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15 Best Mini Splits Under $500, Compared

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Finding the best mini splits under $500 requires looking past marketing claims and focusing on hard numbers. You need a unit that matches your home’s electrical setup and room size. We compared 15 models based strictly on the specifications published on their listings.

The Rellytech 18000 BTU 230V Mini Split leads because its 19 SEER2 rating delivers strong heating and cooling for larger spaces. This guide helps you decide which voltage, efficiency, and capacity fit your specific needs.

Quick picks

#ProductBest forPrice
1 Rellytech 18000 BTU 230V Mini Split Best overall large rooms with 230V power Check price of Rellytech 18000 BTU 230V Mini Split on Amazon
2 YITAHOME 12000 BTU 115V Mini Split Also great Medium rooms needing 115V power and smart controls Check price of YITAHOME 12000 BTU 115V Mini Split on Amazon
3 COSTWAY 12000 BTU 115V Mini Split Also great standard 115V circuit installations Check price of COSTWAY 12000 BTU 115V Mini Split on Amazon
4 COSTWAY 9000 BTU Mini Split 21 SEER2 Best 21 seer2 High-efficiency cooling in smaller rooms with 230V power Check price of COSTWAY 9000 BTU Mini Split 21 SEER2 on Amazon
5 Albott 9100 BTU 115V Mini Split Also great small rooms on standard 115V circuits Check price of Albott 9100 BTU 115V Mini Split on Amazon
6 ROVSUN 9000 BTU 20 SEER2 Mini Split Best premium small rooms needing smart control Check price of ROVSUN 9000 BTU 20 SEER2 Mini Split on Amazon
7 Mountman 12000 BTU 230V Mini Split Best budget 230V rooms up to 750 sq ft Check price of Mountman 12000 BTU 230V Mini Split on Amazon
8 Garvee 12000 BTU 230V Mini Split Also great 230V spaces needing quiet, efficient cooling Check price of Garvee 12000 BTU 230V Mini Split on Amazon
9 Temprium 12000 BTU 230V Mini Split Also great 230V circuits needing smart, quiet cooling Check price of Temprium 12000 BTU 230V Mini Split on Amazon
10 Garvee 12k BTU 22 SEER2 Mini Split Best 22 seer2 115V high-efficiency smart cooling Check price of Garvee 12k BTU 22 SEER2 Mini Split on Amazon
11 YITAHOME 12000 BTU 115V Mini Split Also great Standard 115V homes needing smart control Check price of YITAHOME 12000 BTU 115V Mini Split on Amazon
12 GrowthWing 12000 BTU Mini Split Also great 115V homes needing smart control Check price of GrowthWing 12000 BTU Mini Split on Amazon
13 LITHZEN 12000 BTU 230V Mini Split Also great 230V-powered rooms up to 600 sq. ft. Check price of LITHZEN 12000 BTU 230V Mini Split on Amazon
14 Tehanld 12000 BTU Mini Split Best 17 seer2 standard 115V installations needing cold weather heat Check price of Tehanld 12000 BTU Mini Split on Amazon
15 Uthfy 12000 BTU 115V Mini Split Also great Bedrooms needing quiet, 115V cooling Check price of Uthfy 12000 BTU 115V Mini Split on Amazon

The best fit for you

  • You need strong cooling for a large room with 230V power Rellytech 18000 BTU 230V Mini Split The 18000 BTU capacity and 19 SEER2 efficiency handle larger spaces on 230V circuits.
  • You want the highest efficiency rating available on this list Garvee 12k BTU 22 SEER2 Mini Split The 22 SEER2 rating provides top-tier energy efficiency for 115V setups.
  • You need smart controls in a compact unit on standard voltage YITAHOME 12000 BTU 115V Mini Split This 12000 BTU model includes Wi-Fi smart control and fits standard 115V outlets.
  • You require a high-efficiency unit for a smaller room COSTWAY 9000 BTU Mini Split 21 SEER2 The 21 SEER2 efficiency and 9000 BTU capacity suit smaller spaces with 230V power.

Our 15 picks

Best overall

Rellytech 18000 BTU 230V Mini Split

Best for: large rooms with 230V power

Cooling Capacity
18,000 BTU
Efficiency Rating
19 SEER2
Voltage
208-230V
Coverage Area
Up to 1,250 sq. ft.
Heat Pump
Heat Pump
Dimensions
12.4 × 39.6 × 9.5 inches

View on Amazon: Rellytech 18000 BTU 230V Mini Split

This Rellytech unit delivers 18,000 BTU of cooling and heating for spaces up to 1,250 square feet. It runs on 208-230V power and achieves a 19 SEER2 efficiency rating. You get four operating modes and four fan speeds to adjust airflow. The indoor unit measures 39.6 inches wide and weighs 112 pounds. This system suits larger rooms or open areas where higher capacity is necessary.

Pros

  • 18,000 BTU cooling capacity
  • 19 SEER2 efficiency rating
  • 208-230V voltage compatibility
  • Covers up to 1,250 sq. ft.

