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LOWEST PRICES GUARANTEED | NO SALES TAX | SPEAK WITH AN EXPERT: (916)-999-9937
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MRCOOL DIY 5th Gen 3-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (12K+18K+18K) (DIYM348HP)

by MRCOOL
SKU DIYM348HPW17D00
Original price $6,484.00 - Original price $7,564.00
Original price
$6,484.00
$6,484.00 - $7,564.00
Current price $6,484.00
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MRCOOL DIY 5th Gen 3-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (12K+18K+18K) (DIYM348HP)

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

Comfort for Three Rooms
Perfectly condition three spaces—one at 500 sq. ft. and two at 750 sq. ft.—each with its own temperature setting for truly personalized comfort.

Made for Real DIYers
Skip the high install costs. No HVAC license, no specialized equipment—if you can use everyday hand tools, you can install this system.

Fast, Clean Setup
Pre-charged Quick-Connect® line sets eliminate refrigerant handling and vacuuming. Just connect, tighten, and enjoy.

Efficiency That Pays Off
With up to 21.8 SEER2 cooling performance and 10 HSPF2-4 heating efficiency, this system keeps your energy usage low year-round.

Reliable in Every Season
Stay warm even when winter hits hard—the MRCOOL DIY heats effectively down to –13°F.

Backed by a Strong Warranty
Enjoy peace of mind with a 7-year compressor warranty and 5-year parts coverage.

When summer scorches or winter bites, the MRCOOL DIY Mini Split keeps every room comfortable—and your energy bills under control.
Smart. Simple. Affordable.

WHAT YOU GET:

    • OUTDOOR UNIT (48K) x 1

    MRCOOL DIY® 5th Gen 48,000 BTU 6-Zone Multi-Zone Mini Split Condenser 230V (DIY-MULTI6-48HP230D-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 (18K) x 2

    MRCOOL DIY® 5th Gen 18,000 BTU Multi-Zone Mini Split Air Handler 230V (DIY-18-HP-WMAH-230D25-O)

          • REMOTE CONTROL x 3
          • PRE-CHARGED LINE SETS x 3

          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 3
          Capacity Total: 48,000 BTU
          Zone 1: 12,000 BTU
          Zone 2: 18,000 BTU
          Zone 3: 18,000 BTU
          Coverage Area Total: 2,000 sq. ft.
          Zone 1: 500 sq. ft.
          Zone 2: 750 sq. ft.
          Zone 3: 750 sq. ft
          Refrigerant R-454B
          Line Sets Included 3 x Pre-Charged Line Sets
          Warranty 7 Years Compressor
          5 Years Parts
          OUTDOOR UNIT (48K) x 1
          Model DIY-MULTI6-48HP230D-O
          Dimensions 37.48" W x 16.34" D x 52.48" H
          Cooling Capacity 43,000 BTU
          SEER2 21.8
          EER2 12.0
          Heating Capacity 48,000 BTU
          HSPF2-4 10.0
          HSPF2-5 7.8
          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 40.0A
          Max Fuse Breaker 45.0A
          Weight 223.77 lbs
          Certifications ENERGY STAR Certified
          AHRI Certified
          UL Listed
          ETL Listed
          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 (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.
          Weight 35.49 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.