4th Gen New Release!
MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM218HPW01C22
$3,414.00
$4,267.50
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ServicesPremium Home Source has partnered exclusively with Angi to offer affordable installation and repair services nationwide!
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4th Gen New Release!
MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM218HPW01C22
This item is in stock! Estimated Arrival: Jun 03 to Jun 09
-
Free
Shipping -
30-Day
Returns* -
Authorized
Dealer -
Installation
ServicesPremium Home Source has partnered exclusively with Angi to offer affordable installation and repair services nationwide!
Learn More

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Talk with one of our trusted HVAC professionals today!
Product Overview
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DIY Installation
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Qualifies for Rebates
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Wall Mounted
- MRCOOL DIY Multi-Zone 2-Zone Condenser, 4th Gen Series, DIY-MULTI2-18HP230C
- MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-09-HP-WMAH-230C25
- MRCOOL DIY 4th Generation 12K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-12-HP-WMAH-230C25
- MRCOOL DIY 50ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation, DIY50-1412C (x2)
If all air handlers are run simultaneously, their combined BTU output will not exceed the BTU rating of the condenser. In this case, the combined BTU output of the Air Handlers will never exceed the 18K BTU Rating of the Condenser.
Condenser
- Energy Efficient. This 2 Zone condenser, when paired with select MRCOOL air handlers, is capable of producing an impressive 21 SEER efficiency rating.
- Works In All Environments. The ability to heat even when temperatures drop to -13°F.
- Lifetime Warranty. For added peace of mind, this is the only condenser on the market that comes with a limited lifetime compressor warranty. Simply register into the MRCOOL Care Program to get the lifetime warranty!
Air Handler, 9K BTU, Quantity 1
- Large Coverage Area. Handler covers an area up to 375 sq. ft.
- Versatile. Incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Easy to Control. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app.
- Convenient Installation. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate.
Air Handler, 12K BTU, Quantity 1
- Large Coverage Area. Handler covers an area up to 500 sq. ft.
- Versatile. Incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Easy to Control. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app.
- Convenient Installation. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate.
Line Set 50 ft., Quantity 2
- This 50 ft. copper line set connects the 4th Generation MRCOOL Condenser to the MR COOL Air Handlers - 9K, 12K and 18K.
- Pre-Charged. These line sets come pre-charged with the precise amount of R-410A refrigerant.
- DIY & Save Money. This means the installation process can be performed without retaining the services of a certified technician - thus saving you money!
Condenser Specifications
Product Dimensions | 35.04"W x 13.46"D x 26.50"H |
Cooling Capacity | 18,000 BTU |
Heating Capacity | 19,000 BTU |
Zone Capacity | 2 |
Cool Mode - Outdoor Operating Temperature Range | 5F ~ 122F |
Heat Mode - Outdoor Operating Temperature Range | -13F ~ 75.2F |
SEER | 21 |
EER | 12.5 |
Voltage | Requires a minimum of 208V-230V/60HZ/18-25A (please check your home meets this electrical requirement prior to purchase) |
Registered Warranty | 7 Years Replacement on Condenser, 5 Years Parts |
Air Handler 9K BTU
Product Dimensions | 31.57"W x 7.44"D x 11.69"H |
Mount Type | Wall |
Cooling Capacity | 9,000 BTU |
Heating Capacity | 9,000 BTU |
Registered Warranty |
5 Years Parts |
Modes | Auto - auto selects from Cool, Heat or Fan-Only Dry - dehumidify Cool Heat Fan Only Quiet Sleep |
Air Handler 12K BTU
Product Dimensions | 31.57"W x 7.44"D x 11.69"H |
Mount Type | Wall |
Cooling Capacity | 12,000 BTU |
Heating Capacity | 12,000 BTU |
Registered Warranty | 5 Years Parts |
Modes | Auto - auto selects from Cool, Heat or Fan-Only Dry - dehumidify Cool Heat Fan Only Quiet Sleep |
Line Set
Length | 50 Feet |
Liquid Line Size | 1/4" |
Suction Line Size | 1/2" |
Please refer to this coverage chart to determine how many BTUs are required for the area you would like to cool or heat.
Square Feet: 180-375 | BTU = 9K
Square Feet: 376-500 | BTU = 12K
Square Feet: 501-750 | BTU = 18K
Square Feet: 751-1,000 | BTU = 24K
Square Feet: 1,001-1,500 | BTU = 36K
Some additional factors may impact performance such as insulation, ceiling height and the number of appliances in the room. For assistance, contact our Sales Team.
Still need help?
Have a chat with our representative, we’ll be glad to help.

