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Get $100 Cash Back on Your Qualifying Purchase
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Contact an expert now.
The next generation of comfort is here.
With a new MrCool DIY 5th Gen Multi-Zone Mini-Split. Our patented MRCOOL® Series heat pump is the only ductless mini-split system on the market specifically designed for amateur installation.
Customize Your Comfort
Choose Your System Size
Select the outdoor condenser that matches your home’s square footage and zone needs. The all-new MrCool DIY Multi-zone goes up to 6 zones to meet your home’s needs.
Easy DIY® installation
Leakage Detection
DIY Pro® Cable
Match Each Zone to Your Ideal Air Handler
Choose a wall-mounted, ceiling-mounted, or the all-new DIY Hybrid Central Ducted air handler to create a multi-zone system built around your home and your needs.
Smartphone App
Low Ambient Cooling*
Easy Quick Connect
Explore the lineup.
SmartPhone App
Control your MRCOOL® DIY® anywhere with your Apple or Android smart device and an internet connection.
® DIY® Anywhere and manage
App Available in Apple & Android
Follow Me Function
Keep the included remote close by, and MRCOOL DIY® will track the air temperature around you to ensure maximum comfort.
Tracks temperature around you for personalized comfort.
Auto Restart
Multi-Zone Solutions
Individual Rooms?
Individual Results.
Each zone can choose settings that won’t influence the others
Every air handler can use the Follow Me feature for maximum comfort
The MrCool DIY has 2, 3, 4, 5 and 6 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.
The ends use proprietary Quick Connect® Threaded fittings that seal tight without needing brazing or soldering.
Made to be secure, lead-free, and DIY-safe - even for first-timers
U.S. patented technology that sets MRCOOL apart in the ductless market.

Future-proof your investment with the included DIYPro® cable, eliminating the need for electrical conduit.
Armored metal casing protects your electrical connection from damage, pests, and the elements.
Especially useful in garages, basements, sheds, or exterior walls where exposure is a concern.
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 an extended limited lifetime replacement warranty—because long-term comfort shouldn’t come with surprises.

Maintaining a comfortable temperature in your home during the sweltering summer heat or the frigid winter weather doesn’t have to depend on a hope and a prayer. With the MrCool DIY Multi Zone Mini Split 36k BTU 2 Zone Ductless AC & Heat Pump - 5th Generation - R454B set up in your home, you and your loved ones can enjoy any kind of comfort you can dream of. Covered by AHRI and Energy Star certifications, on top of ETL and UL listings, this MrCool Mini Split underwent rigorous third-party evaluations to showcase the integrity of every operational, efficiency, and safety claim. Giving you total control over your 1500 to 1800 square foot space, this 36k BTU MrCool AC & Heat Pump makes sure you can always enjoy your ideal temperatures within your home.
Putting the ability to handle the setup process directly into your capable hands, the MrCool DIY Multi Zone Mini Split 36k BTU 2 Zone Ductless AC & Heat Pump - 5th Generation - R454B is a truly do-it-yourself option that eliminates the need to bring in an outside hire. Sporting gold fin condensers that help combat corrosion, this MrCool Heat Pump can effectively function at full capacity even in corrosive environments along the coast or near industrial plants. Designed to work with the DIYPro armored cable and the quick connect DIY line sets that streamline hooking up the indoor and outdoor units, this MrCool AC & Heat Pump can be up and running in your space as quickly as you can handle the installation.
Maximizing your comfort from every angle, the MrCool DIY Multi Zone Mini Split 36k BTU 2 Zone Ductless AC & Heat Pump - 5th Generation - R454B makes sure you have all the tools you need to cater your climate well within your reach. Both air handlers can handle its zone with the Follow Me function, an inclusion that monitors the temperature in the vicinity of the remote control using the built-in sensors then adjusts the airflow strength, direction, and speed as needed to accomplish your preferred settings. With this automatic adjustment option working in tandem with the smartphone app that puts your settings in the palm of your hand, this MrCool Mini Split is more than equipped to give you the results you’ve been looking for.