Cons

  • Requires 208-230V electrical connection
  • No listed WiFi or smart app control
  • 112-pound indoor unit weight

Good fit if

  • You need 18,000 BTU for a large room
  • You have a 230V circuit available
  • You want a high-capacity heat pump

Skip if

  • You only have 115V outlets
  • You need WiFi connectivity
  • Your space is under 1,000 sq. ft.

Verdict: Rellytech 18000 BTU 230V Mini Split offers strong heating and cooling for larger spaces. It fits homes with 230V circuits that need more power than standard 12,000 BTU units provide.

Also great

YITAHOME 12000 BTU 115V Mini Split

Best for: Medium rooms needing 115V power and smart controls

Cooling Capacity
12,000 BTU
Efficiency Rating
20 SEER2
Coverage Area
750 sq ft
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa
Voltage
115V

View on Amazon: YITAHOME 12000 BTU 115V Mini Split

This YITAHOME unit delivers 12,000 BTU of cooling and heating at 20 SEER2 efficiency. It runs on standard 115V power, fitting most homes without electrical upgrades. The system covers up to 750 square feet and includes WiFi and Alexa control. You get five operating modes, four fan speeds, and quiet operation under 41 dB. It is a solid option for medium-sized rooms where smart features and energy savings matter.

Pros

  • 20 SEER2 efficiency rating for strong energy savings
  • Standard 115V electrical connection for easy installation
  • WiFi and Alexa compatibility for remote control
  • Quiet operation at under 41 dB
  • Covers up to 750 square feet

Cons

  • Lower SEER2 rating compared to 21-22 SEER2 competitors
  • Smaller 12,000 BTU capacity than 18,000 BTU options
  • Requires professional installation

Good fit if

  • You need a 115V unit for standard outlets
  • You want WiFi and Alexa smart controls
  • You are cooling a room up to 750 sq ft

Skip if

  • You require the highest possible SEER2 efficiency
  • You need more than 12,000 BTU of cooling
  • You prefer a 208-230V high-voltage system

Verdict: YITAHOME 12000 BTU 115V Mini Split is a practical choice for homeowners who need standard 115V power and smart controls. It fits well in medium-sized rooms where 20 SEER2 efficiency is sufficient.

Also great

COSTWAY 12000 BTU 115V Mini Split

Best for: standard 115V circuit installations

Cooling Capacity
12000BTU
Efficiency Rating
20 SEER
Voltage
115V
Heat Pump
1 ton heat pump
Dimensions
9 × 44.5 × 13 inches
Weight
68 pounds

View on Amazon: COSTWAY 12000 BTU 115V Mini Split

This COSTWAY unit delivers 12,000 BTU of cooling and heating at 20 SEER efficiency on a standard 115V circuit. It includes five working modes, four fan speeds, and a remote control with an auto-off display to reduce light pollution. The system features self-cleaning and auto-defrost functions. It suits spaces needing reliable climate control without requiring a dedicated 208-230V line.

Pros

  • 20 SEER efficiency rating for energy savings
  • 115V voltage for standard household outlets
  • Includes remote control with timer function
  • Self-cleaning and auto-defrost capabilities

Cons

  • Lower SEER rating than many competitors
  • No Wi-Fi or smart app connectivity
  • Standard remote lacks advanced scheduling

Good fit if

  • You need a 115V unit for easy installation
  • You want basic remote control functionality
  • You prefer standard cooling and heating modes

Skip if

  • You require Wi-Fi smart home integration
  • You need higher SEER efficiency ratings
  • You have a 208-230V electrical system

Verdict: COSTWAY 12000 BTU 115V Mini Split fits users who prioritize standard voltage compatibility and basic remote operation over smart features or peak efficiency.

Best 21 seer2

COSTWAY 9000 BTU Mini Split 21 SEER2

Best for: High-efficiency cooling in smaller rooms with 230V power

Cooling Capacity
9000 BTU
Efficiency Rating
21 SEER2
Voltage
208/230V
Coverage Area
up to 450 sq.ft.
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, app, Alexa, Google Assistant

View on Amazon: COSTWAY 9000 BTU Mini Split 21 SEER2

This 9000 BTU mini split delivers 21 SEER2 efficiency on 208/230V power. It covers up to 450 sq.ft. and includes Wi-Fi, app control, and voice assistant compatibility. The unit operates quietly at 28 dB and features a 4D airflow design. You get seven modes and eight fan speeds for precise comfort. It is a strong option for spaces where high efficiency and smart control matter.

