15 Best 17 SEER2 Mini Splits, Compared
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Finding the best 17 SEER2 mini splits requires looking at the published specs rather than marketing claims. We compared 15 units to help you choose based on efficiency, voltage, and capacity. The Rellytech 11500 BTU 17 SEER2 Mini Split leads this list because it operates on standard 115V circuits, making it accessible for most homes. Its 17 SEER2 rating ensures you get strong energy performance without needing specialized electrical upgrades. This guide helps you decide which model fits your room size and power setup.
Quick picks
The best fit for you
- You need 115V power with precise remote sensing Rellytech 11500 BTU 17 SEER2 Mini Split It runs on standard 115V circuits and features precise remote sensing capabilities.
- You have 230V wiring for a small room COSTWAY 9000 BTU Mini Split This 9000 BTU model is designed for small spaces with dedicated 230V circuits.
- You want smart controls for a 1000 sq ft room DELLA Econo 17,000 BTU Mini Split It covers 1,000 square feet and includes Wi-Fi and Alexa smart control.
- You need efficient cooling for a room under 550 sq ft Filterbuy 12,000 BTU 17 SEER2 Mini Split It covers 550 square feet on 115V power and includes Wi-Fi and Alexa.
- You want the lightest indoor unit on the list Pioneer 11,500 BTU 230V Mini Split It weighs only 17 pounds, making it the lightest option available.
Our 15 picks
Rellytech 11500 BTU 17 SEER2 Mini Split
Best for: 115V homes needing precise remote sensing
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 11500 BTU
- Voltage
- 115V
- Coverage Area
- 550 Sq.Ft.
- Dimensions
- 11.4 × 30.7 × 9.5 inches
- Weight
- 68.5 pounds
This Rellytech mini split offers 11500 BTU cooling and heating for rooms up to 550 square feet. It features a 17 SEER2 efficiency rating and operates on standard 115V household power. The unit includes 4D auto-swing louvers and iFEEL remote sensing for balanced airflow. It runs quietly at 29 dB and supports modes like turbo, sleep, and eco. This system is designed for users who want reliable seasonal comfort without needing 230V wiring.
Pros
- 17 SEER2 efficiency rating for reduced energy consumption
- 4D auto-swing louvers move vertically and horizontally
- iFEEL technology senses temperature at the remote control
- Quiet operation at 29 dB with screen-off function
- Heats reliably down to -4°F with auto-defrost
Cons
- Requires hardwiring to 115V power instead of plug-and-play
- 11500 BTU capacity is lower than many 12000+ BTU competitors
- No Wi-Fi connectivity listed in specifications
Good fit if
- You need a 115V unit for standard household outlets
- You want precise temperature sensing via the remote
- You prefer horizontal and vertical airflow adjustment
Skip if
- You require Wi-Fi smart home integration
- You need plug-and-play installation without hardwiring
- You are cooling a space larger than 550 sq.ft.
Verdict: Rellytech 11500 BTU 17 SEER2 Mini Split is a practical choice for homeowners who want efficient, quiet cooling and heating on standard 115V circuits. It suits users who value precise remote sensing and multi-directional airflow over smart connectivity.
YITAHOME 12000 BTU 230V Mini Split
Best for: 230V rooms up to 750 sq ft
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- 750 sq ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, Alexa
- Voltage
- 230V
This YITAHOME unit delivers 12,000 BTU of cooling and heating for spaces up to 750 square feet. It operates on 230V power and achieves a 17 SEER2 efficiency rating. The system includes Wi-Fi connectivity and Alexa compatibility for remote control. You get five operating modes and four fan speeds. It runs quietly at under 41 dB, making it suitable for bedrooms or living areas where noise matters.
Pros
- 12,000 BTU cooling and heating capacity
- 17 SEER2 efficiency rating for energy savings
- Wi-Fi and Alexa smart control support
- Operates quietly at under 41 dB
- Works in temperatures from 5°F to 118°F
Cons
- Requires 230V electrical connection, not standard 115V
- Maximum coverage area is 750 square feet
- Indoor unit height is 11.5 inches
Good fit if
- You need a 12,000 BTU unit for a room up to 750 sq ft
- You have a 230V outlet available for installation
- You want smart control via Wi-Fi and Alexa
Skip if
- You only have standard 115V outlets
- You need to cool a space larger than 750 sq ft
- You prefer a unit with a 115V plug option
Verdict: YITAHOME 12000 BTU 17 SEER2 Mini Split fits homeowners with 230V wiring who need quiet, smart-controlled comfort for medium-sized rooms.
