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MRCOOL  |  SKU: DIYM355HPW02D00
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MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (6K + 9K + 36K) 3 x 16ft Line Sets Ductless Mini-Split Air Conditioner & Heat Pump DIYM355HPW02D00

$6,804.00 USD $7,304.00

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Description

MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (6K + 9K + 36K) 3 x 16ft Line Sets Ductless Mini-Split Air Conditioner & Heat Pump DIYM355HPW02D00

The MRCOOL DIY 5th Gen Multi-Zone 6-Zone Mini-Split System offers efficient heating and cooling for multiple rooms in your home. Designed for easy installation, this DIY system eliminates the need for professional refrigerant charging. Its innovative design allows you to control up to six indoor units with a single outdoor condenser, providing precise comfort in every zone.

This 55,000 BTU system features an impressive 22 SEER2 rating, delivering energy-efficient performance while reducing utility costs. The included 16-foot line sets simplify installation and allow for flexible placement of indoor units, making it ideal for new construction or retrofitting existing spaces. With built-in heat pump functionality, it provides both cooling in the summer and heating in the winter.

The MRCOOL DIY system integrates seamlessly with smart home technology, giving you control via Wi-Fi and mobile apps. Its quiet operation ensures comfort without disruption, and the sleek design of the indoor units complements any interior décor. Perfect for homeowners seeking a customizable, cost-effective, and energy-efficient solution.

Features

  • 55,000 BTU total system capacity
  • 6-zone capable outdoor condenser
  • 22 SEER2 / 10.6 HSPF2-4 efficiency
  • DC inverter compressor for precise output control
  • DIY® QuickConnect® pre-charged line sets
  • DIYPRO® cable (no conduit required)
  • Gold Fin® corrosion-resistant coating
  • Follow Me® temperature sensing technology
  • MRCOOL® Smart HVAC Controller® App
  • Amazon Alexa® & Google Home® compatibility
  • Ultra-quiet indoor operation
  • Independent zone temperature control

Specifications

Specification Details
Model Number DIYM355HPW02D00
Brand MRCOOL
Series DIY 5th Gen Multi‑Zone
System Type Ductless Mini‑Split Air Conditioner & Heat Pump
Zone Capacity Up to 6 Zones
Total Capacity 55,000 BTU
Indoor Units Included 6,000 BTU; 9,000 BTU; 36,000 BTU
Line Sets 3 x 16 ft QuickConnect® pre‑charged
Refrigerant Type R‑454B
SEER2 22
EER2 12
HSPF2‑4 10.6
Compressor Type DC Inverter
Voltage 208/230 V
Phase Single
Frequency 60 Hz
Smart Control MRCOOL Smart HVAC Controller® App; Alexa & Google Home
Corrosion Protection Gold Fin® coating
Installation DIY – No refrigerant tools required
Warranty Manufacturer’s warranty (varies – see docs)
Indoor Noise Ultra‑quiet operation
Outdoor Durability Corrosion‑resistant components

What’s Included 

  • ✔ MRCOOL® DIY® 55K BTU 6-Zone Outdoor Condenser
  • ✔ 6K BTU Wall-Mounted Indoor Air Handler
  • ✔ 9K BTU Wall-Mounted Indoor Air Handler
  • ✔ 36K BTU Wall-Mounted Indoor Air Handler
  • ✔ (2) 16-ft DIY® QuickConnect® Line Sets (1/4 × 3/8)
  • ✔ (1) 16-ft DIY® QuickConnect® Line Set (3/8 × 5/8)
  • ✔ DIYPRO® communication cable
  • ✔ Wireless remotes for each air handler
  • ✔ Installation manuals & mounting hardware

Frequently Asked Questions (FAQ's)

Is this system truly DIY?

Yes. This system is designed for true homeowner installation—no refrigerant handling or vacuuming required.

Can I add more zones later?

Yes. The condenser supports up to six total indoor units.

Does this system work in cold weather?

Yes. The inverter heat pump provides reliable heating in low-temperature conditions.

Is this system certified?

Yes. The condenser is ENERGY STAR® and AHRI certified.

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