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MRCOOL DIY | 5th Generation 18k BTU Heat Pump Mini Split – Complete System (454B Refrigerant)

$2,036.30
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Description

5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V, DIY-18-HP-WM-230D25-O

Smart Comfort. DIY Installation. High Efficiency.

Upgrade your indoor comfort with the 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V, DIY-18-HP-WM-230D25-O—a powerful, Energy Star® certified system designed for do-it-yourself installation. Perfect for spaces between 500 and 750 sq. ft., this all-in-one HVAC solution delivers year-round heating and cooling without the cost or complexity of hiring a contractor.

Backed by advanced features, durable components, and an eco-conscious design, this system ensures high-efficiency performance, quiet operation, and long-term reliability for your home or workspace.

Top Benefits

True DIY Installation

  • No vacuuming or special tools required.

  • Comes with a 25 ft. pre-charged QuickConnect® line set and DIYPRO® cable for a fast, safe, and simple setup.

Eco-Friendly R-454B Refrigerant

  • Lower Global Warming Potential (GWP) than traditional refrigerants like R-410A.

  • Reduces environmental impact while boosting system efficiency.

Smart Climate Control

  • Control temperature settings remotely via the SmartHVAC app, included wireless remote, or voice commands using Amazon Alexa or Google Assistant.

  • Stay comfortable and connected from anywhere.

Adaptive Comfort with Follow Me Function

  • Automatically adjusts airflow and temperature based on the remote’s location.

  • Keeps your room evenly comfortable, wherever you are.

Quiet and Efficient

  • Whisper-quiet operation and Energy Star® certification ensure optimal energy savings and minimal noise.

  • Ideal for bedrooms, offices, or living spaces where peace and comfort matter most.

What’s Included

  • 18K BTU Condenser
  • 18K BTU Air Handler
  • 25 ft. Line Set + DIY Pro Cable
  • Remote Control

Specification

Dimensions & Weight
Condenser Dimensions 35.04 W” x 13.46 D” x 26.50 H”
Air Handler Dimensions 42.52 W” x 8.90 D” x 13.19 H”
Condenser Weight 93.48 lbs / 42.4 kg
Air Handler Weight 35.49 lbs / 16.1 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)
Indoor Noise Level (Hi/Mi/Lo) 54.5/44.5/40.5/30.5/19.0 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.

Manual and Downloads

Install Manual
Remote Manual
Warranty Document

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