MRCOOL DIY 4th Gen 2-Zone Multi-Zone Mini-Split System
This complete MRCOOL DIY 4th Gen 2-Zone Multi-Zone system delivers 36,000 BTU of total capacity across 2 independently controlled zones. Engineered for DIY installation with pre-charged line sets — no vacuum pump required.
What’s Included
Outdoor Condenser: DIY-MULTI4-36HP230C
Zone 1: 18,000 BTU Wall Mount Air Handler
Zone 2: 18,000 BTU Wall Mount Air Handler
Line Sets: 2x 25ft pre-charged line sets
Key Features
DIY-friendly installation — no HVAC license required
WiFi enabled — control from anywhere via MRCOOL Smart HVAC app
Pre-charged refrigerant — no vacuum pump needed
Heat pump technology — both heating and cooling
Energy Star certified
Individual zone control — set different temperatures per room
System Specifications
Generation
MRCOOL DIY 4th Gen
Zones
2
Total Capacity
36,000 BTU
Zone Capacities
18,000 BTU+18,000 BTU
Outdoor Unit
DIY-MULTI4-36HP230C
Line Set Length
25ft per zone
Voltage
230V / 208V
Installation
DIY — No HVAC License Required
Frequently Asked Questions
Can I install this myself?
Yes! MRCOOL DIY systems are specifically engineered for homeowner installation. No HVAC license required. The pre-charged line sets eliminate the need for a vacuum pump or refrigerant handling certification.
What is the warranty?
MRCOOL DIY systems come with a 7-year parts warranty and 7-year compressor warranty when registered within 30 days of installation.
Does this include everything I need?
This bundle includes the outdoor condenser, all indoor wall mount air handlers, and pre-charged line sets. You will need to provide electrical wiring and mounting hardware.
Can each zone be set to a different temperature?
Yes. Each indoor unit operates independently, allowing you to set different temperatures in each zone.
Is WiFi included?
Yes. MRCOOL DIY 4th Gen systems include built-in WiFi. Control your system from anywhere using the free MRCOOL Smart HVAC app.
