Top 5 DIY Mini Split AC Systems of 2024

In 2024, the home climate control scene is buzzing with excitement over efficient, budget-friendly, and simple-to-install DIY Mini Split AC systems. As DIY solutions and energy-saving technologies grow more popular, we've rounded up the top five mini split systems that stand out this year. This guide offers a snapshot of the most innovative and user-friendly mini split AC systems, perfect for DIY enthusiasts and homeowners who are keen on conserving energy.

#1 - MRCOOL DIY 4th Gen: Proudly an American Brand

Overall Ratings: Rated 4.8 stars. HVAC Technician's Rate: 9.5/10, Energy Efficiency Expert's Rate: 9.6/10, Property Owners' Satisfaction Rate: 97%.

Key Features: MRCOOL DIY 4th Gen Mini Split AC systems are celebrated for their straightforward installation and energy-efficient performance. They come with a pre-charged line set, which means no need for professional installation. Plus, you can manage the system remotely using a smartphone app or voice commands, including Google Assistant or Amazon Alexa.

Unique Selling Points: The MRCOOL DIY 4th Gen distinguishes itself with options suitable for various room sizes and a limited lifetime warranty on the condenser. It's also America's only true DIY HVAC system with pre-charged lines. These systems are available from authorized dealers, ensuring top-notch customer support.

Pros and Cons:

Pros

✅ Straightforward installation with the new DIYPRO™ MC cable.
✅ Energy Star rated with a SEER of up to 22, reducing energy bills.
✅ Integrated smart technology.
✅ Individual control of up to 5 zones, with systems up to 48K BTU.
✅ Includes a pre-charged line set.
✅ Lifetime warranty on the condenser, best-in-industry coverage.
✅ Quiet operation.
✅ Customer-focused company with 24/7 live chat and phone support.
✅ Variety of size options for different spaces.

Cons

❌ High demand might lead to quick sell-outs.
❌ Regular maintenance needed, like cleaning air filters and the outdoor unit.
❌ Heating may be less effective in extremely cold climates compared to traditional systems.

Verdict: With its superior energy efficiency, user-friendly smart features, and easy installation, the MRCOOL DIY 4th Gen mini split system comes highly recommended for 2024. Despite a few minor drawbacks, it offers excellent value and adaptability, making it a brilliant choice for most homeowners.

#2 - Daikin Mini Split AC: Unmatched Quality and Reliability from Japan

Overall Ratings: Rated 4.3 stars, HVAC Technician's Rate: 8.8/10, Energy Efficiency Expert's Rate: 8.5/10, Property Owners' Satisfaction Rate: 86%.

Key Features:Daikin Mini-Split AC systems are renowned for their impressive energy efficiency in both heating and cooling. Despite a higher initial cost and complex installation, their energy-saving inverter technology, diverse models, and robust warranty make them a smart investment.

Unique Selling Points: Daikin stands out with features like dual-area sensors that smartly adjust temperatures based on room occupancy, enhanced by the Comfort Control App for easy remote adjustments.

Pros and Cons:

Pros

✅ Reliable, consistent heating and cooling.
✅ Energy-efficient inverter technology reduces energy use.
✅ Wide range of models for different spaces and climates.
✅ Comprehensive warranty for long-term security.
✅ Intelligent sensor shifts to energy-saving mode after 20 minutes of no activity.
✅ Operates quietly.

Cons

❌ Complex installation may not be suitable for all DIYers.
❌ Higher upfront costs than some other brands.
❌ Challenges in finding genuine parts for repairs.
❌ Some customer service issues reported.
❌ SEER rating of 17, lower than some competitors.
❌ Larger units may be noisier.

Verdict: Daikin Mini-Split AC systems deliver outstanding performance and energy efficiency. While considering the potential installation challenges and upfront costs, for those prioritizing quality and reliability, Daikin stands as an excellent choice.

#3 - Goodman Mini-Split AC: Reliable Australian Excellence

Overall Ratings:Rated 4.2 stars, HVAC Technician's Rate: 8.3/10, Energy Efficiency Expert's Rate: 8.4/10, Property Owners' Satisfaction Rate: 84%.

Key Features:Under the Daikin group, Goodman Mini-Split AC systems are known for their robustness, reliability, and diverse product range. Despite some installation and component challenges, they're favored for effective noise control and generous warranties, some extending to a lifetime.

Unique Selling Points: Goodman's standout features include ComfortBridge™ Technology, Copeland® Ultratech™ Scroll Compressor, and ComfortAlert™ Diagnostics, which enhance efficiency, quiet operation, and ease of troubleshooting. Combined with an accessible price point, these features highlight Goodman's commitment to delivering efficient, high-quality HVAC solutions.

