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MRCOOL DIY 5th Gen E Star 9,000 BTU Single Zone Mini Split Complete System 115V with 25 ft. DIY Quick Connect Line Set and DIYPRO Cable, DIY-09-HP-WM-115D25-O Mini Split MRCOOL

MRCOOL DIY 5th Gen E Star 9K BTU Single Zone Mini Split Complete System with 25ft. Line Set 115V | System Set

BY: MRCOOL | SKU: DIY-09-HP-WM-115D25-O | SS Availability: In Stock
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MRCOOL DIY 5th Gen E Star 9K BTU Single Zone Mini Split Complete System with 25ft. Line Set 115V | System Set

The MRCOOL DIY 5th Gen E Star 9,000 BTU Single Zone Mini Split offers a perfect blend of energy efficiency, quiet performance, and true DIY-friendly installation. With a 25 ft. pre-charged Quick Connect line set and the included DIYPRO cable, homeowners can confidently install the system without special tools or HVAC experience. Ideal for rooms up to 375 sq ft, this Energy Star Certified system provides both heating and cooling year-round with smart control features and top-tier 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 9K BTU Single Zone Mini Split Complete System with 25ft. Line Set 115V Features

True DIY Installation

Includes a 25 ft. pre-charged Quick Connect line set and DIYPRO cable, making it easy for homeowners to install without a vacuum pump or HVAC license.

Energy Star Certified

Built for energy-conscious homeowners, this unit meets ENERGY STAR® efficiency standards, helping to reduce utility costs.

Ideal for Small Spaces

9,000 BTU output is perfect for rooms between 180–375 sq ft, such as bedrooms, offices, or dens.

Smart Home Ready

Full integration with Amazon Alexa, Google Assistant, and the SmartHVAC app provides convenient voice and mobile control.

Follow Me Remote Function

The remote control monitors your position and adjusts the system for personalized comfort wherever you are in the room.

Low Ambient Heating & Cooling

Performs in outdoor temperatures as low as 5°F, keeping your space comfortable year-round.

Quiet Operation & Easy Maintenance

Engineered for low-noise output with washable filters and built-in diagnostics for simple upkeep.

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MRCOOL DIY 5th Gen E Star 9K BTU Single Zone Mini Split Complete System with 25ft. Line Set 115V Applications

  • Bedrooms – Provides quiet, efficient climate control for a restful environment.
  • Home Offices – Maintain productivity with quiet operation and personalized comfort.
  • Small Living Rooms or Studios – Compact yet powerful system for smaller living spaces.
  • Guest Rooms – Allows independent climate control for visiting friends or family.
  • Detached Sheds or Cabins – Bring heating and cooling to off-grid or converted spaces.
  • Tiny Homes – A smart and efficient HVAC solution for compact living areas.

What's Included

Everything you need is included with your product.

  • 9,000 BTU E Star Air Handler
  • 9,000 BTU E Star Condenser
  • 25 ft. Pre-Charged DIY Quick Connect Line Set
  • DIYPRO Communication Cable
  • Remote Control
  • Mounting & Installation Accessories
  • Installation Manual

Warranty

  • Compressor Warranty – 2 Years
  • Parts Warranty – 1 Year

MRCOOL DIY 5th Gen E Star 9K BTU Single Zone Mini Split Complete System with 25ft. Line Set 115V Specifications

Dimensions & Weight

Specification 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

Specification Details
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)
Indoor Noise Level (Hi/Mi/Lo) 43.0/39.5/33.5/24.0/18.0 dB(A)

Electrical Requirements

Specification Details
Voltage 115V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 20A
Min Circuit Ampacity 18A

Refrigerant & Piping

Specification 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

Specification 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

Specification 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

Is this model really suitable for DIY installation?

Yes. It’s specifically engineered for homeowners with no HVAC background. The pre-charged Quick Connect line set and DIYPRO cable make installation fast, safe, and tool-free.

What room size is best for this 9K BTU unit?

This system is ideal for areas between 180–375 sq ft, such as bedrooms, home offices, or compact studios.

What does ENERGY STAR® Certification mean for this unit?

The ENERGY STAR® rating signifies high efficiency, helping you save on electricity bills while maintaining reliable performance.

Does it include smart home controls?

Yes. It comes equipped with the SmartHVAC WiFi module, supporting control through the SmartHVAC app, and voice assistants like Amazon Alexa and Google Assistant.

Does this unit provide both cooling and heating?

Absolutely. This is a heat pump system, delivering both cooling in summer and heating in winter for year-round comfort.