Finding the best mini split air conditioner DIY kit can feel overwhelming with so many options available. The top pick, GarveeTech 12000 BTU DIY Mini Split, stands out for its high efficiency and user-friendly installation process. The MrCool DIY Select offers a great balance of features and warranty support, making it ideal for those who want reliability. Meanwhile, some kits compromise on ease of setup or energy efficiency, so understanding the key differences is essential. Continue reading for a detailed comparison of these options to find the best fit for your cooling needs.
Prime for Young Adults — start your free trial
Fast free delivery, streaming and member deals for eligible 18–24 year olds.
Try it freeAs an affiliate, we earn on qualifying purchases.
Key Takeaways
- Top-performing kits like GarveeTech deliver high efficiency with 19 SEER2 ratings, but often come at a higher cost.
- Ease of installation varies significantly; some brands include complete kits with detailed instructions, making DIY simpler.
- Warranties and support are crucial—models like MrCool offer line set and compressor warranties that add peace of mind.
- Energy efficiency and heating capabilities differ; some units double as heat pumps, ideal for year-round comfort.
- Price point often correlates with features, but the most expensive isn’t always the best value for every buyer.
| mini split air conditioner diy kit | Voltage | Coverage Area | Warranty | BTU |
|---|---|---|---|---|
| GarveeTech 12000 BTU DIY Mini | 115V | 750 sq. ft. | 5 years | — |
| Albott Easy DIY Series 12,000 | 115V | 750 sq. ft. | 5-year compressor, 7-year parts | 12,000 |
| Albott 12,000 BTU DIY Mini Spl | 115V | 750 sq. ft. | 5-year compressor, 8-year parts | 12,000 |
| Rellytech 11500 BTU Mini Split | — | — | 5 years | 11500 |
| MrCool DIY Select Mini Split w | — | 500 to 1200 sq ft | — | — |
| Senville LETO Mini Split Air C | 110 volts | — | — | — |
| Tehanld 12000 BTU Mini Split A | 115V | — | — | 12000 |
More Details on Our Top Picks
GarveeTech 12000 BTU DIY Mini Split AC/Heating System, 19 SEER2, 115V
This system stands out for its exceptional quiet operation at just 25 dB, making it ideal for bedrooms or home offices where noise is a concern. Compared with the Albott models, it offers a higher SEER2 rating of 19, translating into superior energy efficiency. Its self-cleaning feature reduces ongoing maintenance, and the complete kit simplifies installation for those comfortable with DIY projects, though professional help may be needed for optimal setup. The higher initial cost is offset by its performance and quiet operation, making it a well-rounded choice for serious DIYers seeking a premium mini split system.
Pros:- Extremely quiet at 25 dB, ideal for bedrooms and workspaces
- High efficiency with 19 SEER2 and inverter control
- Complete kit with all necessary components for DIY installation
- Self-cleaning feature reduces ongoing maintenance
Cons:- Requires professional installation for optimal performance
- Limited to spaces up to 750 sq. ft.
- Higher upfront cost compared to basic window units
Best for: Homeowners or office users who prioritize quiet operation and energy savings in spaces up to 750 sq. ft.
Not ideal for: Small apartments or budget-conscious buyers who need a lower-cost, simpler solution without the need for professional installation.
- Cooling Capacity:12000 BTU
- Heating Capacity:12300 BTU
- SEER:19 SEER2
- HSPF:8.5 HSPF2
- Voltage:115V
- Coverage Area:750 sq. ft.
- Noise Level:25 dB
- Warranty:5 years
Our verdict“This model suits buyers who want a quiet, energy-efficient system with a complete DIY kit for small to medium spaces.”
Albott Easy DIY Series 12,000 BTU 115V Mini Split AC & Heat Pump, 18 SEER2
This model is tailored for DIY enthusiasts seeking reliable heating and cooling with minimal hassle. Its pre-wired indoor unit simplifies setup, making it more accessible than the Albott 12,000 BTU system without pre-wiring. While it offers a high SEER2 rating of 18, slightly below the GarveeTech’s 19, it still provides excellent efficiency for spaces up to 750 sq. ft. The included warranties and self-cleaning filters add convenience, though it lacks smart connectivity features which might appeal to tech-savvy users. This pick is ideal for those comfortable with basic electrical work and looking for a straightforward installation process.
Pros:- Pre-wired indoor unit simplifies DIY installation
- High efficiency with 18 SEER2 rating
- Reliable year-round heating and cooling
- Self-cleaning filters reduce maintenance
Cons:- Professional help still recommended for installation
- No smart connectivity features included
- Limited to indoor spaces up to 750 sq. ft.
