Weekend Browse｜MRCOOL® DIY® 5th Gen Multi-Zone 4-Zone 36,000 BTU 23 SEER2 (6K + 6K + 6K + 9K)- 4x 25ft line sets-Ductless Mini-Split Air Conditioner & Heat Pump — DIYM436HPW01D122

Product Description 
Model: DIYM436HPW01D122
The MRCOOL® DIYM436HPW01D122 is a premium 4-zone ductless mini-split system engineered for homeowners who want true room-by-room comfort, higher efficiency, and a professional-grade system they can install themselves.
This configuration pairs the MRCOOL® DIY® 5th Generation 36,000 BTU multi-zone condenser with three 6,000 BTU air handlers and one 9,000 BTU air handler, making it an ideal solution for bedrooms, offices, nurseries, guest rooms, or mixed-use spaces where loads vary slightly from room to room.
What sets this bundle apart is the inclusion of 25-ft DIY® QuickConnect® line sets for every zone, giving installers added flexibility for longer runs without sacrificing performance or warranty coverage. Each line set arrives factory-sealed and pre-charged with R-454B refrigerant, eliminating vacuum pumps, gauges, and refrigerant handling.
Paired with DIYPRO® cable, Gold Fin® corrosion protection, and full MRCOOL® Smart HVAC Controller® support, this system delivers quiet operation, lower energy costs, and long-term reliability—without contractor labor.
 
 
KEY FEATURES & PERFORMANCE HIGHLIGHTS

36,000 BTU total system capacity
4 independently controlled comfort zones
Three 6K zones + one 9K zone
23 SEER2 high-efficiency performance
DC inverter variable-speed compressor
DIY® QuickConnect® pre-charged line sets
25-ft line sets included for every zone
No vacuum pump or HVAC license required
DIYPRO® cable (no conduit needed)
Gold Fin® anti-corrosion coating
Follow Me® temperature sensing
MRCOOL® Smart HVAC Controller® app
Amazon Alexa® & Google Home® compatible
ENERGY STAR® & AHRI certified

 
ELECTRICAL REQUIREMENTS & BREAKER INFORMATION
Outdoor Condenser — DIY-MULTI5-36HP230D-O

Voltage: 208 / 230V
Phase: Single-Phase
Frequency: 60 Hz

Minimum Circuit Ampacity (MCA): 30.5 Amps

Maximum Breaker Size: 35 Amps

Dedicated Circuit Required: Yes

 
DIMENSIONS & WEIGHT
Outdoor Condenser

Width: 37.24 in
Height: 31.89 in
Depth: 16.14 in
Net Weight: ~169 lbs

6K Indoor Air Handlers (each)

Width: 31.57 in
Height: 11.69 in
Depth: 7.44 in
Weight: ~24.5 lbs

9K Indoor Air Handler

Width: 31.57 in
Height: 11.69 in
Depth: 7.44 in
Weight: ~25 lbs

 
WARRANTY COVERAGE 

5-Year Parts Warranty
7-Year Compressor Warranty

Eligible for the MRCOOL® Care Kit Program

 
WHAT’S INCLUDED IN THIS BUNDLE 

✔ MRCOOL® DIY® 36,000 BTU Multi-Zone Outdoor Condenser
✔ (3) 6,000 BTU Wall-Mounted Indoor Air Handlers
✔ (1) 9,000 BTU Wall-Mounted Indoor Air Handler
✔ (4) 25-ft DIY® QuickConnect® Line Sets (1/4 × 3/8)
✔ DIYPRO® communication cable
✔ Wireless remotes for each zone
✔ Mounting hardware & installation manuals

 
Smart phone not included.
 
FREQUENTLY ASKED QUESTIONS
Is this a true DIY system?
Yes. The QuickConnect® system eliminates vacuuming and refrigerant handling.
 
Why choose 25-ft line sets instead of 16-ft?
25-ft line sets provide more routing flexibility for larger homes or longer outdoor unit placement.
 
Can each room be controlled independently?
Yes. Each indoor unit operates as its own zone.
 
Does it work with smart home systems?
Yes. Compatible with Alexa®, Google Home®, and the MRCOOL® Smart HVAC Controller® app.
 
Why Buy From MRCOOL DIRECT?
When you order from MRCOOL Direct, you get:

✅ Authorized MRCOOL® dealer – Your warranty is protected
✅ Factory-fresh units – No refurbished or mystery sources
✅ Fast U.S. shipping – Most in-stock items ship in 1–3 business days
✅ Financing options – Make high-efficiency comfort more affordable
✅ Real product support – Help with sizing, line set selection, and DIY questions
✅ No third-party marketplace middlemen – Just genuine MRCOOL® systems from a trusted MRCOOL® dealer.

BUY DIRECT!
Feel Free to call us anytime. Family Friendly help just a dial away. We love talking HVAC615-553-8118
Family owned & USAs #1 MRCOOL® Authentication Dealer.
When accuracy, warranty protection, and long-term support matter, customers choose MRCOOL DIRECT.
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