal for those with standard 115V wiring who prioritize energy savings over raw power.
Albott DIY 12,000 BTU 115V Mini Split
Best for: offices with standard 115V outlets
- 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
The Albott Easy DIY Series 12,000 BTU mini split offers 115V cooling and heating with 18 SEER2 efficiency. Its indoor unit is pre-wired, and the outdoor unit requires no vacuuming, simplifying installation. It controls via Wi-Fi app and covers up to 750 sq. ft. This model suits office spaces needing reliable year-round comfort with straightforward setup.
- Pre-wired indoor unit simplifies installation
- Outdoor unit requires no vacuuming
- 18 SEER2 energy efficiency rating
- Wi-Fi app control for remote management
- Self-cleaning function with removable filters
- 18 SEER2 rating is lower than the 20+ SEER2 ratings found on other models in this guide
- 115V voltage limits usage compared to the 208-230V options available in the list
- 151-pound total weight is substantial for a single-zone unit
- You have a standard 115V outlet and want to avoid complex electrical upgrades
- You prefer a pre-wired indoor unit to reduce on-site wiring time
- You need Wi-Fi app control for an office space up to 750 sq. ft.
- You require the highest SEER2 efficiency available, as this model is rated lower than others
- You need a 208-230V system for higher power output or larger spaces
- You want a unit that does not require professional help for basic wiring tasks
Verdict: Albott Easy DIY 12,000 BTU Mini Split is a practical option for offices with standard 115V power, offering simplified installation through pre-wired components and Wi-Fi app control. It fits users prioritizing easy setup over peak energy efficiency.
Mountman 12000 BTU 120V Mini Split
Best for: standard 120V circuits and medium rooms
- 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 19 SEER2 efficiency on a standard 120V circuit. It cools spaces up to 750 square feet using R32 refrigerant and inverter technology. You get Wi-Fi app control, Alexa compatibility, and a remote. It includes four fan speeds, sleep mode, and self-cleaning functions. This unit is a solid choice for standard home outlets where you need reliable year-round climate control.
- 19 SEER2 energy efficiency rating
- Standard 120V electrical connection
- Cools rooms up to 750 sq ft
- Wi-Fi app and Alexa control
- R32 eco-friendly refrigerant
- 19 SEER2 is lower than the 20-23 SEER2 ratings found on other list items
- 12000 BTU capacity is smaller than the 18000 BTU models available
- 70.4 pound weight is heavier than many 9000 BTU competitors
- You have standard 120V outlets and want to avoid 240V wiring
- You need to cool a medium room under 750 square feet
- You want Wi-Fi app control with Alexa compatibility
- You require the highest possible SEER2 efficiency on the market
- You need to cool a large space over 750 square feet
- You prefer lighter indoor units for easier installation
Verdict: Mountman 12000 BTU 120V Mini Split suits homeowners who need standard 120V power and reliable app control for medium-sized rooms.
YITAHOME 12000 BTU 115V Mini Split
Best for: medium rooms needing app 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 of cooling and heating with 20 SEER2 efficiency on a standard 115V circuit. You get Wi-Fi app control and Alexa compatibility for remote management. The system covers up to 750 square feet and operates quietly at under 41 dB. It includes five modes and four fan speeds. This model suits you if you need a budget-friendly, energy-efficient split system for moderate spaces.
- 20 SEER2 energy efficiency rating
- Wi-Fi app and Alexa control
- Operates at under 41 dB
- Covers up to 750 square feet
- Five operating modes and four fan speeds
- Lower SEER2 rating than the Temprium and GarveeHome 23 SEER2 models
- Smaller 12,000 BTU capacity compared to the 18,000 BTU options
- Requires 115V power instead of 208-230V for higher efficiency
- You need a 12,000 BTU unit for a 750 sq. ft. space
- You want 20 SEER2 efficiency on a standard 115V outlet
- You prefer Wi-Fi app control with Alexa integration
- You require 18,000 BTU or higher cooling capacity
- You need the highest 23 SEER2 efficiency available
- You require 208-230V power for commercial-grade performance
Verdict: YITAHOME 12000 BTU Mini Split offers reliable 20 SEER2 performance for medium rooms. It fits buyers who want app control and quiet operation without needing the highest efficiency or largest capacity.
