EVERWELL MGTC1223X-20 Inverter Minisplit 12,000 BTU Cooling Only 20 SEER Review
The demand for energy-efficient, compact, and technologically advanced cooling systems continues to grow, especially in residential and light commercial environments. The EVERWELL MGTC1223X-20 Inverter Minisplit 12,000 BTU Cooling Only 20 SEER is designed to meet these needs with a modern DC inverter system, WiFi readiness, and high energy performance.
This comprehensive review examines the technical specifications, performance capabilities, installation components, design features, efficiency benefits, and real-world applications of the EVERWELL MGTC1223X-20 mini split system. If you are searching for a reliable 12,000 BTU cooling-only unit with advanced features and strong efficiency ratings, this in-depth guide will provide all the essential information.
Overview of the EVERWELL MGTC1223X-20 Mini Split
The EVERWELL MGTC1223X-20 is a 1-ton ductless mini split air conditioner engineered exclusively for cooling. It is equipped with a Full DC Inverter system, delivering optimized compressor performance and improved temperature stability.
With a 20 SEER rating, this cooling-only system prioritizes energy savings while maintaining consistent indoor comfort. Designed for use with 220V/1Ph/60Hz power supply, it is suitable for residential installations where higher voltage systems are supported.
Key highlights include:
- 12,000 BTU cooling capacity
- Full DC Inverter technology
- WiFi ready control capability
- Noiseless operation
- GoldFin anti-corrosion technology
- AHRI and ETL certifications
- Installation kit included
This model is ideal for small to medium rooms, apartments, bedrooms, offices, and retail spaces that require efficient and quiet cooling.
Technical Specifications
Below is a detailed product data table based on manufacturer information available on Amazon.
Product Data Table
| Specification | Details |
|---|---|
| Brand | Everwell |
| Model | MGTC1223X-20 |
| Form Factor | Mini-Split |
| Capacity | 1 Ton |
| Cooling Capacity | 12,000 BTU |
| Cooling Type | Cooling Only |
| SEER Rating | 20.00 |
| Refrigerant | R410A |
| Voltage | 220V |
| Phase | 1 Phase |
| Frequency | 60 Hz |
| Product Dimensions | 19.6″D x 31.9″W x 11.5″H |
| Start Year | 2020 |
| Color | White |
| Inverter Type | Full DC Inverter |
| Special Features | Strong Performance, WiFi Ready |
| Certifications | AHRI and ETL Certified |
| Technology | GoldFin |
| Included Components | Evaporating Unit, Condensing Unit, Remote Control, Communication Cable, Copper Tubing |
This specification table provides a quick reference for evaluating performance and installation compatibility.
Cooling Performance – 12,000 BTU Output
The 12,000 BTU cooling capacity makes the EVERWELL MGTC1223X-20 suitable for rooms approximately 400 to 600 square feet, depending on insulation, ceiling height, and local climate conditions.
What 12,000 BTU Means
BTU (British Thermal Units) measures the cooling power of an air conditioning system. A 12,000 BTU unit can efficiently cool:
- Master bedrooms
- Studio apartments
- Home offices
- Small living rooms
- Retail stores
The inverter compressor continuously adjusts its speed to maintain precise temperatures rather than cycling on and off repeatedly. This ensures:
- Faster cooling response
- Reduced temperature fluctuations
- Lower energy consumption
- Quieter operation
20 SEER Energy Efficiency
One of the most important features of this EVERWELL mini split system is its 20 SEER rating.
SEER (Seasonal Energy Efficiency Ratio) measures how efficiently an air conditioner operates over a cooling season. A 20 SEER rating indicates strong efficiency compared to older systems that typically range from 13 to 16 SEER.
Benefits of 20 SEER Efficiency
- Reduced electricity bills
- Lower environmental impact
- Improved long-term savings
- Stable performance during peak heat
The inverter technology plays a significant role in achieving this efficiency level, allowing the compressor to operate at variable speeds instead of full capacity at all times.
Full DC Inverter Technology
The Full DC Inverter system is one of the most valuable aspects of the EVERWELL MGTC1223X-20.
Advantages of DC Inverter Systems
- Energy savings through variable speed control
- Faster cooling when temperature demand increases
- Quieter indoor operation
- Reduced mechanical wear
- Longer equipment lifespan
Instead of shutting off when the desired temperature is reached, the inverter reduces speed and maintains consistent cooling. This eliminates abrupt temperature changes and improves comfort.
WiFi Ready Smart Control
Modern homeowners increasingly prefer remote access to their cooling systems. The WiFi-ready functionality of this model allows integration with compatible applications for remote control.
