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

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

The MRCOOL DIY 5th Gen E-Star 9,000 BTU Single-Zone Mini Split Complete System with 25 ft. Line Set (115 V) is a compact and energy-efficient heating and cooling solution designed for single-room applications. This complete package includes the indoor wall-mounted air handler, outdoor condenser, a 25-foot pre-charged QuickConnect® line set, DIYPRO® communication cable, remote control, mounting hardware, and all necessary installation accessories. It is engineered specifically for homeowners, allowing installation without specialized HVAC tools, refrigerant handling, or professional licensing.

With a cooling capacity of 9,000 BTU and a heating capacity of 10,000 BTU, this system is ideal for smaller areas such as bedrooms, home offices, studios, or guest rooms. It is Energy Star certified, offering efficient operation while utilizing an inverter-driven rotary compressor and eco-friendly R-454B refrigerant. These features help maintain comfortable temperatures year-round while reducing overall energy consumption.

User convenience is a key focus of this system. It supports WiFi connectivity and can be controlled through a mobile app or voice assistants like Amazon Alexa and Google Assistant. The “Follow Me” function on the remote provides more personalized comfort by sensing temperature from the user’s location in the room. Indoor operation is noticeably quiet, making it suitable for environments where low noise levels are important.

Durability features include a corrosion-resistant Gold Fin® coating on the outdoor condenser and a robust, pre-charged line set capable of supporting extended installation distances. Overall, this mini split offers an efficient, quiet, and DIY-friendly climate control solution that delivers reliable year-round 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.

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.

Specifications

Dimensions & Weight

Capacity & Performance

Electrical Requirements

Refrigerant & Piping

Features

Certifications & Warranty

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

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.

Manual

• MRCOOL DIY 5th Gen E Star 9,000 BTU Complete System Manual