COSTWAY Blast Pro 18000 BTU 230V
Best for: large spaces 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 18,000 BTU mini split handles spaces up to 1,250 square feet with a 20 SEER2 rating. It runs on 208-230V power, making it distinct from the 115V models on this list. You get Wi-Fi app control, voice commands via Alexa, and a 28 dB indoor unit. The system includes 7 modes, 8 fan speeds, and 4D airflow for steady comfort in large rooms.
- 20 SEER2 energy efficiency rating
- 208-230V voltage compatibility
- Wi-Fi app and Alexa voice control
- 28 dB indoor noise level
- Covers up to 1,250 sq. ft.
- Higher 208-230V voltage requirement than many 115V competitors
- Heavier indoor unit at 20.9 pounds
- Larger 35.8-inch width compared to compact 9,000 BTU units
- You have a 208-230V electrical circuit available
- You need to cool a large area up to 1,250 square feet
- You want Wi-Fi app control with Alexa compatibility
- You only have standard 115V outlets
- You need a unit for a small room under 500 square feet
- You prefer a lighter indoor unit under 15 pounds
Verdict: COSTWAY 18000 BTU 208-230V Mini Split suits owners of large spaces with the correct high-voltage wiring who need efficient cooling and heating.
Temprium 18,000 BTU Mini Split AC
Best for: large rooms needing 18,000 BTU 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 mini split delivers 18,000 BTU of cooling and heating power for spaces up to 1,250 square feet. It operates on 230V with a 20 SEER2 rating for efficient performance. You get full control via a Wi-Fi app, Alexa, or Google Assistant. The indoor unit runs quietly at 28 dB. It also includes a self-cleaning function and a backlit remote with seven modes.
- 20 SEER2 energy efficiency rating
- 18,000 BTU cooling and heating capacity
- Wi-Fi app and voice control support
- 28 dB quiet operation level
- Self-cleaning function for maintenance
- Heavier at 40.8 pounds compared to lighter 9,000 BTU models
- Larger 37.8-inch width requires more wall space
- 230V requirement limits placement options
- You need high cooling power for a large room
- You have a 230V electrical outlet available
- You want app control and voice assistant compatibility
- You only have standard 115V outlets
- You need a unit for a small bedroom
- You prefer a lighter, more compact design
Verdict: Temprium 18000 BTU 230V Mini Split is a high-capacity choice for large rooms where you need strong heating and cooling. It fits homes with 230V wiring that value quiet, efficient operation.
Della Vario 9000 BTU Mini Split
Best for: small rooms needing quiet, efficient 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, Alexa compatibility, and a smart sensor that reads temperature from the remote. It includes a 16.4-foot installation kit. This unit suits smaller rooms where precise comfort and energy savings matter more than raw cooling power.
- 20 SEER2 energy efficiency rating
- Ultra-quiet 29 dBA operation level
- Smart sensor reads temperature from remote
- Works with Alexa and Wi-Fi app
- Includes 16.4ft pre-charged line set
- Lower 9000 BTU capacity than most list competitors
- Requires professional installation rather than DIY setup
- 230V voltage limits compatibility with standard outlets
- You need cooling for a small room under 400 square feet
- You want quiet operation for bedrooms or offices
- You prefer precise temperature control via remote sensor
- You require a higher 12000 BTU or 18000 BTU capacity
- You want to install the unit yourself without a pro
- You only have standard 115V household outlets available
Verdict: DELLA Vario 9000 BTU Mini Split fits small spaces needing quiet, efficient cooling with smart remote control. It suits buyers who prioritize energy savings and precise comfort over maximum cooling power.
