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)

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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)

Name: 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)
Brand: MRCOOL
SKU: A-12-HP-230D-O
Price: 979.0 USD
Availability: InStock
Rating: 4.82 (40 reviews)

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SKU: A-12-HP-230D-O

$979.00 $1,179.00

Save 17%

Voltage:

115V 115V
230V 230V

BTUs

9K 9K
12K 12K
18K 18K
24K 24K
36K 36K

Estimated delivery:

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30-Day Return Policy⁺

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The MRCOOL® 5th Generation 12K BTU Advantage Mini-Split delivers powerful, energy-efficient heating and cooling for spaces up to 500 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 Coverage: Effectively heats and cools areas up to 500 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 21.3 and an HSPF2-4 rating of 9.1 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.

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 1/4”-3/8”

Brochure

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	Up to 375 Sq. ft
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.

*Shipping Policy

Shipping is Free
Large appliances ship via Freight Curbside shipment. Meaning the carrier will drop off your item on your property not inside your home. The courier company will call ahead of time to schedule a drop off date
For the full details, visit our Shipping Page

⁺Return/Refund Policy

30-Day Return Policy
If your order arrives damaged, we will exchange you for a new one. Damage must be reported within 24 hours.
For more details, visit our Return Policy Page

Browse MRCOOL Products

Decent Company

I ordered a HVAC system and it arrived in a timely manner and with no apparent issues. I thought the system was defective once installed but it was the installers fault who wired it wrong. My only issue would be the fee (30% I believe) to return a defective item within the 30 day return policy. If it is defective the customer shouldn't have to pay a fee to return an item that is not operating as designed. Other than that this is a good company.

Pretty Easy Install and Works Great!

Installed my own central HP system. It was a bit of work but nothing beyond a person with basic mechanical and electrical skills. It took me a while because I had to remove the existing electric forced air furnace from a pretty tight place. Some custom sheet metal work and a bit of custom electrical too. Worked perfectly when powered up and I actually like the thermostat provided, although I wish it was clearer how to set up a temperature set-back schedule. Pre-charged refrigerant piping was something new and I liked that too. The best thing is that my electric utility forked out $4,000 and that paid for the unit!