The MRCOOL® DIY® 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V — DIY-18-HP-WM-230D25-O is designed to provide efficient year-round comfort for residential and light commercial spaces without existing ductwork.
This MRCOOL ductless mini split solution combines heating, cooling, smart comfort control, and DIY-focused installation features in one dependable system. It is configured with 18,000 BTU 208-230V and a 25 ft. QuickConnect® line set.
Key Features
- 18,000 BTU heating and cooling capacity, based on the model configuration
- 208-230V electrical configuration
- Includes 25 ft. QuickConnect® line set when included with this bundle
- Ductless mini split design for spaces without existing ductwork
- Heating and cooling from one system
- R-454B refrigerant on 5th Gen models where specified
- DC inverter technology for efficient operation
- WiFi and app compatibility where supported
- Remote control operation
- Designed for residential comfort applications
- advanced inverter technology
- eco-friendly R-454B refrigerant
- DIY® QuickConnect® Line Set
- Pre-charged with R-454B refrigerant
- Enhances safety and durability, eliminating the need for electrical conduit while providing superior
- Eco-Friendly R-454B Refrigerant – Lower GWP, Higher Efficiency
Perfect For
- Bedrooms and master suites
- Living rooms and family rooms
- Garages and workshops
- Basements and bonus rooms
- Home additions and converted spaces
- Offices, studios, and hobby rooms
- Areas without existing ductwork
What's Included
- Condenser
- DIY-18-HP-C-230D25-O
- 25ft Pre-Charged Line Set
- DIY25-1438-O
- Air Handler.
- DIY-18-HP-WMAH-230D25-O
- Remote Control
- Communication Wire
- Wall Sleeve
- Smart Phone NOT included.
Specifications
- MRCOOL® DIY® 5th Gen 18K BTU Single Zone Mini-Split Air Handler – Powerful, Energy-Efficient Comfort for Your Home
- 5th Gen MRCOOL® DIY® 18K BTU Single Zone Mini-Split Air Handler
- eco-friendly R-454B refrigerant
- Pre-charged with R-454B refrigerant
- Eco-Friendly R-454B Refrigerant – Lower GWP, Higher Efficiency
- R-454B refrigerant
- 25ft Pre-Charged Line Set
- 18,000 BTU
- EER2
- SEER2
- HSPF2-4
- HSPF2-5
- 208-230V
- R-454B
- Next-Gen R-454B Refrigerant
- : A more environmentally friendly refrigerant with lower global warming potential (GWP), compliant with the latest HVAC regulations.
- : Improved SEER2 ratings for greater energy savings and optimized performance.
- How do I know what BTU size I need for my rooms?
- 6,000 BTU = 100 - 150 sq ft
- 9,000 BTU = 150 - 350 sq ft
- 12,000 BTU = 351- 500 sq ft
- 18,000 BTU = 501 – 750 sq ft
- 24,000 BTU = 751 – 1,000 sq ft
- 36,000 BTU = 1,001 - 1,500 sq ft
- Upgrade to the MRCOOL® DIY® 5th Gen 18K BTU Mini-Split Today!
- line sets, filled at the factory with R-454B refrigerant.
- 25 ft QuickConnect® line set (extendable)
- R-454B refrigerant pre-charged
- The Easy Pro™ uses a 16 ft Fast Connection pre-charged line set, also using R-454B.
- 5th Gen DIY 9K BTU
- 23.6 SEER2
- Easy Pro 9K BTU
- 20.2 SEER2
- Standard 25 ft
- 23.6 SEER2 efficiency or higher
- 25 ft line set flexibility
Warranty Information
- Industry-Leading Warranty – Confidence in Every Purchase
- unmatched industry warranty
- 7-Year Compressor Warranty
- 5-Year Parts Warranty
- Certifications & Warranty
- Warranty
- What is the warranty?
- The MRCOOL 5th Generation DIY Mini-Split systems offer the following warranty coverage:
Why Buy from CulinaryProfis?
CulinaryProfis is an authorized online dealer offering secure checkout, product support, and nationwide shipping throughout the contiguous United States. If you need help choosing the right MRCOOL system or accessory for your application, contact CulinaryProfis before ordering.
Frequently Asked Questions
Does this system require ductwork?
No. This is a ductless mini split system.
Does this system provide both heating and cooling?
Yes. This MRCOOL mini split system is designed to provide both heating and cooling when installed correctly.
What voltage does this model require?
This model is listed with a 208-230V electrical configuration. Always follow the manufacturer specifications and local code requirements.
Does this include the line set?
This listing indicates a 25 ft. line set configuration when included with the bundle. Please review the product title and included components before ordering.
Does this purchase include installation?
No. Installation service is not included.
Shipping Information
Free shipping is available on qualifying MRCOOL orders over $1,000 within the 48 contiguous United States. Orders ship via UPS, FedEx, freight carrier, or the most economical available provider.
Large HVAC systems are delivered by curbside service only. Carriers do not provide inside delivery, garage delivery, installation, or white glove service unless specifically stated otherwise. Tracking information is typically provided after order processing and delivery times may vary by location, inventory availability, carrier conditions, and order verification requirements.
Adult Signature Required: A person 18 years of age or older must be present to accept and sign for the delivery.
Shipping Restrictions: We do not ship to PO Boxes, Alaska, Hawaii, Puerto Rico, Guam, the U.S. Virgin Islands, the Northern Mariana Islands, Canada, or other international destinations.
Freight & Delivery Policy
Please inspect your shipment immediately upon delivery. If packaging is visibly damaged, take clear photos and note the damage with the delivery driver on the delivery receipt or Bill of Lading before accepting the shipment. If concealed damage is discovered after opening the package, contact CulinaryProfis within 24 hours and provide photographs of the damage.
Please retain all original boxes, packaging materials, documentation, accessories, and pallets until you have fully inspected and accepted your order. Orders that have already shipped and are later canceled or refused may be subject to restocking fees and applicable return freight charges.