DELLA Serena CloudAir 12k BTU 22 SEER2
Best for: gentle cooling on standard 115V circuits
- 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 12000 BTU mini split offers 22 SEER2 efficiency on a standard 115V circuit. It features soft indirect airflow to prevent harsh drafts and includes Wi-Fi app control with Alexa compatibility. The unit operates quietly at 23 dBa and includes a remote. It is designed for spaces up to 550 sq.ft. and comes with a lifetime warranty. This model suits users seeking gentle cooling and smart home integration.
- High 22 SEER2 energy efficiency rating
- Ultra-quiet operation at 23 dBa in mute mode
- Soft indirect airflow prevents direct drafts
- Wi-Fi app control with Alexa voice commands
- Lifetime warranty coverage included
- Lower SEER2 rating than the Temprium 18000 BTU (23 SEER2)
- Heavier indoor unit at 18.3 pounds compared to lighter competitors
- Standard 115V voltage limits use in high-power 230V setups
- You want gentle, indirect airflow for sleeping areas
- You need a standard 115V electrical connection
- You value smart app control and voice commands
- You require the highest efficiency rating available (23 SEER2)
- You are installing in a space larger than 550 sq.ft.
- You prefer a lighter indoor unit under 18 pounds
Verdict: DELLA Serena CloudAir 12000 BTU Mini Split is a practical choice for bedrooms or offices where quiet, draft-free cooling on a 115V circuit is the priority.
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 handles spaces up to 400 square feet with 115V power and 20 SEER2 efficiency. It uses inverter technology to adjust compressor speed, saving energy while maintaining your set temperature between 61°F and 88°F. You get Wi-Fi app control and voice assistant compatibility for remote management. The unit operates quietly at 28dB in mute mode. This model fits well in smaller rooms where high-capacity units are unnecessary.
- 20 SEER2 energy efficiency rating
- Wi-Fi app and voice control support
- Inverter technology for energy savings
- 28dB quiet operation in mute mode
- 9000 BTU capacity is lower than most 12000 BTU competitors
- 70-pound weight is heavier than lighter 9000 BTU options
- 115V voltage limits use in standard 230V circuits
- You need cooling for a room under 400 square feet
- You require a 115V electrical connection
- You want app control for a smaller space
- You need to cool a large living area
- You require a 230V power supply
- You want the highest possible SEER2 rating
Verdict: ROVSUN 9000 BTU Mini Split offers efficient cooling for small rooms with 115V power. It suits users who need app control without the bulk of larger units.
Garvee 9000 BTU 19 SEER2 Mini Split
Best for: small rooms on 115V circuits
- 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 offers 9,000 BTU cooling and heating for spaces up to 450 square feet. It runs on 115V power and achieves a 19 SEER2 efficiency rating. You can control the unit via a Wi-Fi app or the included backlit remote. The system operates quietly at 23 dB and includes six modes, such as Eco and Sleep. It is designed for bedrooms or small rooms where low noise and smart control matter.
- 19 SEER2 energy efficiency rating
- Wi-Fi app and remote control options
- Quiet 23 dB operation level
- Covers up to 450 square feet
- Lower 9,000 BTU capacity compared to 12,000 or 18,000 BTU models on this list
- 115V electrical requirement limits compatibility with 230V circuits
- Heavier 77.2-pound indoor unit compared to lighter competitors
- You need a 115V unit for standard household outlets
- You want to control a small room via a smartphone app
- You prioritize quiet operation for a bedroom or nursery
- You require 12,000 BTU or higher cooling power
- Your installation only supports 230V electrical systems
- You need a unit lighter than 77.2 pounds
Verdict: Garvee 9000 BTU Mini Split AC with Wi-Fi fits users who need quiet, app-controlled cooling for small spaces on standard 115V circuits. It is a solid choice for bedrooms or offices where lower BTU output is sufficient.
DELLA Vita 12K BTU 115V Mini Split
Best for: bedrooms and medium rooms
- 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
This 12,000 BTU mini split uses 20 SEER2 efficiency on a 115V circuit. It cools spaces up to 550 square feet. The unit includes Wi-Fi app control and Alexa compatibility. You get a 28 dB operation level for quiet performance. The system also provides heating down to -4℉. It comes with a 16ft copper line set for easier setup.
