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DIY mini-split brands compared: MRCOOL comes on top


When it comes to keeping your home comfortable, a ductless mini-split system is an excellent choice. With multiple brands on the market, it can be challenging to decide which one to choose. This article will compare the popular MRCOOL DIY series and Mitsubishi Electric mini-splits, showcasing why MRCOOL comes out on top.

What are Ductless Mini-Splits?

Ductless mini-splits are innovative cooling and heating systems that consist of an indoor unit (air handler) and an outdoor unit (condenser). These systems are efficient, quiet, and versatile, providing great air comfort without the need for extensive ductwork.


The MRCOOL DIY series is a range of user-friendly, easy-to-install mini-split systems that prioritize convenience and high air comfort.

Special Features

The MRCOOL DIY system offers great features such as pre-charged line sets, quick connectors for easy installation, and a limited lifetime compressor warranty. These systems also have low ambient cooling, making them suitable for colder climates.

Ease of Installation

One major obstacle homeowners face when installing a mini-split system is handling the electrical connections and drain lines. MRCOOL DIY series makes this process simple with their pre-charged line sets and quick connectors, eliminating the need for special tools or an HVAC technician. To see how easy it is to install a MRCOOL DIY mini-split system, even for those with no prior experience in installation, check out our comprehensive guide on how to install a MRCOOL Mini-Split System. This guide provides step-by-step instructions and helpful tips for a hassle-free installation process.

Smart Device Integration

MRCOOL mini-split systems can be controlled through a smartphone app, allowing you to adjust settings, monitor usage, and receive alerts. This level of convenience is made possible by the built-in internet connection and remote control options.

Mitsubishi Electric Mini-Splits

Mitsubishi Electric is another leading brand in the mini-split market, known for its reliable and efficient cooling systems.


Mitsubishi units offer various features, including heat pumps, remote control options, and energy star certification. Their systems are designed for maximum comfort and efficiency.


Mitsubishi mini-split systems require proper installation by a professional HVAC technician, which can be a significant expense for homeowners. This may pose a challenge for those looking for a DIY option.

Smart Device Integration

Mitsubishi Electric mini-splits can be connected to a smart device, allowing for remote control and monitoring. However, this feature often requires additional accessories and setup.

Comparing MRCOOL and Mitsubishi Mini-Splits

Cooling and Heating Capacity

Both MRCOOL and Mitsubishi mini-splits offer excellent cooling and heating performance. The choice between the two will depend on your specific needs and preferences.


MRCOOL offers a limited lifetime compressor warranty and a standard 5-year parts warranty, while Mitsubishi provides a 7-year compressor warranty and a 5-year parts warranty. The longer compressor warranty from MRCOOL gives it an edge over Mitsubishi.

Energy Efficiency

Both brands are Energy Star certified, ensuring efficient performance and lower energy consumption. However, individual models may have varying energy efficiency ratings, so it's crucial to compare specific models when making a decision.


MRCOOL DIY systems tend to be more affordable than Mitsubishi mini-splits, particularly when factoring in the cost of professional installation for Mitsubishi units. This makes MRCOOL a more budget-friendly option for homeowners.

Other Notable Brands

While MRCOOL and Mitsubishi are two leading brands in the mini-split market, there are other options to consider, such as Daikin, Fujitsu, and LG. Each brand has its own strengths and weaknesses, so it's essential to research and compare before making a decision.

Factors to Consider When Choosing a Mini-Split System

Square Footage

Consider the size of the area you want to cool or heat when choosing a mini-split system. Different models are designed to handle various square footage ranges, so ensure the system you choose is suitable for your space.


The ease of installation is a significant factor to consider, especially if you prefer a DIY option. MRCOOL's DIY series offers an easy installation process, while other brands like Mitsubishi may require professional help.

Energy Efficiency

An energy-efficient mini-split system will save you money in the long run. Look for Energy Star certified models and compare their energy efficiency ratings. A great example of an Energy Star certified MRCOOL DIY mini-split is the 18k BTU system, which provides efficient cooling and heating while keeping your energy bills low. Check out our post for more details on the New 4th Gen MRCOOL DIY Mini-Split: 18k BTU Energy Star to learn more about this system.


A good warranty is essential for peace of mind when investing in a mini-split system. Compare the warranty offerings of different brands to ensure you're getting the best coverage possible.


When comparing DIY mini-split brands, MRCOOL comes out on top due to its user-friendly installation process, competitive warranty, and overall affordability. While Mitsubishi Electric mini-splits are also high-quality systems, the additional installation costs and potentially higher price point may make them less attractive for homeowners looking for a DIY option.


Q: Do I need an HVAC technician to install a MRCOOL DIY mini-split system?

A: No, MRCOOL DIY systems are designed for easy installation without the need for a professional technician.

Q: How do I maintain my mini-split system?

A: Regular maintenance includes cleaning the air filters, checking the outdoor condenser for debris, and ensuring the drain lines are clear.

Q: Can I use a mini-split system for both cooling and heating?

A: Yes, many mini-split systems, including MRCOOL and Mitsubishi units, have heat pump technology for both cooling and heating.

Q: Are mini-split systems energy-efficient?

A: Mini-split systems are generally energy-efficient, with many models being Energy Star certified. Check the specific model's energy efficiency rating for more information.

Q: What is the difference between MRCOOL DIY series and other mini-split systems?

A: The primary difference is the ease of installation. MRCOOL DIY systems come with pre-charged line sets and quick connectors, allowing for simple installation without the need for special tools or professional help.

Q: How does an innovative ductless system like MRCOOL Mini-Split improve my home's cooling efficiency?

A: Innovative ductless systems, such as MRCOOL mini-splits, eliminate the need for extensive ductwork, which can result in energy loss. By directly delivering conditioned air to the desired space, these systems improve energy efficiency and overall home comfort.

Q: What improvements can I expect from the 4th generation MRCOOL DIY mini-split systems?

A: The 4th generation MRCOOL DIY systems come with enhanced features such as an improved smartphone app, higher energy efficiency, and compatibility with both Amazon Alexa and Google Assistant for voice control, providing an even better user experience.

Q: What is the MRCOOL Care Kit Program, and how does it benefit me as a customer?

A: The MRCOOL Care Kit Program is an extended service plan that provides additional support for your mini-split system. By enrolling in the program, you can receive benefits such as priority customer service, regular maintenance reminders, and exclusive discounts on replacement parts and accessories, ensuring your system remains in optimal condition.

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