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MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
Regular Price
$12,425.00
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MRCOOL DIY 5th Gen 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System | DIY-MULTI6-55HP230D-O
The MRCOOL DIY 5th Generation 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System is the largest-capacity DIY system MRCOOL has ever produced — engineered for whole-home comfort and true do-it-yourself installation. Perfect for homeowners who want professional-grade performance without professional labor, this high-efficiency system pairs a 55K BTU condenser with your choice of low-profile ceiling cassette air handlers for quiet, concealed heating and cooling.
Designed around MRCOOL’s revolutionary Quick-Connect® pre-charged line sets, installation is fast, clean, and safe — no vacuum pump or refrigerant tools required. With a 21.5 SEER2 rating and R-454B refrigerant, this 6-zone system delivers powerful comfort, high efficiency, and eco-friendly performance year-round.
Key Features & Benefits
- ✔ Supports up to six indoor zones with one 55K BTU condenser.
- ✔ Compatible with 6K, 9K, 12K, and 18K ceiling cassette units for flexible room coverage.
- ✔ 21.5 SEER2 / 10.6 HSPF2-4 efficiency rating for reduced energy costs.
- ✔ Heats to −13°F and cools to 122°F for dependable year-round performance.
- ✔ Flush-mounted ceiling cassettes blend seamlessly with your interior design.
- ✔ Smart control through the MRCOOL app, Alexa, or Google Assistant.
- ✔ Gold Fin® anti-corrosion coating for extended outdoor durability.
- ✔ DIYPro® cable included — simplifies wiring without conduit.
- ✔ Energy Star, AHRI, and ETL listed for performance and safety verification.
- ✔ 5-Year Parts and 7-Year Compressor Warranty (Lifetime optional with MRCOOL Care).
💡 Pro Tip: Skip the contractor markup and save thousands by installing this system yourself! The MRCOOL DIY 5th Gen’s pre-charged Quick-Connect® line sets make it possible for most homeowners to complete their installation in a weekend — no refrigerant handling, vacuum pump, or pro labor required. It’s the perfect combination of innovation, affordability, and independence.
Technical Specifications
- Brand: MRCOOL
- Series: DIY 5th Gen Multi-Zone Mini-Split
- Model: DIY-MULTI6-55HP230D-O
- Cooling Capacity: 47,000 BTU
- Heating Capacity: 55,000 BTU
- Zones: 6
- Refrigerant: R-454B (Pre-Charged Quick-Connect®)
- Efficiency: 21.5 SEER2 | EER2 12 | HSPF2-4 10.6
- Voltage: 208/230V, 1 Phase, 60 Hz
- Compressor: DC Inverter Rotary
- Operating Range: Heat down to −13°F | Cool up to 122°F
- Noise Level: 64 dBA (Outdoor Unit)
- Max Line Set Length: 221.4 ft combined
- Certifications: Energy Star, AHRI, ETL, UL
- Warranty: 5-Year Parts | 7-Year Compressor | Lifetime (MRCOOL Care Registration)
Nationwide Shipping from MRCOOL DIY Direct: Fast delivery anywhere in the U.S. — systems ship factory-direct, fully warrantied, and ready for installation. Enjoy secure freight delivery and real-time tracking from our warehouse to your door.
FAQs About Our HVAC Products
Ordering & Compatibility
1. Do you sell HVAC equipment to homeowners and DIY installers?
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
2. How do I know if this HVAC product is compatible with my system?
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
3. Can HVAC contractors purchase from Freedom HVAC Supply?
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Installation & Support
1. Do HVAC systems require professional installation?
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
2. Can you help me choose the right HVAC system or part?
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
3. Do you provide installation manuals or documentation?
Manufacturer installation guides and documentation are included or available upon request for most products.
Warranty & Shipping
1. Do HVAC products include a manufacturer warranty?
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
2. Do you ship HVAC equipment nationwide?
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
3. What should I know about freight delivery for HVAC equipment?
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
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