MRCOOL Advantage 5th Gen 12,000 BTU Single Zone Mini Split Complete System with 16 Ft. Line Set, 115V, Wall Mounted Air Handler (A-12-HP-115D-O)

The MRCOOL® 5th Generation 12K BTU, 115V, Advantage Mini-Split delivers powerful, energy-efficient heating and cooling for spaces up to 550 sq. ft. Ideal for larger rooms, open layouts, or multi-use areas, 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 550 sq. ft.—ideal for guest rooms, dens, or finished attics
• 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 21.2 and an HSPF2-4 rating of 8.7 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-12-HP-WMAH-115D-O
Air Handler Net Dimension (WxDxH)	31.57 x 7.44 x 11.69 inch
Air Handller noise level (Turbo/Hi/Mi/Lo/Si)	45.0/40.5/32.5/25.0/17.5  dB (A)
Air Handler Net/Gross Weight	19.40/25.13 Lbs
Air Handler Minimum Circuit (Disconnect)	3.0 A
Air Handler Maximum Fuse (Breaker)	15.0 A
Condenser Model	A-12-HP-C-115D-O
Condenser Net Dimension (WxDxH)	30.12 x 11.93 x 21.85
Condenser Minimum Circuit (Disconnect)	19.0 A
Condenser Maximum Fuse (Breaker)	Condenser - 20.0 A
Condenser noise level  (Hi)	54 dB(A)
Condenser Net/Gross Weight	61.29/67.02  Lbs
Cooling Capacity	12000  BTU/h
SEER2	21.2 BTU/w
EER2	10.1 BTU/w
Heating Capacity	12000 BTU/h
HSPF2-4	8.7 BTU/h
HSPF2-5	6.7  BTU/h
Max Coverage Area*	Up to 550
Power Supply	115V~ 60Hz, 1Ph
†Refrigerant R-454B	24.34
Piping Size Liquid side/Gas side	1/4”-3/8”

Brochure

Install Manual

Performance Data

Remote Manual

Service Manual

Warranty

Accessory Manual