Take Charge of Your Comfort with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System
The smartest, easiest, and most affordable way to heat and cool your home—no pro required.
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Perfect Comfort for Three Rooms: Independently heat or cool spaces of 500 sq. ft., 500 sq. ft., and 1,500 sq. ft. each. Tailor temperatures to every room for personalized comfort.
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Truly DIY-Friendly: No HVAC license? No problem. No special tools? No problem. If you can handle basic hand tools, you can install it yourself.
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Quick, Hassle-Free Setup: Pre-charged Quick-Connect® line sets mean no refrigerant handling, no vacuuming—just connect and enjoy.
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Year-Round Energy Savings: With up to 22 SEER2 cooling efficiency and 10.6 HSPF2-4 heating performance, save on energy without compromising comfort.
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Reliable Heating in Any Climate: Keep cozy even when temperatures drop to -13°F.
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Peace of Mind: Includes 7-Year Compressor Replacement and 5-Year Parts Coverage.
Whether it’s scorching summer or freezing winter, the MRCOOL DIY Mini Split delivers comfort and efficiency—smart, simple, and budget-friendly.
Note: When using multiple air handlers simultaneously, total output is limited by the condenser’s capacity (up to 55,000 BTU for this system).
WHAT YOU GET:
MRCOOL DIY® 5th Gen 55,000 BTU 6-Zone Multi-Zone Mini Split Condenser 230V (DIY-MULTI6-55HP230D-O)
MRCOOL DIY® 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler 230V (DIY-12-HP-WMAH-230D25-O)
MRCOOL DIY® 5th Gen 36,000 BTU Multi-Zone Mini Split Air Handler 230V (DIY-36-HP-WMAH-230D25-O)
NOTE: Line sets are not included. Please choose your line set above.
If all air handlers are run simultaneously, their combined BTU output will not exceed the BTU rating of the condenser.
SPECIFICATIONS:
| SYSTEM OVERVIEW |
| System Type |
Ductless Mini Split Air Conditioner & Heat Pump |
| Zones |
3 |
| Capacity |
Total: 60,000 BTU
Zone 1: 12,000 BTU
Zone 2: 12,000 BTU
Zone 3: 36,000 BTU
|
| Coverage Area |
Total: 2,500 sq. ft.
Zone 1: 500 sq. ft.
Zone 2: 500 sq. ft.
Zone 3: 1,500 sq. ft.
|
| Refrigerant |
R-454B |
| Line Sets Included |
None - Choose Your Line Sets Above! |
| Warranty |
7 Years Compressor
5 Years Parts
|
| OUTDOOR UNIT (55K) x 1 |
| Model |
DIY-MULTI6-55HP230D-O |
| Dimensions |
37.48" W x 16.34" D x 52.48" H |
| Cooling Capacity |
47,000 BTU |
| SEER2 |
22.0 |
| EER2 |
12.0 |
| Heating Capacity |
55,000 BTU |
| HSPF2-4 |
10.6 |
| HSPF2-5 |
8.5 |
| Outdoor Noise Level |
64.0 dB(A) |
| Outdoor Operating Temperature |
Cooling: -22°F – 122°F
Heating: -22°F – 75°F
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| Voltage |
208–230V |
| Phase |
1 |
| Cycle |
60Hz |
| Min Circuit Ampacity |
43.0A |
| Max Fuse Breaker |
45.0A |
| Weight |
245.81 lbs |
| Certifications |
ENERGY STAR Certified
AHRI Certified
UL Listed
ETL Listed
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| INDOOR UNIT (12K) x 2 |
| Model |
DIY-12-HP-WMAH-230D25-O |
| Dimensions |
31.57" W x 7.44" D x 11.69" H |
| Mounting Type |
Wall |
| Cooling Capacity |
12,000 BTU |
| Heating Capacity |
12,000 BTU |
| Coverage Area |
351 to 500 sq. ft. |
| Liquid Line Size |
1/4" |
| Suction Line Size |
3/8" |
| Modes |
Auto Mode: Automatically selects heating or cooling based on the room's temperature.
Cool Mode: Lowers the room temperature to your desired setting.
Heat Mode: Raises the room temperature to your desired setting.
Fan-Only Mode: Circulates air without heating or cooling.
Dry Mode (Dehumidification): Reduces humidity levels in the room.
Sleep Mode: Gradually adjusts temperature settings for comfortable sleep and energy savings.
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| Weight |
24.47 lbs |
| INDOOR UNIT (36K) x 1 |
| Model |
DIY-36-HP-WMAH-230D25-O |
| Dimensions |
49.57" W x 11.1" D x 14.25" H |
| Mounting Type |
Wall |
| Cooling Capacity |
36,000 BTU |
| Heating Capacity |
36,000 BTU |
| Coverage Area |
1,001 to 1,500 sq. ft. |
| Liquid Line Size |
3/8" |
| Suction Line Size |
5/8" |
| Modes |
Auto Mode: Automatically selects heating or cooling based on the room's temperature.
Cool Mode: Lowers the room temperature to your desired setting.
Heat Mode: Raises the room temperature to your desired setting.
Fan-Only Mode: Circulates air without heating or cooling.
Dry Mode (Dehumidification): Reduces humidity levels in the room.
Sleep Mode: Gradually adjusts temperature settings for comfortable sleep and energy savings.
|
| Weight |
48.72 lbs |
GUIDE:
SHIPPING POLICY:
Free Curbside Delivery
MRCOOL orders include free curbside delivery via FedEx Ground, FedEx Freight, or the most trusted carrier available. Please note that delivery is to the curbside only - be sure to arrange for assistance if needed, as the carrier will not bring items inside your home.
Tracking & Delivery Scheduling
In most cases, you will receive tracking details 3-5 business days after you place your order. When the tracking number is sent, please allow 1-2 business days for the tracking number to populate details.
RETURN POLICY:
MRCOOL returns must be requested within 30 days of your delivery date. We are unable to process returns submitted after this period. Products must be unused, uninstalled, and in their original packaging, including the box and pallet, to qualify for a return.
Restocking Fee
Please note, a 35% restocking fee will be applied to all approved returns.
Non-Returnable Items
Accessories including lineguards, wall mounts, linesets, couplers, and similar items are not eligible for return.
