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

MRCOOL DIY 5th Gen E Star 18K BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V | System Set

BY: MRCOOL | SKU: DIY-18-HP-WM-230D25-O | SS Availability: In Stock
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MRCOOL DIY 5th Gen E Star 18K BTU Single Zone Mini Split Complete System with 25 ft. Line Set 230V | System Set

The MRCOOL DIY 5th Gen E Star 18K BTU Mini Split is designed for efficient, reliable heating and cooling in medium-sized spaces. With inverter technology, Energy Star certification, and advanced smart controls, this system ensures year-round comfort with low energy consumption. Its Quick Connect pre-charged line set allows for simplified DIY installation without special HVAC tools or certification, making it ideal for homeowners who want professional-grade performance with a hassle-free setup.

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 18K BTU Single Zone Mini Split Complete System with 25 ft. Line Set 230V Features

High-Efficiency Performance

Achieve up to 22.5 SEER2 and 13.7 EER2, delivering reliable cooling and heating while keeping energy bills low.

Powerful Heating & Cooling

With 18,000 BTU cooling and 18,000 BTU heating capacity, this system is built to keep your home comfortable in all seasons.

Smart Control Compatibility

Easily control your system from anywhere with built-in WiFi, iOS, and Android app compatibility. Voice control works with Alexa and Google Assistant.

Quiet Operation

Indoor noise levels as low as 19 dB(A) ensure whisper-quiet comfort, perfect for bedrooms, living rooms, or offices.

DIY Installation Made Simple

Includes a 25 ft. pre-charged R-454B line set, allowing homeowners to complete installation without needing HVAC tools or certification.

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MRCOOL DIY 5th Gen E Star 18K BTU Single Zone Mini Split Complete System with 25 ft. Line Set 230V Applications

  • Bedrooms – whisper-quiet comfort for a perfect night’s sleep
  • Living rooms – reliable heating and cooling for shared family spaces
  • Home offices – maintain comfort while working without disruptive noise
  • Basements & dens – efficient climate control for enclosed areas
  • Apartments & condos – ideal for medium-sized living spaces up to 750 sq. ft.

What's Included

Everything you need is included with your product.

  • Condenser
  • Air Handler
  • 25 ft. Line Set
  • Remote control
  • DIYPro cable
  • User Manual

Warranty

  • 7 Years Compressor
  • 5 Years Parts

MRCOOL Hyper Heat 48K Condenser Specifications

Dimensions & Weight

Specifications Details
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

Specifications Details
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

Specifications Details
Voltage 208-230V
Phase 1
Cycle 60 Hz
Max Fuse Breaker 20A
Min Circuit Ampacity 18A

Refrigerant & Piping

Specifications Details
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

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

Can I install this system myself?

Yes! This unit is specifically designed for DIY installation with its pre-charged Quick Connect line set. No HVAC tools or certification are needed.

Does this unit work in cold climates?

Yes. The MRCOOL DIY 5th Gen system uses advanced inverter technology and R-454B refrigerant, providing reliable performance even in colder conditions.

Is WiFi control included?

Yes. The system works with the MRCOOL app, as well as Alexa and Google Assistant, giving you full smart home compatibility.