The MRCOOL® 5th Gen 18K BTU Hyper Heat DIY Condenser (R-454B Heats to –22°F QuickConnect) — DIYHH-18-HP-C-230D25-O is a MRCOOL outdoor condenser designed for compatible DIY mini split installations.
Built for efficient heating and cooling performance, this unit is intended to pair with approved MRCOOL indoor components and QuickConnect® installation accessories.
Key Features
- Compatible MRCOOL DIY system component
- Designed for ductless mini split installations
- Built for efficient heating and cooling performance
- Pairs with approved MRCOOL components and accessories
- Genuine MRCOOL equipment
- MRCOOL® DIYHH-18-HP-C-230D25-O — 5th Gen 18K BTU Hyper Heat DIY Condenser (R-454B | Heats to –22°F | QuickConnect)
- factory-charged R-454B QuickConnect®
- Cleaner, quieter inverter operation
- Smarter, Quieter, More Efficient
- The 5th Gen inverter controls compressor output to maintain steady living conditions without loud cycling or temperature swings.
- 25 ft pre-charged R-454B
- QuickConnect®
- Energy Star® certified
- R-454B next-gen refrigerant (way lower GWP than R-410A)
- 25 ft pre-charged QuickConnect® line set
- DIYPRO® cable protects electrical from pests & weather (comes with indoor unit)
Perfect For
- Compatible MRCOOL DIY mini split installations
- Replacement or component-based system setups
- Residential ductless HVAC applications
What's Included
- MRCOOL DIYHH-18-HP-C-230D25-O Hyper Heat Condenser
- 25 ft pre-charged R-454B
- QuickConnect®
- line set (DIY25-1412)
- Installation hardware
- No vacuuming or refrigerant tools required.
- Compatible Indoor Units
- DIY-18-HP-WMAH-230D25-O Wall Mount Air Handler
- DIYCASSETTE18HP-230D25-O OuttaSight® Ceiling Cassette
- Both connect instantly using
- sealed fittings.
Specifications
- MRCOOL® DIYHH-18-HP-C-230D25-O — 5th Gen 18K BTU Hyper Heat DIY Condenser (R-454B | Heats to –22°F | QuickConnect)
- 18K BTU Hyper Heat DIY
- factory-charged R-454B QuickConnect®
- If you want the best 18,000 BTU DIY mini split for cold climates, you’re looking at it.
- 25 ft pre-charged R-454B
- 21.2 SEER2 high efficiency
- 11 HSPF2 heating
- R-454B next-gen refrigerant (way lower GWP than R-410A)
- 25 ft pre-charged QuickConnect® line set
- 208/230V
- R-454B
- 25 ft QuickConnect®
- You only need a licensed electrician to connect 230V safely.
- What size space does 18K BTU cover?
Warranty Information
- Warranty That Crushes Every Other DIY claimed Brand
- 7-Year Compressor Warranty
- 5-Year Parts Warranty
- Every unit ships factory sealed, brand new, full manufacturer warranty, and eligible for extended protection.
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
Is this a genuine MRCOOL item?
Yes. This listing is for a MRCOOL product or accessory intended for compatible MRCOOL applications.
How do I confirm compatibility?
Check your MRCOOL model number and installation requirements before ordering, or contact CulinaryProfis for help matching the correct item.
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.