- 20 SEER2 energy efficiency rating
- 115V standard electrical connection
- 28 dB ultra-quiet operation
- Heating performance down to -4℉
- Includes 16ft copper line set
- 115V voltage limits use in some regions compared to 230V models
- 550 sq. ft. coverage is smaller than 18,000 BTU alternatives
- 18.7 lb indoor unit is heavier than some competitors
- You need a 115V circuit for installation
- You want quiet operation for a bedroom
- You need heating in cold climates
- You require 230V power for higher efficiency
- You need to cool a large open space
- You prefer a lighter indoor unit
Verdict: DELLA Vita 12000 BTU 20 SEER2 fits you if you need a quiet, efficient unit for a medium room on a standard 115V outlet. It offers solid heating for colder months.
DELLA Econo 11,500 BTU 230V
Best for: moderate sized rooms needing app control
- 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
The DELLA Econo Series offers 11,500 BTU cooling and heating for rooms 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 4D airflow system and smart sensor technology. It is designed for professional installation only. This model suits spaces needing moderate cooling capacity with app-based management.
- 17 SEER2 energy efficiency rating
- Wi-Fi app and Alexa voice control
- 4D airflow direction adjustment
- Covers up to 550 square feet
- 17 SEER2 is lower than the 19-23 SEER2 ratings of most competitors
- 11,500 BTU capacity is smaller than the 12,000-18,000 BTU options available
- Requires professional installation rather than DIY setup
- You need Wi-Fi control for a room up to 550 square feet
- You have a 230V electrical circuit available
- You prefer app-based management over physical remotes
- You want the highest SEER2 efficiency on the market
- You are looking for a 12,000 BTU or higher capacity unit
- You prefer a DIY installation process
Verdict: DELLA 11500 BTU 230V Mini Split is a solid choice for users who prioritize app control and smart features over peak efficiency or maximum cooling power. It fits well in moderately sized rooms where 230V power is already installed.
GarveeHome 12000 BTU 21 SEER2 Mini Split
Best for: 230V homes needing efficient Wi-Fi controlled cooling
- 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 offers 12,000 BTU cooling and heating for rooms up to 750 square feet. It runs on 230V power and achieves a SEER 21 rating, which indicates high energy efficiency. You can control it via a Wi-Fi app or the included remote. The indoor unit weighs 82.9 pounds and measures 32.5 inches wide. It uses R32 refrigerant and operates as quietly as 32dB. This model is designed for DIY installation but includes a line set and drain hose.
- SEER 21 rating for efficient cooling and heating
- Wi-Fi app and remote control support
- Quiet operation down to 32dB
- Includes line sets and drain hose for installation
- Heavier build at 82.9 pounds compared to lighter competitors
- Lower SEER 21 rating than the 22 SEER option available in variations
- Requires 230V power instead of standard 115V outlets
- You have a 230V electrical circuit available
- You want to control the unit via a smartphone app
- You need quiet operation for a bedroom or office
- You only have standard 115V outlets
- You prefer a lighter unit for easier mounting
- You want the highest SEER 22 efficiency available
Verdict: GarveeHome 12000 BTU 230V Mini Split suits users with 230V power who value high efficiency and app control. It fits well in spaces where quiet operation and smart features matter more than the absolute lowest weight.
Upstreman 12000 BTU 230V Silver Mini Split
Best for: 230V installations with silver aesthetic preference
- 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 12000 BTU mini split uses a 230V connection and 20 SEER2 rating for efficient cooling and heating. It covers 750 square feet with inverter technology that adjusts compressor speed. The unit features Wi-Fi app control via Smart Life, allowing remote management. Its silver exterior and included heavy-duty brackets offer a distinct look and easy installation for your space.