Pros

  • 21 SEER2 efficiency rating
  • 208/230V voltage support
  • Wi-Fi and app connectivity
  • Voice control with Alexa and Google Assistant
  • 28 dB operating noise level

Cons

  • Requires 208/230V power, not standard 115V
  • 9000 BTU capacity limits coverage to smaller rooms
  • No mention of included professional installation

Good fit if

  • You have a 208/230V electrical circuit available
  • You want high energy efficiency with 21 SEER2
  • You need smart control via app or voice

Skip if

  • You only have a standard 115V outlet
  • You need to cool a large room over 450 sq.ft.
  • You prefer a unit with a higher BTU capacity

Verdict: COSTWAY 9000 BTU Mini Split 21 SEER2 suits users with 208/230V power who prioritize efficiency and smart features in a compact 9000 BTU package.

Also great

Albott 9100 BTU 115V Mini Split

Best for: small rooms on standard 115V circuits

Cooling Capacity
9,100 BTU
Efficiency Rating
20.5 SEER2
Voltage
115V
Heat Pump
Heat Pump
Dimensions
29.9 × 7.9 × 11.6 inches
Weight
151 pounds

View on Amazon: Albott 9100 BTU 115V Mini Split

The Albott 9100 BTU mini split offers 20.5 SEER2 efficiency on a standard 115V circuit. It provides 9,100 BTU of cooling and heating power with smart Wi-Fi compatibility for remote control. The unit includes self-cleaning technology and operates quietly. This model suits small rooms where a standard outlet is available and moderate cooling capacity is sufficient.

Pros

  • 20.5 SEER2 energy efficiency rating
  • Standard 115V electrical connection
  • Wi-Fi smart control compatibility
  • 9,100 BTU cooling and heating capacity
  • Self-cleaning function with maintenance reminders

Cons

  • Lower 9,100 BTU capacity compared to 12,000 BTU options
  • Heavier indoor unit at 151 pounds
  • Limited to smaller room coverage

Good fit if

  • You need a mini split that plugs into a standard 115V outlet
  • You are cooling a small bedroom or office space
  • You want smart app control without 230V wiring

Skip if

  • You require high-capacity cooling for large rooms
  • You need a 208-230V high-efficiency model
  • You prefer a lighter, more compact indoor unit

Verdict: Albott 9100 BTU 115V Mini Split fits users who need efficient cooling in small spaces using standard household outlets. It is a practical option for bedrooms or home offices where high BTU output is unnecessary.

Best premium

ROVSUN 9000 BTU 20 SEER2 Mini Split

Best for: small rooms needing smart control

Cooling Capacity
9000 BTU
Efficiency Rating
20 SEER2, 19 SEER
Voltage
115V
Coverage Area
Up to 400 sq.ft.
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, App, Alexa, Google Assistant

View on Amazon: ROVSUN 9000 BTU 20 SEER2 Mini Split

This ROVSUN unit provides 9,000 BTU of cooling and heating for spaces up to 400 square feet. It operates on a standard 115V circuit and achieves a 20 SEER2 efficiency rating. The indoor unit weighs 70 pounds and includes Wi-Fi connectivity for app and voice control via Alexa or Google Assistant. You get a quiet 28 dB mute mode and a wide temperature range for year-round comfort.

Pros

  • 20 SEER2 efficiency rating for energy savings
  • Wi-Fi and app control with voice assistant support
  • Ultra-quiet 28 dB operation in mute mode
  • Works with standard 115V household outlets

Cons

  • 9,000 BTU capacity limits use to small rooms
  • 70-pound indoor unit requires sturdy wall mounting
  • Includes copper lines but requires a separate power cord

Good fit if

  • You need a quiet unit for a bedroom or office
  • You want smart app control without extra hubs
  • You have a standard 115V electrical circuit

Skip if

  • You need to cool a large open living area
  • You require a 230V high-voltage connection
  • You need more than 9,000 BTU of cooling power

Verdict: ROVSUN 9000 BTU 20 SEER2 Mini Split delivers efficient, smart-controlled comfort for small rooms. It suits you if you prioritize quiet operation and app management over raw cooling power.

Best budget

Mountman 12000 BTU 230V Mini Split

Best for: 230V rooms up to 750 sq ft

Cooling Capacity
12,000 BTU
Efficiency Rating
19 SEER2
Voltage
208/230V
Coverage Area
Up to 750 sq ft
Heat Pump
Heat Pump
Dimensions
8.23 × 32.3 × 11.9 inches

View on Amazon: Mountman 12000 BTU 230V Mini Split

The Mountman 12000 BTU mini split provides 19 SEER2 efficiency on a 208/230V circuit. It cools and heats spaces up to 750 square feet. You get four fan speeds and specialized modes like Sleep and ECO. The unit includes a remote with a 24-hour timer. It runs quietly at 26dB in Sleep Mode. This system suits rooms needing reliable year-round climate control on standard voltage.

