If you’re setting up a grow room, maintaining precise temperature and humidity is essential, and a reliable mini split can be the perfect solution. The Albott Mini Split stands out as the best overall choice thanks to its energy efficiency and ease of installation. For those seeking higher capacity, the ROVSUN 2 Zone System offers exceptional cooling and heating power, ideal for larger spaces. Keep in mind, the main tradeoffs in this category revolve around balancing capacity, efficiency, and upfront costs. Continue reading for a detailed comparison that will help you select the best mini split for your grow room needs.
Key Takeaways
- Capacity matters: larger grow rooms need higher BTU units like the ROVSUN for effective climate control.
- Efficiency ratings such as SEER2 directly influence ongoing energy costs, making higher SEER2 models more cost-effective long-term.
- WiFi and app control features are increasingly common and enhance convenience, but they can add to the price.
- Installation complexity varies; models with pre-charged linesets save setup time but often cost more upfront.
- Balance between initial investment and ongoing energy savings is key; premium models often justify higher prices with better efficiency.
More Details on Our Top Picks
Albott Mini Split Air Conditioner and Heater, 12,000 BTU, SEER2 18, 115V Inverter Energy-Efficient AC with Self-Cleaning, Remote and APP Control, Easy Installation, Cools up to 750 Sq.Ft.
This Albott mini split stands out for its versatile all-in-one climate control, combining cooling, heating, dehumidifying, and fan modes within a single unit. Its SEER2 18 rating guarantees energy efficiency comparable to more expensive models, yet it offers a straightforward control via APP and remote. Compared with the Garvee unit, it provides self-cleaning features that reduce maintenance, but its installation is more complex, requiring HVAC tools and professional setup. The unit can reliably operate in extreme temperatures from 5°F to 122°F, making it suitable for year-round use in larger grow rooms up to 750 sq ft. Its main tradeoff is the need for skilled installation—less suitable for DIYers—yet it compensates with quiet operation (<29dB) and a generous 7-year parts warranty. This pick makes the most sense for growers who want smart, reliable performance with minimal ongoing fuss.
Pros:- Energy-efficient inverter technology with SEER2 18 rating
- All-in-one heating, cooling, dehumidifying, and fan modes
- Self-cleaning filters reduce maintenance
Cons:- Requires professional installation with HVAC tools
- Installation complexity may be intimidating for DIYers
Best for: Growers seeking an energy-efficient, all-season climate control with smart features and reliable operation.
Not ideal for: Homeowners without HVAC experience or tools, as installation requires professional-grade equipment and skills.
- Cooling Power:12000 BTU
- SEER Rating:18
- Voltage:115V
- Coverage Area:750 sq ft
- Noise Level:29 dB
- Refrigerant:R32
Bottom line: This unit is best suited for growers who prioritize smart, all-season climate control and are prepared for professional installation.
Garvee 12000 BTU Mini Split Air Conditioner,19 SEER2 Ductless Inverter AC w/ 230V, Cool Up to 750 Sq. Ft with Heat Pump System,White
This Garvee mini split excels in energy efficiency with a 19 SEER2 rating and an AI-driven vector inverter that cuts energy use by over 25%, outperforming many similar units like Temprium’s with its advanced control. Its quiet operation, as low as 23dB in Sleep mode, makes it ideal for grow rooms where silence is key. The unit’s compact outdoor condenser reduces space requirements and eases installation on tight balconies or rooftops; however, professional installation is necessary to maximize performance. It offers rapid cooling and heating within 60 seconds, suitable for spaces up to 750 sq ft, and includes features like auto defrost and self-diagnosis for maintenance ease. The tradeoff is a slightly higher price and reliance on professional setup, but its low noise and high efficiency make it a smart choice for discreet, energy-conscious growers.
Pros:- High 19 SEER2 energy efficiency for lower utility bills
- Ultra-quiet operation at 23dB in Sleep mode
- Compact outdoor unit reduces space footprint
Cons:- Requires professional installation with HVAC tools
- Higher cost than basic models
Best for: Growers prioritizing energy efficiency, quiet operation, and space-saving installation.
Not ideal for: DIY enthusiasts without HVAC skills, as installation requires specialized tools and expertise.
