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)
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.
Product Specifications
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) Product Specifications
| 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" |
Product Manual
Product Warranty
MRCOOL Limited Lifetime Warranty
LIMITATIONS OF WARRANTIES
Q1 How do I register my warranty?
Answer: Go to here to file your warranty.
Q2 How do I find the AHRI number of my unit?
Answer: You can find links to the AHRI certificates on the documentation page at mrcool.com/documentation.
Q3 What BTU rating should I choose for my air handler?
- This depends on the coverage area/room size you are trying to heat/cool
- An Air Handler's BTU is how powerful the fan is. A higher BTU rating will be able to heat/cool a larger area
| Air Handler BTU | Coverage Area/Room Size (Sq Ft.)* |
| 9K BTU |
|
| 12K BTU | Up to 500 Sq. ft |
| 18K BTU | Up to 750 Sq. ft |
| 24k BTU | Up to 1000 Sq. ft |
| 36k BTU | Up to 1500 Sq. ft |
*Ceiling height, insulation, and local climate may impact the coverage area. For example, an uninsulated room will require more power than a well insulated room.
Original: $1,180.00
-65%$1,180.00
$413.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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)
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.
Product Specifications
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) Product Specifications
| 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" |
Product Manual
Product Warranty
MRCOOL Limited Lifetime Warranty
LIMITATIONS OF WARRANTIES
Q1 How do I register my warranty?
Answer: Go to here to file your warranty.
Q2 How do I find the AHRI number of my unit?
Answer: You can find links to the AHRI certificates on the documentation page at mrcool.com/documentation.
Q3 What BTU rating should I choose for my air handler?
- This depends on the coverage area/room size you are trying to heat/cool
- An Air Handler's BTU is how powerful the fan is. A higher BTU rating will be able to heat/cool a larger area
| Air Handler BTU | Coverage Area/Room Size (Sq Ft.)* |
| 9K BTU |
|
| 12K BTU | Up to 500 Sq. ft |
| 18K BTU | Up to 750 Sq. ft |
| 24k BTU | Up to 1000 Sq. ft |
| 36k BTU | Up to 1500 Sq. ft |
*Ceiling height, insulation, and local climate may impact the coverage area. For example, an uninsulated room will require more power than a well insulated room.
