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)

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)
The MRCOOL® 5th Generation 18K BTU Advantage Mini-Split delivers powerful, energy-efficient heating and cooling for spaces up to 800 sq. ft. Ideal for larger rooms, open layouts, or multi-use area. This system includes a sleek, WiFi-enabled indoor air handler and a high-performance outdoor condenser. With eco-friendly R-454B refrigerant, smart controls, and quiet operation, the Advantage Bundle offers reliable year-round comfort with a professional-grade finish.
Features:
- Powerful Whole-Room Coverage: Effectively heats and cools areas up to 800 sq. ft.—suitable for large master bedrooms, studio apartments, or rec rooms
- Smart Home Ready: Built-in Wi-Fi connectivity allows control via the MRCOOL® Smart HVAC Controller® app, Amazon Alexa, or Google Assistant for hands-free operation.
- Efficient & Eco-Friendly: Operates with R-454B refrigerant, which offers ~80% lower Global Warming Potential (GWP) than previous generations, helping reduce environmental impact.
- High Efficiency Ratings: Achieves a SEER2 rating of 19.2 and an HSPF2-4 rating of 9.3 for efficient year-round climate control with lower utility costs.
- Quiet Comfort: Designed for low-noise operation to ensure a peaceful environment, even in large living areas or shared spaces.
- Gold Fin® Protection: Outdoor condenser is coated with corrosion-resistant Gold Fin®—ideal for coastal regions or harsh weather conditions,
- Follow Me® Technology: The included remote features MRCOOL’s Follow Me® function, which senses temperature at your location for more personalized comfort.
- Built-In Safety & Diagnostics: Features advanced functions like refrigerant leakage detection and timer mode for added protection and convenience.
- Low Ambient Cooling: Reliable operation even in temperatures as low as 5°F, making it suitable for year-round use, including server rooms or greenhouses.
- Certified Performance: AHRI certified, NEEP ccASHP listed, and CEE Tier 1 - North qualified to meet high standards of performance and efficiency.
- Complete Installation Kit: Includes a 16 ft. line set for a streamlined setup by professionals.
- Warranty Coverage: Comes with a 1-year warranty on parts and remote, a 2-year compressor warranty, and eligibility for the MRCOOL® Care Program, which includes a Limited Lifetime warranty upon enrollment.
- HVAC Pro Installation Required: This is not a DIY unit—must be installed by a licensed HVAC technician for optimal safety and warranty eligibility.
| Air Handler Model | A-18-HP-WMAH-230D-O |
| Air Handler Net Dimension (WxDxH) | 37.99 x 8.46 x 12.56 inch |
| Air Handler noise level (Turbo/Hi/Mi/Lo/Si) | 50.5/45/36/24/19 |
| Air Handler Minimum Circuit (Disconnect) | 3.0 A |
| Air Handler Maximum Fuse (Breaker) | 15.0 A |
| Air Handler Net/Gross Weight | 24.47/32.63 Lbs |
| Condenser Model | A-18-HP-C-230D-O |
| Condenser Net Dimension (WxDxH) | 31.69 x 12.99 x 21.81 inch |
| Condenser noise level (Hi) | 56 dB (A) |
| Condenser Minimum Circuit (Disconnect) | 15.0 A |
| Condenser Maximum Fuse (Breaker) | 20.0 A |
| Condenser Net/Gross Weight | 72.31/78.48 Lbs |
| Cooling Capacity | 18000 BTU/h |
| SEER2 | 19.2 BTU/w |
| EER2 | 10.8 BTU/w |
| Heating Capacity | 18800 BTU/h |
| HSPF2-4 | 9.3 BTU/h |
| HSPF2-5 | 7.5 BTU/h |
| Max Coverage Area* | Up to 800 |
| Power Supply | 208-230V-60Hz. 1Ph |
| †Refrigerant R-454B | 40.57 |
| Piping Size Liquid side/Gas side | 1/4”-1/2" |
| Brochure |
| Install Manual |
| Performance Data |
| Remote Manual |
| Service Manual |
| Warranty |
| Accessory Manual |
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The MRCOOL® 5th Generation 18K BTU Advantage Mini-Split delivers powerful, energy-efficient heating and cooling for spaces up to 800 sq. ft. Ideal for larger rooms, open layouts, or multi-use area. This system includes a sleek, WiFi-enabled indoor air handler and a high-performance outdoor condenser. With eco-friendly R-454B refrigerant, smart controls, and quiet operation, the Advantage Bundle offers reliable year-round comfort with a professional-grade finish.