With WiFi capability, users can:
- Turn the unit on or off remotely
- Adjust temperature settings
- Monitor operating modes
- Schedule cooling cycles
This feature enhances convenience and supports energy savings by preventing unnecessary operation when the room is unoccupied.
GoldFin Anti-Corrosion Technology
The inclusion of GoldFin Technology improves durability and heat exchange performance.
GoldFin coating protects the condenser and evaporator coils from:
- Corrosion
- Salt damage
- Humidity-related wear
- Environmental exposure
This is particularly beneficial in coastal or humid climates where corrosion can reduce system lifespan.
Noiseless Technology
The EVERWELL MGTC1223X-20 incorporates Noiseless Technology, making it suitable for environments where quiet operation is essential.
Quiet performance benefits:
- Bedrooms
- Study areas
- Offices
- Conference rooms
The inverter compressor and optimized fan system contribute to minimal operational noise, enhancing overall comfort.
Featured Operating Modes
The system offers several intelligent operation modes to improve user experience.
Self-Cleaning Operation
This function helps prevent mold and bacteria buildup inside the indoor unit by drying internal components after operation.
ECO Operation
ECO mode optimizes power consumption while maintaining comfort levels.
SUPER Operation
This mode increases cooling output temporarily to rapidly reduce room temperature.
Variable Speed Operation
Adjusts compressor speed according to demand for precise temperature control.
Sleep Mode
Gradually adjusts temperature during nighttime hours to enhance comfort and energy efficiency.
Timer Operation
Allows users to schedule on/off cycles to align with daily routines.
These operational features make the system adaptable to various comfort preferences.
Installation Kit and Included Components
The EVERWELL MGTC1223X-20 installation kit simplifies setup by including essential components.
Included items:
- Indoor evaporating unit
- Outdoor condensing unit
- Remote control
- Communication cable
- Copper tubing
Having copper tubing and communication cables included reduces additional purchases and streamlines installation.
Installation Considerations
- Requires 220V dedicated electrical circuit
- Professional HVAC installation recommended
- Proper wall mounting and drainage setup necessary
- Outdoor unit placement on stable surface
Correct installation ensures maximum efficiency and safety.
Certifications – AHRI and ETL
The system is both AHRI certified and ETL certified.
AHRI Certification
Confirms verified performance ratings and efficiency claims.
ETL Certification
Indicates compliance with North American safety standards.
These certifications provide confidence in product quality and performance reliability.
Refrigerant – R410A
The EVERWELL MGTC1223X-20 uses R410A refrigerant, widely adopted in modern cooling systems.
Benefits include:
- Improved heat absorption efficiency
- Zero ozone depletion potential
- Enhanced cooling performance
R410A operates at higher pressure levels than older refrigerants, contributing to better system output and energy efficiency.
Design and Dimensions
The indoor unit measures:
- 19.6 inches depth
- 31.9 inches width
- 11.5 inches height
Its white finish blends seamlessly with most interior styles.
The compact form factor ensures flexibility in installation without overwhelming wall space.
Ideal Applications
The EVERWELL 12,000 BTU cooling-only mini split is well suited for:
- Bedrooms
- Apartments
- Office spaces
- Small commercial stores
- Server rooms
- Rental properties
Since it is cooling-only, it is ideal for warm climates where heating is not required.
Maintenance and Care
Routine maintenance ensures longevity and peak performance.
Recommended practices:
- Clean air filters every 1–2 months
- Keep outdoor condenser free of debris
- Inspect drainage lines periodically
- Schedule annual professional inspection
Proper care can extend system lifespan and maintain energy efficiency.
Advantages of the EVERWELL MGTC1223X-20
Here are the main benefits:
- 20 SEER high energy efficiency
- Full DC Inverter technology
- WiFi ready smart control
- GoldFin anti-corrosion protection
- Quiet operation system
- Comprehensive installation kit included
- AHRI and ETL certified
- Reliable 12,000 BTU cooling performance
These features position it as a competitive solution in the 1-ton mini split category.
Final Verdict
The EVERWELL MGTC1223X-20 Inverter Minisplit 12,000 BTU Cooling Only 20 SEER delivers strong cooling performance, reliable inverter efficiency, and advanced user-friendly features. With WiFi readiness, GoldFin durability, and a complete installation kit, this unit is designed to offer modern convenience and dependable operation.
For homeowners and small business owners seeking a 20 SEER 12,000 BTU mini split cooling-only system, this model provides a balanced combination of efficiency, technology, and certified reliability.
Its inverter-driven compressor, smart modes, and anti-corrosion design make it a practical long-term investment for consistent indoor comfort in warm climates.