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MRCOOL DIY® 5th Gen E Star Single/Multi-Zone Mini Split Air Handler 115V/230V- 6K to 36K BTU

MRCOOL DIY® 5th Gen E Star Single/Multi-Zone Mini Split Air Handler 115V/230V- 6K to 36K BTU

by MRCOOL
SKU DIY-18-HP-WMAH-230D25-O
Save up to $1,068.00 Save $1,068.00
$1,999.00
$549.00 - $1,999.00
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MRCOOL DIY® 5th Gen E Star Single/Multi-Zone Mini Split Air Handler 115V/230V- 6K to 36K BTU

OPTIONS:  

115V

BTU   SKU Max Coverage Area
9,000 BTU DIY-09-HP-WMAH-115D25-O 400 Sq. Ft.
12,000 BTU DIY-12-HP-WMAH-115D25-O 550 Sq. Ft.

 

230V

BTU   SKU Max Coverage Area
6,000 BTU DIY-06-HP-WMAH-230D25-O 200 Sq. Ft.
9,000 BTU DIY-09-HP-WMAH-230D25-O 400 Sq. Ft.
12,000 BTU DIY-12-HP-WMAH-230D25-O 550 Sq. Ft.
18,000 BTU DIY-18-HP-WMAH-230D25-O 800 Sq. Ft.
24,000 BTU DIY-24-HP-WMAH-230D25-O 1024 Sq. Ft.
36,000 BTU DIY-36-HP-WMAH-230D25-O 1550 Sq. Ft.

 

The MRCOOL® DIY® 5th Generation Mini-Split Heat Pump systems are the ultimate do-it-yourself HVAC solution. Available in single- and multi-zone configurations, they are engineered for fast installation, superior energy efficiency, and year-round comfort. All units come pre-charged with R-454B refrigerant and include the patented DIY® QuickConnect® Line Set and DIYPRO® Cable for a hassle-free, tool-free setup.

FEATURES:

  • DIY Installation: Tool-free, no vacuuming or special skills required.

  • DIY® QuickConnect® Line Set: Pre-charged with R-454B refrigerant for vacuum-free installation.

  • DIYPRO® Cable: Eliminates the need for electrical conduit and increases outdoor durability.

  • Wireless Control: Operate using remote, SmartHVAC app (iOS & Android), Amazon Alexa, or Google Assistant.

  • Follow Me® Function: Adjusts airflow based on the remote’s location for precise comfort.

  • Dry Mode: Functions as a dehumidifier to improve air quality.

  • Gold Fin® Condenser: Enhanced corrosion resistance ideal for coastal environments.

  • Warranty: Limited lifetime warranty, 7-year compressor, and 5-year parts.

  • Certified Quality: Intertek listed 5031495; select models are NEEP ccASHP Listed.

These MRCOOL DIY® 5th Gen systems are designed for homeowners seeking reliable performance, smart controls, and easy installation—all without hiring a professional. Perfect for everything from single-room applications to larger zones in need of dependable heating and cooling.

GUIDE:

Brochure - Single Zone Series 

Brochure - Multi-Zone Series 

Installation Manual

Remote Manual

Warranty

Accessory Manual

SPECIFICATIONS:

6,000 BTU - DIY-06-HP-WMAH-230D25-O 
Dimensions & Weight
Dimensions 31.57 W" x 7.44 D" x 11.69 H"
Mount Type Wall
Weight 24.47 lbs
Capacity & Performance
Cooling Capacity 6,000 BTU
Heating Capacity 6,000 BTU
Coverage Area up to 200 sq ft.
Electrical Requirements
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker Coming Soon
Min Circuit Ampacity Coming Soon
Refrigerant & Piping
Refrigerant Type R-454B
Liquid Line Size 1/4"
Suction Line Size 3/8"
Features
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
Certifications UL Listed, ETL Listed, 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.