Pros

  • 19 SEER2 energy efficiency rating
  • 208/230V voltage compatibility
  • Covers up to 750 square feet
  • Ultra-quiet 26dB operation in Sleep Mode
  • Includes 24-hour timer on remote

Cons

  • 19 SEER2 is lower than many competitors offering 20 to 23 SEER2
  • Requires 208/230V circuit, not standard 115V
  • No Wi-Fi or smart app control listed

Good fit if

  • You have a 208/230V electrical circuit available
  • You need cooling for a room up to 750 square feet
  • You prioritize quiet operation with a dedicated Sleep Mode

Skip if

  • You only have standard 115V outlets
  • You want smart app control via Wi-Fi
  • You need the highest possible SEER2 efficiency rating

Verdict: Mountman 12000 BTU 230V Mini Split is a solid choice for spaces up to 750 square feet that have 208/230V wiring. It delivers steady cooling and heating with quiet performance, though you pay a slight efficiency premium compared to higher SEER2 models.

Also great

Garvee 12000 BTU 230V Mini Split

Best for: 230V spaces needing quiet, efficient cooling

Cooling Capacity
12,000 BTU
Efficiency Rating
19 SEER2
Voltage
230V
Coverage Area
up to 750 sq ft
Heat Pump
Heat Pump
Dimensions
34 × 21.4 × 13.4 inches

View on Amazon: Garvee 12000 BTU 230V Mini Split

This 12,000 BTU mini split offers 19 SEER2 efficiency on a 230V circuit. It cools up to 750 square feet with rapid 30-second performance. The unit includes heat pump capabilities and four operational modes. Its indoor unit measures 34 by 21.4 inches. You get quiet operation down to 23 dB in sleep mode. This model suits spaces needing reliable climate control without complex app integration.

Pros

  • 19 SEER2 efficiency rating for energy savings
  • Cools 12,000 BTU in 30 seconds
  • Quiet 23 dB operation in sleep mode
  • Compact outdoor unit design

Cons

  • Requires 230V electrical connection
  • No smart Wi-Fi connectivity listed
  • Professional installation is mandatory

Good fit if

  • You have a 230V outlet available
  • You want quiet operation for bedrooms
  • You need rapid cooling performance

Skip if

  • You only have 115V outlets
  • You need smartphone app control
  • You want a DIY installation

Verdict: Garvee 12000 BTU 230V Mini Split delivers fast cooling and quiet operation for users with 230V power. It fits those prioritizing efficiency and noise levels over smart features.

Also great

Temprium 12000 BTU 230V Mini Split

Best for: 230V circuits needing smart, quiet cooling

Cooling Capacity
12000 BTU
Efficiency Rating
20 SEER2
Voltage
230V
Coverage Area
Up to 1250 sq. ft.
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa, Google Assistant

View on Amazon: Temprium 12000 BTU 230V Mini Split

The Temprium 12000 BTU Mini Split delivers 20 SEER2 efficiency on a 230V circuit. It cools and heats spaces up to 1250 sq. ft. with a DC inverter compressor. The unit includes WiFi app control, Alexa compatibility, and a backlit remote with seven modes. It operates quietly at 28 dB and features self-cleaning functions. This system suits you if you need reliable year-round climate control in a well-insulated room.

Pros

  • 20 SEER2 energy efficiency rating for lower power use
  • WiFi connectivity with Alexa and Google Assistant support
  • Quiet indoor operation at 28 dB noise level
  • Covers areas up to 1250 sq. ft.

Cons

  • Requires a 230V electrical circuit, not standard 115V
  • Heating performance drops at temperatures near 5°F
  • Indoor unit is 30 inches wide, requiring ample wall space

Good fit if

  • You have a dedicated 230V circuit available for installation
  • You want smart app control and voice assistant integration
  • You need quiet operation for a bedroom or office

Skip if

  • You only have standard 115V outlets and cannot install 230V
  • You need heating in very cold climates below 5°F
  • You have limited wall space for a 30-inch unit

Verdict: Temprium 12000 BTU 230V Mini Split fits you if you have 230V power and want efficient, smart climate control for a large room.

Best 22 seer2

Garvee 12k BTU 22 SEER2 Mini Split

Best for: 115V high-efficiency smart cooling

Cooling Capacity
12,000 BTU
Efficiency Rating
22 SEER2
Voltage
115V
Coverage Area
up to 750 sq. ft.
Heat Pump
Heat Pump
Smart Connectivity
WiFi, smart app

View on Amazon: Garvee 12k BTU 22 SEER2 Mini Split

This 12,000 BTU mini split offers 22 SEER2 efficiency on a standard 115V circuit. It covers up to 750 square feet with inverter technology that adjusts compressor speed to reduce cycling. The unit includes WiFi app control for remote management. It operates quietly at 23 dB in mute mode. This model suits medium to large rooms where high efficiency and smart connectivity matter.

Pros

  • 22 SEER2 efficiency rating
  • 12,000 BTU cooling capacity
  • 115V standard voltage
  • WiFi app control
  • 23 dB mute mode noise level

Cons

  • Requires professional installation
  • No mention of remote control included
  • Heavier build at 87.2 pounds

Good fit if

  • You need high SEER2 efficiency on a 115V circuit
  • You want app-based climate control
  • You are cooling a room up to 750 sq. ft.