- 20 SEER2 energy efficiency rating
- Wi-Fi app control via Smart Life
- Includes heavy-duty waterproof mounting brackets
- Operates in temperatures from -4°F to 122°F
- Silver exterior finish
- Requires 230V power connection instead of standard 115V
- Heavier build at 112 pounds
- Limited to 12000 BTU capacity
- You have a 230V electrical outlet available
- You prefer a silver aesthetic over standard white
- You want included heavy-duty mounting brackets
- You only have standard 115V outlets
- You need higher than 12000 BTU cooling power
- You prefer a white finish for your walls
Verdict: Upstreman 12000 BTU 230V Mini Split suits buyers with 230V wiring who want efficient cooling with a distinct silver look. It delivers solid performance for medium-sized rooms without requiring separate bracket purchases.
DELLA 18K BTU Dual Zone Mini Split
Best for: Two-zone cooling with high efficiency
- 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 delivers 18,000 total BTUs across two zones (7,000 and 12,000 BTU) with a 22 SEER2 rating. You get Wi-Fi app control, voice commands, and geo-location features. It includes a 16.4ft installation kit and operates down to -13°F. The unit weighs 16.5 pounds and measures 30.2 inches wide. It suits larger spaces requiring zoned climate management.
- 22 SEER2 energy efficiency rating
- Dual zone capacity (7,000 + 12,000 BTU)
- Wi-Fi app and voice control support
- Includes 16.4ft installation kit
- Operates in temperatures down to -13°F
- Lower SEER2 rating than the 23 SEER2 competitors
- Heavier build at 16.5 pounds compared to lighter 9,000 BTU models
- Requires professional installation rather than DIY setup
- You need independent temperature control for two separate rooms
- You want a high SEER2 rating for energy savings
- You have a 230V electrical outlet available
- You prefer a single-zone unit for a small bedroom
- You are looking for a DIY installation system
- You need a 115V plug-in model
Verdict: DELLA 18K BTU 2 Zone Mini Split offers strong zoned cooling with a 22 SEER2 rating. It fits homes needing two separate climate zones with smart app control.
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 |
If you prioritize broader wireless control specs over mobile application features, compare the best mini splits with wi fi instead.
How to Choose the Right Mini Split
Match BTU to Room Size
BTU rating determines how much air a unit moves. Higher numbers cool larger spaces faster. The Rellytech 12000 BTU Mini Split covers up to 750 Sq. Ft., making it suitable for standard bedrooms or small offices. If you need to cool a larger area, look at the Temprium 18,000 BTU Mini Split AC, which handles up to 1,250 Sq. Ft. Choosing the correct capacity ensures the unit runs efficiently without overworking the compressor. Undersized units struggle to reach temperature, while oversized ones cycle on and off too frequently.
Check Voltage Requirements
Mini splits require specific electrical circuits. Most standard home outlets provide 115V or 120V power. The Rellytech 12000 BTU Mini Split and the Albott DIY 12,000 BTU Mini Split both operate on standard 115V circuits. This allows for easier installation in existing rooms without upgrading your electrical panel. However, high-capacity units like the Temprium 18,000 BTU Mini Split AC need 230V power. You must verify your home wiring matches the unit before purchasing. Using the wrong voltage can damage the unit or create a safety hazard.
Prioritize SEER2 Efficiency
SEER2 measures cooling efficiency over a typical season. A higher rating means lower energy bills. The Della Serena CloudAir 12k BTU 22 SEER2 offers the highest efficiency in this list, making it ideal for users who want to minimize electricity costs. The Rellytech 12000 BTU Mini Split also provides strong performance with a 20 SEER2 rating. If you are on a tighter budget, the DELLA Econo 11,500 BTU 230V offers a 17 SEER2 rating. Compare these numbers to estimate your long-term operating costs based on your local electricity rates.
Verify Smart Compatibility
Wi-Fi app control lets you adjust settings from your phone. Most units in this guide support this feature. Some models, like the YITAHOME 12000 BTU 115V Mini Split, also support voice control via Alexa. This adds convenience if you already use smart home devices. Check the attributes for Smart Compatibility if voice commands matter to you. The Rellytech 12000 BTU Mini Split focuses on app control, which is sufficient for most users. Ensure your home Wi-Fi network is stable for reliable remote access.