- Cooling Power:12000 BTU
- SEER Rating:19
- Voltage:230V
- Coverage Area:750 sq ft
- Noise Level:23 dB
- Refrigerant:R32
Bottom line: Ideal for growers seeking a quiet, energy-efficient unit that fits into tight spaces but needs professional installation.
Mini Split Ac/Heating System – 12000 BTU Ductless Mini Split Air Conditioner with Heat Pump, 19 SEER2 115V Energy Efficient Ac Unit Up to 750 Sq.Ft with Installation Kit
This Mini Split AC/Heating System offers a compelling mix of high efficiency with a SEER2 19 rating and smart control features, including remote and timer functions. Its eco-friendly design with R32 refrigerant and energy-saving modes makes it suitable for environmentally conscious growers. Compared to the Albott and Temprium models, it emphasizes smart features like LED display and multiple modes, but its installation is straightforward, including an installation kit, making it more accessible for semi-technical users. The quiet operation at 42dB and dehumidifying function enhance grow room comfort, though it lacks the self-cleaning filters of some competitors. This pick makes sense for those who want a blend of energy efficiency, smart controls, and ease of setup, with a slight compromise on advanced maintenance features.
Pros:- High 19 SEER2 efficiency with eco-friendly R32 refrigerant
- Includes remote, timer, and multiple operation modes
- Easy installation with included kit
Cons:- No self-cleaning filters
- Less emphasis on ultra-quiet operation
Best for: Growers looking for a smart, eco-friendly unit with simple installation and versatile modes.
Not ideal for: Growers needing ultra-quiet operation or those who want a self-cleaning system without DIY skills.
- Cooling Power:12000 BTU
- SEER Rating:19
- Voltage:115V
- Coverage Area:750 sq ft
- Noise Level:42 dB
- Refrigerant:R32
Bottom line: Best suited for growers wanting a smart, efficient, and easy-to-install system with eco-conscious features.
ROVSUN 2 Zone 20000 BTU (12K/12K) Mini Split AC/Heating System, 23 SEER2 Dual Zone Ductless Wall Mounted Air Conditioner with Pre-Charged Condenser, Heat Pump & 25Ft Line Set, 208-230V
This ROVSUN dual-zone system is designed for larger grow rooms or multiple smaller spaces, providing up to 20,000 BTU combined cooling and heating capacity. Its individual controls for each zone allow precise climate management, making it ideal for grow setups with separate areas. The pre-charged condenser and included 25ft line set simplify installation compared to units like Temprium which require professional HVAC tools. Its quiet operation (28-45dB) and high efficiency (23 SEER2) make it a good choice for discreet indoor environments, but the system’s size and complexity demand professional installation. The main tradeoff is the need for proper setup, but its flexibility in controlling multiple zones justifies the added effort, especially for larger grow tents or mixed-use spaces.
Pros:- Dual-zone configuration for separate control
- High capacity with 20,000 BTU total
- Pre-charged for easier installation
Cons:- Requires professional installation
- More complex setup compared to single-zone units
Best for: Growers with multiple grow areas or larger spaces needing independent climate control.
Not ideal for: Small or single-zone grow rooms, as the system’s size and complexity may be overkill.
- Total Cooling BTU:20000
- SEER2 Rating:23
- Voltage:208-230V
- Indoor Units:2
- Line Set Length:25 ft
- Noise Level:28-45 dB
Bottom line: Ideal for growers managing multiple zones or larger spaces needing tailored climate control, with professional setup required.
12000 BTU Mini Split Air Conditioner 115V, 22 SEER2 AC & Heat Pump, Quiet Ductless System for Up to 750 Sq.Ft, R32 Refrigerant, WiFi Smart Control, Indoor & Outdoor Units, Installation Kit
This Temprium mini split impresses with a 22 SEER2 rating and advanced inverter technology, drastically reducing energy bills for grow rooms up to 750 sq ft. Its WiFi smart control and compatibility with Alexa and Google Assistant allow remote operation, making it ideal for tech-savvy growers. The unit operates at an ultra-quiet 23dB, suitable for sensitive environments like grow rooms where noise must be minimized. Its eco-friendly R32 refrigerant and self-cleaning feature improve sustainability and maintenance. Compared to Albott or Garvee, it offers superior efficiency and smart features, but the setup process can be complex for non-technical users, and the unit’s high efficiency relies on stable power and professional installation. This makes it perfect for growers who want cutting-edge tech and maximal savings but are comfortable with initial setup.