Skip if

  • You prefer a 208-230V system for higher power
  • You need a unit under 9,000 BTU
  • You want a DIY-friendly installation without professional help

Verdict: Garvee 12k BTU 22 SEER2 Mini Split delivers top-tier efficiency for 115V setups. It fits buyers who prioritize smart app control and quiet operation in medium to large spaces.

Also great

YITAHOME 12000 BTU 115V Mini Split

Best for: Standard 115V homes needing smart control

Cooling Capacity
12000 BTU
Efficiency Rating
20 SEER2
Voltage
115V
Coverage Area
up to 750 sq. ft.
Heat Pump
Heat Pump
Smart Connectivity
WiFi

View on Amazon: YITAHOME 12000 BTU 115V Mini Split

This YITAHOME unit delivers 12,000 BTU of cooling and heating power at 20 SEER2 efficiency. It runs on standard 115V power, making it accessible for most homes without special electrical work. The system covers up to 750 square feet and includes WiFi connectivity for remote control. It operates quietly at 25 dB in sleep mode and handles temperatures from 5°F to 118°F. You get six operating modes and four fan speeds for precise comfort.

Pros

  • 20 SEER2 efficiency rating for energy savings
  • Standard 115V electrical connection
  • WiFi connectivity for mobile control
  • Quiet operation down to 25 dB
  • Wide operating temperature range (5°F to 118°F)

Cons

  • Lower efficiency than top competitors reaching 21-22 SEER2
  • Smaller cooling capacity compared to 18,000 BTU options
  • Heavier indoor unit at 70.5 pounds

Good fit if

  • You need a standard 115V outlet for installation
  • You want WiFi control for remote adjustments
  • You are cooling a space up to 750 sq. ft.

Skip if

  • You require the highest possible SEER2 rating
  • You need to cool a large area over 1,000 sq. ft.
  • You prefer a lighter unit for easier mounting

Verdict: YITAHOME 12000 BTU 115V Mini Split offers reliable performance with WiFi control and standard voltage. It suits buyers who prioritize accessible installation and smart features over maximum efficiency or raw cooling power.

Also great

GrowthWing 12000 BTU Mini Split

Best for: 115V homes needing smart control

Cooling Capacity
12,000 BTU
Efficiency Rating
20 SEER2
Coverage Area
Up to 750 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, App, Alexa
Voltage
115V

View on Amazon: GrowthWing 12000 BTU Mini Split

The GrowthWing 12000 BTU mini split delivers 20 SEER2 efficiency on a standard 115V circuit, making it suitable for rooms up to 750 square feet. It includes Wi-Fi connectivity for app and Alexa control, along with I FEEL sensing for targeted comfort. The unit operates quietly at 28dB and features 4D airflow. This heat pump system is designed for year-round use in spaces like bedrooms or garages.

Pros

  • 20 SEER2 energy efficiency rating
  • Standard 115V electrical connection
  • Wi-Fi, App, and Alexa smart control
  • Quiet 28dB indoor unit operation
  • I FEEL sensing for personalized comfort

Cons

  • Smaller 12000 BTU capacity compared to 18000 BTU competitors
  • Lower 20 SEER2 efficiency versus 21-23 SEER2 models
  • Heavier 72-pound unit weight

Good fit if

  • You need a standard 115V plug-in unit
  • You want smart app and voice control
  • You are cooling a room up to 750 sq ft

Skip if

  • You require higher 21+ SEER2 efficiency
  • You need an 18000 BTU unit for larger spaces
  • You prefer a lighter indoor unit

Verdict: GrowthWing 12000 BTU 20 SEER2 Mini Split fits users who need smart features and 115V compatibility for medium-sized rooms. It is a practical option for those prioritizing app control and quiet operation over maximum efficiency or higher cooling capacity.

Also great

LITHZEN 12000 BTU 230V Mini Split

Best for: 230V-powered rooms up to 600 sq. ft.

Cooling Capacity
12000 BTU
Efficiency Rating
18.1 SEER2
Voltage
208/230V
Coverage Area
up to 600 sq. ft.
Heat Pump
Heater
Smart Connectivity
WiFi, Alexa, Google Assistant

View on Amazon: LITHZEN 12000 BTU 230V Mini Split

This LITHZEN mini split delivers 12,000 BTU of cooling and heating for spaces up to 600 square feet. It operates on 208/230V power with an 18.1 SEER2 efficiency rating. The system includes WiFi connectivity for remote control via smartphone or voice assistants. It features a 23 dB noise level and self-cleaning functions. This unit suits users who need reliable climate control in moderately sized rooms.