COSTWAY 9000 BTU Mini Split
Best for: Small rooms with 230V power
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 9000 BTU
- Voltage
- 208-230V
- Heat Pump
- 0.75 ton heat pump
- Dimensions
- 8 × 31.2 × 11.5 inches
- Weight
- 24.4 pounds
This COSTWAY 9000 BTU mini split offers 17 SEER2 efficiency on 208-230V power. It includes a 0.75 ton heat pump, five operating modes, and four fan speeds. The unit features self-cleaning, auto defrost, and a 24-hour timer. It weighs 24.4 pounds and measures 31.2 inches wide. This model suits smaller rooms needing reliable cooling and heating with inverter technology.
Pros
- 17 SEER2 efficiency rating
- 208-230V voltage compatibility
- Five working modes including heat
- Self-cleaning and auto defrost
- 24-hour programmable timer
Cons
- Lower 9000 BTU capacity
- No Wi-Fi or app control
- 24.4-pound unit weight
Good fit if
- You need a 9000 BTU unit
- You have 208-230V wiring
- You want basic remote control
Skip if
- You require 12000 BTU or more
- You need smart home integration
- You only have 115V outlets
Verdict: COSTWAY 9000 BTU 230V Mini Split is a practical option for small spaces with dedicated 230V circuits. It delivers steady comfort through inverter technology and self-cleaning features, though it lacks modern smart controls.
LITHZEN 24000 BTU 230V Mini Split
Best for: large rooms with 230V power
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 24000 BTU
- Voltage
- 208/230V
- Coverage Area
- Up to 1500 sq.ft
- Heat Pump
- 2 ton pre-charged heat pump
- Smart Connectivity
- WiFi, app, Alexa, voice control
This LITHZEN unit delivers 24000 BTU of cooling and heating for spaces up to 1500 sq.ft. It operates on 208/230V power with a 17 SEER2 efficiency rating. You get WiFi connectivity, app control, and voice assistant compatibility. The system includes a 24H timer, child lock, and seven operational modes. It is designed for larger rooms or open areas requiring substantial airflow and temperature management.
Pros
- 24000 BTU cooling capacity for large spaces
- 17 SEER2 efficiency rating for energy savings
- WiFi and app control with Alexa support
- Includes 9.8 ft copper piping line set
- Seven modes and five fan speeds
Cons
- Requires 208/230V electrical connection
- No 115V option available for this model
- Heavier build at 30 pounds
Good fit if
- You need to cool or heat a large room
- You have a 230V outlet installed
- You want smart home integration
Skip if
- You only have a standard 115V outlet
- You are cooling a small single room
- You prefer a lighter indoor unit
Verdict: LITHZEN 24000 BTU 230V Mini Split suits large spaces with existing 230V wiring. It offers high capacity and smart controls for those needing robust performance.
Tehanld 12000 BTU Mini Split
Best for: Standard 115V installations up to 750 sq. ft.
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 12,000 BTU
- Voltage
- 115V
- Coverage Area
- Up to 750 Sq.Ft
- Heat Pump
- Heater Pump
- Dimensions
- 7.48 × 31.5 × 11.4 inches
The Tehanld 12000 BTU mini split delivers 17 SEER2 efficiency for spaces up to 750 square feet. It operates on standard 115V power, making installation straightforward for most homes. The unit includes intelligent defrost technology and R32 refrigerant for reliable performance in temperatures down to -4°F. You get five operation modes and four fan speeds to adjust comfort levels. This system provides year-round climate control with a focus on energy savings.
Pros
- 17 SEER2 efficiency rating for energy savings
- 12,000 BTU cooling capacity for up to 750 sq. ft.
- Standard 115V electrical requirement
- Intelligent defrost technology for cold weather durability
- R32 refrigerant for eco-friendly operation
Cons
- Ships in two separate packages which may arrive at different times
- No Wi-Fi or smart home connectivity listed in specifications
- Indoor unit width of 31.5 inches is bulkier than some competitors
Good fit if
- You need a standard 115V unit for easy installation
- You want 17 SEER2 efficiency for a 750 sq. ft. space
- You require reliable heating performance in low temperatures
Skip if
- You need smart app control or Wi-Fi connectivity
- You are installing in a space larger than 750 sq. ft.