Pros:- Exceptional 22 SEER2 energy efficiency
- WiFi control compatible with Alexa/Google
- Ultra-quiet operation at 23dB
Cons:- Setup may be complex for beginners
- Requires stable power and professional installation
Best for: Growers seeking top-tier energy efficiency, smart control, and eco-conscious operation.
Not ideal for: Growers without smart home integrations or those uncomfortable with initial complex setup.
- Cooling Power:12000 BTU
- SEER2 Rating:22
- Voltage:115V
- Coverage Area:750 sq ft
- Noise Level:23 dB
- Refrigerant:R32
Bottom line: Best suited for growers who want maximum efficiency, smart control, and eco-friendliness with a willingness to tackle initial setup complexity.
12000 BTU Mini Split Air Conditioner & Heater, 115V 18.1 SEER2 Wifi Enabled Energy Efficient Inverter Ductless AC & 1 Ton Heat Pump System, Compatible with Alexa, Cools Up to 600 Sq. Ft
This mini split stands out for combining robust 12000 BTU heating and cooling power with smart home integration, making it an excellent choice for users who prioritize convenience and year-round climate control. Compared to the Albott model, which also offers 18 SEER2 and self-cleaning features, this system’s standout is its dual-function heat pump with electrical backup, ensuring stable performance even in extreme weather. The WiFi connectivity and voice control via Alexa or Google Assistant streamline operation, a major plus for tech-savvy growers. However, the unit’s slightly lower cooling capacity (600 sq. ft.) may limit its suitability for larger grow rooms, and its professional installation requirement adds initial cost and complexity. With quiet operation at just 23 dB and energy savings over 30% thanks to inverter technology, it balances comfort and efficiency effectively. Nonetheless, its size and complexity may be overkill for small or hobbyist setups that need simpler solutions.
Pros:- Powerful 12000 BTU capacity suitable for up to 600 sq. ft.
- Smart control compatibility with Alexa and Google Assistant
- Energy-efficient inverter technology saving over 30%
Cons:- Requires professional installation, which can add cost and time
- Cooling capacity may be insufficient for larger grow rooms over 600 sq. ft.
Best for: Growers who want reliable, efficient climate control with smart features for moderate-sized grow rooms up to 600 sq. ft.
Not ideal for: Small-scale or beginner growers seeking an easy-to-install, budget-friendly system, as the installation complexity and higher price point may be limiting.
- Cooling Capacity:12000 BTU
- Heating Capacity:12000 BTU
- SEER2 Rating:18.1
- Refrigerant Type:R32
- Smart Control:WiFi, Alexa, Google Assistant
- Noise Level:23 dB
Bottom line: This model is ideal for growers who want a high-tech, energy-efficient system capable of maintaining precise climates in moderate-sized grow rooms with year-round heating and cooling needs.
How We Picked
The products in this roundup were evaluated based on a combination of performance, energy efficiency, ease of installation, and suitability for grow room environments. We prioritized models with high SEER ratings, quiet operation, and reliable heating and cooling capabilities. Ease of use, features like smart controls, and build quality also played a critical role. Our ranking reflects a balance between value and performance, aiming to recommend systems that are both effective and practical for growing setups of various sizes.Factors to Consider When Choosing Best Mini Split For Grow Room
Choosing the best mini split for a grow room involves more than just capacity. It’s vital to consider energy efficiency, ease of installation, and control features, especially since grow rooms often need precise climate management. Understanding these factors helps prevent costly mistakes and ensures your system meets both current and future needs.Capacity and Size
Proper capacity ensures your grow room maintains stable temperatures without overworking the unit. Too small a unit will struggle in extreme weather, while too large can lead to unnecessary energy consumption and humidity issues. Measure your space accurately and consider future expansion when choosing BTU ratings. For rooms up to 750 sq. ft., a 12,000 BTU unit usually suffices, but larger or more insulated spaces may require more powerful systems like 20,000 BTU dual-zone models.
