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DIY-18-HP-WM-230D25-O-1
MRCOOL DIY® 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V
$2,509.00 - $3,958.00$3,694.43 - $5,026.66
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- ❄️ Free Shipping & No Tax!
- 🚚 Ships in 1-5 Business Days
- 🛠️ Easy DIY Install — No Special Tools Required
- ⚡ Energy Star® Efficient Heating & Cooling
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- Description
- Best Price Guarantee!
- Why Buy From Us
Description
Complete 5th Gen 18,000 BTU Single Zone Mini Split System
Upgrade your heating and cooling with the MRCOOL DIY® 5th Gen 18,000 BTU Single Zone Mini Split Complete System, built for straightforward DIY installation and reliable year-round comfort. This system is designed to heat and cool spaces from 500 to 750 sq. ft. and includes a pre-charged 25 ft. line set, indoor air handler, and outdoor condenser, everything needed for a standard single-zone install.
Easy DIY Installation — No Special Tools Required
The MRCOOL DIY® system is engineered for homeowners who want full control over installation without hiring an HVAC technician.
- DIY® QuickConnect® Line Set – Pre-charged with R-454B refrigerant for vacuum-free installation
- No Vacuum Pump or Gauges Needed – Designed specifically for DIY installs
- DIYPRO® Cable – Armored communication cable eliminates the need for conduit
- Clear Installation Instructions – Step-by-step guide included
Key Features & Practical Benefits
Energy-Efficient Performance with R-454B Refrigerant
- R-454B Refrigerant - Uses a lower-GWP refrigerant that replaces R-410A while maintaining efficient heating and cooling performance.
- ENERGY STAR® Certified - Meets ENERGY STAR efficiency standards to help reduce overall energy usage.
- Lower Global Warming Potential (GWP) - Designed to reduce environmental impact compared to previous-generation refrigerants.
- Inverter-Driven Compressor - Adjusts output based on demand to maintain consistent temperatures and reduce energy consumption.
Smart Control Options Built In
- SmartHVAC App (iOS & Android) - Allows system control from a smartphone, including temperature and operating modes.
- Amazon Alexa & Google Assistant Compatibility - Enables hands-free voice control when connected to supported smart home devices.
- Wireless Remote Control - Provides direct control of temperature, fan speed, and operating modes.
- Follow Me® Mode - Uses the remote’s built-in temperature sensor to regulate comfort based on the remote’s location.
- Dry Mode - Reduces indoor humidity while maintaining comfortable room conditions.
Built for Long-Term Reliability
- Gold Fin® Condenser Coating - Helps protect against corrosion, including exposure to moisture and salt air.
- Ultra-Quiet Operation - Designed for low sound levels, making it suitable for bedrooms and living spaces.
- ETL Listed (Intertek 5031495) - Independently tested to meet recognized safety and performance standards.
Warranty Coverage
- Limited Lifetime Compressor Warranty - Coverage applies to the compressor under qualifying conditions.
- 7-Year Compressor Warranty - Standard long-term coverage for compressor components.
- 5-Year Parts Warranty - Covers eligible internal parts for the stated period.
What's Included
Everything you need is included with your product.
- Indoor Air Handler
- Outdoor Condenser
- Pre-Charged QuickConnect® Line Set
- Communication Wire
- Wall Sleeve
- Remote Control
- DIY Installation Materials
Frequently Asked Questions
Is this a complete ductless mini split system?
Yes. This system includes both the indoor air handler and outdoor condenser, along with a pre-charged line set for installation.
Does this really install without an HVAC technician?
Yes. It’s designed specifically for DIY installation and does not require refrigerant handling or vacuum equipment.
What size room is this system best for?
It’s ideal for bedrooms, offices, and living spaces up to 500-750 sq. ft.
Does it provide both heating and cooling?
Yes. This ductless mini split functions as a heat pump, delivering both air conditioning and heat.
Best Price Guarantee!
Best Price Guarantee
You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower!
We love to chat! Give us a call and we'll see what we can do to get you the best deal!
Conditions of our 100% Price Match Guarantee:
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Contact us to discuss the Price Match so we can look up the competitors price
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Buy one, get one free offers and Rebates are not eligible
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The item must be in stock on the competitors website
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The competitor must be an online store, not a retail location
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The website can't be a discounter or auction website ( such as eBay, overstock, etc.)
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The company must be an Authorized Retailer of the product in question
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The Price Match Guarantee is based on the final price of the product including shipping and taxes
Why Buy From Us
Why Buy From Wild Oak Trail?
We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.
We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!
We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.
Thanks for supporting our family and being part of the Wild Oak Trail community!