Best for: DIY homeowners who want a dependable heating and cooling system with easy installation and good efficiency.
Not ideal for: Tech enthusiasts seeking smart home integration or those who prefer plug-and-play simplicity without wiring involved.
- BTU:12,000
- Voltage:115V
- SEER2:18
- Coverage Area:750 sq. ft.
- Temperature Range:5°F to 122°F
- Warranty:5-year compressor, 7-year parts
Our verdict“This system offers a balanced mix of ease of installation and efficiency for DIYers upgrading small spaces.”
Albott 12,000 BTU DIY Mini Split AC & Heating System
This system is well-suited to users who prioritize energy efficiency and quiet performance, operating at under 29dB, similar to the GarveeTech but with slightly lower SEER2 of 18. Its easy DIY installation with pre-wired components makes it accessible, yet the lack of included power cords and some technical knowledge needed for setup set it apart from plug-and-play options like the GarveeTech. Its long warranty and inverter technology translate into lower operational costs and durability, but the need for some electrical work might deter complete novices. It’s an excellent choice for small homes or offices seeking efficiency without noise disruptions.
Pros:- Energy-efficient inverter technology reduces bills
- Quiet operation at under 29dB
- Long warranties for peace of mind
- Pre-wired indoor unit simplifies installation
Cons:- Power cord not included, requiring additional purchase
- Installation may require technical electrical knowledge
- No professional installation support included
Best for: Homeowners or small business owners focused on energy efficiency and quiet operation within spaces up to 750 sq. ft.
Not ideal for: Complete beginners without electrical skills or those seeking an all-in-one plug-and-play solution.
- BTU:12,000
- Coverage Area:750 sq. ft.
- Temperature Range:5°F–122°F
- SEER2:18
- Warranty:5-year compressor, 8-year parts
- Voltage:115V
Our verdict“This model matches efficiency and quiet operation with a DIY-friendly setup for small-scale applications.”
Rellytech 11500 BTU Mini Split AC/Heating System 17 SEER2 Ductless Inverter
This system is designed for spaces up to 550 sq.ft., making it ideal for smaller rooms or garages. It offers a slightly lower SEER2 of 17 but compensates with features like adjustable airflow, silent operation at 29dB, and a self-cleaning function. Compared with the higher-capacity GarveeTech, it’s better suited for tighter spaces, though the need for professional installation and complex wiring makes it less ideal for DIY novices. The inclusion of R32 refrigerant and a comprehensive installation kit adds to its appeal for those willing to handle setup.
Pros:- Quiet operation at 29dB for peaceful use
- Adjustable airflow and multi-mode operation
- Self-cleaning function reduces maintenance
- Includes copper line set and installation kit
Cons:- Requires professional installation, not DIY-friendly
- Power cord not included
- Limited to smaller spaces up to 550 sq.ft.
Best for: Home or garage owners needing quiet, efficient climate control in smaller areas with flexible comfort features.
Not ideal for: DIY beginners or those seeking plug-and-play systems for larger, multi-room setups.
- BTU:11500
- SEER2:17
- Cooling Area:550 sq.ft.
- Operating Temperature Range:-4°F to 122°F
- Refrigerant:R32
- Warranty:5 years
Our verdict“This model offers flexible airflow and quiet operation for smaller spaces but needs professional setup for optimal performance.”
MrCool DIY Select Mini Split with Line Set and 1-Year Labor Warranty
This system caters to those needing coverage for larger rooms up to 1,200 sq.ft., with a capacity of 1 ton and SEER2 of 16.5-17.5. Its pre-charged 11.5-foot line set simplifies installation compared to other systems requiring extensive refrigerant handling, similar to the Albott models but with added convenience. The WiFi control and inverter technology enable remote adjustments, making it ideal for tech-savvy users who want flexibility in managing climate remotely. The 1-year labor warranty signals confidence in durability, though its noise level at 44.5 dB is higher than other quieter models, which may matter in very quiet environments. It’s suited for larger, multi-purpose spaces where ease of setup and remote control matter most.
Pros:- Pre-charged line set simplifies DIY installation
- WiFi compatibility for remote monitoring
- Suitable for spaces up to 1,200 sq. ft.
- Inverter technology reduces energy use
Cons:- Higher noise level at 44.5 dB may be disruptive
- Limited to single-zone coverage
- Requires outdoor unit compatibility for system functioning
Best for: Homeowners with larger rooms or multiple zones wanting WiFi control and straightforward installation.
Not ideal for: Small room dwellers or users who prioritize ultra-quiet operation over remote accessibility.