Covering this impressive system with a warranty that includes 5 years on parts and 7 years on the compressor, with the ability to extend the compressor’s coverage to a limited lifetime once after enrolling in the MrCool Care Program, there’s no reason to hesitate any longer. Grab this 5th Generation 36k BTU MrCool DIY Multi Zone Ductless Mini Split AC & Heat Pump system with two air handlers and their own precharged line sets using energy-efficient R454B refrigerant today.
| Model | DIYM236HPW06D |
|---|---|
| AHRI Number | 216032592 |
| Bundle Avg Coverage Area | 1,500 - 1,800 Sq Ft |
| Bundle Cooling Capacity | 3 Ton |
| Bundle Cooling Efficiency (SEER2) | 23 |
| Heat Pump Efficiency (HSPF2) | 9.9 |
| Series | DIY |
| Region Compatibility | Nationwide |
| California Residents | see Prop 65 WARNING |
DIY-MULTI5-36HP230D-O Specifications:
| Model | DIY-MULTI5-36HP230D-O |
|---|---|
| UPC | 840255587464 |
| AHRI Number | 216032592 |
| Product Height (in) | 31.2 |
| Avg Coverage Area | 1,500 - 1,800 Sq Ft |
| Product Length (in) | 16.1 |
| Compressor | Inverter |
| Product Width (in) | 37.2 |
| Cooling Capacity | 3 Ton |
| Electrical Phase | 1-Phase |
| Heat Pump Efficiency (HSPF2) | 9.9 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Max Overcurrent Protection | 30 amps |
| Weight (lbs) | 169.200000 |
| Primary Heating Capacity | 35,001 - 40,000 BTU |
| Refrigerant | R-454b |
| Cooling Efficiency (SEER2) | 23 |
| Series | DIY |
| Suction Line Size | 3/8 inch |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | 5 Year Parts, 7 Year Compressor |
| Region Compatibility | Nationwide |
DIY-12-HP-WMAH-230D25-O Specifications:
| Model | DIY-12-HP-WMAH-230D25-O |
|---|---|
| UPC | 840255587037 |
| Product Height (in) | 11.7 |
| Configuration | Wall Mounted |
| Product Length (in) | 7.4 |
| Air Flow Direction | Horizontal |
| Product Width (in) | 31.6 |
| Blower Motor | Variable Speed |
| Cooling Capacity | 1 Ton |
| Electrical Phase | 1-Phase |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 24.500000 |
| Refrigerant | R-454b |
| Series | DIY |
| Special Features | Alexa, Google Assistant, WiFi Capable |
| Suction Line Size | 3/8 inch |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | Lifetime, 5 Year Parts, 7 Year Compressor |
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 |
DIYCASSETTE18HP-230D25-O Specifications:
| Model | DIYCASSETTE18HP-230D25-O |
|---|---|
| UPC | 840255587525 |
| Product Height (in) | 8.9 |
| Configuration | Ceiling Mounted |
| Product Length (in) | 13.2 |
| Air Flow Direction | Downflow |
| Product Width (in) | 50.3 |
| 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 |
| Weight (lbs) | 45.000000 |
| Refrigerant | R-454b |
| Series | DIY |
| Special Features | Alexa, Google Assistant, WiFi Capable |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | Lifetime, 5 Year Parts, 7 Year Compressor |
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 |
DIYCASSETTE18HP-230D25-O Specifications:
| Model | DIYCASSETTE18HP-230D25-O |
|---|---|
| UPC | 840255587525 |
| Product Height (in) | 8.9 |
| Configuration | Ceiling Mounted |
| Product Length (in) | 13.2 |
| Air Flow Direction | Downflow |
| Product Width (in) | 50.3 |
| 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 |
| Weight (lbs) | 45.000000 |
| Refrigerant | R-454b |
| Series | DIY |
| Special Features | Alexa, Google Assistant, WiFi Capable |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | Lifetime, 5 Year Parts, 7 Year Compressor |
DIY-24-HP-WMAH-230D25-O Specifications:
| Model | DIY-24-HP-WMAH-230D25-O |
|---|---|
| UPC | 840255587051 |
| 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 | 2 Ton |
| Electrical Phase | 1-Phase |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 3/8 inch |
| Max Overcurrent Protection | 25 amps |
| Weight (lbs) | 54.670000 |
| Refrigerant | R-454b |
| Series | DIY |
| Suction Line Size | 5/8 inch |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | 5 Year Parts, 7 Year Compressor |
DIY16-1438-O Specifications:
| Model | DIY16-1438-O |
|---|---|