Features:
- Powerful Whole-Room Coverage: Effectively heats and cools areas up to 800 sq. ft.—suitable for large master bedrooms, studio apartments, or rec rooms
- Smart Home Ready: Built-in Wi-Fi connectivity allows control via the MRCOOL® Smart HVAC Controller® app, Amazon Alexa, or Google Assistant for hands-free operation.
- Efficient & Eco-Friendly: Operates with R-454B refrigerant, which offers ~80% lower Global Warming Potential (GWP) than previous generations, helping reduce environmental impact.
- High Efficiency Ratings: Achieves a SEER2 rating of 19.2 and an HSPF2-4 rating of 9.3 for efficient year-round climate control with lower utility costs.
- Quiet Comfort: Designed for low-noise operation to ensure a peaceful environment, even in large living areas or shared spaces.
- Gold Fin® Protection: Outdoor condenser is coated with corrosion-resistant Gold Fin®—ideal for coastal regions or harsh weather conditions,
- Follow Me® Technology: The included remote features MRCOOL’s Follow Me® function, which senses temperature at your location for more personalized comfort.
- Built-In Safety & Diagnostics: Features advanced functions like refrigerant leakage detection and timer mode for added protection and convenience.
- Low Ambient Cooling: Reliable operation even in temperatures as low as 5°F, making it suitable for year-round use, including server rooms or greenhouses.
- Certified Performance: AHRI certified, NEEP ccASHP listed, and CEE Tier 1 - North qualified to meet high standards of performance and efficiency.
- Complete Installation Kit: Includes a 16 ft. line set for a streamlined setup by professionals.
- Warranty Coverage: Comes with a 1-year warranty on parts and remote, a 2-year compressor warranty, and eligibility for the MRCOOL® Care Program, which includes a Limited Lifetime warranty upon enrollment.
- HVAC Pro Installation Required: This is not a DIY unit—must be installed by a licensed HVAC technician for optimal safety and warranty eligibility.
| Air Handler Model | A-18-HP-WMAH-230D-O |
| Air Handler Net Dimension (WxDxH) | 37.99 x 8.46 x 12.56 inch |
| Air Handler noise level (Turbo/Hi/Mi/Lo/Si) | 50.5/45/36/24/19 |
| Air Handler Minimum Circuit (Disconnect) | 3.0 A |
| Air Handler Maximum Fuse (Breaker) | 15.0 A |
| Air Handler Net/Gross Weight | 24.47/32.63 Lbs |
| Condenser Model | A-18-HP-C-230D-O |
| Condenser Net Dimension (WxDxH) | 31.69 x 12.99 x 21.81 inch |
| Condenser noise level (Hi) | 56 dB (A) |
| Condenser Minimum Circuit (Disconnect) | 15.0 A |
| Condenser Maximum Fuse (Breaker) | 20.0 A |
| Condenser Net/Gross Weight | 72.31/78.48 Lbs |
| Cooling Capacity | 18000 BTU/h |
| SEER2 | 19.2 BTU/w |
| EER2 | 10.8 BTU/w |
| Heating Capacity | 18800 BTU/h |
| HSPF2-4 | 9.3 BTU/h |
| HSPF2-5 | 7.5 BTU/h |
| Max Coverage Area* | Up to 800 |
| Power Supply | 208-230V-60Hz. 1Ph |
| †Refrigerant R-454B | 40.57 |
| Piping Size Liquid side/Gas side | 1/4”-1/2" |
| Brochure |
| Install Manual |
| Performance Data |
| Remote Manual |
| Service Manual |
| Warranty |
| Accessory Manual |
