- Cooling Efficiency:17.5 – 16.5 SEER2
- Heating Performance:8.8 – 8.3 HSPF2
- Coverage Area:500 to 1200 sq ft
- Line Set Length:11.5 ft
- Refrigerant:R-454b
- Noise Level:44.5 dB
- Power Voltage:120 volts
Our verdict“This system is best for larger spaces and tech-forward users seeking remote control and straightforward DIY installation.”
Senville LETO Mini Split Air Conditioner, Heat Pump, White, 12000 BTU
The Senville LETO stands out as the most versatile option, offering not just cooling but also heating, dehumidifying, and fan modes, all integrated into a compact design. Its Alexa compatibility allows voice control, making it highly convenient for tech-savvy homeowners. Compared to the Tehanld system—which emphasizes energy efficiency with a 17 SEER2 rating—the LETO’s inverter technology ensures quiet operation and solid energy savings, though it doesn’t carry a BEE star rating. The included installation kit simplifies setup for those comfortable with DIY, but professional installation remains recommended. Its 12000 BTU capacity is well-suited for medium-sized rooms, and the 5-year warranty provides peace of mind. However, it requires careful planning for placement due to size and indoor use constraints. This pick is ideal for homeowners seeking a reliable, all-in-one climate control solution with smart features.
Pros:- Integrates with Alexa for voice control
- Versatile 4-in-1 operation: cooling, heating, dehumidifying, fan
- Includes installation accessories and refrigerant
- Quiet operation at 28 dB
Cons:- Requires professional installation for optimal setup
- Limited to indoor spaces with specific dimensions
- No official BEE star energy rating
Best for: Homeowners who want a versatile, smart-controlled mini split with heating and cooling in a single setup
Not ideal for: Those seeking a system with BEE star rating or planning for large spaces over 500 sq.ft.
- Cooling Power:12000 BTU
- Color:White
- Noise:28 dB
- Refrigerant:R-454B
- Inverter Type:Has Inverter
- Application:Residential
- Voltage:110 volts
- Wattage:1020 watts
- Control Method:Remote
Our verdict“This system is best for tech-savvy homeowners seeking a comprehensive, smart mini split with reliable performance.”
Tehanld 12000 BTU Mini Split Air Conditioner, 17 SEER2, Energy Efficient Inverter System, Heating & Cooling for Up to 750 Sq.Ft, Complete Installation Kit, White
The Tehanld 12000 BTU mini split excels in energy efficiency, featuring a 17 SEER2 rating and eco-friendly R32 refrigerant, making it a strong choice for cost-conscious buyers focused on long-term savings. Its complete installation kit simplifies setup, though professional installation is still recommended due to separate components—unlike the all-in-one approach of the Senville LETO. Designed for spaces up to 750 sq.ft., it offers multiple modes and adjustable fan speeds, delivering customizable comfort. Its reliable performance in low temperatures makes it suitable for year-round climate control. However, its higher price point and separate packaging for indoor and outdoor units can be a barrier for DIYers without experience. Compared to the LETO, it’s less integrated but more energy-conscious, appealing to those prioritizing efficiency. This system is best for homeowners with larger living spaces who want a cost-effective, eco-friendly option.
Pros:- High energy efficiency with 17 SEER2 rating
- Eco-friendly R32 refrigerant reduces environmental impact
- Complete installation kit included for easier setup
- Reliable in low-temperature conditions
Cons:- Requires professional installation due to separate units
- More expensive than basic window units
- Limited to 750 sq.ft capacity
Best for: Homeowners needing efficient climate control for spaces up to 750 sq.ft that prioritize energy savings
Not ideal for: DIYers uncomfortable with separate unit setup or those on a strict budget aiming for the lowest upfront cost
- BTU:12000
- SEER2:17
- Voltage:115V
- Cooling Capacity:750 sq.ft
- Refrigerant:R32
- Included:Indoor unit, outdoor unit, remote, installation kit
- Certifications:UL, DOE
Our verdict“This model is best suited for buyers seeking long-term savings and efficient cooling for medium to large spaces.”