Pros

  • 12,000 BTU cooling and heating capacity
  • 18.1 SEER2 energy efficiency rating
  • WiFi connectivity with Alexa and Google Assistant support
  • Quiet operation at 23 dB noise level

Cons

  • 18.1 SEER2 is lower than the 20-22 SEER2 ratings found in other options on this list
  • Requires 208/230V electrical connection, which may not be available in all standard residential outlets
  • Coverage area is limited to 600 square feet

Good fit if

  • You have a 208/230V electrical circuit available for installation
  • You need WiFi smart control features for remote management
  • You are cooling or heating a room up to 600 square feet

Skip if

  • You require a higher SEER2 rating than 18.1 for maximum energy savings
  • You only have standard 115V outlets available and cannot install 230V wiring
  • You need to cool a space larger than 600 square feet

Verdict: LITHZEN 12000 BTU 230V Mini Split provides solid 12,000 BTU performance with smart features for users with 230V power. It is a practical option for moderate-sized rooms where WiFi control is a priority, though less efficient than higher SEER2 competitors. Buyers should verify their electrical setup before purchasing.

Best 17 seer2

Tehanld 12000 BTU Mini Split

Best for: standard 115V installations needing cold weather heat

Cooling Capacity
12,000 BTU
Efficiency Rating
17 SEER2
Voltage
115V
Coverage Area
Up to 750 Sq.Ft
Heat Pump
Heater Pump
Dimensions
7.48 × 31.5 × 11.4 inches

View on Amazon: Tehanld 12000 BTU Mini Split

The Tehanld 12000 BTU Mini Split provides cooling and heating for spaces up to 750 square feet. It runs on 115V power and achieves 17 SEER2 efficiency. The unit uses R32 refrigerant and includes intelligent defrost technology for operation down to -4°F. You get five operation modes and four fan speeds. It ships with a 9.8 ft copper piping kit and UL certification.

Pros

  • 12,000 BTU cooling and heating capacity
  • 17 SEER2 energy efficiency rating
  • Operates reliably down to -4°F
  • Includes 9.8 ft copper piping kit
  • UL and DOE certified

Cons

  • 17 SEER2 is lower than competitors reaching 22 SEER2
  • 115V voltage limits usage compared to 208-230V models
  • Does not list WiFi or smart app control

Good fit if

  • You need a standard 115V unit for a 750 sq ft room
  • You want reliable heating in cold weather down to -4°F
  • You prefer a basic remote-controlled system without app features

Skip if

  • You require the highest efficiency ratings available in this guide
  • You need WiFi connectivity for remote monitoring
  • You have a 208-230V electrical circuit only

Verdict: Tehanld 12000 BTU Mini Split suits buyers who prioritize cold-weather heating reliability and standard 115V installation over maximum energy efficiency or smart features.

Also great

Uthfy 12000 BTU 115V Mini Split

Best for: Bedrooms needing quiet, 115V cooling

Cooling Capacity
12000 BTU
Efficiency Rating
19 SEER2
Voltage
115V
Coverage Area
Up to 750 sq. ft.
Heat Pump
Heat pump
Dimensions
11.9 × 32.3 × 8.23 inches

View on Amazon: Uthfy 12000 BTU 115V Mini Split

This Uthfy mini split offers 12,000 BTU cooling and heating for spaces up to 750 square feet. It runs on standard 115V power with a 19 SEER2 efficiency rating. The unit includes a remote control, 24-hour timer, and multiple fan speeds. You get quiet operation down to 26 dB in sleep mode. It also features auto maintenance and self-cleaning functions for easier upkeep.

Pros

  • 19 SEER2 efficiency rating for energy savings
  • 115V plug-in power for easy installation
  • Covers up to 750 square feet
  • Ultra-quiet 26 dB sleep mode operation
  • Auto self-cleaning and defrost features

Cons

  • 19 SEER2 is lower than the 20-21 SEER2 options on this list
  • No Wi-Fi or smart app connectivity listed
  • Heavier at 70.4 pounds than some competitors

Good fit if

  • You need a standard 115V unit for easy setup
  • You want quiet operation for a bedroom
  • You prefer manual remote control over app management

Skip if

  • You need Wi-Fi smart home integration
  • You want the highest possible SEER2 rating
  • You require a lighter indoor unit

Verdict: Uthfy 12000 BTU 115V Mini Split suits users who prioritize quiet operation and standard voltage over smart features. It delivers reliable comfort for medium-sized rooms without requiring complex wiring.

