When it comes to efficient and customizable temperature control for your home or office, mini split systems offer a flexible and energy-saving solution. These ductless systems provide both cooling and heating capabilities, often with advanced inverter technology and smart features. Below is a summary table of the best custom mini split systems selected to cover a range of needs, room sizes, and budgets.
| Product | BTU Capacity | Coverage Area | Key Features |
|---|---|---|---|
| Manastin 12000BTU Mini Split AC & Heater | 12,000 BTU | Up to 750 sq. ft | Fast cooling & heating, inverter tech, 5 modes, 17 SEER2 |
| MRCOOL Easy Pro 18,000 BTU Ductless Mini-Split | 18,000 BTU | Up to 800 sq. ft | DIY installation, smart WiFi control, quiet operation |
| YITAHOME 18000 BTU Mini Split AC Heat Pump | 18,000 BTU | Up to 1250 sq. ft | Wifi enabled, Alexa compatibility, five modes, energy efficient |
| DELLA 24000 BTU Mini Split AC with Heat Pump | 24,000 BTU | Up to 1500 sq. ft | Energy saving, 19 SEER2, multiple smart functions |
| MrCool Easy Pro 24k BTU DIY Mini Split System | 24,000 BTU | Up to 1200 sq. ft | High SEER2 rating, versatile heat pump, durable condenser |
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- Manastin 12000BTU Mini Split Air Conditioner & Heater
- MRCOOL Easy Pro 18,000 BTU Ductless Mini-Split System
- YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump System
- DELLA 24000 BTU Mini Split AC with Heat Pump and Installation Kit
- MrCool Easy Pro 24k BTU 5th Generation DIY Mini Split System
- Buying Guide for Custom Mini Split Systems
Manastin 12000BTU Mini Split Air Conditioner & Heater
The Manastin mini split system delivers fast cooling within 30 seconds and heating in 60 seconds, making it ideal for medium-sized rooms up to 750 square feet. Its advanced inverter technology provides a 17 SEER2 energy efficiency rating and uses eco-friendly R32 refrigerant, helping reduce electricity use and environmental impact.
With five operation modes including Turbo, ECO, Sleep, Silent, and a 24-hour timer, users enjoy customizable comfort. The system supports four fan speeds for tailored airflow and quiet performance, ensuring versatility for various indoor settings.
MRCOOL Easy Pro 18,000 BTU Ductless Mini-Split System
This 18,000 BTU MRCOOL Easy Pro system is engineered for easy DIY installation, reducing costs and mess. It adequately cools and heats spaces up to 800 square feet with quiet operation to maintain comfort without noise distractions.
The unit’s 230-volt split system design optimizes efficient temperature regulation powered by inverter technology. Its quiet and reliable performance makes it well-suited for residential or small commercial spaces.
YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump System
The YITAHOME 18000 BTU mini split offers efficient cooling and heating for up to 1250 sq. ft, supported by a high-power compressor and inverter technology that saves up to 25% in energy usage. It is ETL and AHRI certified for trusted performance.
This model provides five operating modes (auto, cool, dry, heat, fan) plus wifi and Alexa integration for smart control. Its features include automatic defrosting, self-diagnosis, silent operation under 47 dB, and several comfort-enhancing modes including “HEALTH” mode with dust removal.
DELLA 24000 BTU Mini Split AC with Heat Pump and Installation Kit
With a 19 SEER2 rating and 24,000 BTU capacity, this DELLA mini split system cools and heats up to 1500 square feet. It performs efficiently even in cold conditions down to -4°F, supported by a heat pump and DC inverter technology to save power.
The unit comes with a full installation kit and features multiple comfort modes, including 4D airflow, I Feel mode, turbo, eco energy savings, and sleep mode. It offers versatile fan speeds, drying options, and a 24-hour timer to customize your environment.
MrCool Easy Pro 24k BTU 5th Generation DIY Mini Split System
The MrCool Easy Pro system offers 24,000 BTUs with high seasonal efficiency ratings between 18.9 and 20.2 SEER2. It is designed for spaces up to 1200 square feet, ideal for game rooms, sunrooms, and garages.
This ductless heat pump supports both heating and cooling with an 11.2 HSPF2 rating. It features a durable Gold Fin condenser coating for long-lasting corrosion resistance and optimal heat transfer, ensuring reliability and energy-saving performance year-round.
Buying Guide for Custom Mini Split Systems
Choosing the right mini split system depends on multiple factors related to your space, comfort needs, and energy goals.
1. Capacity and Coverage Area
Assess the square footage of the room or zone where you intend to install the system. Mini splits range from around 9,000 to 36,000 BTUs to comfortably cover spaces from 300 to over 1,500 square feet. Oversizing or undersizing a unit can affect efficiency and comfort.
2. Energy Efficiency Ratings
Look for units with high SEER2 (Seasonal Energy Efficiency Ratio) and HSPF2 (Heating Seasonal Performance Factor) ratings to minimize operating costs. Systems using inverter technology offer better modulation and less energy consumption compared to traditional compressors.
3. Heating and Cooling Features
Many mini splits include heat pumps capable of providing heating as well as cooling. Check the minimum operating temperatures for heating performance if you live in colder climates. Features like turbo mode, dry mode, and multiple fan speeds add versatility.
4. Installation Considerations
Evaluate whether you prefer professional installation or a DIY-ready system that comes with full installation kits. Compact designs and included kits simplify mounting and connections. Check compatibility with your home’s electrical system voltage.
5. Smart Connectivity and Controls
Modern mini splits often offer WiFi control, smartphone apps, voice assistant compatibility (Alexa, Google Assistant), and programmable timers. These features enhance convenience and energy management.
6. Noise Level and Comfort Modes
Choose systems with quiet operation (<50 dB) if noise is a concern. Comfort modes such as sleep, eco, silent, and air purification (negative ions, dust removal) improve indoor air quality and user experience.
7. Environmental Impact
Opt for models using eco-friendly refrigerants like R32 and those certified by AHRI or ETL to ensure compliance with environmental and safety standards.
In sum, selecting the best custom mini split depends on a balance of capacity, energy savings, installation ease, and smart features to fit your unique environment and comfort preferences.