Take Charge of Your Comfort. Experience effortless climate control with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System — the simplest, most cost-effective way to enjoy powerful, energy-efficient heating and cooling without hiring a professional.
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Comfort for Two Rooms - Easily heat or cool up to two spaces (up to 750 sq. ft. each) with independent temperature control for customized comfort in every zone.
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Truly DIY-Friendly - Skip the costly installation. No HVAC license or special tools needed — if you can handle basic hand tools, you can install this system yourself.
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Quick, Hassle-Free Setup - The pre-charged Quick-Connect® line sets eliminate the need for refrigerant handling or vacuuming. Just connect the lines, mount the units, and enjoy instant comfort.
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Energy-Smart Performance - With up to 23 SEER2 cooling efficiency and 9.9 HSPF2-4 heating performance, this system delivers impressive year-round energy savings.
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All-Season Reliability - Stay warm even in extreme cold — dependable heating performance continues down to -13°F.
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Peace of Mind Warranty - Includes a 7-Year Compressor Replacement and 5-Year Parts Warranty for lasting protection.
Whether it’s scorching summer heat or icy winter chill, the MRCOOL DIY Mini Split keeps your home perfectly comfortable and your energy bills low. Smart. Simple. Affordable.
WHAT YOU GET:
MRCOOL DIY® 5th Gen 36,000 BTU 5-Zone Mini Split Condenser 230V (DIY-MULTI5-36HP230D-O)
MRCOOL DIY® 5th Gen 18,000 BTU Multi-Zone Mini Split Air Handler 230V (DIY-18-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: 36,000 BTU
Zone 1: 18,000 BTU
Zone 2: 18,000 BTU
|
| Coverage Area |
Total: 1,500 sq. ft.
Zone 1: 750 sq. ft.
Zone 2: 750 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
|
| OUTDOOR UNIT (36K) x 1 |
| Model |
DIY-MULTI5-36HP230D-O |
| Dimensions |
37.24" W x 16.14" D x 31.89" H |
| Cooling Capacity |
34,000 BTU |
| SEER2 |
23.0 |
| EER2 |
12.0 |
| Heating Capacity |
36,000 BTU |
| HSPF2-4 |
9.9 |
| HSPF2-5 |
7.5 |
| Outdoor Noise Level |
64.0 dB(A) |
| Outdoor Operating Temperature |
Cooling: -13°F – 122°F
Heating: -13°F – 75°F
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| Voltage |
208–230V |
| Phase |
1 |
| Cycle |
60Hz |
| Min Circuit Ampacity |
30.5A |
| Max Fuse Breaker |
35.0A |
| Weight |
169.75 lbs |
| Certifications |
ENERGY STAR Certified
AHRI Certified
UL Listed
ETL Listed
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| INDOOR UNIT (18K) x 2 |
| Model |
DIY-18-HP-WMAH-230D25-O |
| Dimensions |
42.52" W x 8.9" D x 13.19" H |
| Mounting Type |
Wall |
| Cooling Capacity |
18,000 BTU |
| Heating Capacity |
18,000 BTU |
| Coverage Area |
501 to 750 sq. ft. |
| Liquid Line Size |
1/4" |
| Suction Line Size |
1/2" |
| 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 |
35.49 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.
