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10 Best Mini Split For Garage 2025 in the United States

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Our Top Picks

#1

Winner

Senville LETO Series Mini Split Air Conditioner Heat Pump, 24000 BTU 208/230V, Inverter, Works with Alexa, SEER2 18, 2 Ton, White

Rating
10.0
Chosen by1,439
BTU Capacity
SEER Rating
Noise Level

Most important from
7154 reviews

BTU Capacity
The unit delivers excellent heating and cooling performance, maintaining comfort year-round even in extreme temperatures from 7°F to 97°F.
SEER Rating
Energy efficiency is noticeable, with the system operating effectively without causing a significant increase in the electricity bill.
Noise Level
The system’s quiet operation and strong cooling output, including ice-cold air when in cooling mode, enhance the overall user experience.
Installation and Maintenance
Installation is a complex process requiring specialized tools and careful pressure testing to ensure leak-free refrigerant lines.
Additional Features
The remote control and Wi-Fi app integration provide convenient temperature adjustments, favored especially by multiple users in different rooms.

The Senville LETO Series Mini Split is a solid choice for cooling and heating a garage space of up to about 1,250 square feet, thanks to its powerful 24,500 BTU (2-ton) capacity. Its SEER rating of 17 means it uses electricity efficiently, helping keep energy costs reasonable, which is important for year-round garage use. It also functions as a heat pump working in temperatures as low as 5°F, making it useful during cold winters. Noise is kept low at just 34 dB, so it won’t be disruptive if you’re working in or near your garage.

The system is Alexa-enabled, allowing convenient control through voice commands or an app—handy if you want to adjust settings without physically interacting with the unit. The 4-in-1 design covers air conditioning, heating, dehumidifying, and fan modes, which adds flexibility to maintain comfort and air quality.

Installation requires professional help and comes with a fairly complete kit including a 16-foot line set and remote, but labor costs are not included in the warranty. The warranty offers 5 years for parts and compressor, which is reassuring, though labor costs are excluded. While the unit is made in China, it is well-suited for garage owners wanting efficient, quiet climate control with smart features, provided they’re comfortable with professional installation and managing warranty coverage.

Rating
10.0
Chosen by1,439
BTU Capacity
SEER Rating
Noise Level

Most important from
7154 reviews

BTU Capacity
The unit delivers excellent heating and cooling performance, maintaining comfort year-round even in extreme temperatures from 7°F to 97°F.
SEER Rating
Energy efficiency is noticeable, with the system operating effectively without causing a significant increase in the electricity bill.
Noise Level
The system’s quiet operation and strong cooling output, including ice-cold air when in cooling mode, enhance the overall user experience.
Installation and Maintenance
Installation is a complex process requiring specialized tools and careful pressure testing to ensure leak-free refrigerant lines.
Additional Features
The remote control and Wi-Fi app integration provide convenient temperature adjustments, favored especially by multiple users in different rooms.
#2

Senville LETO Series Mini Split Air Conditioner Heat Pump, 18000 BTU 208/230V, Inverter, Works with Alexa, SEER2 19, 1.5 Ton, White

Rating
10.0
Heating Capability (HSPF)
Noise Level
Installation and Maintenance

Most important from
7154 reviews

Heating Capability (HSPF)
This unit heats and cools efficiently, maintaining comfortable temperatures year-round with very little impact on the power bill.
Noise Level
The unit is impressively quiet, both indoors and outdoors, making it suitable for work environments where noise is a concern.
Installation and Maintenance
Installation can be challenging as a DIY project; it's crucial to have the proper tools and knowledge, especially for tasks like pressure testing and wiring.
Additional Features
Alexa integration is a standout feature, allowing for effortless control via voice commands or smartphone, enhancing overall convenience.

The Senville LETO Series Mini Split Air Conditioner is a solid choice for those looking to heat or cool their garage or any other space up to 1,000 square feet. With an 18,000 BTU capacity and a SEER rating of 19, this unit is energy-efficient, which can help lower your energy costs. Its inverter technology ensures quiet operation, producing noise levels as low as 30 dB, making it suitable for areas where noise can be an issue.

One of the standout features of this model is its 4-in-1 functionality. It not only provides cooling and heating but also acts as a dehumidifier and a fan, giving you versatility throughout the year. The ability to integrate with Alexa is a great bonus for those who enjoy smart home technology, allowing for easy control from your phone or voice commands.

Installation comes with a complete package that includes necessary components, making it easier for a professional to set up. However, it’s important to note that professional installation is required, which could add to your upfront costs. Additionally, the unit does not have Energy Star compliance, which might be a consideration if you're focused on eco-friendliness. While the 5-year warranty on parts and compressor is reassuring, labor is not covered, which can lead to additional expenses if repairs are needed after installation. This mini-split air conditioner is a stylish, efficient option for anyone needing a reliable heating and cooling solution for their garage or any medium-sized space. Just be prepared for the installation costs and consider your needs regarding energy certifications.

