
MRCOOL | Advantage 5th Gen 18,000 BTU Single Zone Mini Split Complete System with 16 Ft. Line Set, 230V, Wall Mounted A-18-HP-230D-O
Advantage 5th Gen 18,000 BTU Single Zone Mini Split Complete System with 16 Ft. Line Set, 230V, Wall Mounted A-18-HP-230D-O
The Advantage 5th Gen 18,000 BTU Single Zone Mini Split Complete System with 16 Ft. Line Set, 230V, Wall Mounted A-18-HP-230D-O from MRCOOL® is a compact yet powerful heating and cooling solution for spaces up to 800 sq. ft. Ideal for bedrooms, small apartments, home offices, or garages, this ductless mini split offers high energy efficiency, low noise, and convenient smart control.
With a high 19.2 SEER2 rating and 9.3 HSPF2-4, this system delivers reliable, year-round performance while helping reduce utility costs. It's also built with R-454B refrigerant, which cuts greenhouse gas emissions and offers a significantly lower environmental impact than older refrigerants.
Key Features
Energy-Efficient Performance
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18,000 BTU capacity for effective heating and cooling in small to medium spaces
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High SEER2 and HSPF2 ratings mean better energy savings and long-term value
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Low ambient cooling for consistent operation even in colder weather
Smart Control Options
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Built-in Wi-Fi connectivity for remote access using the MRCOOL® Smart HVAC Controller® App
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Fully supports Amazon Alexa and Google Assistant for hands-free voice control
Comfort-Driven Design
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Follow Me® function adjusts system operation based on the remote's location
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Includes timer mode, sleep settings, and refrigerant leakage detection
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Whisper-quiet operation for peaceful indoor environments
Built to Last
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Gold Fin® condenser resists corrosion—ideal for coastal and humid regions
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Durable design ensures long-lasting performance in any season
Simple Installation
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Comes with a 16 Ft. line set for quick setup
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Professional HVAC technician installation required
What's Included
- 18K BTU Condenser
- 18K BTU Air Handler
- 16 Ft. Install Kit
- Remote Control
Specification
Model |
Indoor Unit: A-18-HP-WMAH-230D-O Outdoor Unit: A-18-HP-C-230D-O |
Net Dimension (WxDxH) Indoor Outdoor |
37.99 x 8.46 x 12.56 inch 31.69 x 12.99 x 21.81 inch |
Cooling Capacity | 18000 BTU/h |
SEER2 |
19.2 BTU/w |
EER2 | 10.8 BTU/w |
Heating Capacity |
18800 BTU/h |
HSPF2-4 |
9.6 BTU/h |
HSPF2-5 |
7.5 BTU/h |
Max Coverage Area* |
Up to 800 |
Indoor noise level (Turbo/Hi/Mi/Lo/Si) |
50.5/45/36/24/19 |
Outdoor noise level (Hi) |
56 dB (A) |
Power Supply |
208-230V-60Hz. 1Ph |
Minimum Circuit (Disconnect) |
Indoor - 3.0 A Outdoor - 15.0 A |
Maximum Fuse (Breaker) |
Indoor - 15.0 A Outdoor - 20.0 A |
Net/Gross Weight Indoor Outdoor |
24.47/32.63 Lbs 72.31/78.48 Lbs |
†Refrigerant R-454B Piping Size Liquid side/Gas side |
40.57 |
Manual and Downloads
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We do not sell any used or refurbished items.

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