Consider Noise Levels
Quiet operation is vital for bedrooms and offices. Look for units that list quiet operation in their features. The Rellytech 12000 BTU Mini Split and the Temprium 18,000 BTU Mini Split AC both highlight this trait. The Della Serena CloudAir 12k BTU 22 SEER2 is also noted for gentle, draft-free cooling. Inverter technology helps maintain steady temperatures without loud compressor cycling. If you plan to install the unit near a sleeping area, prioritize these models to ensure a restful environment.
Frequently asked questions
Can I control my mini split with voice commands?
Yes, several models support voice control through smart home integration. The YITAHOME 12000 BTU Mini Split, COSTWAY Blast Pro 18000 BTU 230V, and Della Serena CloudAir 12k BTU 22 SEER2 are compatible with Alexa. This allows you to adjust settings hands-free. Other units, such as the Rellytech 12000 BTU 20 SEER2 Mini Split, rely solely on Wi-Fi app control without voice assistant support.
What voltage do I need for a mini split?
You must match the unit’s voltage to your home’s electrical circuit. Options include 115V, 120V, 208V, 230V, or 208-230V. The Albott DIY 12,000 BTU 115V Mini Split and Garvee 9000 BTU 19 SEER2 Mini Split use standard 115V outlets. In contrast, the Temprium 18,000 BTU Mini Split AC and Della Econo 11,500 BTU 230V require dedicated 230V wiring for proper operation.
Are these units good for heating as well as cooling?
Yes, all listed models function as heat pumps. Each unit lists Heating or Heater as an operating mode. This means they provide both cooling in summer and heating in winter. The Rellytech 12000 BTU 20 SEER2 Mini Split and Mountman 12000 BTU 120V Mini Split offer reliable dual-season performance. You can maintain comfortable temperatures year-round with a single device.
How does SEER2 rating affect energy usage?
SEER2 measures seasonal energy efficiency, with higher numbers indicating better efficiency. The Della Serena CloudAir 12k BTU 22 SEER2 offers the highest efficiency at 22 SEER2. The Rellytech 12000 BTU 20 SEER2 Mini Split and COSTWAY Blast Pro 18000 BTU 230V provide strong 20 SEER2 performance. Higher ratings generally mean lower electricity consumption for the same cooling output.
Do I need a remote if I have an app?
Some units include a physical remote for convenience, while others do not. The Garvee 9000 BTU 19 SEER2 Mini Split explicitly lists Remote Control as a feature. Most other models, like the Temprium 18,000 BTU Mini Split AC, rely on Wi-Fi app control. Having a remote is optional if you prefer managing settings entirely through your smartphone.
Which mini split is best for a small room?
For small rooms, consider units with lower BTU outputs like 9,000 BTU. The ROVSUN 9000 BTU 20 SEER2 Mini Split and Garvee 9000 BTU 19 SEER2 Mini Split are designed for smaller spaces. They fit standard 115V circuits and provide efficient cooling without overworking the system. These models are ideal for bedrooms or small offices where high capacity is unnecessary.
Can I install a mini split myself?
Some models are designed for easier installation. The Albott DIY 12,000 BTU 115V Mini Split features pre-wired components to simplify setup. It is marketed for users who prioritize easy installation over peak efficiency. However, all mini splits require mounting the indoor and outdoor units and connecting refrigerant lines. Proper electrical connection is essential for safe operation.
How large of a space can a 12,000 BTU unit cover?
A 12,000 BTU unit typically covers up to 750 square feet. The Rellytech 12000 BTU 20 SEER2 Mini Split and YITAHOME 12000 BTU Mini Split both specify a coverage area of 750 Sq. Ft. This capacity suits medium-sized rooms or open-plan areas. Larger spaces may require higher BTU models, such as the 18,000 BTU options, to maintain consistent temperatures.