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The MRCOOL DIY 5th Gen 48,000 BTU 6-Zone Mini Split Condenser is the largest and most powerful unit in the MRCOOL DIY lineup, delivering comfort to as many as six separate indoor air handlers. With an impressive 21.8 SEER2 efficiency rating and 48,000 BTU heating capacity, this condenser ensures maximum energy savings and whole-home comfort, even in extreme climates. Supporting coverage up to 2,000 sq. ft., this system is perfect for large homes, offices, or multi-zone applications.
Please note: This is a condenser-only listing. To complete your system, you will need compatible MRCOOL DIY air handlers and Quick Connect line sets (sold separately).
6-Zone Flexibility
Supports up to six indoor units, giving you the freedom to set different temperatures in multiple spaces.
Energy-Saving Efficiency
Boasts a 21.8 SEER2 rating and 12 EER2, keeping your energy bills low while delivering top-tier performance.
All-Climate Comfort
Provides 43,000 BTU cooling and 48,000 BTU heating, performing reliably in temps from -13°F to 122°F.
Smart Control Ready
Wi-Fi enabled with iOS/Android app support and compatible with Alexa and Google Assistant.
True DIY Installation
Pre-charged Quick Connect line sets make installation possible without HVAC tools or special certification.
Durable & Quiet
Designed with a rotary DC inverter compressor for efficient performance at just 64 dB(A)

Everything you need is included with your product.
| Specifications | Details |
| Dimensions | 37.48" W x 16.34" D x 52.48" H |
| Weight | 223.77 lbs |
| Specifications | Details |
| Zone Capacity | 6 |
| Cooling Capacity | 43,000 BTU |
| SEER2 | 21.8 |
| EER2 | 12 |
| Heating Capacity | 48,000 BTU |
| HSPF2-4 | 10 |
| HSPF2-5 | 7.8 |
| Coverage Area | up to 2,000 sq. ft. |
| Outdoor Noise Level | 64 dB(A) |
| Outdoor Operating Temperature | Cooling: 5°F – 122°F | Heating: -13°F – 75°F |
| Specifications | Details |
| Voltage | 208-230V |
| Phase | 1 |
| Cycle | 60 Hz |
| Max Fuse Breaker | 45A |
| Min Circuit Ampacity | 40A |
| Specifications | Details |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 148.15 oz |
| Liquid Line Size | 1/4" |
| Suction Line Size | (3/8 X4) (1/2 X2) |
| Max Line Set Length | 221.4 ft. |
| Specifications | Details |
| Inverter | DC |
| Compressor Type | Rotary |
| Fan Only Option | Yes |
| Quiet Mode | Yes |
| Auto Cool | Yes |
| Wifi Compatibility | Yes |
| App Compatibility | Yes |
| Works with IOS | Yes |
| Works with Android | Yes |
| Remote Control Included | Yes |
| Specifications | Details |
| Certifications | Energy Star Certified, UL Listed, ETL Listed, AHRI Certified |
| Warranty | 7 Years Compressor | 5 Years Parts |
No, this is the condenser-only listing. Compatible MRCOOL DIY air handlers must be purchased separately.
Yes. The MRCOOL DIY 5th Gen uses Quick Connect line sets pre-charged with refrigerant, making installation accessible for homeowners.
Up to six indoor zones, depending on which air handler sizes are paired with the unit.
Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
US$40
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