10 Best Ac Unit For Garage 2025 in the United States

The MRCOOL 24000 BTU ductless mini split air conditioner and heat pump is a versatile unit that cools and heats spaces up to about 1,050 square feet, making it a solid option for a garage that needs year-round temperature control. Its 24,000 BTU power is strong enough to handle larger garage areas, ensuring effective cooling in hot weather and heating in colder months. Being a ductless mini split means it’s easier to install compared to traditional central AC systems, with no need for ductwork, which is great if your garage lacks pre-installed vents. The noise level of 43 decibels is relatively quiet—comparable to a normal conversation—so it won’t be too disruptive if you’re spending time in the garage. It also has smart features like a timer and refrigerant leak detection, which help with maintenance and safety.

The Active Clean Technology and easy-to-clean filters improve air quality, something useful if your garage tends to get dusty or has fumes. However, its energy efficiency is marked with a 2-star BEE rating, which suggests it may not be the most economical choice in terms of electricity use over time. Also, it runs on 230 volts, so you need to confirm your garage’s electrical setup matches or can be adapted. While the installation is DIY-friendly, it still requires some care and possibly a professional if you’re unfamiliar with electrical or refrigeration work.

This unit fits well for someone looking to keep a medium to large garage comfortable throughout the year with a relatively quiet, easy-to-install system that includes both heating and cooling, but it is important to consider the energy consumption and electrical requirements.

The MRCOOL 36000 BTU ductless mini-split air conditioner and heat pump is a strong choice for cooling and heating garage spaces up to around 1,600 to 1,800 square feet. Its 36,000 BTU capacity means it can handle large areas effectively, making it suitable if your garage is sizable or you want reliable all-season comfort. This model operates on 230 volts with a 16 SEER rating and a 4-star energy efficiency, which indicates it can save on electricity costs while running quietly, an important factor if your garage is attached to your home or used for hobbies.

The unit is wall-mounted and split-system, which generally offers better performance and quieter operation compared to window units. Because it’s a ductless mini split, professional installation is recommended, so there will be an upfront cost and some complexity involved. Maintenance is straightforward with washable filters included. The system also comes with useful extras like remote control and a WiFi smart kit, letting you adjust temperature settings easily from a distance.

The installation process may be more involved than simpler plug-and-play units, and its price point could be higher due to its capacity and features. While it is powerful, it may be more than necessary for very small garages. If you need a versatile, energy-efficient solution that cools and heats well with modern conveniences and quiet operation, this MRCOOL unit is a solid option to consider.

The MRCOOL 36,000 BTU 5th Gen DIY mini split air conditioner and heat pump is a strong choice for cooling and heating a garage or similar space up to about 1,550 square feet. With 36,000 BTUs, it offers plenty of power to handle larger garages, and the included heating function makes it useful year-round. Its 18 SEER rating and 5-star efficiency suggest it runs economically, which helps keep electricity bills down. One notable advantage is its DIY-friendly installation with pre-charged line sets and no need for special tools, meaning you can set it up yourself in a few hours without professional help. The unit runs quietly at 46 decibels, so it won’t be disruptive while running in your garage or workspace.

Additional conveniences include smart controls compatible with Alexa and Google Assistant, remote control, sleep mode, and dehumidifier functions, adding comfort and ease of use. On the downside, the unit requires a 230-volt power source and weighs 180 pounds, which might require some planning for installation location and electrical setup. Also, while noise is low, 46 decibels is about as quiet as a normal conversation, so it’s not completely silent.

This model suits garage owners who want a powerful, efficient, and flexible HVAC solution without paying for professional installation. It balances good cooling and heating performance with user-friendly features designed to make climate control simple year-round.