The MRCOOL® Hyper Heat 18K Single Zone DIY Mini Split Bundle (230V) — MRD-DIYHH18-WM18-25 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
- DIYHH-18-HP-C-230D25-O – Hyper Heat 18K Outdoor Condenser (R-454B)
- DIY25-1412 – 25ft Pre-Charged QuickConnect® Line Set
- R-454B low-GWP refrigerant
- 25 ft factory-charged QuickConnect® line set
- Energy Star & AHRI Certified
- Gold Fin® outdoor corrosion protection
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
Specifications
- DIYHH-18-HP-C-230D25-O – Hyper Heat 18K Outdoor Condenser (R-454B)
- DIY25-1412 – 25ft Pre-Charged QuickConnect® Line Set
- 21.2 SEER2 cooling / 11 HSPF2 heating
- R-454B low-GWP refrigerant
- 25 ft factory-charged QuickConnect® line set
- Tonnage: 1.5 Ton
- SEER2: 21.2
- EER2: 12.5
- HSPF2-4: 11
- HSPF2-5: 8.5
- CFM: 1765.8
- Voltage: 208/230V
- Phase: 1
- Cycle: 60Hz
- Max Fuse Breaker: 25A
- Min Circuit Ampacity: 19A
- Refrigerant: R-454B
- Line Set Included: Yes
- Line Set Length: 25 ft
- Max Line Set Length: 75 ft
- Liquid Line: 1/4 in
- Suction Line: 1/2 in
- Condenser dB: 58 dBA
- Max Fuse Breaker: 15
- R-454B Low-GWP Refrigerant — future-proof vs older R-410A.
- Higher SEER2 Efficiency — lower energy bills & better comfort.
- What BTU size do I need?
Warranty Information
- Warranty
- What is the warranty?
- 7-Year Compressor Replacement Warranty
- 5-Year Parts Warranty
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.