- You prefer a more compact indoor unit design
Verdict: Tehanld 12000 BTU 17 SEER2 Mini Split fits homeowners who want standard 115V power and solid 17 SEER2 efficiency for a 750 square foot room without needing smart features.
DELLA Econo 17,000 BTU Mini Split
Best for: medium rooms with 230V wiring
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 17,000 BTU
- Voltage
- 208-230V
- Coverage Area
- Up to 1000 sq ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, Alexa, App control
The Della Econo Series offers 17,000 BTU of cooling and heating for spaces up to 1,000 square feet. It operates on 208-230V power with a 17 SEER2 efficiency rating. You get smart features like Wi-Fi, Alexa compatibility, and 4D airflow. The unit includes a heat pump and runs quietly at 32 dBa. This model suits those needing strong performance in medium-sized rooms with standard 230V wiring.
Pros
- 17,000 BTU cooling capacity for up to 1,000 sq ft
- 17 SEER2 efficiency rating with DC Inverter technology
- Wi-Fi and Alexa smart connectivity via app
- 4D airflow and I Feel mode for precise temperature control
- Quiet operation at 32 dBa noise level
Cons
- Requires 208-230V electrical connection, not standard 115V
- Heating function limited to 5°F outdoor temperature
- Professional installation is mandatory, not DIY friendly
Good fit if
- You need 17,000 BTU of cooling power
- You have 208-230V electrical outlets available
- You want smart app and voice control features
Skip if
- You only have standard 115V household outlets
- You need heating in temperatures below 5°F
- You prefer a DIY installation without a pro
Verdict: Della 17000 BTU 230V Mini Split provides high capacity and smart control for medium rooms, making it a strong option for users with 230V wiring who need reliable heating and cooling down to 5°F.
Nexaro 12000 BTU 115V Mini Split
Best for: quiet cooling on standard 115V circuits
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 12000BTU
- Voltage
- 115V
- Coverage Area
- up to 750 Sq. Ft
- Heat Pump
- Heat Pump
- Mounting Type
- Wall Mount
The Nexaro 12000 BTU mini split offers 17 SEER2 efficiency on a standard 115V circuit. It cools spaces up to 750 square feet with inverter technology that adjusts compressor speed for steady temperatures. The indoor unit measures 31.5 inches wide and runs as quietly as 26 dB. It includes a 9.8 ft copper piping kit and features self-cleaning and auto-defrost functions for low maintenance.
Pros
- 17 SEER2 efficiency rating for energy savings
- Runs on standard 115V power
- Ultra-quiet operation down to 26 dB
- Includes 9.8 ft copper piping kit
- Self-cleaning function inhibits mold growth
Cons
- Ships in two separate boxes that may arrive on different dates
- 750 sq ft coverage is larger than typical 12000 BTU units
- No smart Wi-Fi connectivity listed in specifications
Good fit if
- You need a wall-mounted unit for a room up to 750 square feet
- You want to install the system on a standard 115V circuit
- You prioritize quiet operation for bedrooms or living spaces
Skip if
- You require smart home integration or app control
- You need a unit that ships in a single package
- You are looking for a 230V model only
Verdict: Nexaro 12000 BTU 115V Mini Split fits homeowners who want quiet, efficient cooling on a standard electrical circuit without needing smart features. It is a solid choice for medium-sized rooms where low noise and easy maintenance matter more than app connectivity.
Rellytech 17000 BTU 230V Mini Split
Best for: larger rooms with 230V power
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 17000 BTU
- Voltage
- 230V
- Coverage Area
- up to 550 sq ft
- Heat Pump
- Heat Pump
- Dimensions
- 12.2 × 31.9 × 9.5 inches
This Rellytech unit delivers 17,000 BTU of cooling and heating power at 17 SEER2 efficiency. It operates on 230V and covers spaces up to 550 square feet. The inverter compressor adjusts output for steady temperatures. Noise levels drop to 29 dB on low speed. It includes auto-defrost and a 24-hour timer. This model suits larger rooms or open areas where higher capacity is necessary.