 

9,000 BTU - DIY-09-HP-WMAH-115D25-O |  DIY-09-HP-WMAH-230D25-O
Dimensions & Weight
Dimensions 31.57 W" x 7.44 D" x 11.69 H"
Mount Type Wall
Weight 24.91 lbs / 11.3 kg
Capacity & Performance
Cooling Capacity 9,000 BTU
EER2 14
SEER2 23.6
Heating Capacity 10,000 BTU
HSPF2-4 11.5
HSPF2-5 8.6
Coverage Area 200 - 400 sq ft.
Indoor Noise Level (Hi/Mi/Lo) 43.0/39.5/33.5/24.0/18.0 dB(A)
Number of Speeds 5
Electrical Requirements
Voltage 115V | 208/230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 15A
Min Circuit Ampacity 3A
Refrigerant & Piping
Refrigerant Type R-454B
Liquid Line Size 1/4"
Suction Line Size 3/8"
Features
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
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.

 

12,000 BTU - DIY-12-HP-WMAH-115D25-O |  DIY-12-HP-WMAH-230D25-O
Dimensions & Weight
Dimensions 31.57 W" x 7.44 D" x 11.69 H"
Mount Type Wall
Weight 24.91 lbs / 11.3 kg
Capacity & Performance
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 550 sq ft.
Indoor Noise Level (Hi/Mi/Lo) 43.0/39.5/33.5/24.0/18.0 dB(A)
Number of Speeds 5
Electrical Requirements
Voltage 115V | 208/230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 15A
Min Circuit Ampacity 3A
Refrigerant & Piping
Refrigerant Type R-454B
Liquid Line Size 1/4"
Suction Line Size 3/8"
Features
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
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.

 

18,000 BTU -  DIY-18-HP-WMAH-230D25-O
Dimensions & Weight
Dimensions 42.52 W" x 8.90 D" x 13.19 H"
Mount Type Wall
Weight 35.49 lbs / 16.1 kg
Capacity & Performance
Cooling Capacity 18,000 BTU
EER2 13.7
SEER2 22.5
Heating Capacity 18,000 BTU
HSPF2-4 11.5
HSPF2-5 8.5
Coverage Area 500 to 800 sq ft.
Indoor Noise Level (Hi/Mi/Lo) 54.5/44.5/40.5/30.5/19.0 dB(A)
Number of Speeds 5
Electrical Requirements
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 15A
Min Circuit Ampacity 3A
Refrigerant & Piping
Refrigerant Type R-454B
Liquid Line Size 1/4"
Suction Line Size 1/2"
Features
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
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.

 

24,000 BTU -  DIY-24-HP-WMAH-230D25-O
Dimensions & Weight
Dimensions 42.52 W" x 8.90 D" x 13.19 H"
Mount Type Wall
Weight 35.49 lbs / 16.1 kg
Capacity & Performance
Cooling Capacity 23,000 BTU
EER2 12.7
SEER2 22.7
Heating Capacity 23,000 BTU
HSPF2-4 9.5
HSPF2-5 7.1
Coverage Area 750 to 1,000 sq ft.
Indoor Noise Level (Hi/Mi/Lo) 54.0/48.0/43.0/33.5/20.0 dB(A)
Number of Speeds 5
Electrical Requirements
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 15A
Min Circuit Ampacity 3A
Refrigerant & Piping
Refrigerant Type R-454B
Liquid Line Size 3/8"
Suction Line Size 5/8"
Features
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
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.

 

36,000 BTU -  DIY-36-HP-WMAH-230D25-O
Dimensions & Weight
Dimensions 49.57 W" x 11.10 D" x 14.25 H"
Mount Type Wall
Weight 48.729 lbs / 22.1 kg
Capacity & Performance
Cooling Capacity 36,000 BTU
EER2 8.5
SEER2 18
Heating Capacity 36,000 BTU
HSPF2-4 8.5
HSPF2-5 6.5
Coverage Area 1,000 to 1,500 sq ft.
Indoor Noise Level (Hi/Mi/Lo) 55.5/49.5/43.5/38.0/27.5 dB(A)
Number of Speeds 5
Electrical Requirements
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 15A
Min Circuit Ampacity 3A
Refrigerant & Piping
Refrigerant Type R-454B
Liquid Line Size 3/8"
Suction Line Size 5/8"
Features
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
Certifications UL Listed, ETL Listed, 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.