Best 12000 Btu Split Air Conditioner

Peter | 27-12-2025

Navigating the many Best 12000 Btu Split Air Conditioner options on the market – from major brands like OYLUS,Senville,COSTWAY,YITAHOME,Garvee to lesser-known names – can feel overwhelming. But we’re here to help simplify your search for the best products.

After extensive research testing hundreds of Best 12000 Btu Split Air Conditioner, we’ve selected the top contenders. Our number one recommendation is OYLUS Best 12000 Btu Split Air Conditioner based on its stellar performance and quality. Below you’ll find more of our top-rated picks for the best Best 12000 Btu Split Air Conditioner currently available.

Be sure to consult our handy buying guide as well for expert tips on choosing the right Best 12000 Btu Split Air Conditioner to suit your individual needs. It has all the crucial information you need to make an informed purchasing decision. With our guidance backing your choice, finding your perfect match will be smooth sailing!

Editor's Choice
Oylus Mini Split Ac/Heating System - 12000 BTU Ductless Mini Split Air Conditioner with Heat Pump,
Oylus Mini Split Ac/Heating System - 12000 BTU Ductless Mini Split Air Conditioner with Heat Pump,
Premium Pick
Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with
Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with
Budget Pick
COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit
COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit

Top 10 Best 12000 Btu Split Air Conditioner

We researched and compared the top products in the Best 12000 Btu Split Air Conditioner category to provide you with these recommendations.

1. Oylus Mini Split Ac/Heating System - 12000 BTU Ductless Mini Split Air Conditioner with Heat Pump,

  • Efficient Cooling & Heating - Stay comfortable all year round with 12,000 BTU cooling and 12,500 BTU heating. The mini split AC unit is perfect for spaces up to 750 square feet, easily adjusting temperatures from 61F (16C) to 88F (31C). The advanced heat pump and technology inverter functionality enhances energy efficiency, ensuring you get the most out of your unit while maintaining the ideal temperature in every season.
  • Energy-Saving Comfort - Enjoy year-round comfort with this split air conditioner, featuring SEER2 19 cooling efficiency and HSPF2 8.5 heating performance. It cuts energy use by up to 36% compared to traditional models, making it both eco-friendly and efficient. The ECO mode adjusts performance to reduce energy consumption, helping you stay comfortable while supporting a greener lifestyle.
  • Effortless Smart Control - Easily adjust your room's climate with the included remote control for temperature, fan speed, and mode, all without getting up. The 24-hour timer lets you set off times to fit your schedule. The clear LED display shows the status and can be turned off at night to avoid disruption. Enjoy a hassle-free experience with this mini split AC/heating system.
  • Multiple Working Modes - This mini split AC/heating system brings ultimate flexibility with cooling, heating, and fan modes. Choose from four fan speedshigh, medium, low, or autoto create the perfect breeze. The up-and-down air swing ensures cool or warm air is evenly spread across your room, eliminating the discomfort of direct airflow. Plus, the dehumidifying function keeps the air fresh, dry, and comfortable.
  • Energy-Saving Comfort - Enjoy year-round comfort with this split air conditioner, featuring SEER2 19 cooling efficiency and HSPF2 8.5 heating performance. It cuts energy use by up to 36% compared to traditional models, making it both eco-friendly and efficient. The ECO mode adjusts performance to reduce energy consumption, helping you stay comfortable while supporting a greener lifestyle.

2. Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with

Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with
9.5

Senville

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  • Alexa Enabled Mini Split AC/Heating System: Integrate with voice control or app, allowing you to adjust your mini split air conditioner from anywhere. Set routines for temperature changes.
  • Versatile 4-in-1 Mini Split: All-season solution with air conditioning, heat pump (functional up to 5F/-15C), dehumidifier, fan, and turbo function. Includes a DC Inverter that's UL Listed, AHRI Certified, and works with Alexa.
  • Stylish & Functional Mini Split AC: Suitable for both home and business. Provides performance without compromising aesthetics. Ideal for bedrooms, living areas, stores, eateries, and warehouses.
  • Installation Package Included: Includes indoor air handler, outdoor condenser, remote control, and installation kit with a 16ft. line set and communication wire. Pre-loaded with refrigerant for up to 25 ft. Note: Professional installation required.
  • 5 Year Manufacturer's Warranty: Includes 5 years on parts replacement and 5 years on the compressor. Senville offers complimentary technical assistance. Labor not included.

3. COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit

COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit
9.1

Costway

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  • [Energy Efficient Cooling & Heating:]Equipped with a high power compressor and 1 ton heat pump, this AHRI Certified pre-charged ac unit allows you to enjoy the convenience of cooling in summer and warming in winter. Besides, with an innovative inverter technology, the air conditioner changes the power supply frequency without frequently turning the compressor on and off, so as to reduce power consumption and prolong the service life of the equipment.
  • [5 Modes for All-Year Comfort:]This 12000 BTU split-system AC unit has 5 working modes for you to choose from: auto, cool, dry, heat and fan mode. In addition, this split air conditioner also comes with 4 available fan speeds (low/medium/high/auto), sleep mode, ECO mode, iFEEL & turbo function to meet various needs.
  • [Easy Control & Quiet Operation:]The handy remote control enables you to control this mini split AC unit from your comfortable bed or sofa conveniently. The smart 0.5-24 hour timer and low-noise operation ensure a peaceful sleep time. What's more, the display screen on the remote control will be turned off automatically when there is no operation within 10s, which will not disturb your sleep.
  • [Self Cleaning & Auto Defrost:]Designed with a self-cleaning function at high temperature of 134.6 and a washable filter, this split air conditioner can automatically clean its interior and keep the air in your home fresh and clean. Moreover, the outdoor unit features an auto-defrost function to avoid damage and improve energy efficiency.
  • COSTWAY's superior quality and design are backed by an industry-leading manufacturer's warranty. This warranty covers 5 years of parts replacement and 8 years of compressor coverage, ensuring customers can rely on our products for years to come. In addition to this, the installation of this equipment should be done only by a Licensed HVAC Installer.

4. YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 20 SEER2 115V Inverter

YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 20 SEER2 115V Inverter
8.9

Yitahome

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  • Energy Efficient Cooling & Heating: The mini split air conditioner is equipped with a high-power compressor and heat pump; Innovative inverter technology ensures optimal performance with 25% energy savings; Covers 750 square feet, ideal for bedrooms, living rooms, garages, RVs, basements, commercial applications, and more; Our mini split AC is ETL and AHRI certified, guaranteeing reliability and energy efficiency
  • Five Modes: YITAHOME 12000 btu mini split air conditioner and heater units offer five modes (auto/cool/dry/heat/fan); WiFi-enabled and Alexa-compatible; Automatic defrosting, self-diagnosis/cleaning, iFEEL mode, 24-hour timer, sleep mode, energy-saving mode, "HEALTH" mode (negative ions, electrostatic dust removal, and PM2.5 removal)
  • Silent Performance: The ductless air conditioner operates quietly, creating minimal noise during operation; The remote control allows you to set the temperature between 60 and 90; With noise levels below 41 decibels, you can enjoy a tranquil and undisturbed environment while benefiting from the efficient cooling and heating capabilities of our system
  • All-Weather Response: The mini split ac/heating system is designed to perform in various environments, including in temperatures as low as 5F and as high as 118F; Providing optimal performance in every season, reaching a maximum airflow distance of 50 feet, creating a 4D air circulation within the room
  • Installation Package: Our ac mini split system comes with an indoor unit, outdoor unit, multifunctional remote control, and comprehensive installation kit(Excluding shut off valves housing and side protection grille); While the air filter is washable and easy to clean; The installation of this system should be done only by licensed HVAC installers. Note: Ships in 2 packages, may arrive separately

5. COSTWAY 12,000 BTU Mini Split Air Conditioner, with Heat Pump, Energy Star, 21 SEER2 Inverter, 24H

COSTWAY 12,000 BTU Mini Split Air Conditioner, with Heat Pump, Energy Star, 21 SEER2 Inverter, 24H
8.7