Pros
- 17,000 BTU cooling capacity
- 17 SEER2 efficiency rating
- 230V electrical requirement
- 29 dB low-speed noise level
- Covers up to 550 sq ft
Cons
- 17 SEER2 is lower than the 19-21 SEER2 options on this list
- Requires 230V circuit, not standard 115V
- No built-in Wi-Fi in this specific configuration
Good fit if
- You need 17,000 BTU for a large room
- You have a 230V outlet available
- You prioritize higher cooling power over maximum efficiency
Skip if
- You only have standard 115V outlets
- You want the highest possible SEER2 rating
- You need built-in smart home connectivity
Verdict: Rellytech 17000 BTU 230V Mini Split provides strong cooling for larger spaces but falls short on efficiency compared to higher-rated competitors. It is best for users with 230V power who need extra capacity.
Filterbuy 12,000 BTU 17 SEER2 Mini Split
Best for: small rooms under 550 sq ft on 115V
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 12,000 BTU
- Voltage
- 115V
- Coverage Area
- Up to 550 sq ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- WiFi App, Amazon Alexa
This Filterbuy mini split delivers 12,000 BTU of cooling and heating for spaces up to 550 square feet. It operates on standard 115V power and achieves a 17 SEER2 efficiency rating. The unit includes WiFi app control, Alexa compatibility, and a precision temperature sensor. It also features self-cleaning technology and heats down to 5°F. This model suits smaller rooms where standard voltage and smart features are priorities.
Pros
- 12,000 BTU cooling and heating capacity
- 17 SEER2 efficiency rating for energy savings
- Works on standard 115V household power
- WiFi and Alexa smart home connectivity
- Heats effectively down to 5°F outside
Cons
- Covers a smaller area of 550 sq ft compared to larger units on this list
- Heavier at 82 pounds, making installation more physically demanding
- Standard 3-year parts warranty is shorter than the 7-year compressor coverage
Good fit if
- You need a unit for a room under 550 square feet
- You want to use a standard 115V outlet without upgrading to 230V
- You prefer smart app control and Alexa integration
Skip if
- You need to cool a space larger than 550 square feet
- You require a unit that operates on 230V power
- You want a longer warranty on parts beyond three years
Verdict: Filterbuy 12,000 BTU 17 SEER2 Mini Split is a practical option for small rooms where standard 115V power and smart features are required. It fits buyers who need efficient cooling for spaces up to 550 square feet without complex electrical upgrades.
ROVSUN 17000 BTU 230V Mini Split
Best for: larger rooms with 230V power access
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 17,000 BTU
- Voltage
- 230V
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, Alexa, Google Assistant, App
- Dimensions
- 8.11 × 35.8 × 11.6 inches
This ROVSUN unit offers 17,000 BTU of cooling and heating with 17 SEER2 efficiency. It runs on 230V power and includes Wi-Fi control via app or voice assistants. The indoor unit measures 35.8 inches wide and weighs 80 pounds. You get smart features like sleep mode and automatic defrost. It suits larger rooms needing strong performance and modern connectivity.
Pros
- 17,000 BTU cooling capacity for larger spaces
- 17 SEER2 efficiency rating for energy savings
- Wi-Fi connectivity with Alexa and Google Assistant support
- Ultra-quiet operation at 32 dBA on low speed
- 230V electrical requirement for robust power delivery
Cons
- Requires 230V circuit, which may need electrical upgrade
- Heavy indoor unit at 80 pounds
- Wide 35.8-inch indoor unit may not fit small walls
Good fit if
- You have a 230V outlet available for installation
- You need higher cooling capacity than 12,000 BTU units
- You want smart home integration with voice control
Skip if
- You only have 115V outlets available
- You need a compact unit under 30 inches wide
- You prefer a lighter indoor unit for easier mounting
Verdict: ROVSUN 17000 BTU 230V Mini Split delivers strong cooling power and smart features for larger rooms. It fits users with 230V power who need higher capacity than standard 12,000 BTU models.
Manastin 12000 BTU 230V Mini Split
Best for: 230V powered rooms up to 750 sq ft
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 12000BTU
- Voltage
- 230V
- Coverage Area
- up to 750 sq. ft.
- Dimensions
- 7.5 × 31.5 × 11.4 inches
- Weight
- 64.1 pounds
The Manastin 12000 BTU mini split uses inverter technology to reach a 17 SEER2 efficiency rating. It operates on 230V power and covers spaces up to 750 square feet. The unit cools in 30 seconds and heats in 60 seconds. It includes five modes, four fan speeds, and a 24-hour timer. AHRI certification confirms its performance standards. This model suits users who want fast climate control in moderately sized rooms.
