Choosing the right off grid solar mini split system combines energy independence with effective climate control. Below is a summary table highlighting the essential details of the most relevant products reviewed in this article, focusing on inverter and mini split air conditioning units suitable for off-grid solar integration.
Product Name | Brand | Power/Capacity | Key Features | Amazon Link |
---|---|---|---|---|
Aninerel 3600W DC 48V Split Phase Solar Inverter | Aninerel | 3600W Inverter | Built-in 2 MPPT solar controllers, parallel support | View on Amazon |
ECI Power 200W 12V Solar Power Kit | ECI Power | 200W Solar with 20Ah LiFePO4 Battery | MPPT charge controller, Bluetooth adapter included | View on Amazon |
Oylus Mini Split AC/Heating System – 12000 BTU | OYLUS | 12,000 BTU Cooling/Heating | 19 SEER2, inverter heat pump, energy efficient | View on Amazon |
DELLA Vario Series 12000 BTU Mini Split Air Conditioner | Della | 12,000 BTU | Alexa compatible, pre-charged heat pump, smart sensor | View on Amazon |
Della 36K BTU Quad 4 Zone Mini Split System | Della | 36,000 BTU Total | Multi-zone, Alexa enabled, energy saving | View on Amazon |
Aninerel 3600W DC 48V Solar Inverter for Off Grid Mini Splits

The Aninerel 3600W DC 48V Split Phase Solar Inverter features an all-in-one solar charge inverter design perfect for off-grid mini split HVAC setups. It integrates two built-in MPPT solar charge controllers that efficiently manage solar input from 80 to 300Vdc. With a max rating of 3.6KW continuous output and 7.2KW peak surge, it supports both 120V single-phase and 120/240V split-phase outputs.
This inverter also supports parallel connections of up to 6 units, scaling power output to 21.6KW for larger needs. It includes multiple built-in protections such as battery over-voltage, PV overvoltage, overload, and AC input protections. The stable, pure sine wave output supports sensitive electronics including mini split air conditioners and heat pumps running off solar power.
ECI Power 200W Solar Kit with LiFePO4 Battery

The ECI Power 200W 12V Solar Power Kit is an economical off-grid solution, combining two 100W monocrystalline panels with a 12V 20Ah LiFePO4 battery. The included 20A MPPT solar charge controller features Bluetooth monitoring for battery and solar performance, making it ideal for smaller mini split systems or supplementary power needs.
This compact kit is designed for affordability without sacrificing durability, offering up to 2000+ battery cycles at 80% depth of discharge. Though better suited for low-power mini splits or partial HVAC loads, it provides a solid foundation for mobile or off-grid solar projects with expandable capabilities.
Oylus 12000 BTU Mini Split AC and Heat Pump

The Oylus Mini Split AC/Heating System offers a balanced cooling and heating solution with a 12,000 BTU capacity, suitable for spaces up to 750 sq. ft. It features advanced inverter technology and a heat pump delivering 19 SEER2 efficiency, which translates to significant energy savings when powered by off-grid solar setups.
This system includes user-friendly functions such as an ECO mode, 24-hour timer, and remote control operation. Its ability to modulate performance reduces power consumption, ideal for battery-powered or solar energy-reliant homes. The Oylus unit delivers consistent comfort with environmental consideration through its energy-saving design.
DELLA Vario 12000 BTU Mini Split with Smart Features

The DELLA Vario Series 12000 BTU Mini Split is a smart and energy-efficient ductless system with Alexa compatibility. The unit delivers 19 SEER2 cooling and 8.5 HSPF heating performance alongside AHRI certification. It supports operating temperatures down to -4°F, making it adaptable to various off-grid climates.
This model uses intelligent sensors located in the remote control for precise temperature adjustments and features automatic defrost, eco-saving modes, and multiple fan speeds. Its pre-charged heat pump and inverter technology optimize power consumption, aligning well with solar power systems for reliable year-round conditioning.
Della 36K BTU 4 Zone Mini Split Multi-Room System

The Della 36,000 BTU Quad 4 Zone Mini Split system provides robust off-grid cooling and heating for up to 2350 sq. ft. With four indoor units of various capacities (9,000, 9,000, 12,000, and 18,000 BTU), each controlled individually, this system suits larger homes or multiple rooms.
Featuring 19 SEER2 efficiency and DC inverter technology, the system supports Alexa voice control and WiFi integration. It is factory pre-charged and includes extensive installation kits. This multi-zone approach allows adaptable temperature management, reducing energy consumption while enhancing solar system compatibility.
Buying Guide for Off Grid Solar Mini Split Systems
Selecting the ideal off-grid solar mini split system involves balancing power needs, energy efficiency, and system compatibility. Here are key factors to consider:
Power Capacity and Cooling/Heating Requirements
Determine the BTU rating based on the square footage of the area you need to cool or heat. Oversizing wastes power, while undersizing limits comfort. Typical mini splits range from 9,000 to 36,000 BTU, with larger multi-zone units available for bigger spaces.
Energy Efficiency Ratings
Look for the SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings. Higher values indicate better efficiency. Units with inverter technology provide variable speed operation, reducing energy consumption crucial for battery-based or solar power systems.
Solar Inverter Compatibility
The solar inverter must support the electrical load of the mini split units. Pure sine wave inverters with MPPT charge controllers, like the Aninerel or SUNGOLDPOWER models, ensure stable power delivery. Parallel inverter connections can expand capacity for larger systems.
Battery and Solar Panel Integration
Ensure your battery bank (LiFePO4, AGM, or lead acid) matches the inverter and mini split system voltage requirements. The solar charge controller should have MPPT technology to optimize power harvest. Kits like ECI Power’s include all components for a plug-and-play approach.
Control Options and Smart Features
Remote control, WiFi connectivity, and voice assistant compatibility enhance user convenience and enable schedule automation. Smart sensors can optimize energy use by adjusting operation based on room temperature.
Installation and Maintenance Considerations
Professional installation is often recommended for mini split systems, especially multi-zone configurations. Pre-charged refrigerant models reduce complexity. Consider available installation kits and whether your setup requires ductless or ducted options.