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MRCOOL  |  SKU: DIYM355HPW00D37
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MRCOOL DIY 5th Gen 55,000 BTU 6‑Zone 22 SEER2 Ductless Mini Split Air Conditioner & Heat Pump System DIYM355HPW00D37

$6,989.00 USD $7,489.00

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Description

MRCOOL DIY 5th Gen 55,000 BTU 6‑Zone 22 SEER2 Ductless Mini Split Air Conditioner & Heat Pump System DIYM355HPW00D37

Experience advanced climate control with the MRCOOL DIY 5th Gen 55,000 BTU 6‑Zone Ductless Mini Split System — engineered for whole‑home comfort without the high installation costs. Built around industry‑leading DIY QuickConnect® technology, this multi‑zone heat pump system lets you skip the need for refrigerant handling, vacuum pumps, or licensed HVAC labor while delivering powerful, whisper‑quiet heating and cooling throughout your home. Whether you’re outfitting bedrooms, living areas, offices, or mixed‑use spaces, this system delivers tailored comfort with impressive energy efficiency.

Designed to meet real household demands, the 55,000 BTU condenser supports up to six independently controlled zones so you can eliminate hot or cold spots and lower energy waste. With a high SEER2 rating of 22 and next‑generation R‑454B refrigerant, the system operates efficiently year‑round. Advanced features like Gold Fin® corrosion resistance, Follow Me® temperature sensing, and full smart home compatibility — including Alexa®, Google Home®, and the MRCOOL® Smart HVAC Controller® App — ensure you enjoy intuitive control and comfort at your fingertips.

Features

  • True DIY® Installation — MRCOOL’s patented DIY® QuickConnect® line sets come factory-charged with R-454B refrigerant, eliminating vacuum pumps, gauges, and HVAC licensing.
  • 22 SEER2 High-Efficiency Performance — Advanced inverter technology automatically adjusts output to reduce energy consumption while maintaining consistent comfort.
  • 6-Zone Comfort Control — Independently control temperatures in up to six rooms, eliminating hot spots and wasted energy.
  • Next-Generation R-454B Refrigerant — Lower global warming potential than R-410A and fully future-compliant.
  • Gold Fin® Corrosion Protection — Protects outdoor and indoor coils from coastal air, humidity, and corrosion.
  • Follow Me® Temperature Sensing — The remote senses temperature where you are, not where the unit is mounted.
  • DIYPRO® Cable Included — Eliminates conduit requirements and adds durability against weather and pests.
  • Smart HVAC Control Built In — Control each zone from anywhere using the MRCOOL® Smart HVAC Controller® App, Amazon Alexa®, or Google Home®.

Specifications

Specification Details
Brand MRCOOL
Model DIYM355HPW00D37
Type 6‑Zone Multi‑Zone Mini Split System
Total Capacity 55,000 BTU
SEER2 Rating 22
HSPF2‑4 10.6
Refrigerant R‑454B
Compressor Inverter‑Driven
Indoor Units (2) 6,000 BTU + (1) 36,000 BTU Wall‑Mounted Air Handlers
Line Sets Included (2) 25 ft (1/4 × 3/8), (1) 25 ft (3/8 × 5/8) QuickConnect®
Communication Cable DIYPRO® Cable Included
Control Compatibility MRCOOL Smart HVAC Controller® App, Alexa, Google Home
Voltage 208/230V
Phase Single‑Phase
Minimum Circuit Ampacity (MCA) 43A
Maximum Breaker Size 45A
Outdoor Unit Dimensions (W×H×D) 37.48" × 52.48" × 16.34"
Outdoor Unit Weight 245.8 lbs
Indoor Unit Dimensions (6K) 31.57" × 11.69" × 7.44"
Indoor Unit Weight (6K) 24.5 lbs
Indoor Unit Dimensions (36K) 42.52" × 13.19" × 8.90"
Indoor Unit Weight (36K) ~36 lbs
Warranty 5‑Year Parts / 7‑Year Compressor / Lifetime Replacement (with registration)

What’s Included 

  • (1) MRCOOL DIY® 5th Gen 55,000 BTU 6-Zone Multi-Zone Condenser
    DIY-MULTI6-55HP230D-O
  • (2) MRCOOL DIY® 6,000 BTU Wall-Mount Air Handlers
    DIY-06-HP-WMAH-230D25-O
  • (1) MRCOOL DIY® 36,000 BTU Wall-Mount Air Handler
    DIY-36-HP-WMAH-230D25-O
  • (2) MRCOOL DIY® 25 ft 1/4 × 3/8 QuickConnect® Line Sets
    DIY25-1438-O
  • (1) MRCOOL DIY® 25 ft 3/8 × 5/8 QuickConnect® Line Set
    DIY25-3858-O
  • DIYPRO® cable included with indoor units
  • Wireless remotes for each zone

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