MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Complete System with 25ft. Line Set 115V | System Set
The MRCOOL DIY 5th Gen 12K BTU Mini Split is the perfect solution for efficient and reliable heating and cooling in smaller spaces. Designed for single-zone applications, this unit combines advanced inverter technology, Energy Star certification, and convenient smart features for effortless comfort. Its pre-charged Quick Connect line set makes DIY installation simple and tool-free, saving time and money without sacrificing performance.
Please note: This system is designed for DIY installation and includes a pre-charged Quick Connect line set for easy setup without HVAC tools or certification.
MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Features
DC Inverter Technology
Efficiently adjusts power output for consistent temperatures while reducing energy consumption.
Rotary Compressor
Durable and reliable design ensures long-lasting operation with minimal noise.
Quiet Mode
Keeps indoor operation whisper-quiet, making it ideal for bedrooms, offices, or living rooms.
Wi-Fi Compatibility
Control your comfort from anywhere using the MRCOOL app, compatible with iOS and Android devices.
Auto Cool Function
Automatically adjusts settings to maintain a comfortable environment without manual input.
Remote Control Included
Easily manage your unit with the included wireless remote for added convenience.
MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Applications
- Bedroom – quiet operation for restful sleep.
- Home office – reliable temperature control for focused work.
- Living room – efficient comfort for family gatherings.
- Small apartments – perfect fit for compact living spaces.
What’s Included
Everything you need is included with your product.
- Outdoor condenser
- Indoor air handler
- 25 ft. line set
- Remote control
- User Manual
Warranty
- 7 Years Compressor
- 5 Years Parts
MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Specifications
Dimensions & Weight
| Specifications | Details |
| Condenser Dimensions | 30.12 W” x 11.93 D” x 21.85 H” |
| Air Handler Dimensions | 31.57 W” x 7.44 D” x 11.69 H” |
| Condenser Weight | 65.48 lbs / 29.7 kg |
| Air Handler Weight | 24.91 lbs / 11.3 kg |
Capacity & Performance
| Specifications | Details |
| Zone Capacity | 1 |
| Cooling Capacity | 12,000 BTU |
| EER2 | 12.5 |
| SEER2 | 23.5 |
| Heating Capacity | 12,000 BTU |
| HSPF2-4 | 10.2 |
| HSPF2-5 | 7.6 |
| Coverage Area | 350 to 500 sq ft. |
| Outdoor Noise Level | 54 dB(A) |
| Indoor Noise Level (Hi/Mi/Lo) | 43.0/39.5/33.5/24.0/18.0 dB(A) |
Electrical Requirements
| Specifications | Details |
| Voltage | 115V |
| Phase | 1 |
| Cycle | 60 Hz |
| Max Fuse Breaker | 20A |
| Min Circuit Ampacity | 18A |
Refrigerant & Piping
| Specifications | Details |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 30.34 oz |
| Liquid Line Size | 1/4″ |
| Suction Line Size | 3/8″ |
| Max Line Set Length | 82 ft. |
Features
| Specifications | Details |
| Inverter | DC |
| Compressor Type | Rotary |
| Fan Only Option | Yes |
| Quiet Mode | Yes |
| Auto Cool | Yes |
| Wifi Compatibility | Yes |
| App Compatibility | Yes |
| Works with IOS | Yes |
| Works with Android | Yes |
| Remote Control Included | Yes |
Certifications & Warranty
| Specifications | Details |
| Certifications | UL Listed, ETL Listed, Energy Star Certified, AHRI Certified |
| Warranty | 7 Years Compressor | 5 Years Parts | Extended Limited Lifetime Replacement *If the original owner does not register the unit, the warranty defaults to the standard 5 year parts, 7 year compressor warranty **The original, registered owner must be enrolled in the MrCool Care Program every year in order to qualify for the 7 year full unit replacement for compressor failure and lifetime compressor replacement. |
Frequently-Asked Questions
Does this system come pre-charged?
Yes, the MRCOOL DIY 5th Gen system includes a pre-charged Quick Connect line set, eliminating the need for special HVAC tools or handling refrigerant.
Can I install this system myself?
Yes, this unit is designed for DIY installation. However, it’s important to follow all instructions in the manual carefully to ensure proper setup.
What size room will this cover?
The 12K BTU model is best suited for spaces ranging from 350 to 500 sq. ft., such as bedrooms, offices, or small apartments.
Is it compatible with smart home devices?
Yes, the system includes Wi-Fi compatibility and works with the MRCOOL app for iOS and Android.
Manual
- MRCOOL DIY 5th Gen E Star 12,000 BTU Complete System Manual
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