MRCOOL DIY 4th Generation Mini Split
Model Number: DIY-12-HP-WM-230C25
The king of DIY mini splits. MRCOOL's 4th Gen features pre-charged line sets with quick-connect fittings that require no HVAC tools or vacuum pump. True homeowner installation in under 4 hours.
Technical Specifications
22
SEER2
10
HSPF2
1
Zone
Noise Levels
Key Features
Pre-charged quick-connect line sets
No vacuum pump needed
No HVAC tools required
Built-in Wi-Fi
SmartHVAC app control
Pros & Cons
Pros
- True DIY install no HVAC tools needed
- Save $2,000-4,000 on installation
- Built-in Wi-Fi and app
- Pre-charged line sets
Cons
- Not cold climate rated
- DIY voids some local permits
- Lower efficiency than pro-install units
- 7-year warranty
Best For
DIY homeowners wanting to skip professional installation
Warranty Snapshot
Compressor: 7 years
Parts: 7 years
Register equipment with the manufacturer after installation to preserve coverage. We handle registration on Home+ installs.
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Frequently Asked Questions
Ready to Install the DIY 4th Gen?
Get a free, no-obligation quote for professional mini-split installation by NATE-certified technicians serving Nassau County. You may qualify for a $2,000 federal tax credit!