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MRCOOL DIY® 5th Gen E Star Single Zone Mini Split Condenser with 25 ft. DIY Quick Connect Line Set - 9K to 36K BTU

MRCOOL DIY® 5th Gen E Star Single Zone Mini Split Condenser with 25 ft. DIY Quick Connect Line Set - 9K to 36K BTU

by MRCOOL
SKU DIY-09-HP-C-115D25-O
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MRCOOL DIY® 5th Gen E Star Single Zone Mini Split Condenser with 25 ft. DIY Quick Connect Line Set - 9K to 36K BTU 

OPTIONS:  

BTU SKU  Square Feet
9,000 BTU DIY-09-HP-C-115D25-O 180 - 375 Sq. Ft.
12,000 BTU DIY-12-HP-C-115D25-O 376 - 500 Sq. Ft.
18,000 BTU DIY-18-HP-C-230D25-O 501 - 750 Sq. Ft.
24,000 BTU DIY-24-HP-C-230D25-O 751 - 1,000 Sq. Ft.
36,000 BTU DIY-36-HP-C-230D25-O 1,001 - 1,500 Sq. Ft.

Enjoy year-round comfort with the MRCOOL® DIY® 5th Gen Single Zone Mini Split Condensers—the ultimate do-it-yourself solution for reliable heating and cooling. Available in 9K, 12K, 18K, 24K, and 36K BTU variants, each system is designed for easy installation, exceptional energy efficiency, and smart control compatibility. Perfect for spaces ranging from 200 to 1,500 sq. ft., these units come with a pre-charged 25 ft. QuickConnect® line set and a rugged DIYPRO® cable for a fast, tool-free setup.

With voice control support, a corrosion-resistant Gold Fin® Condenser, and an industry-leading warranty, MRCOOL® DIY systems deliver advanced climate control without professional installation costs.

FEATURES:

  • True DIY Installation
    Tool-free setup with no special skills required. Perfect for first-time installers.

  • Pre-Charged QuickConnect® Line Set
    Includes a 25 ft. line set pre-charged with eco-friendly R-454B refrigerant—no vacuuming needed.

  • DIYPRO® Cable
    Durable alternative to traditional conduit. Built to resist weather, wildlife, and outdoor hazards.

  • Gold Fin® Condenser
    Provides superior corrosion resistance—ideal for coastal and humid environments.

  • Smart Climate Control
    Use the included remote, SmartHVAC® app (iOS & Android), or voice commands via Amazon Alexa and Google Assistant.

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

  • Auto Mode & Timer
    Maintains your desired temperature with energy-efficient control.

  • Auto Restart & Anti-Mildew Function
    Automatically restores settings after power outages and reduces condensation buildup.

  • Certified Quality & Safety
    Intertek listed (5031495) and NEEP ccASHP Listed for select models.

  • Outstanding Warranty
    Limited Lifetime Warranty on select components, 7-Year Compressor Warranty, and 5-Year Parts Warranty.

Whether you're outfitting a small bedroom or a large living area, MRCOOL® DIY® 5th Gen Mini Split Condensers offer powerful, flexible, and smart solutions for your heating and cooling needs—all without needing to hire a professional.

GUIDE: 

Brochure 

Installation Manual

Remote Manual

Warranty

Accessory Manual

SPECIFICATIONS:

9,000 BTU - DIY-09-HP-C-115D25-O 
Dimensions & Weight
Dimensions 30.12 W" x 11.93 D" x 21.85 H"
Weight 65.48 lbs / 29.7 kg
Capacity & Performance
Zone Capacity 1
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 - 350 sq ft.
Outdoor Noise Level 54 dB(A)
Electrical Requirements
Voltage 115V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 20A
Min Circuit Ampacity 18A
Refrigerant & Piping
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
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
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-C-115D25-O 
Dimensions & Weight
Dimensions 30.12 W" x 11.93 D" x 21.85 H"
Weight 65.48 lbs / 29.7 kg
Capacity & Performance
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)
Electrical Requirements
Voltage 115V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 20A
Min Circuit Ampacity 18A
Refrigerant & Piping
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
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
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-C-230D25-O
Dimensions & Weight
Dimensions 35.04 W" x 13.46 D" x 26.50 H"
Weight 93.48 lbs / 42.4 kg
Capacity & Performance
Zone Capacity 1
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 750 sq ft.
Outdoor Noise Level 58.5 dB(A)
Electrical Requirements
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 20A
Min Circuit Ampacity 18A
Refrigerant & Piping
Refrigerant Type R-454B
Refrigerant Volume 44.80 oz
Liquid Line Size 1/4"
Suction Line Size 1/2"
Max Line Set Length 98.4 ft.
Features
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
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-18-HP-C-230D25-O
Dimensions & Weight
Dimensions 37.24 W" x 16.14 D" x 31.89 H"
Weight 112.8 lbs / 55.7 kg
Capacity & Performance
Zone Capacity 1
Cooling Capacity 24,000 BTU
EER2 12.7
SEER2 22.7
Heating Capacity 24,000 BTU
HSPF2-4 9.6
HSPF2-5 7.1
Coverage Area 750 to 1,000 sq ft.
Outdoor Noise Level 58.5 dB(A)
Electrical Requirements
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 25A
Min Circuit Ampacity 24A
Refrigerant & Piping
Refrigerant Type R-454B
Refrigerant Volume 67.37 oz
Liquid Line Size 3/8"
Suction Line Size 5/8"
Max Line Set Length 164 ft.
Features
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
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-C-230D25-O
Dimensions & Weight
Dimensions 37.24 W" x 16.14 D" x 31.89 H"
Weight 152.12 lbs / 69 kg
Capacity & Performance
Zone Capacity 1
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.
Outdoor Noise Level 60.5 dB(A)
Electrical Requirements
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 35A
Min Circuit Ampacity 33A
Refrigerant & Piping
Refrigerant Type R-454B
Refrigerant Volume 109.70 oz
Liquid Line Size 3/8"
Suction Line Size 5/8"
Max Line Set Length 213.2 ft.
Features
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
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.