Pros
- 17 SEER2 efficiency rating for energy savings
- 230V voltage for efficient operation
- Cools in 30 seconds and heats in 60 seconds
- AHRI certified for performance reliability
- Covers up to 750 square feet
Cons
- Requires 230V electrical connection
- Heavier build at 64.1 pounds
- No smart home app integration listed
Good fit if
- You have a 230V outlet available
- You need rapid cooling and heating
- You want AHRI certified performance
Skip if
- You only have 115V outlets
- You need a unit for spaces larger than 750 square feet
- You require Wi-Fi connectivity
Verdict: Manastin 12000 BTU 230V Mini Split is a solid choice for rooms up to 750 square feet where 230V power is available. It delivers fast temperature changes and verified efficiency without requiring smart home features.
ROVSUN 11500 BTU 17 SEER2 Mini Split
Best for: Quiet, efficient cooling in medium rooms
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 11,500 BTU
- Heat Pump
- Heat Pump
- Voltage
- 230V
- Dimensions
- 7.94 × 30.6 × 9.84 inches
- Weight
- 71 pounds
The ROVSUN 11500 BTU 17 SEER2 Mini Split offers efficient cooling and heating for medium-sized rooms. It operates on 230V power and achieves a 17 SEER2 rating. The indoor unit runs quietly at 33 dBa on low speed. You get features like a 24-hour timer, sleep mode, and an ECO mode. The display screen is dimmable to avoid light disturbance at night. This unit is suitable for homes or light commercial spaces.
Pros
- 17 SEER2 efficiency rating for energy savings
- Ultra-quiet operation at 33 dBa on low speed
- 230V voltage for stable performance
- Dimmable display screen for night use
Cons
- 11,500 BTU capacity is smaller than many competitors
- No Wi-Fi or app control mentioned in specs
- Requires professional installation
Good fit if
- You need a 230V unit for a 11,500 BTU space
- You prioritize quiet operation with a dimmable display
- You want a basic, reliable heat pump without smart features
Skip if
- You require Wi-Fi connectivity or app control
- You need a higher capacity than 11,500 BTU
- You only have 115V outlets available
Verdict: The ROVSUN 11500 BTU 17 SEER2 Mini Split fits users who value quiet, efficient cooling on a 230V circuit without needing smart home integration.
Pioneer 11,500 BTU 230V Mini Split
Best for: Quiet cooling in 230V-equipped rooms
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 11,500 BTU
- Voltage
- 230V
- Heat Pump
- Heat Pump
- Dimensions
- 7.88 × 30.5 × 9.75 inches
- Weight
- 17 pounds
The Pioneer Diamante Essenza offers 11,500 BTU of cooling and heating via a 230V heat pump. It delivers 17 SEER2 efficiency, ensuring steady compressor operation without frequent cycling. The indoor unit measures 30.5 inches wide and weighs just 17 pounds. It includes a 16-foot lineset and operates quietly, making it suitable for bedrooms or offices.
Pros
- 17 SEER2 efficiency rating for steady operation
- 230V power connection for dedicated circuits
- Quiet indoor operation ideal for sleeping areas
- Includes 16 ft. factory-charged lineset
Cons
- 11,500 BTU capacity is lower than many 12,000 BTU competitors
- Requires 230V wiring, not standard 115V outlets
- No smart Wi-Fi connectivity listed in specifications
Good fit if
- You need a quiet unit for a bedroom or nursery
- You have a dedicated 230V circuit available
- You prefer a minimalist high-wall design
Skip if
- You require 115V plug-in convenience
- You need smart home app control
- You require more than 11,500 BTU for cooling
Verdict: Pioneer 11,500 BTU 230V Mini Split is a quiet, efficient choice for small rooms with 230V power. It suits those prioritizing silent operation over smart features.
Kinetheme 12000 BTU 230V Mini Split
Best for: medium rooms with 230V power access
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 12000 BTU
- Voltage
- 230V
- Coverage Area
- Up to 750 Sq. Ft
- Dimensions
- 31.5 × 11.4 × 7.5 inches
- Weight
- 78 pounds
This Kinetheme unit delivers 12000 BTU of cooling and heating for spaces up to 750 square feet. It operates on 230V power and carries a 17 SEER2 efficiency rating. The system uses R32 refrigerant and includes a 24-hour timer, four fan speeds, and self-cleaning functions. It also features auto-defrost down to -4°F. This model is designed for medium-sized rooms where stable temperature control and energy efficiency are priorities.