| UPC | 840255589154 |
| Product Length (in) | 192 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 7.900000 |
| Suction Line Size | 3/8 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY16-1412-O Specifications:
| Model | DIY16-1412-O |
|---|---|
| UPC | 840255587075 |
| Product Length (in) | 192 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 13.000000 |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY25-1438-O Specifications:
| Model | DIY25-1438-O |
|---|---|
| UPC | 840255589161 |
| Product Length (in) | 300 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 10.400000 |
| Suction Line Size | 3/8 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY25-1412-O Specifications:
| Model | DIY25-1412-O |
|---|---|
| UPC | 840255587099 |
| Product Length (in) | 300 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 17.000000 |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY35-1438C-O Specifications:
| Model | DIY35-1438C-O |
|---|---|
| UPC | 840255589185 |
| Product Length (in) | 420 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 17.600000 |
| Suction Line Size | 3/8 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY35-1412C-O Specifications:
| Model | DIY35-1412C-O |
|---|---|
| UPC | 840255587136 |
| Product Length (in) | 420 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 23.000000 |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY50-1438C-O Specifications:
| Model | DIY50-1438C-O |
|---|---|
| UPC | 840255589192 |
| Product Height (in) | 36.5 |
| Product Width (in) | 35.5 |
| Product Length (in) | 600 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 24.000000 |
| Suction Line Size | 3/8 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY50-1412C-O Specifications:
| Model | DIY50-1412C-O |
|---|---|
| UPC | 840255587150 |
| Product Length (in) | 600 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 33.000000 |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY16-1412-O Specifications:
| Model | DIY16-1412-O |
|---|---|
| UPC | 840255587075 |
| Product Length (in) | 192 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 13.000000 |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY16-3858-O Specifications:
| Model | DIY16-3858-O |
|---|---|
| UPC | 840255587082 |
| Product Length (in) | 192 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 3/8 inch |
| Weight (lbs) | 19.000000 |
| Suction Line Size | 5/8 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY25-1412-O Specifications:
| Model | DIY25-1412-O |
|---|---|
| UPC | 840255587099 |
| Product Length (in) | 300 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 17.000000 |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY25-3858-O Specifications:
| Model | DIY25-3858-O |
|---|---|
| UPC | 840255587112 |
| Product Length (in) | 300 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 3/8 inch |
| Weight (lbs) | 19.000000 |
| Suction Line Size | 5/8 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY35-1412C-O Specifications:
| Model | DIY35-1412C-O |
|---|---|
| UPC | 840255587136 |
| Product Length (in) | 420 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 23.000000 |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY35-3858C-O Specifications:
| Model | DIY35-3858C-O |
|---|---|
| UPC | 840255587143 |
| Product Length (in) | 420 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 3/8 inch |
| Weight (lbs) | 23.000000 |
| Suction Line Size | 5/8 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY50-1412C-O Specifications:
| Model | DIY50-1412C-O |
|---|---|
| UPC | 840255587150 |
| Product Length (in) | 600 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Weight (lbs) | 33.000000 |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |
DIY50-3858C-O Specifications:
| Model | DIY50-3858C-O |
|---|---|
| UPC | 840255587167 |
| Product Length (in) | 600 |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 3/8 inch |
| Weight (lbs) | 37.000000 |
| Suction Line Size | 5/8 inch |
| System Application Type | Ductless Split Systems |
| Warranty | None |




