The MRCOOL® DIY Hyper Heat 12K Complete Mini-Split System — DIYHH-12-HP-C-230D25-O Condenser + DIY-12-HP-WMAH-230D25-O Air Handler — 23.5 SEER2, 208/230V, 25ft Pre-Charged Line Set is a MRCOOL indoor air handler designed for compatible DIY mini split systems.
It delivers quiet indoor comfort, smart control compatibility, and dependable airflow for a clean ductless HVAC installation.
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
- No vacuuming, no charging, no guesswork—just connect the pre-charged QuickConnect® line set and turn it on.
- Its inverter compressor and R-454B refrigerant maintain stable output down to -22°F, eliminating the need for electric space heaters or propane.
- Remote control
- The corrosion-resistant
- 25ft Pre-Charged QuickConnect® Line Set (DIY25-1438 recommended)
- DC inverter rotary compressor
- R-454B high-pressure refrigerant
- Inverter: Yes
- Compressor: Rotary DC inverter
- Refrigerant Type: R-454B (pre-charged)
- WiFi: Yes
Perfect For
- Compatible MRCOOL DIY mini split installations
- Replacement or component-based system setups
- Residential ductless HVAC applications
Specifications
- 12,000 BTU
- 25ft Pre-Charged QuickConnect® Line Set (DIY25-1438 recommended)
- R-454B high-pressure refrigerant
- Voltage: 208/230V
- Phase: 1
- Max Coverage: 550 sq ft
- SEER2: 23.5
- HSPF2-4: 10
- HSPF2-5: 8
- EER2: 12.8
- Max Line Set Length: 75 ft
- Noise: 56.5 dB
- Breaker Size (Max Fuse): 15A
- Minimum Circuit Ampacity: 15A
- Refrigerant Type: R-454B (pre-charged)
- Breaker: 15A shared system breaker
- Q: Can I mount the air handler myself?
- Q: Do I need a separate breaker for the air handler?
- The outdoor 230V circuit powers the indoor unit.
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.
