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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.

Manual

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