Costway

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  • [4-in-1 Design for Year-Round Comfort: ]Experience year-round comfort with our 4-in-1 mini split AC unit featuring cooling, dehumidification, heating, and fan modes. It also comes equipped with practical functions such as / temperature display, turbo mode, sleep mode, and a 24-hour timer. Enjoy efficient cooling and heating performances with an adjustable temperature range of 60-90 and a powerful 353 CFM 4D air flow, making it perfect for both home and commercial use.
  • [Powerful Output & Premium Compressor: ]Our mini split air conditioner boasts a cooling capacity of 12,000 BTU, a heating capacity of 12,300 BTU, and a 1-ton heat pump, providing wide coverage of up to 750 sq.ft. The outdoor unit is built to withstand extreme weather conditions, with a maximum operating temperature range from 14 to 122, ensuring stable performance even in harsh environments.
  • [Innovative Inverter Technology: ]Experience the benefits of our innovative inverter technology, which adjusts the compressor speed to maintain the set temperature without frequent cycling, resulting in lower energy costs and consistent cooling. With an impressive 21 SEER2 rating and a 10 HSPF2 rating, this unit is designed to be highly energy-efficient. Additionally, it is ETL approved and AHRI certified for your peace of mind. GWP of air conditioning refrigerants is 675.
  • [Built-in Self-Cleaning Function: ]Simplify regular cleaning and protect your family's respiratory health with the built-in self-cleaning function, operating at 135. The process includes condensation, frosting, melting, sterilization, washing, and ventilation. The filters are also easily removable and washable under water for added convenience.
  • [Whats Included: ]The package includes indoor and outdoor units, a remote control, and an installation kit with a 13 ft copper piping set and communication wire. The remote control, with an effective control distance of 26 ft, provides full control of the AC unit and comes equipped with a child lock for extra security.
  • COSTWAY's superior quality and design are backed by an industry-leading manufacturer's warranty. This warranty covers 5 years of parts replacement and 8 years of compressor coverage, ensuring customers can rely on our products for years to come. In addition to this, the installation of this equipment should be done only by a Licensed HVAC Installer.
  • TipsPre-charged with the advanced R32 refrigerant, our mini split stands as the premier eco-conscious option. In contrast, competitors rely on outdated refrigerants, which pose greater harm to the environment. Should the need arise to supplement refrigerant levels, kindly inquire about the accessibility of R32 at your nearby vendor.

6. 12000 BTU Mini Split Air Conditioner,19 SEER2

  • [Year-Round 4-in-1 Comfort] Garvees ultra-compact mini-split blasts out 12,000 BTU of rapid cooling in just 30 seconds and 12,500 BTU of turbo-heating in 60 seconds, perfectly conditioning spaces up to 750 sq ft within a 6090 F comfort range. Seamlessly switch between Cooling, Heating, Dry, and Fan-Only modes with 4-way swing for uniform air distribution

7. Confortotal 12000 BTU Mini Split Air Conditioner and Heat Pump 110V Ductless,1 ton,with WIFI

Confortotal 12000 BTU Mini Split Air Conditioner and Heat Pump 110V Ductless,1 ton,with WIFI
8.3

Generic

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  • Confortotal mini split with wifi compatible with Alexa & Google
  • 12000btu ductless mini split air conditioner and heat pump 1 ton and can cool or heat up to 750 Sq Ft
  • Precharged Compressor unit easy to install

8. GarveeTech 12000 BTU Mini Split Air Conditioner,22 SEER2 Ductless Inverter AC w/ 115V, Cool Up to

GarveeTech 12000 BTU Mini Split Air Conditioner,22 SEER2 Ductless Inverter AC w/ 115V, Cool Up to
8

Garveetech

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  • [Year-Round 4-in-1 Comfort] GarveeTechs ultra-compact mini-split blasts out 12,000 BTU of rapid cooling in just 30 seconds and 12,300 BTU of turbo-heating in 60 seconds, perfectly conditioning spaces up to 750 sq ft within a 6090 F comfort range. Seamlessly switch between Cooling, Heating, Dry, and Fan-Only modes with 4-way swing for uniform air distribution
  • [Precision Climate Control & Energy Savings] An AI-driven vector inverter holds your setpoint to 0.1 C (0.18 F) at an ultra-low 1 Hz frequency, cutting energy use by over 25%. ETL and AHRI certified, it boasts a 22 SEER2 rating and outperforms conventional units by more than 34%
  • [Smart Connectivity & Hands-Free Operation] Built-in Wi-Fi 2.0 lets you power on/off, change modes, and program schedules via our app. Works with Alexa and Google Assistant for voice control. The full-function remote operates up to 26 ft away
  • [Whisper-Quiet Performance] Advanced torque-compensation algorithms and dual-layer acoustic insulation keep noise between 41 dB in Turbo mode and as low as 23 dB in Sleep modeideal for bedrooms, nurseries, and home offices
  • [Space-Saving Installation & Serviceability] The outdoor unit is 23% smaller than standard models, fitting tight balconies or rooftops with reduced crane requirements. Professional installation is required for compliance and optimal performance (Installation brackets not included)
  • [5-Year Warranty & Dedicated Support] Ships in two packages; may arrive separately. Backed by a 5-year manufacturers warranty covering shipping damage, normal-use part failures, and any functional defects. For installation guidance, troubleshooting, or replacement parts, contact our customer service team first to avoid unnecessary third-party fees. Were here to helpanytime

