About Us Contact Us Shipping Easy Returns Privacy Terms of Service Happy Customers Solar System Size Calculator
Skip to content
MRCOOL DIY 5th Gen E Star 12,000 BTU Single Zone Mini Split Complete System 115V with 25 ft. DIY Quick Connect Line Set and DIYPRO Cable, DIY-12-HP-WM-115D25-O Mini Split MRCOOL

MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Complete System with 25ft. Line Set 115V | System Set

BY: MRCOOL | SKU: DIY-12-HP-WM-115D25-O | SS Availability: In Stock
$2,621.00
$2,359.00
You Save: $262.00

Notify me when back in stock

Found a Better Price?

Share it with us now and we will beat it. Get the best deal online - Guaranteed!

Call/Text Us: 877-556-3347
Live Chat With an Expert

  • Authorized MRCOOL Dealer

    Full manufacturer warranty included

  • Free Shipping + No Sales Tax (Most States)

    More savings on every purchase

  • Easy 30-Day Returns & Price Beat Guarantee

    Risk-free shopping + best price guaranteed

  • Lifetime Expert Support

    Dedicated help whenever you need it

Estimated Delivery Between

and .

Order within to get it by the earliest date.

MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Complete System with 25ft. Line Set 115V | System Set

The MRCOOL DIY 5th Gen 12K BTU Mini Split is the perfect solution for efficient and reliable heating and cooling in smaller spaces. Designed for single-zone applications, this unit combines advanced inverter technology, Energy Star certification, and convenient smart features for effortless comfort. Its pre-charged Quick Connect line set makes DIY installation simple and tool-free, saving time and money without sacrificing 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 12K BTU Single Zone Mini Split Features

DC Inverter Technology

Efficiently adjusts power output for consistent temperatures while reducing energy consumption.

Rotary Compressor

Durable and reliable design ensures long-lasting operation with minimal noise.

Quiet Mode

Keeps indoor operation whisper-quiet, making it ideal for bedrooms, offices, or living rooms.

Wi-Fi Compatibility

Control your comfort from anywhere using the MRCOOL app, compatible with iOS and Android devices.

Auto Cool Function

Automatically adjusts settings to maintain a comfortable environment without manual input.

Remote Control Included

Easily manage your unit with the included wireless remote for added convenience.

Placeholder Image

MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Applications

  • Bedroom – quiet operation for restful sleep.
  • Home office – reliable temperature control for focused work.
  • Living room – efficient comfort for family gatherings.
  • Small apartments – perfect fit for compact living spaces.

What's Included

Everything you need is included with your product.

  • Outdoor condenser
  • Indoor air handler
  • 25 ft. line set
  • Remote control
  • User Manual

Warranty

  • 7 Years Compressor
  • 5 Years Parts

MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Specifications

Dimensions & Weight

Specifications 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

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

Electrical Requirements

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

Refrigerant & Piping

Specifications 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

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

Does this system come pre-charged?

Yes, the MRCOOL DIY 5th Gen system includes a pre-charged Quick Connect line set, eliminating the need for special HVAC tools or handling refrigerant.

Can I install this system myself?

Yes, this unit is designed for DIY installation. However, it’s important to follow all instructions in the manual carefully to ensure proper setup.

What size room will this cover?

The 12K BTU model is best suited for spaces ranging from 350 to 500 sq. ft., such as bedrooms, offices, or small apartments.

Is it compatible with smart home devices?

Yes, the system includes Wi-Fi compatibility and works with the MRCOOL app for iOS and Android.