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18k BTU 22.5 SEER2 MrCool DIY Ductless Heat Pump Split System 5th Generation - with 25 ft Line Set & 1 Year Labor Warranty


Get $100 Cash Back on Your Qualifying Purchase
- Spend over $1000 on heating and air equipment.
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The next generation of comfort is here.
With a new MrCool DIY 5th Gen Energy Star Mini-Split and complimentary 1 year Extended Labor Warranty from Ingrams.

Explore the lineup.
Certified Efficiency
Live on the coast? Don't worry, our condenser features Gold Fin condensers built to resist long term corrosion.
Louver Position Memory
The air handler's horizontal louver will automatically reset to the same position that was set the last time the unit was powered on.
SmartPhone App
Control your MRCOOL® DIY® anywhere with your Apple or Android smart device and an internet connection.
Follow Me Function
Keep the included remote close by, and MRCOOL DIY® will track the air temperature around you to ensure maximum comfort.
Operation in Extremes.
Temperature Range
Easily control the temperature of your space from your phone or with the included remote control. The temperature adapts based on where you are in the room.
24-hour Comfort
The MrCool DIY has 2, 3, 4, and 5 zone options, the best warranties in the business, even better efficiency ratings, and a new Armored Pro Cable.
DIY made easy.


No refrigerant? No problem. With our patented, pre-charged quick connect line sets you'll be able to install your MRCOOL® DIY® without needing specialized training or expensive tools.


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


Protect your Purchase
Warranty Programs
Each unit comes backed with a standard 5-year warranty on replacement parts and a 7-year warranty on the compressor. For even greater protection, upgrade to the MrCool Care Kit Program and enjoy extended limited lifetime system replacement —because long-term comfort shouldn’t come with surprises. And when you purchase through IWAE, you get an additional 1-year extended labor warranty included at no extra cost, giving you even more value and coverage from day one.
Limited Warranty


New! Courtesy of Ingrams Water & Air, this 5th Generation MrCool DIY Mini Split comes with a complimentary 1 Year Extended Labor Warranty, with up to 6 additional years available as an upgrade for a total of 7 years warranty on labor.
Install an HVAC system yourself? It sounds impossible, but the 5th Generation MrCool DIY Mini Split 18k BTU 22.5 SEER2 Ductless Heat Pump & AC System is made for just that. The system is easily installed without any experience or special tools or equipment. The included air handler is capable of heating or cooling between 750-900 square feet.
The included pre-charged 25-foot DIY Quick Connect line set not only makes installation easy, but also safe and cost-saving. The line set is pre-charged with R-454B refrigerant, a more environmentally friendly and chlorine-free option. Since it is pre-charged, there is no need for vacuuming. Also included is the DIYPRO cable. With this cable, an electrical conduit is no longer necessary during installation. The DIYPRO cable ensures durability and mechanical protection from animals, yardwork tools, and weather, so you can enjoy the 5th Generation MrCool DIY Mini Split 18k BTU 22.5 SEER2 Ductless Heat Pump & AC System for a long time.
You have ultimate control of the 5th Generation MrCool DIY Mini Split 18k BTU 22.5 SEER2 Ductless Heat Pump & AC System. You can utilize the included remote, the SmartHVAC app on your Apple or Android device, or you can go completely hands free by using your Amazon Alexa or Google Assistant.
Live on the coast with corrosive salt water? No worries here. The heat pump has a Gold Fin Condenser that is strong enough to resist corrosion. The innovative technology will give the system a long lifespan no matter what region you reside.
You are able to utilize the many modes and functions the 5th Generation MrCool DIY Mini Split 18k BTU 22.5 SEER2 Ductless Heat Pump & AC System has to offer in order to create your most desirable environment. With the Timer function, you can limit energy use and save money by allowing the heat or air conditioning to run for a specified amount of time. The Auto mode will allow you to set your preferred temperature and the system will work to maintain it without any further adjustment on your part. After a power outage, the system will automatically return to its previous settings once power is restored. The anti-mildew function prevents the accumulation of mold and mildew by eliminating excess condensation in the air handler.
Backed by the best warranty in the industry, the MrCool DIY Ductless Mini Split now boasts a limited lifetime warranty. This is in addition to the standard 7-year compressor warranty and 5-year parts warranty. These warranties provide peace of mind when purchasing.
Model | DIY-18-HP-WM-230D25-O |
---|---|
UPC | 840255588553 |
AHRI Number | 216032545 |
Configuration | Wall Mounted |
Bundle Avg Coverage Area | 750 - 900 Sq Ft |
Bundle Cooling Capacity | 1.5 Ton |
Bundle Cooling Efficiency (SEER2) | 22.5 |
Heat Pump Efficiency (HSPF2) | 11.5 |
Series | DIY |
Zones | 1 |
Popular Applications | Game Room, Garage, Guest Room, Man Cave, Server Room, Sunroom |
Region Compatibility | Nationwide |
California Residents | see Prop 65 WARNING |
DIY-18-HP-C-230D25-O Specifications:
Model | DIY-18-HP-C-230D25-O |
---|---|
UPC | 840255586962 |
AHRI Number | 216032545 |
Product Height (in) | 26.5 |
Avg Coverage Area | 750 - 900 Sq Ft |
Product Length (in) | 13.46 |
Compressor | Inverter |
Product Width (in) | 35.04 |
Cooling Capacity | 1.5 Ton |
Electrical Phase | 1-Phase |
Line Set Connection Type | Quick Connect |
Liquid Line Size | 1/4 inch |
Max Overcurrent Protection | 20 amps |
Weight (lbs) | 114.200000 |
Refrigerant | R-454b |
Cooling Efficiency (SEER2) | 22.5 |
Series | DIY |
Suction Line Size | 1/2 inch |
System Application Type | Ductless Split Systems |
Voltage | 240 |
Warranty | 5 Year Parts, 7 Year Compressor |
Region Compatibility | Nationwide |
DIY-18-HP-WMAH-230D25-O Specifications:
Model | DIY-18-HP-WMAH-230D25-O |
---|---|
UPC | 840255587044 |
Product Height (in) | 13.19 |
Configuration | Wall Mounted |
Product Length (in) | 8.9 |
Air Flow Direction | Horizontal |
Product Width (in) | 42.52 |
Blower Motor | Variable Speed |
Cooling Capacity | 1.5 Ton |
Electrical Phase | 1-Phase |
Line Set Connection Type | Quick Connect |
Liquid Line Size | 1/4 inch |
Max Overcurrent Protection | 20 amps |
Weight (lbs) | 54.010000 |
Refrigerant | R-454b |
Series | DIY |
Suction Line Size | 1/2 inch |
System Application Type | Ductless Split Systems |
Voltage | 240 |
Warranty | 5 Year Parts, 7 Year Compressor |
DMS1Y4+000125 Specifications:
Weight (lbs) | 0.000000 |
---|---|
Model | DMS1Y4+000125 |