
MRCOOL | Advantage 5th Gen 12,000 BTU Single Zone Mini Split Complete System with 16 Ft. Line Set, 230V, Wall Mounted A-12-HP-230D-O
Advantage 5th Gen 12,000 BTU Single Zone Mini Split Complete System with 16 Ft. Line Set, 230V, Wall Mounted A-12-HP-230D-O
The Advantage 5th Gen 12,000 BTU Single Zone Mini Split Complete System with 16 Ft. Line Set, 230V, Wall Mounted A-12-HP-230D-O from MRCOOL® delivers reliable, efficient heating and cooling for spaces up to 550 sq. ft. It's the perfect solution for bedrooms, offices, studios, or any area needing focused climate control without the complexity of ductwork.
With an impressive 21.2 SEER2 rating and 8.7 HSPF2-4, this system offers quiet, cost-effective comfort all year long. It also uses R-454B refrigerant, which reduces environmental impact with lower emissions and improved energy efficiency.
Key Features
High-Efficiency Operation
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12,000 BTU capacity—ideal for compact rooms and small living spaces
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21.2 SEER2 / 8.7 HSPF2-4 energy ratings for optimal performance
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Low ambient cooling for dependable operation in all seasons
Smart Climate Control
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Built-in Wi-Fi for remote control via the MRCOOL® Smart HVAC Controller® App
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Supports Amazon Alexa and Google Assistant voice commands
Enhanced Comfort & Functionality
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Follow Me® function adjusts temperature based on where the remote is located
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Includes timer mode, refrigerant leak detection, and more
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Quiet operation ensures a peaceful indoor environment
Durability & Design
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Gold Fin® condenser resists corrosion—ideal for coastal and humid locations
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Sleek, modern wall-mounted unit fits seamlessly into any space
Easy Installation
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Comes with a 16 Ft. line set for simplified setup
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Installation must be performed by a licensed HVAC technician
What's Included
- 12K BTU Condenser
- 12K BTU Air Handler
- 16 Ft. Install Kit
- Remote Control
Specification
Model |
Indoor Unit: A-12-HP-WMAH-230D-O Outdoor Unit: A-12-HP-C-230D-O |
Net Dimension (WxDxH) Indoor Outdoor |
31.57 x 7.44 x 11.69 inch 30.12 x 11.93 x 21.85 inch |
Cooling Capacity | 12000 BTU/h |
SEER2 |
21.3 BTU/w |
EER2 | 10.8 BTU/w |
Heating Capacity |
12000 BTU/h |
HSPF2-4 |
9.1 BTU/h |
HSPF2-5 |
7.0 BTU/h |
Max Coverage Area* |
Up to 550 |
Indoor noise level (Turbo/Hi/Mi/Lo/Si) |
44.0/38.0/32.0/22.5/21 |
Outdoor noise level (Hi) |
54 dB (A) |
Power Supply |
208-230V-60Hz. 1Ph |
Minimum Circuit (Disconnect) |
Indoor - 3.0 A Outdoor - 13.0 A |
Maximum Fuse (Breaker) |
Indoor - 15.0 A Outdoor - 15.0 A |
Net/Gross Weight Indoor Outdoor |
19.40/25.13 Lbs 59.08/64.37 Lbs |
†Refrigerant R-454B Piping Size Liquid side/Gas side |
24.69 |
Manual and Downloads
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We do not sell any used or refurbished items.

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