Pros
- 17 SEER2 efficiency rating for energy savings
- 230V electrical connection
- Covers up to 750 square feet
- Auto-defrost works at -4°F
- Includes 9.8 ft copper piping line set
Cons
- Requires 230V power outlet
- Heating recovery takes 60 seconds
- No built-in Wi-Fi mentioned in specs
Good fit if
- You have a 230V outlet available for installation
- You need to cool a room up to 750 square feet
- You want a unit with self-cleaning and auto-defrost features
Skip if
- You only have a standard 115V outlet
- You need to cool a space larger than 750 square feet
- You require built-in smart home connectivity without extra hardware
Verdict: Kinetheme 12000 BTU 230V Mini Split suits you if you have the correct 230V wiring and need efficient cooling for a medium room. It offers reliable performance with self-cleaning and cold-weather defrosting.
YITAHOME 12000 BTU 17 SEER2 Mini Split
Best for: 230V homes needing smart quiet cooling
- Efficiency Rating
- 17 SEER2 (what this guide is about)
- Cooling Capacity
- 12000 BTU
- Voltage
- 208-230V
- Coverage Area
- 750 sq ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- WiFi-enabled, Alexa compatible
This YITAHOME unit delivers 12,000 BTU of cooling and heating with 17 SEER2 efficiency. It runs on 208-230V power and covers up to 750 square feet. The system includes WiFi connectivity for Alexa control and operates below 41 decibels. It functions in temperatures from 5°F to 118°F. You get smart features like iFEEL and automatic defrosting in a compact 14.6-inch high design.
Pros
- 17 SEER2 efficiency rating for energy savings
- WiFi and Alexa smart control compatibility
- Operates quietly below 41 decibels
- Heats effectively down to 5°F outdoor temperature
Cons
- Requires 208-230V electrical connection
- Maximum coverage area is 750 square feet
- Indoor unit height is 14.6 inches
Good fit if
- You have a 208-230V circuit available
- You need smart control via Alexa
- You want quiet operation under 41 dB
Skip if
- You only have a 115V outlet
- You need to cool a room larger than 750 sq ft
- You require a lower profile indoor unit
Verdict: YITAHOME 12000 BTU 17 SEER2 Mini Split suits users with 230V wiring who want smart home integration and quiet cooling for medium-sized rooms.
Specifications side by side
| Spec | Rellytech 11500 BTU 17 SEER2 Mini Split | YITAHOME 12000 BTU 230V Mini Split | COSTWAY 9000 BTU Mini Split | LITHZEN 24000 BTU 230V Mini Split | Tehanld 12000 BTU Mini Split | DELLA Econo 17,000 BTU Mini Split | Nexaro 12000 BTU 115V Mini Split | Rellytech 17000 BTU 230V Mini Split | Filterbuy 12,000 BTU 17 SEER2 Mini Split | ROVSUN 17000 BTU 230V Mini Split | Manastin 12000 BTU 230V Mini Split | ROVSUN 11500 BTU 17 SEER2 Mini Split | Pioneer 11,500 BTU 230V Mini Split | Kinetheme 12000 BTU 230V Mini Split | YITAHOME 12000 BTU 17 SEER2 Mini Split |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooling Capacity | 11500 BTU | 12,000 BTU | 9000 BTU | 24000 BTU | 12,000 BTU | 17,000 BTU | 12000BTU | 17000 BTU | 12,000 BTU | 17,000 BTU | 12000BTU | 11,500 BTU | 11,500 BTU | 12000 BTU | 12000 BTU |
| Efficiency Rating | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 | 17 SEER2 |
| Voltage | 115V | not specified | 208-230V | 208/230V | 115V | 208-230V | 115V | 230V | 115V | 230V | 230V | not specified | 230V | 230V | 208-230V |
| Coverage Area | 550 Sq.Ft. | 750 sq ft | not specified | Up to 1500 sq.ft | Up to 750 Sq.Ft | Up to 1000 sq ft | up to 750 Sq. Ft | up to 550 sq ft | Up to 550 sq ft | not specified | up to 750 sq. ft. | not specified | not specified | Up to 750 Sq. Ft | 750 sq ft |
| Heat Pump | not specified | Heat Pump | 0.75 ton heat pump | 2 ton pre-charged heat pump | Heater Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | not specified | Heat Pump | Heat Pump | not specified | Heat Pump |
| Smart Connectivity | not specified | Wi-Fi, Alexa | not specified | WiFi, app, Alexa, voice control | not specified | Wi-Fi, Alexa, App control | not specified | not specified | WiFi App, Amazon Alexa | Wi-Fi, Alexa, Google Assistant, App | not specified | not specified | not specified | not specified | WiFi-enabled, Alexa compatible |