Pros and Cons:

Pros

✅ Dependable, long-lasting heating and cooling.
✅ Wide range of models and sizes.
✅ Energy-saving inverter technology.
✅ Solid reputation and Daikin affiliation enhances credibility.
✅ Balances affordability with efficiency.
✅ Known for generous warranties, some lifetime.

Cons

❌ Professional installation may be necessary.
❌ Occasional component issues could increase maintenance costs.
❌ Customer support and warranty services may be less comprehensive than Daikin's.
❌ Pricier than some competitors.
❌ Lacks extensive premium features.
❌ Not all models offer high energy efficiency.
❌ Goodman only sells to distributors, complicating the search for qualified installers.

Verdict: Goodman Mini-Split AC systems provide solid performance and notable durability. Considering the potential installation and component challenges, if reliability is your top priority, Goodman's robust solutions could be the ideal match.

#4 - Pioneer Mini Split AC: Affordable American Efficiency

Overall Ratings:Rated 3.9 stars, HVAC Technician's Rate: 7.9/10, Energy Efficiency Expert's Rate: 8.1/10, Property Owners' Satisfaction Rate: 78%.

Key Features: Known for their eco-friendliness and energy efficiency, Pioneer Mini-Split AC systems provide cost-effective and versatile ducted, ductless, and multi-zone options. Despite some quality and customer service issues, the comprehensive package—including an indoor unit, outdoor unit, wireless remote control, and flare connection leak guard sealer—makes them a favorite among DIYers.

Unique Selling Points: Pioneer's diverse mounting and capacity options and DIY-friendly installation are major advantages. With ceiling concealed and central split styles and a SEER rating of 20~22.8, the ducted systems demonstrate high energy efficiency. The inclusion of essential components and simple installation further boosts Pioneer's appeal.

Pros and Cons:

Pros

✅ Affordable and energy-efficient.
✅ Simple installation process.
✅ Designed to be eco-friendly, reducing energy use.
✅ Comes with a remote control for easy operation.
✅ Features a refrigerant leakage detector to protect the compressor.
✅ Includes an anti-cold air feature for controlled indoor fan speed and comfort.

Cons

❌ Possible quality control issues could affect reliability.
❌ Customer support experiences are mixed.
❌ Limited model range.
❌ May be less durable, increasing maintenance or repair costs.
❌ Pricier than many competitors.
❌ Professional installation required, which could be costly.

Verdict: Pioneer Mini-Split AC systems are an affordable option for those on a budget. However, potential quality control issues and inconsistent customer support should be carefully considered before making a decision.

#5 - Senville Mini-Split AC: Eco-Friendly Efficiency from Canada

Overall Ratings:Rating: 3.5⭐, HVAC Technician's Rate: 6.9/10, Energy Efficiency Expert's Rate: 7.4/10, Property Owners' Satisfaction Rate: 68%.

Key Features:Senville Mini-Split ACs are noted for their energy efficiency, stylish design, and quiet operation. Available in various sizes and capacities, from the SENL 09CD for spaces up to 450 sq. ft. to the robust SENA-36HF/Z for larger areas over 2000 sq. ft., they meet a broad range of cooling needs. High SEER ratings ensure cost-effective operation, and the choice of single or multi-zone systems with remote controls and dual cooling modes enhances user convenience. Despite some installation challenges and questions about accessory quality and customer service, Senville's commitment to providing attractive, efficient, and eco-friendly cooling solutions is clear.

Unique Selling Points: Senville sets itself apart with the use of eco-friendly R-32 refrigerant and extended warranties up to 7 years on compressors, underscoring its dedication to sustainability and customer satisfaction.

Pros and Cons:

Pros

✅ Efficient heating and cooling with a stylish design.
✅ Quiet operation minimizes noise.
✅ Features eco-friendly R-32 refrigerant in certain models.
✅ Ideal for single rooms and small offices, offering year-round comfort.
✅ High SEER rating (25) for cost-effective operation.
✅ Comes with warranties: 1-year on parts, and either 5 or 7 years on the compressor.

Cons

❌ Installation may require additional expertise.
❌ Quality of included accessories is questionable.
❌ Customer support reviews are inconsistent.
❌ Potentially less durable than more expensive brands, leading to higher maintenance or repair costs.

Verdict: Senville's Mini-Split AC offers eco-friendly efficiency. However, possible installation challenges, accessory quality issues, and variable customer support should be thoroughly considered before purchase.