Overview
MRCOOL DIY 5th Gen Multi-Zone 4-Zone 36k BTU 23 SEER2 (9K + 9K + 9k + 9k) Mini-Split Air Conditioner and Heat Pump 230V
Take command of your indoor comfort with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System — a practical, high-efficiency solution built to deliver powerful heating and cooling without the cost or complexity of professional installation.
- Four Rooms, Personalized Comfort: Independently heat or cool four separate spaces — that are 350 sq. ft., 350 sq. ft, 350 sq. ft. and 350 sq. ft. each — so every room maintains its own ideal temperature.
- Designed for True DIY Installation: Skip contractor scheduling and specialty tools — this system is engineered for straightforward homeowner installation using basic hand tools.
- Fast, Clean Setup: Pre-charged Quick-Connect® line sets eliminate vacuuming and refrigerant handling, making installation simple and hassle-free.
-
High-Efficiency Performance: With cooling efficiency up to 23 SEER2 and heating performance up to 9.9 HSPF2-4, the system helps reduce year-round energy costs.
- Cold-Climate Reliability: Built to maintain dependable heating performance in temperatures as low as -13°F.
-
Warranty Confidence: Backed by a 7-year compressor replacement warranty and 5-year parts coverage for long-term peace of mind.
Specifications
System Overview
| System Type | Ductless Mini Split Air Conditioner & Heat Pump |
| Zones | 4 |
| Total Capacity | 36,000 BTU |
| Zone Capacity | Zone 1: 9,000 BTU • Zone 2: 9,000 BTU • Zone 3: 9,000 BTU • Zone 4: 9,000 BTU |
| Coverage Area | Total: 2,050 sq. ft. • Zone 1: 350 sq. ft. • Zone 2: 350 sq. ft. • Zone 3: 350 sq. ft. • Zone 4: 350 sq. ft. |
| Refrigerant | R-454B |
| Line Sets Included | 4 × Pre-charged Quick-Connect® line sets |
| Warranty | 7-Year Compressor • 5-Year Parts |
Outdoor Unit — 36K (Qty: 1)
| Model | DIY-MULTI5-36HP230D-O |
| Dimensions (W × D × H) | 37.24" × 16.14" × 31.89" |
| Cooling Capacity | 34,000 BTU |
| SEER2 | 23.0 |
| EER2 | 12.0 |
| Heating Capacity | 36,000 BTU |
| HSPF2-4 / HSPF2-5 | 9.9 / 7.5 |
| Outdoor Noise Level | 64 dB(A) |
| Operating Temperature | Cooling: -13°F to 122°F • Heating: -13°F to 75°F |
| Electrical | 208–230V • 1 Phase • 60Hz |
| Min Circuit Ampacity | 30.5A |
| Max Fuse/Breaker | 35.0A |
| Weight | 169.75 lbs |
| Certifications | ENERGY STAR • AHRI • UL • ETL |
Indoor Units — 9K (Qty: 4)
| Model | DIY-09-HP-WMAH-230D25-O |
| Dimensions (W × D × H) | 31.57" × 7.44" × 11.69" |
| Mounting Type | Wall mounted |
| Cooling Capacity | 9,000 BTU per unit |
| Heating Capacity | 9,000 BTU per unit |
| Coverage Area | ~350 sq. ft. per unit |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Weight | 24.47 lbs per unit |
What’s Included
- (1) 36K BTU 5th Gen DIY Condenser
- (4) 9K Air Handlers
- Pre-Charged Quick Connect® Line Sets for each indoor air handler (length per selected option)
- DIYPro® communication wiring is included for each indoor air handler (one per zone)
- Condensate drain hose (included)
- Wireless Remote for each air handler
- SmartHVAC Modules
- Installation & Instruction manuals
Installation & Guide