Specifications side by side

Spec Rellytech 18000 BTU 230V Mini Split YITAHOME 12000 BTU 115V Mini Split COSTWAY 12000 BTU 115V Mini Split COSTWAY 9000 BTU Mini Split 21 SEER2 Albott 9100 BTU 115V Mini Split ROVSUN 9000 BTU 20 SEER2 Mini Split Mountman 12000 BTU 230V Mini Split Garvee 12000 BTU 230V Mini Split Temprium 12000 BTU 230V Mini Split Garvee 12k BTU 22 SEER2 Mini Split YITAHOME 12000 BTU 115V Mini Split GrowthWing 12000 BTU Mini Split LITHZEN 12000 BTU 230V Mini Split Tehanld 12000 BTU Mini Split Uthfy 12000 BTU 115V Mini Split
Cooling Capacity 18,000 BTU 12,000 BTU 12000BTU 9000 BTU 9,100 BTU 9000 BTU 12,000 BTU 12,000 BTU 12000 BTU 12,000 BTU 12000 BTU 12,000 BTU 12000 BTU 12,000 BTU 12000 BTU
Efficiency Rating 19 SEER2 20 SEER2 20 SEER 21 SEER2 20.5 SEER2 20 SEER2, 19 SEER 19 SEER2 19 SEER2 20 SEER2 22 SEER2 20 SEER2 20 SEER2 18.1 SEER2 17 SEER2 19 SEER2
Voltage 208-230V not specified 115V 208/230V 115V 115V 208/230V 230V 230V 115V 115V not specified 208/230V 115V 115V
Coverage Area Up to 1,250 sq. ft. 750 sq ft not specified up to 450 sq.ft. not specified Up to 400 sq.ft. Up to 750 sq ft up to 750 sq ft Up to 1250 sq. ft. up to 750 sq. ft. up to 750 sq. ft. Up to 750 sq ft up to 600 sq. ft. Up to 750 Sq.Ft Up to 750 sq. ft.
Heat Pump Heat Pump Heat Pump 1 ton heat pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump Heater Heater Pump Heat pump
Smart Connectivity not specified WiFi, Alexa not specified Wi-Fi, app, Alexa, Google Assistant not specified Wi-Fi, App, Alexa, Google Assistant not specified not specified WiFi, Alexa, Google Assistant WiFi, smart app WiFi Wi-Fi, App, Alexa WiFi, Alexa, Google Assistant not specified not specified
Smart Control not specified Wi-Fi not specified Wi-Fi not specified Wi-Fi not specified not specified not specified Wi-Fi Wi-Fi Wi-Fi Wi-Fi not specified not specified
Dimensions 12.4 × 39.6 × 9.5 inches 7.9 × 31.2 × 11.5 inches 9 × 44.5 × 13 inches 7.48 × 31.9 × 12.1 inches 29.9 × 7.9 × 11.6 inches 7.99 × 31.9 × 11.5 inches 8.23 × 32.3 × 11.9 inches 34 × 21.4 × 13.4 inches 7.87 × 30 × 11.6 inches 32.3 × 13.9 × 25.4 inches 10.4 × 34 × 13.1 inches 7.8 × 31.9 × 11.5 inches 7.7 × 32.1 × 11.3 inches 7.48 × 31.5 × 11.4 inches 11.9 × 32.3 × 8.23 inches
Weight 112 pounds 22 pounds 68 pounds 19.8 pounds 151 pounds 70 pounds not specified 77.2 pounds 40.8 pounds 87.2 pounds 70.5 pounds 72 pounds 17.6 pounds 20.9 pounds 70.4 pounds
Size 18000BTU,230V,19 SEER2 not specified 12000BTU, 115V, 20 SEER not specified 20.5 SEER2, 9,000 BTU 115V 8.07"D x 31.92"W x 11.49"H 12000-208/230 12,000 BTU 230V 19 SEER2 12,000 BTU, 230V, 20 SEER2 not specified not specified not specified not specified 115V-12000BTU not specified
Color White White White White White White not specified White White White White White White White White
Model CE0-1 MAYIH4qu0k 10153-CYJV Blast Pro SAC011 RV09T1/20-I/RV09T1/20-O 12000BTU-230V splitAC-HD-parent SAC002-A-12KWH-US cF0-WNTI7GzS-N6DalMau-H8Wb9BK MAYIHhC07e HP12N 11062-FPCY 0745-S120-4 HY-DKT12-115

Trade-offs in the under $500 range

Units in this price bracket prioritize basic functionality over premium features. Most models rely on standard Wi-Fi for app control rather than advanced ecosystems. Efficiency ratings vary widely, from 17 to 22 SEER2, meaning you may sacrifice peak energy savings for lower upfront costs. Smart features are common, but advanced air quality sensors or multi-zone capabilities are absent. You also must check voltage requirements carefully, as many efficient units need 230V circuits instead of standard 115V outlets.

  • Voltage compatibility limits installation options for some efficient models
  • Efficiency ratings range significantly, affecting long-term energy costs
  • Smart controls rely on basic Wi-Fi without advanced automation
  • Single-zone design restricts cooling multiple distinct areas

How We Selected These Mini Splits

We sourced 15 mini splits from Amazon listings priced under $500. Our process starts by filtering for current availability. We then order the results by overall rating, weighted by review volume. Finally, we sort by how many of your key criteria the published specs meet. This ensures you see the most relevant options first.

All details come strictly from the specifications and feature lists on the product pages. We do not handle, test, or install any units. Prices and stock levels are shown live and refresh daily. A unit belongs here only while its current price stays within this range. The list changes as prices and availability shift.

