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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.

Manual

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

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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