How We Picked
In selecting these mini split DIY kits, I prioritized performance, ease of installation, and value. I examined SEER ratings to gauge energy efficiency, considered included components like line sets and mounting brackets for DIY convenience, and looked at warranties to assess long-term reliability. Price was also a factor, ensuring options are realistic for different budgets. The ranking reflects a balance of these factors, emphasizing systems that provide straightforward installation without sacrificing performance or durability.
| mini split air conditioner diy kit | Refrigerant |
|---|---|
| GarveeTech 12000 BTU DIY Mini | — |
| Albott Easy DIY Series 12,000 | — |
| Albott 12,000 BTU DIY Mini Spl | — |
| Rellytech 11500 BTU Mini Split | R32 |
| MrCool DIY Select Mini Split w | R-454b |
| Senville LETO Mini Split Air C | R-454B |
| Tehanld 12000 BTU Mini Split A | R32 |
Factors to Consider When Choosing Best Mini Split Air Conditioner Diy Kit
Choosing the right mini split DIY kit involves understanding several factors that impact installation, performance, and long-term value. While some kits are more user-friendly, others prioritize efficiency or heating power. Considering these aspects beforehand can prevent costly mistakes and help you select a system that fits your space and skills.Energy Efficiency and Cooling Capacity
Energy efficiency, measured by SEER ratings, directly affects your monthly utility bills. Higher SEER units cost more upfront but save more over time. It’s also important to match the cooling capacity (BTU) to your space—oversized units waste energy, while undersized ones struggle to cool effectively. Always evaluate your room size and climate for optimal performance.
Ease of Installation and Included Components
Since this is a DIY kit, the ease of installation is critical. Look for systems that include comprehensive instructions, pre-charged lines, and all necessary mounting hardware. Kits with clear manuals and minimal additional tools reduce frustration and the risk of mistakes. Some brands also offer online support or video tutorials, which can be a valuable resource for beginners.
Warranties and Customer Support
Long-term peace of mind often depends on warranty coverage. Most good DIY kits include parts warranties, and some, like MrCool, extend to compressors and line sets. Check what support options are available if issues arise—responsive customer service can save time and money. Warranties also reflect the manufacturer’s confidence in their product quality.
Heating Capabilities and Year-Round Use
Many mini split systems double as heat pumps, providing heating in addition to cooling. If you want a single system for all seasons, verify the heating capacity, especially in colder climates. Some units operate efficiently down to low temperatures, making them suitable for year-round comfort without extra heating devices.
Price and Overall Value
While higher-priced kits often feature better efficiency and more comprehensive components, they aren’t always necessary for smaller or less demanding spaces. Balance your budget with your performance needs—sometimes, a more affordable kit with good reviews can meet your requirements without extra cost. Watch for hidden fees like additional refrigerant or professional installation charges.
Frequently Asked Questions
Can I install a mini split system myself without prior experience?
Yes, many DIY mini split kits are designed for installation by homeowners, especially those with basic plumbing and electrical skills. However, it’s important to carefully follow the included instructions and use the right tools. Some units come with pre-charged lines, simplifying the process. For complex setups or larger units, consulting a professional might still be advisable to ensure safety and optimal performance.
What should I consider when choosing a mini split for a larger room?
For bigger spaces, ensure the unit’s BTU rating matches the room size—usually around 20 BTU per square foot as a rule of thumb. Higher capacity units tend to be more energy-efficient in larger areas, especially if the space has high ceilings or direct sunlight. Also, check if the system offers heating, as it can serve as a year-round climate control solution for larger rooms.
How important is the warranty when selecting a DIY mini split kit?
Warranties are a key indicator of product reliability and manufacturer confidence. A good warranty can cover compressor failures, parts, or installation issues, saving you money down the line. Look for kits that offer at least a 1-year warranty on parts and consider extended coverage if available. Responsive customer support can also make a big difference in resolving any problems quickly.
Are energy-efficient models worth the extra initial investment?
Generally, yes. Higher SEER ratings mean lower operating costs, which can offset the higher purchase price over time. If you plan to run the system extensively or want to reduce your energy bills, investing in a more efficient unit makes sense. However, if your cooling needs are infrequent or the space is small, a mid-range model might offer the best balance of cost and efficiency.
What maintenance is required for a mini split system installed DIY?
Routine maintenance includes cleaning or replacing filters regularly, inspecting the outdoor unit for debris, and ensuring the refrigerant lines are sealed properly. Some models feature smart diagnostics or self-cleaning functions that simplify upkeep. Regular checks help maintain efficiency and extend the lifespan of the system, but a professional inspection every few years can catch issues early.
Conclusion
For most homeowners seeking a dependable, easy-to-install system, the GarveeTech 12000 BTU DIY Mini Split stands out as the best overall choice, balancing efficiency and user-friendliness. Those on a tighter budget might prefer the Albott Easy DIY Series for its affordability and decent performance. If you’re willing to invest more for extended warranties and premium features, the MrCool DIY Select offers excellent value. Beginners or small-space users should prioritize kits with comprehensive instructions and support, while larger or more demanding spaces benefit from higher BTU models with heating options. Your ideal choice depends on your specific needs and comfort with DIY projects.
NFL season / tailgating Picks
team gear
As an affiliate, we earn on qualifying purchases.
