Take Control of Your Comfort. Enjoy year-round comfort with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System — the easiest and most affordable way to get powerful, energy-efficient heating and cooling without the need for professional installation.
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Perfect Comfort in Two Rooms - Heat or cool two separate spaces — one up to 500 sq. ft. and another up to 1,500 sq. ft. — each with its own independent temperature control for personalized comfort throughout your home.
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Simple, True DIY Installation - Skip the costly installation fees. No HVAC license or special tools are required — if you can use basic hand tools, you can install this system yourself.
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Hassle-Free Setup - Equipped with pre-charged Quick-Connect® line sets, there’s no need for refrigerant handling or vacuuming. Just connect the lines, tighten, and start enjoying comfort right away.
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Year-Round Efficiency and Savings - With up to 22 SEER2 cooling efficiency and 10.6 HSPF2-4 heating performance, this system helps you save on energy costs while maintaining powerful performance.
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Built to Handle Any Season - Stay cozy even in freezing conditions — reliable heating performance continues down to -13°F.
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Reliable Warranty Protection - Comes with a 7-Year Compressor Replacement Warranty and 5-Year Parts Coverage for lasting peace of mind.
No matter the season, the MRCOOL DIY Mini Split keeps your home perfectly comfortable while saving you money. Smart. Simple. Affordable.
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)
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PRE-CHARGED LINE SETS x 2
- REMOTE CONTROL x 2
NOTE: Need different line set lengths? Click here to add them as add-ons.
SPECIFICATIONS:
| SYSTEM OVERVIEW |
| System Type |
Ductless Mini Split Air Conditioner & Heat Pump |
| Zones |
2 |
| Capacity |
Total: 48,000 BTU
Zone 1: 12,000 BTU
Zone 2: 36,000 BTU
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| Coverage Area |
Total: 2,000 sq. ft.
Zone 1: 500 sq. ft.
Zone 2: 1,500 sq. ft.
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| Refrigerant |
R-454B |
| Line Sets Included |
2 x Pre-Charged Line Sets |
| Warranty |
7 Years Compressor
5 Years Parts
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| 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 1 |
| 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 |
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.