How to choose the right one

  1. Check your electrical voltage

    Your home’s wiring determines which units fit. Standard 115V models plug into typical outlets, making installation easier for bedrooms or small offices. Units like the YITAHOME 12000 BTU Mini Split use this common voltage. If you have 230V circuits, you can access higher-capacity options like the Rellytech 18000 BTU model. These require dedicated lines but offer more power. Verify your breaker box before buying. Mismatched voltage causes installation delays or safety hazards. Stick to what your panel supports.

  2. Match BTU to room size

    BTU ratings indicate cooling power. Small rooms under 300 square feet often need 9000 BTU units, such as the COSTWAY 9000 BTU Mini Split. Larger spaces up to 600 square feet benefit from 12000 BTU models like the LITHZEN 12000 BTU Mini Split. Over-sizing wastes energy and causes humidity issues. Under-sizing leaves the room warm. Measure your floor area and ceiling height. Use the listed BTU numbers as your primary guide. Do not guess based on room type alone. Precise matching ensures consistent comfort and efficiency.

  3. Compare SEER2 efficiency ratings

    SEER2 measures energy efficiency over a typical season. Higher numbers mean lower electricity bills. The Garvee 12k BTU 22 SEER2 Mini Split leads in efficiency for 115V setups. The COSTWAY 9000 BTU Mini Split 21 SEER2 is another top choice. Lower-rated units like the Tehanld 12000 BTU Mini Split at 17 SEER2 cost less upfront but run pricier. Decide if you prioritize low initial cost or long-term savings. Check the rating on the spec sheet. This number directly impacts your monthly utility expenses.

  4. Verify Wi-Fi smart control

    Smart features allow remote management via phone apps. Models like the YITAHOME 12000 BTU 115V Mini Split include Wi-Fi for scheduling and monitoring. This is useful for adjusting temperatures before you arrive home. Some units, like the Garvee 9000 BTU 230V Mini Split, lack these features. If you want app control, check the attributes list. Look for explicit Wi-Fi mentions. Basic remotes work for manual adjustments. Smart connectivity adds convenience and potential energy savings through scheduled operation. Choose based on your tech habits.

  5. Assess indoor unit dimensions

    Wall space is limited in many rooms. Indoor unit width and height vary significantly. The Rellytech 18000 BTU 230V Mini Split is 39.6 inches wide, fitting large walls. Smaller units like the YITAHOME 12000 BTU 115V Mini Split are around 31 inches wide. Measure your wall space before mounting. Ensure clearance for airflow and service access. Check the depth and weight if you have specific bracket requirements. Proper sizing prevents visual clutter and ensures efficient air distribution. Compare the width and height specs for each candidate.

Frequently asked questions

Which mini split has the highest SEER2 rating?

The Garvee 12k BTU 22 SEER2 Mini Split holds the top efficiency spot. It pairs a 22 SEER2 rating with 115V power. This setup suits buyers who want smart app control and quiet operation in medium to large spaces. Higher SEER2 values mean lower energy use during cooling cycles.

Can I install these units on standard 110V outlets?

Many models here use 115V power, which fits standard household outlets. The YITAHOME 12000 BTU Mini Split and the Albott 9100 BTU 115V Mini Split are examples. These are practical for bedrooms or home offices where high BTU output is unnecessary. Always verify your circuit capacity before installation.

Which model is best for a large room?

The Rellytech 18000 BTU 230V Mini Split is designed for larger spaces. It offers strong heating and cooling with 19 SEER2 efficiency. This unit requires a 230V circuit, making it suitable for homes with dedicated power lines for higher capacity needs.

Do these mini splits include Wi-Fi controls?

Several models feature built-in Wi-Fi for smart control. The YITAHOME 12000 BTU Mini Split, the COSTWAY 9000 BTU Mini Split 21 SEER2, and the ROVSUN 9000 BTU 20 SEER2 Mini Split all include this feature. You can manage climate settings via an app on these specific units.

What is the smallest cooling capacity available?

The smallest capacity listed is 9000 BTU. The Garvee 9000 BTU 230V Mini Split and the COSTWAY 9000 BTU Mini Split 21 SEER2 fall into this category. These are ideal for moderate-sized rooms or spaces where extreme weather performance is less critical than air quality.

Which unit is best for cold weather heating?

The Tehanld 12000 BTU Mini Split is noted for cold-weather heating reliability. It uses standard 115V installation and covers up to 750 square feet. This model prioritizes heating performance in low temperatures over maximum energy efficiency or advanced smart features.

Are there options for 230V circuits?

Yes, several models require 230V power. The Rellytech 18000 BTU 230V Mini Split and the Garvee 12000 BTU 230V Mini Split are prominent examples. These units are suited for larger rooms or dedicated lines that can handle the higher voltage requirements for steady performance.

Which mini split is the most efficient for 115V power?

The Garvee 12k BTU 22 SEER2 Mini Split is the most efficient 115V option. It delivers top-tier efficiency for standard voltage setups. This unit fits buyers who prioritize smart app control and quiet operation in medium to large spaces while minimizing energy consumption.

See also