| Mounting Type | not specified | not specified | not specified | not specified | not specified | not specified | Wall Mount | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Smart Control | not specified | Wi-Fi | not specified | Wi-Fi | not specified | Wi-Fi, Alexa | not specified | not specified | Wi-Fi, Alexa | Wi-Fi | not specified | not specified | not specified | not specified | Wi-Fi, Alexa |
| Dimensions | 11.4 × 30.7 × 9.5 inches | 7.9 × 31.2 × 11.5 inches | 8 × 31.2 × 11.5 inches | 9 × 40.5 × 13 inches | 7.48 × 31.5 × 11.4 inches | 8.11 × 35.8 × 11.6 inches | 7.5 × 31.5 × 11.4 inches | 12.2 × 31.9 × 9.5 inches | 12 × 31 × 20 inches | 8.11 × 35.8 × 11.6 inches | 7.5 × 31.5 × 11.4 inches | 7.94 × 30.6 × 9.84 inches | 7.88 × 30.5 × 9.75 inches | 31.5 × 11.4 × 7.5 inches | 11.4 × 34.7 × 14.6 inches |
| Weight | 68.5 pounds | 21.1 pounds | 24.4 pounds | 30 pounds | 20.9 pounds | 86 pounds | 68 pounds | 78.1 pounds | 82 pounds | 80 pounds | 64.1 pounds | 71 pounds | 17 pounds | 78 pounds | 75.2 pounds |
| Color | White | White | White | White | White | White | White | White | White | White | White | White | White | White | White |
| Model | #ESW-001 | MAYIHNONuN | FP10404US-WH+ | 11273-CYFP | 0745-S120-4 | IF-17K2VR-17S-I+O | JIUHE7452s | CE0-1 | FAM-12K115V | 17SEER-16K-230V-WiFi | MS0745SAC-120L | 17SEER-11K-230V | WYT012GLUI17RL | not specified | MAYIHDFG8W |
| Size | not specified | not specified | 9000BTU, 208-230V, 17 SEER2 | not specified | 115V-12000BTU | 17,000 BTU 230V - 17 SEER2 | 12000BTU, 115V, 17 SEER2 | 17000BTU,230V,17 SEER2 | 12000 BTU 115V | not specified | 12000BTU, 230V, 17SEER2 | not specified | 11500 BTU - 230V | 230V | not specified |
Is 17 SEER2 Efficiency Worth the Choice?
17 SEER2 measures how efficiently the unit converts electricity into cooling. Higher numbers mean less energy waste. In this list, every model shares this rating. The difference is how that efficiency applies to your space. A 9000 BTU unit cools a small room. A 24000 BTU unit handles large areas. You get steady comfort in both cases. The rating ensures you are not paying for excess power use. It matches your voltage needs.
Worth it if
- You want consistent efficiency across all unit sizes
- You need quiet operation on standard 115V circuits
- You require smart controls for larger 230V rooms
Skip it if
- You need extreme cold weather performance below 5°F
- You want a budget option without smart features
- You prefer a specific brand over efficiency specs
If you also run automation controllers, you can compare specifications for the best MeLE mini PCs.
How We Selected These Mini Splits
We identified these 15 units by scanning Amazon listings for the specific Efficiency Rating of 17 SEER2. This metric indicates how much cooling output you get per unit of electricity consumed over a typical season. We included only models where this rating appeared clearly in the title or feature list. We did not test the units ourselves. All details come directly from the published specifications on the product pages.
The list is ordered by availability first, then by the listing's overall rating weighted by review count, and finally by how many guide criteria the specs meet. We show only one variant per product family to keep the comparison clear. Prices and stock levels update daily on the page and are not included here.
Key Specs for Choosing 17 SEER2 Mini Splits
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Match Voltage to Circuit
You must verify your home’s electrical circuit before purchasing. The Rellytech 11500 BTU model operates on standard 115V, fitting most homes without upgrades. Other units, like the YITAHOME 12000 BTU, require 230V wiring. Using a 230V unit on a 115V outlet will prevent operation. Conversely, plugging a 115V unit into a 230V source can damage the compressor. Check your breaker panel to confirm the available voltage matches the unit’s specification exactly.
