Overview
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27,000 BTU 23 SEER2 (6K + 18K) Mini-Split Air Conditioner and Heat Pump 230V – Includes Line Sets
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.
-
Two Rooms, Customized Comfort: Independently heat or cool two separate spaces — one up to 150 sq. ft. and another up to 750 sq. ft. — so each area stays exactly how you like it.
- 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 9.5 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 | 2 |
| Total Capacity | 24,000 BTU |
| Zone Capacity | Zone 1: 6,000 BTU • Zone 2: 18,000 BTU |
| Coverage Area | Total: 900 sq. ft. • Zone 1: 150 sq. ft. • Zone 2: 750 sq. ft. |
| Refrigerant | R-454B |
| Line Sets Included | 2 × Pre-charged Quick-Connect® line sets |
| Warranty | 7-Year Compressor • 5-Year Parts |
Outdoor Unit — 27K (Qty: 1)
| Model | DIY-MULTI4-27HP230D-O |
| Dimensions (W × D × H) | 37.24" × 16.14" × 31.89" |
| Cooling Capacity | 26,000 BTU |
| SEER2 | 23.0 |
| EER2 | 12.0 |
| Heating Capacity | 26,000 BTU |
| HSPF2-4 / HSPF2-5 | 9.5 / 7.0 |
| Outdoor Noise Level | 61 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 | 23.0A |
| Max Fuse/Breaker | 25.0A |
| Weight | 140.2 lbs |
| Certifications | ENERGY STAR • AHRI • UL • ETL |
Indoor Unit — 6K (Qty: 1)
| Model | DIY-06-HP-WMAH-230D25-O |
| Dimensions (W × D × H) | 31.57" × 7.44" × 11.69" |
| Mounting Type | Wall mounted |
| Cooling Capacity | 6,000 BTU |
| Heating Capacity | 6,000 BTU |
| Coverage Area | 100–150 sq. ft. |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Operating Modes | Auto • Cool • Heat • Fan Only • Dry (Dehumidify) • Sleep |
| Weight | 24.47 lbs |
Indoor Unit — 18K (Qty: 1)
| Model | DIY-18-HP-WMAH-230D25-O |
| Dimensions (W × D × H) | 42.52" × 8.90" × 13.19" |
| Mounting Type | Wall mounted |
| Cooling Capacity | 18,000 BTU |
| Heating Capacity | 18,000 BTU |
| Coverage Area | 501–750 sq. ft. |
| Liquid Line Size | 1/4" |
| Suction Line Size | 1/2" |
| Operating Modes | Auto • Cool • Heat • Fan Only • Dry • Sleep |
| Weight | 35.49 lbs |
What’s Included
- (1) 27K BTU Multi-Zone Condenser
- (1) 6K BTU Air Handler
- (1) 18K BTU Air Handler
- 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)
- (2) Wireless Remotes
- (2) SmartHVAC Modules
- Installation & Instruction manuals
Installation & Guides
Frequently Bought Together
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27K BTU 23 SEER2 (6K + 18K) Ductless Mini Split AC & Heat Pump 208/230V – Includes Line Sets
$3,954.00
MRCOOL Wall Mounting Bracket for 24K, 27K & 36K Mini Split Condensers
$121.00
MRCOOL LineGuard 4.5" Complete Line Set Cover Kit - 12 ft
$132.00
MRCOOL Condenser Risers - Set of 2
$69.00
Outdoor Condenser Pad - 18 In. x 38 In. x 3 In.
$71.00
Disconnect Switch and Electrical Whip with 8 Gauge Wire for MRCOOL 9K, 12K, 18K or 27K Condenser
$78.00
Total items
0
Total price
$0.00
Need help choosing the right size mini split?
Try our quick sizing tool to get a personalized recommendation based on your room size and comfort needs.
Use mini split builder