9. Rellytech 12000 BTU Mini Split Ac/Heating System, 19 SEER2 115V Air Conditioner Inverter Heating and

Rellytech 12000 BTU Mini Split Ac/Heating System, 19 SEER2 115V Air Conditioner Inverter Heating and
7.9

Rellytech

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  • Powerful 12,000 BTU Cooling & Heating- This mini split AC/heating system delivers 12,000 BTU cooling and 12,500 BTU heating, covering up to 750 sq. ft. With a temperature range from 61 to 88, it provides rapid and consistent temperature control, making it perfect for bedrooms, living rooms, offices, and more.
  • Energy Efficient & Eco-Friendly- With a 19 SEER2 rating and HSPF2 8.5, this split-system air conditioner reduces energy costs while maintaining strong performance. The greener refrigerant boosts efficiency and lowers environmental impact, offering a sustainable cooling and heating solution.
  • 4 Modes & Smart ECO Function- This 12000 BTU mini split AC/heating system features cooling/heating/fan/ dehumidification modes for year-round comfort. The ECO mode optimizes energy use for both cooling and heating, ensuring you stay comfortable without wasting energy. It keeps you cozy and your bills low.
  • Sleep-Friendly & Thoughtful Design- Operating at just 42dB, this split-system air conditioner ensures peaceful nights. Sleep Mode gradually adjusts the temperature for comfort, while Silent Mode disables beeping from the remote control. The 24-hour timer and LED-off function further reduce disturbances.
  • Complete Mini Split System Includes indoor air handler, outdoor condenser, and a 9ft. line set for a comprehensive installation. (Professional installation requiredthis is NOT a DIY mini split system.)
  • Customizable Airflow & Wide Coverage- The AC split unit includes 4 fan speeds (high/medium/low/Auto) and a 90vertical swing. Whether you're relaxing in bed or hosting a gathering, you can adjust the fan settings to maintain the perfect comfort level throughout your space.
  • Effortless Control & Simple Maintenance- Equipped with a convenient remote control, this mini split AC/heating system allows for easy adjustments from anywhere in the room. LED display provides a clear view of settings, while the removable, washable air filter keeps the air fresh, promoting a healthier living space.

10. DELLA Vario Series 12000 BTU Mini Split Air Conditioner Work with Alexa with 1 Ton Pre-Charged Heat

  • [ENERGY EFFICIENT COOLING] This 12000 BTU/h, 23 SEER2, 208-230V, 9.5 HSPF, ETL Listed, AHRI Certified pre-charged air conditioner and heater unit features a ductless mini split inverter plus system with a heat pump (up to -4/-20) and dehumidification.
  • [AUTOMATIC SYSTEM] This air conditioner is designed with several smart settings that make it easy to use: auto defrost, self-diagnosis/cleaning, I feel mode, dehumidifying, 24 hour timer, sleep mode, eco energy saving mode, multiple fan speeds and intelligent compressor pre-heating. Maximum Fuse Size is 15A.
  • [SMART SENSOR] The unit will sense room temperature at the remote control, instead of at the indoor unit during cooling mode. It then adjusts airflow and temperature accordingly, resuling in the ultimate in personal comfort control and energy savings.
  • [AMPLE COVERAGE] This unit provides cooling and heating for up to 550 square feet and is able to work in environments as low as -4 degrees Fahrenheit. Full installation kit 16.4 ft included (Standard size 1/4" & 3/8" outer dimension copper pipes). The length for drain pipe is 78.7".
  • [QUIET OPERATION & INSTALLATION] This air conditioner is ultra silent at only 28 dBa. The unit provides equal airflow in every part of your room and can adjust to 60-90 degrees Fahrenheit to suit your comforts in just a few minutes.Line-set vacuuming is required during installation. Any alteration of line-set length requires adjusting freon levels.This system mandates professional installation - it's not a DIY mini split AC.

Peter

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