WARNING: This product can expose you to chemicals including refrigerants, which are known to the State of California to cause cancer [or birth defects or reproductive harm]. For more information, go to 
Description
The MRCOOL 55k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230V is engineered for homeowners who want professional-grade comfort with simple DIY installation. Delivering 55,000 BTUs of heating and cooling power, this system supports up to six zones, making it ideal for whole-home climate control
. With a SEER2 rating of 22 and HSPF2-4 of 10.6, it offers outstanding energy efficiency while reducing utility costs. The condenser uses eco-friendly R-454B refrigerant and operates quietly at 64 dB. Smart integration with the SmartHVAC app, Amazon Alexa, and Google Home allows you to control your comfort from anywhere.
Backed by MRCOOL’s industry-leading warranty — 5 years on parts, 7 years on the compressor, and a limited lifetime replacement with the Care Program — this unit combines reliability, convenience, and innovation. Line sets are sold separately to fit your installation needs.
MRCOOL 55k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230V Features
- ✅ Powerful 55,000 BTU capacity — delivers heating and cooling for up to 2,290 sq. ft.
- ✅ Supports 6 zones — customize comfort in multiple rooms with one condenser.
- ✅ DIY installation — patented Quick-Connect® pre-charged line sets, no vacuum pump or special tools required.
- ✅ High efficiency SEER2 22 / HSPF2-4 10.6 — save on energy bills while staying comfortable year-round.
- ✅ Eco-friendly R-454B refrigerant — designed for sustainability and compliance with modern standards.
- ✅ Smart control ready — works with SmartHVAC app, Amazon Alexa, and Google Home.
- ✅ Quiet operation (~64 dB) — powerful performance without disruptive noise.
- ✅ Durable 230V system — built for reliability and long-lasting performance.
- ✅ Industry-leading warranty — 5-year parts, 7-year compressor, and limited lifetime replacement with MRCOOL Care Program.
- ✅ Whole-home comfort solution — perfect for large homes, offices, or multi-room setups.
MRCOOL 55k vs 48k DIY 5th Gen 6-Zone Mini-Split Condensers
| Feature | MRCOOL DIY 55k 6-Zone (230V) | MRCOOL DIY 48k 6-Zone (230V) |
|---|---|---|
| BTU Capacity | 55,000 BTU | 48,000 BTU |
| Zones Supported | Up to 6 | Up to 6 |
| Coverage Area | ~2,290 sq. ft. | ~2,000–2,100 sq. ft. |
| Efficiency (SEER2/HSPF2-4) | SEER2 22 / HSPF2-4 10.6 | SEER2 22 / HSPF2-4 ~10.0 |
| Refrigerant | R-454B | R-454B |
| Noise Level | ~64 dB | ~62–64 dB |
| Voltage | 230V | 230V |
| Smart Control | SmartHVAC App, Alexa, Google | SmartHVAC App, Alexa, Google |
| Warranty | 5 yr parts / 7 yr compressor / Lifetime replacement | 5 yr parts / 7 yr compressor / Lifetime replacement |
| Price Range | $3,809 – $5,142 | $3,228 – $4,699 |
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