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Check Coverage Area
Select the BTU capacity based on your room’s square footage. The Filterbuy 12,000 BTU unit is rated for spaces up to 550 square feet, making it ideal for small bedrooms. Larger rooms, such as living areas, may require the Della 17,000 BTU model, which covers up to 1,000 square feet. Using a unit with insufficient capacity will struggle to maintain temperature. Over-sizing can cause short cycling. Match the listed coverage area to your room’s dimensions for consistent comfort and efficiency.
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Consider Smart Control Needs
Decide if you need remote management features. Models like the DELLAs Econo and Filterbuy include Wi-Fi and Alexa compatibility, allowing you to adjust settings from your phone. If you prefer simplicity, the COSTWAY 9000 BTU model offers steady comfort without smart connectivity. Smart controls add convenience but may introduce complexity. Choose a unit with Wi-Fi if you want to schedule cooling or adjust temperatures remotely. Select a basic model if you are comfortable using the physical remote.
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Evaluate Physical Dimensions
Measure your installation wall space to ensure the indoor unit fits. The LITHZEN 24000 BTU model is significantly wider at 40.5 inches, requiring ample wall space. In contrast, the Pioneer 11,500 BTU unit is more compact, measuring 30.5 inches wide. Height and depth also matter for clearance and airflow. Check the width, height, and length specifications before mounting. Ensure there is enough space around the unit for proper air intake and discharge to maintain the 17 SEER2 efficiency rating.
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Review Mounting Type
Confirm the installation method matches your wall structure. The Nexaro 12000 BTU model is specified as a wall mount unit, which is standard for most residential applications. Ensure your wall can support the unit’s weight. The Pioneer 11,500 BTU weighs only 17 pounds, while the Della 17,000 BTU weighs 86 pounds. Heavier units require sturdy mounting brackets and proper wall anchoring. Verify the mounting type and weight limits to ensure a safe and secure installation that prevents vibration or damage.
Frequently asked questions
Can I install a 230V mini split on a standard 115V outlet?
No. You must match the unit to your electrical circuit. Models like the YITAHOME 12000 BTU require 230V wiring. Using the wrong voltage can prevent installation or damage the system. Check your panel before buying. Only units like the Rellytech 11500 BTU work on standard 115V circuits.
Which 17 SEER2 mini split is best for a 550 square foot room?
The Filterbuy 12,000 BTU 17 SEER2 Mini Split is designed for small rooms under 550 square feet. It operates on standard 115V power, so you do not need complex electrical upgrades. It includes Wi-Fi and Alexa smart controls for convenient management. This makes it a practical choice for tighter spaces.
Do all 17 SEER2 mini splits have smart home features?
No. Some models include Wi-Fi connectivity, while others do not. The Della 17,000 BTU and Filterbuy 12,000 BTU units offer Wi-Fi and Alexa support. In contrast, the COSTWAY 9000 BTU and Manastin 12,000 BTU models lack modern smart controls. Check the attributes list to see if your preferred unit has these features.
How much weight does the indoor unit add to my wall?
The weight varies by model and capacity. The Pioneer 11,500 BTU is the lightest at 17 pounds. The ROVSUN 17,000 BTU is heavier at 80 pounds. The YITAHOME 12,000 BTU (position 2) weighs only 21.1 pounds. Ensure your wall can support the specific weight of the unit you choose.
What is the difference between 115V and 230V mini splits?
The difference is the required electrical circuit. 115V models, like the Rellytech 11500 BTU, fit standard household outlets. 230V models, like the LITHZEN 24,000 BTU, require dedicated high-voltage wiring. You must verify your home’s electrical setup before purchasing. Installing a 230V unit on a 115V circuit is not possible.
Are there 17 SEER2 mini splits without Wi-Fi connectivity?
Yes. Several units in this list operate without smart features. The COSTWAY 9000 BTU and Manastin 12,000 BTU models do not include Wi-Fi. The Nexaro 12,000 BTU also lacks app connectivity. These are solid choices if you prefer remote control or simple operation over smartphone integration.
Which 17 SEER2 mini split is best for a 1,000 square foot room?
The Della 17,000 BTU 230V Mini Split is rated for 1,000 square feet. It provides high capacity for medium rooms and includes Wi-Fi and Alexa support. It requires 230V wiring. This model offers reliable heating and cooling down to 5°F, making it suitable for larger spaces with the correct electrical setup.