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MRCOOL DIY 5th Gen 3-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+12K+24K) (DIY3-B-36HP)

by MRCOOL
SKU DIY3-B-36HP061224
Save $708.45 Save $708.45
Original price $5,362.45
Original price $5,362.45 - Original price $5,362.45
Original price $5,362.45
Current price $4,654.00
$4,654.00 - $4,654.00
Current price $4,654.00
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MRCOOL DIY 5th Gen 3-Zone 42,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+12K+24K) (DIY3-B-36HP)

Take control of your comfort with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System—the easiest, most affordable way to enjoy powerful, energy-efficient heating and cooling without hiring a pro.

Three Rooms, Perfect Comfort

Effortlessly heat or cool three separate areas—150 sq. ft., 500 sq. ft., and 1000 sq. ft.—each with independent temperature control for personalized comfort throughout your home.

Truly DIY-Friendly

Skip the costly professional installation. No HVAC license or special tools required—if you can use basic hand tools, you can install this system confidently.

No-Hassle Setup

With pre-charged Quick-Connect® line sets, you don’t have to worry about refrigerant handling or vacuuming. Just connect the components and start enjoying reliable heating and cooling.

Year-Round Savings

Featuring up to 23 SEER2 cooling efficiency and 9.9 HSPF2-4 heating performance, this system delivers exceptional energy savings in every season.

Built for Every Season

Stay warm even on the coldest winter days—the system provides dependable heating down to -13°F.

Strong Warranty Protection

Comes with a 7-Year Compressor Replacement Warranty and 5-Year Parts Coverage for long-lasting peace of mind.

From scorching summer heat to frigid winter nights, the MRCOOL DIY Mini Split keeps your home comfortable while helping reduce energy costs. Smart. Simple. Affordable.

WHAT YOU GET:

    • OUTDOOR UNIT (36K) x 1

    MRCOOL DIY® 5th Gen 36,000 BTU 5-Zone Multi-Zone Mini Split Condenser 230V (DIY-MULTI5-36HP230D-O) 

    • INDOOR UNIT (6K) x 1

    MRCOOL DIY® 5th Gen 6,000 BTU Multi-Zone Mini Split Air Handler 230V (DIY-06-HP-WMAH-230D25-O)

    • INDOOR UNIT (12K) x 1

    MRCOOL DIY® 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler 230V (DIY-12-HP-WMAH-230D25-O)

    • INDOOR UNIT (24K) x 1

    MRCOOL DIY® 5th Gen 24,000 BTU Multi-Zone Mini Split Air Handler 230V (DIY-24-HP-WMAH-230D25-O)

    • REMOTE CONTROL x 3

    NOTE: Line sets are not included. Please choose your line set above.

    SPECIFICATIONS:

    SYSTEM OVERVIEW
    System Type Ductless Mini Split Air Conditioner & Heat Pump
    Zones 3
    Capacity Total: 42,000 BTU
    Zone 1: 6,000 BTU
    Zone 2: 12,000 BTU
    Zone 3: 24,000 BTU
    Coverage Area Total: 1,650 sq. ft.
    Zone 1: 150 sq. ft.
    Zone 2: 500 sq. ft.
    Zone 3: 1,000 sq. ft.
    Refrigerant R-454B
    Line Sets Included None - Choose Your Line Sets Above!
    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
    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
    INDOOR UNIT (6K) x 1
    Model DIY-06-HP-WMAH-230D25-O
    Dimensions 31.57" W x 7.44" D x 11.63" H
    Mounting Type Wall
    Cooling Capacity 6,000 BTU
    Heating Capacity 6,000 BTU
    Coverage Area 100 to 150 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.
    Weight 24.47 lbs
    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.
    Weight 24.47 lbs
    INDOOR UNIT (24K) x 1
    Model DIY-24-HP-WMAH-230D25-O
    Dimensions 42.52" W x 8.9" D x 13.19" H
    Mounting Type Wall
    Cooling Capacity 24,000 BTU
    Heating Capacity 24,000 BTU
    Coverage Area 751 to 1,000 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 35.93 lbs

    GUIDE:

    Installation Manual

    MRCOOL 5th Gen Brochure

    Energy Guide

    ARHI Certificate

    Remote Control Manual

    Warranty

    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.