Rating
10.0
Heating Capability (HSPF)
Noise Level
Installation and Maintenance

Most important from
7154 reviews

Heating Capability (HSPF)
This unit heats and cools efficiently, maintaining comfortable temperatures year-round with very little impact on the power bill.
Noise Level
The unit is impressively quiet, both indoors and outdoors, making it suitable for work environments where noise is a concern.
Installation and Maintenance
Installation can be challenging as a DIY project; it's crucial to have the proper tools and knowledge, especially for tasks like pressure testing and wiring.
Additional Features
Alexa integration is a standout feature, allowing for effortless control via voice commands or smartphone, enhancing overall convenience.
#3

Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with Alexa, SEER2 20.8, 1 Ton, White

Rating
9.8
BTU Capacity
SEER Rating
Noise Level

Most important from
7154 reviews

BTU Capacity
The unit delivers excellent heating and cooling performance, keeping spaces comfortable year-round even in temperatures ranging from 7° to 97°F.
SEER Rating
Energy efficiency is impressive, with minimal impact on power bills, enabling significant savings by conditioning only the needed space rather than an entire home.
Noise Level
The mini split operates exceptionally quietly, both indoors and outdoors, making it ideal for workspaces where noise is a concern.
Installation and Maintenance
Installation requires careful attention and specialized tools, especially for line set flaring and pressure testing, making professional help advisable unless well-prepared for a challenging DIY.
Additional Features
Alexa compatibility adds notable convenience, allowing voice and app control that integrates seamlessly with smart home setups after a simple additional USB kit installation.

The Senville LETO Series Mini Split is a solid choice for heating and cooling a garage, thanks to its 12,000 BTU (1 ton) capacity, which suits small to medium spaces well. With a high SEER rating of 20.8, it’s energy efficient, helping keep electricity costs lower when running. It also doubles as a heat pump capable of warming your space down to about 5°F (-15°C), which is helpful in colder climates. The unit includes a versatile 4-in-1 function—cooling, heating, dehumidifying, and fan modes—giving you year-round comfort.

A standout feature is its Alexa compatibility, allowing you to control the system by voice or app, adding convenience. Installation comes with everything needed, but it requires professional setup, and the included line set supports up to 25 feet, so consider the distance from your outdoor condenser to the indoor unit. Mini splits generally run quietly, making it unlikely to disturb your garage workspace. The 5-year warranty on parts and compressor shows confidence in durability, though labor costs for installation aren’t covered.

One downside is that it’s not Energy Star certified, which might concern those seeking the strictest energy efficiency standards. This model balances strong performance and smart features, making it a practical option for someone looking to keep their garage comfortable year-round without breaking the bank.

Rating
9.8
BTU Capacity
SEER Rating
Noise Level

Most important from
7154 reviews

BTU Capacity
The unit delivers excellent heating and cooling performance, keeping spaces comfortable year-round even in temperatures ranging from 7° to 97°F.
SEER Rating
Energy efficiency is impressive, with minimal impact on power bills, enabling significant savings by conditioning only the needed space rather than an entire home.
Noise Level
The mini split operates exceptionally quietly, both indoors and outdoors, making it ideal for workspaces where noise is a concern.
Installation and Maintenance
Installation requires careful attention and specialized tools, especially for line set flaring and pressure testing, making professional help advisable unless well-prepared for a challenging DIY.
Additional Features
Alexa compatibility adds notable convenience, allowing voice and app control that integrates seamlessly with smart home setups after a simple additional USB kit installation.

Buying Guide for the Best Mini Split For Garage

Choosing the right mini-split system for your garage can make a significant difference in comfort and energy efficiency. Mini-splits are a great option for garages because they provide both heating and cooling without the need for extensive ductwork. To find the best fit for your needs, it's important to understand the key specifications and how they relate to your specific situation. Here are the main factors to consider when selecting a mini-split system for your garage.
BTU CapacityBTU (British Thermal Unit) capacity measures the amount of heat a unit can remove or add to a space per hour. This is crucial because it determines how effectively the mini-split can heat or cool your garage. For a small garage (up to 300 sq. ft.), a unit with 9,000-12,000 BTUs might be sufficient. For a medium garage (300-500 sq. ft.), look for 12,000-18,000 BTUs. Larger garages (500-1,000 sq. ft.) may require 18,000-24,000 BTUs. To pick the right one, consider the size of your garage, insulation quality, and local climate.
SEER RatingSEER (Seasonal Energy Efficiency Ratio) rating indicates the energy efficiency of the mini-split system. A higher SEER rating means better energy efficiency, which can lead to lower electricity bills. SEER ratings typically range from 13 to 25. For moderate climates, a SEER rating of 16-18 is usually sufficient. In hotter climates, a higher SEER rating (20+) can be more cost-effective in the long run. Choose a SEER rating based on your local climate and how often you plan to use the system.
Heating Capability (HSPF)HSPF (Heating Seasonal Performance Factor) measures the efficiency of the heating function of the mini-split. A higher HSPF rating means better heating efficiency. HSPF ratings generally range from 8 to 13. If you live in a colder climate and plan to use the mini-split for heating, look for a unit with an HSPF rating of 10 or higher. For milder climates, an HSPF rating of 8-9 should be adequate.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the unit will be when operating. This is important if you plan to spend a lot of time in your garage or if it's attached to your home. Mini-splits typically range from 19 dB (very quiet) to 60 dB (moderate noise). For a quieter environment, look for units with noise levels below 30 dB. If noise is not a major concern, units up to 50 dB can be acceptable.
Installation and MaintenanceProper installation and regular maintenance are crucial for the efficient operation of a mini-split system. Some units are easier to install and maintain than others. Look for systems that come with clear installation instructions and consider hiring a professional for installation to ensure optimal performance. Additionally, check if the unit has easily accessible filters and components for routine maintenance. If you prefer a low-maintenance option, choose a unit with features like self-cleaning functions.
Additional FeaturesModern mini-split systems come with various additional features that can enhance convenience and comfort. These may include remote control, programmable timers, Wi-Fi connectivity, and smart home integration. Consider which features are important to you. For example, if you want to control the system remotely, look for units with Wi-Fi capabilities. If you prefer to set it and forget it, a programmable timer can be very useful.

FAQ