MRCOOL DIY 18k BTU 22.5 SEER2 Ductless Mini Split AC & Heat Pump 5th Generation – Energy Star 230v with 1 YR Labor Warranty by IWAE

July 4, 2025

Price: $2,909.00
(as of Jul 04, 2025 16:39:05 UTC – Details)

Product Description

About MRCOOL

The MRCOOL DIY’s are the cutting edge of what modern fabrication can produce. These air conditioners deliver high efficiency air comfort anywhere you need it.

MrCool DIY Ductless Heat Pump Split System 5th Generation R-454B

9K, 12K, & 18K Mini Split Systems

The 5th Generation MrCool DIY Ductless Heat Pump Single Zone Mini-Split Air Handler and Condenser are powerful solutions for heating and cooling your home. Designed for straightforward install, you don’t need specialized tools or professional help. The Gold Fin Condenser in the outdoor unit offers corrosion resistance, especially beneficial in coastal environments. Enjoy smart features, easy install, and year-round comfort with the MrCool 5th Gen DIY.

If you do not feel comfortable performing this installation process, we recommend you contact a licensed electrician to make sure your unit is properly powered

R-454B

New Refrigerant

Due to its lower pressure level and lower environmental impact, R454B exhibits a superior coefficient of performance and capacity.

Easy DIY Installation

Quick Connect Line Set

Pre-charged line sets allow you to install this innovative ductless system without special tools, equipment, or training.

Leakage Detection

Protecting Your Investment

When the MrCool DIY detects low coolant an alarm will sound to alert you to the problem. This will prevent expensive damage to the compressor while you maintain high air comfort.

DIYPRO Armored Cable

DIY Your Unit

Future-proof your investment with the included DIYPro cable, eliminating the need for electrical conduit.

Comfort During Extremes

Operating from -4 to 122 Degrees Fahrenheit

Heat or cool your space in every season. Your home, server room, greenhouse, or wherever you installed your unit will stay the temperature you want with the MrCool DIY 5th Gen.

Auto Restart

Never Lift a Finger

Power outage? No worries, the MrCool DIY auto restart will pick up where it left off when power is restored.

SPECIAL OFFER

1 Year Labor and Repair Coverage.

FOLLOW ME FUNCTION

Keep the included remote close by, and MrCool DIY will track the air temperature around you to ensure maximum comfort.

SMARTPHONE APP

Control your MrCool DIY anywhere with your Apple or Android smart device and an internet connection.

DIGITAL ASSISTANT READY

The MRCOOL Smart HVAC Controller Module and App fully support Google Assistant & Amazon Alexa out of the box.

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Customer Reviews

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Price

$2,309.00$2,309.00 $2,339.00$2,339.00 $2,909.00$2,909.00 $3,329.00$3,329.00 $3,749.00$3,749.00

Cooling Capacity
9000 BTU 12000 BTU 18000 BTU 23000 BTU 36000 BTU

Heating Capacity
18000 BTU 12000 BTU 18000 BTU 23000 BTU 36000 BTU

SEER2
23.6 23.5 22.5 22.7 18

HSPF2-4
11.5 10.2 11.5 9.5 8.5

Coverage Area
Up to 400 ft Up to 550 ft Up to 800 ft Up to 1050 ft Up to 1550 ft

Condenser Net Weight
83.11 lbs 83.11 lbs 93.48 lbs 122.80 lbs 152.12 lbs

Indoor Unit Net Weight
24.91 lbs 24.91 lbs 35.49 lbs 35.93 lbs 48.72 lbs

Energy Star Version 6.1

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Line Set Length
25 ft 25 ft 25 ft 25 ft 25 ft

EFFICIENCY RATINGS: Features impressive 23.6 SEER2 cooling efficiency and 11.5 HSPF2 heating performance for superior energy performance in all seasons.
COOLING CAPACITY: 9,000 BTU system provides optimal cooling and heating for spaces under 500 square feet, perfect for rooms like garages, sunrooms, or guest rooms.
VERSATILE APPLICATIONS: Ideal for multiple room types including game rooms, server rooms, man caves, and sunrooms with nationwide region compatibility.
COMPLETE SYSTEM: Includes both indoor and outdoor units, 25-foot line set, and comprehensive installation components for a full DIY setup.
WARRANTY COVERAGE: Comes with 1-year labor warranty included, provided by IWAE