Energy Efficiency
Energy efficiency ratings, especially SEER2, directly impact your ongoing electricity costs. Higher SEER2 models, such as 19 or 23, consume less power for the same cooling capacity, which can significantly lower operating expenses over time. However, these units tend to be more expensive initially, so weigh the upfront costs against potential savings. Efficient units also tend to run quieter and last longer, making them a smart long-term investment.
Ease of Installation
Many mini splits come with features like pre-charged linesets and simplified mounting options that reduce installation time and complexity. If you’re installing the unit yourself, look for models with clear instructions and included kits—costly professional install isn’t always necessary. Conversely, more advanced systems with multi-zone controls or higher capacity may require professional setup, adding to the total investment but offering more tailored climate control.
Smart Controls and Features
Smart features like WiFi connectivity, app control, and voice compatibility (e.g., Alexa) can make managing your grow room more convenient. These features are especially useful for maintaining precise conditions remotely. However, they often come with a higher price tag and may introduce potential security considerations. Decide if the convenience justifies the extra cost based on your tech comfort level and control needs.
Maintenance and Durability
Mini splits with self-cleaning functions and durable build quality can reduce maintenance efforts and extend the system’s lifespan. Regular filter cleaning and occasional professional checks are still necessary, but units designed for easier maintenance save time and reduce downtime. Consider units with good warranties and reliable customer support, especially if you plan to use the system intensively in a grow operation.
Frequently Asked Questions
Will a mini split be enough to control humidity in my grow room?
While mini splits excel at temperature control, humidity management often requires additional dehumidification equipment. Many mini splits can help reduce excess humidity by cooling, but in highly humid environments, a dedicated dehumidifier may be needed for precise control. Choosing a model with a heat pump can help modulate humidity levels more effectively, but for optimal results, consider integrating both systems based on your grow room’s specific needs.
Can I install a mini split myself, or should I hire a professional?
Many mini splits are designed for DIY installation, especially those with pre-charged linesets and straightforward mounting procedures. However, handling refrigerant lines and electrical connections can be complex and potentially hazardous if not done correctly. For larger or multi-zone systems, hiring a professional ensures correct installation, optimal performance, and compliance with safety standards. Evaluate your comfort level and the system’s complexity before deciding.
Are inverter mini splits worth the extra cost?
Inverter technology provides variable-speed operation, which translates into more efficient and quieter performance. Over time, these units consume less energy, leading to savings that often offset the higher upfront price. For grow rooms requiring consistent climate control and energy savings, investing in inverter models makes sense. However, if your climate is mild and your space small, a basic unit might suffice, making inverter features less critical.
What should I consider when choosing between single-zone and multi-zone mini splits?
Single-zone units are ideal for small grow rooms or specific sections, offering focused climate control. Multi-zone systems, like the ROVSUN model, allow you to control different areas independently, which is useful if your grow space has multiple rooms or zones. Keep in mind that multi-zone systems are generally more expensive and complex to install but provide greater flexibility. Assess your space layout and future needs before opting for one or multiple single-zone units.
How important is refrigerant type in choosing a mini split?
Refrigerant type impacts both efficiency and environmental impact. R32 refrigerant, used in some of these models, is more environmentally friendly and offers better efficiency compared to older R410A units. Choosing a system with eco-friendly refrigerants can reduce your carbon footprint and potentially improve performance. Always ensure that the refrigerant used complies with local regulations and that your system is designed for optimal compatibility.
Conclusion
For most grow room setups, the Albott Mini Split offers a balanced combination of efficiency, ease of use, and affordability, making it the best overall choice. If you’re managing a larger space or multiple zones, the ROVSUN 2 Zone System delivers superior capacity and flexibility. Budget-conscious growers will appreciate the value offered by models like the Garvee 12000 BTU, while those seeking premium features and advanced control should consider higher-end units with smart technology. Beginners should prioritize straightforward installation, whereas experienced growers might focus on energy savings and multi-zone capabilities. Ultimately, your choice depends on your grow room size, budget, and specific climate control needs.
