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DIYS-18-HP-230A11-O
MRCOOL DIY® Select 18K BTU Single Zone Mini Split Heat Pump 230V
$1,690.00 - $1,990.00
✅ Authorized Dealer for MRCOOL®
Availability: In Stock. Secure Your Order TODAY!
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SKU: DIYS-18-HP-230A11-O
- ❄️ 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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Chat, Call, or Text a Specialist
Found a better price? We will match or beat it! 1-844-945-3625
- Description
- Best Price Guarantee!
- Why Buy From Us
Description
High-Capacity Climate Control for Larger Spaces
Take on larger heating and cooling projects without the massive expense of professional HVAC installation. The MRCOOL DIY Select 18K 230V Mini Split delivers robust, commercial-grade performance designed specifically for the residential DIYer. Built to efficiently regulate temperatures in spacious areas up to 800 square feet, this high-capacity system bypasses the need for specialized tools, vacuum pumps, or expensive technician fees thanks to its factory-sealed, 11.5-foot Quick Connect® line set.
Whether you are finishing a massive two-car garage, renovating a large basement, or trying to bring year-round comfort to an open-concept living area, this powerful 18000 BTU DIY Mini Split Heat Pump provides heavy-duty 230V performance alongside smart integrations, whisper-quiet operation, and eco-friendly R-454B refrigerant.
Select Your Finish: Classic White or Bold Black
Gone are the days when you had to settle for a bulky, mismatched appliance on your wall. The DIY Select 18K comes in two distinct color variations so you can match the unit to your room's exact aesthetic. Both options feature the exact same high-powered internal hardware and specs, only the exterior shell differs:
Standard White Air Handler
The classic, clean look that has defined residential mini-splits for decades. It seamlessly disappears against light-colored walls in living rooms, basements, and large bedrooms.
Modern Black Air Handler
A striking, sophisticated design that looks incredibly sharp and intentional. It is the perfect focal point for modern home gyms, industrial-style workshops, and contemporary man caves.
The Power of the Quick Connect® System
The barrier to entry for most mini-splits is the refrigerant handling, a process that requires professional tools and training to prevent system failure.
The DIY Select series eliminates that hurdle entirely. The included 11.5-foot line set comes pre-charged with refrigerant and features patented Quick Connect® fittings. You simply bolt the indoor and outdoor units into place, route the line set, and securely tighten the fittings with basic wrenches. Additionally, this streamlined 11.5-foot length prevents the unsightly "spaghetti coil" of excess tubing on the side of your home that often plagues systems packaged with generic 16-foot or 25-foot lines.
Key Features & Benefits
- No HVAC Technician Needed: True DIY installation powered by the factory pre-charged 11.5 ft Quick Connect® line set.
- Built for Large Rooms: The 18,000 BTU capacity offers enough power to efficiently heat and cool open spaces up to 800 sq. ft.
- Heavy-Duty 230V Power: Operates on a standard 230V electrical circuit, providing higher-capacity performance for demanding climates.
- Energy Bill Savings: Highly efficient operation reaching 17.3 SEER2 (cooling) and 8.5 HSPF2-4 (heating).
- Next-Gen Refrigerant: Loaded with R-454B, an environmentally conscious refrigerant designed for future-ready performance.
- Wi-Fi & Voice Control: Manage your climate from anywhere with the MRCOOL® Comfort App, or integrate it with Amazon Alexa and Google Assistant for total voice control.
- Quiet Operation: The indoor air handler features multiple fan speeds, operating as quietly as 18.5 dB(A) on its lowest setting.
Technical Specifications
- System Type: Single Zone Mini Split Heat Pump
- Cooling / Heating Capacity: 18,000 BTU / 18,000 BTU
- Coverage Area: Up to 800 sq. ft.
- Power Supply: 230V, 60Hz, 1 Phase
- Efficiency: 17.3 SEER2 / 8.5 HSPF2-4
- Refrigerant: R-454B
- Indoor Noise Level: 46.5 / 43 / 36.5 / 30 / 18.5 dB(A)
- Outdoor Noise Level: 55 dB(A)
- Warranty: 2-Year Compressor / 1-Year Parts / 1-Year Remote
Electrical Note: Always size your electrical circuit based on the outdoor condenser specifications and follow all local electrical codes. If you are unsure about running a 230V circuit, consult a licensed electrician.
Have Questions? Chat, Call, or Text a Specialist Found a better price? We'll match or beat it! 1-844-945-3625
Frequently Asked Questions
Does the 18K model run on standard household power?
Unlike the smaller 9K and 12K models, the MRCOOL DIY Select 18K requires a 230V electrical circuit to support its higher capacity. You will need a dedicated 230V breaker in your electrical panel.
Are there any performance differences between the White and Black models?
No. The difference between the two models is 100% cosmetic. Both the White and Black air handlers house the exact same 18,000 BTU hardware, boast the same 17.3 SEER2 efficiency, and cover the same square footage.
How large of a space can the 18,000 BTU system handle?
The 18K system is engineered for larger spaces, effectively heating and cooling areas up to 800 square feet. It is highly recommended for large two-car garages, finished basements, and spacious open-concept living rooms.
Is the installation process the same as the smaller DIY models?
Yes. Despite its larger size and higher voltage, the MRCOOL DIY Select 18K still utilizes the same foolproof 11.5-foot Quick Connect® pre-charged line set, allowing you to bypass the need for a vacuum pump or professional refrigerant handling.
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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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!