MRCOOL DIY Mini Split - 54,000 BTU 3 Zone Ductless Air Conditioner and — Home Selection
VIP CARE HVAC & More
CONTACT US PAGE Support@ahomeselection.com REVIEWS
BUY IN BULK AND GET 10% OFF NOW Code "BULK"
BUY IN BULK AND GET 10% OFF NOW Code "BULK"
Call Button
Call Now Get up to $200 OFF when you call! Ends in 10:00

Customer Reviews

John D. "Great service! Highly recommend."

Jane S. "Saved $50 on my order."

Mike T. "Fast and reliable support."

MRCOOL DIY Mini Split - 54,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump

MRCOOL DIY Mini Split - 54,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP181818

Elevate your indoor climate control with the MRCOOL DIY Mini Split - 54,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP181818. Imagine being able to effortlessly manage the temperature in three separate zones, tailored to your unique comfort needs—all without professional help!

This advanced 4th Generation MRCOOL system includes a powerful 54,000 BTU Multi-Zone Condenser, paired with three efficient 18,000 BTU Wall Mounted Air Handlers. Each unit comes equipped with its own remote, allowing you to customize the atmosphere in different areas of your home with ease.

Take charge of your home’s comfort and enjoy the satisfaction of a simple DIY installation with the MRCOOL DIY Mini Split. It’s the ideal solution for effective heating and cooling, designed for your convenience!
Package Includes

This package does not include linesets, don't forgot to scroll up and add them!

If all air handlers are run simultaneously, their combined BTU output will not exceed the BTU rating of the condenser. In this case, the combined BTU output of the Air Handlers will never exceed the 48K BTU Rating of the Condenser

Condenser

  • Energy Efficient. This 5 Zone condenser, when paired with select MRCOOL air handlers, is capable of producing an impressive 20.5 SEER efficiency rating.
  • Works In All Environments. The capability to continue to deliver heating performance when temperatures reach 5°F
  • Lifetime Warranty. For added peace of mind, this is the only condenser on the market that comes with a limited lifetime compressor warranty. Simply register into the MRCOOL Care Program to get the lifetime warranty!

    Air Handler, 18K BTU, Quantity 3

    • Large Coverage Area. Handler covers an area up to 750 sq. ft.
    • Versatile. Incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
    • Easy to Control. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app.
    • Convenient Installation. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate.

        PRODUCT SPECIFICATIONS:
        Condenser

        Product Dimensions 37.48"W x 16.34"D x 52.48"H
        Cooling Capacity 48,000 BTU
        Heating Capacity 48,000 BTU
        Zone Capacity 5
        Cool Mode - Outdoor Operating Temperature Range 5F ~ 122F
        Heat Mode - Outdoor Operating Temperature Range 5F ~ 75.2F
        SEER 20.5
        EER 11
        Voltage Requires a minimum of 208V-230V/60HZ/40-60A (please check your home meets this electrical requirement prior to purchase)
        Registered Warranty
        		 7 Years Replacement on Condenser, 5 Years Parts


        Air Handler 18K BTU

        Product Dimensions 42.52"W x 8.90"D x 13.19"H
        Mount Type Wall
        Cooling Capacity 18,000 BTU
        Heating Capacity 18,000 BTU
        Registered Warranty
        		 5 Years Parts
        Modes Auto - auto selects from Cool, Heat or Fan-Only
        Dry - dehumidify
        Cool
        Heat
        Fan Only
        Quiet
        Sleep
        Installation Manual
        Product Brochure
        Performance Specifications
        Warranty
        Energy Guide
        AHRI Certificate

        Free Express Shipping on All orders within the USA

        Read Our Shipping Policy Here

        30 Day Free Returns on all orders

        Read about our Returns Policy Here

        Request A Quote

        Skip to content
        ★★★★★ Rated 4.8/5 by HVAC Professionals Trusted by Over 1,000 HVAC Technicians Nationwide
        MRCOOL DIY Mini Split - 54,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP181818 COMPLETE SET

        MRCOOL DIY Mini Split - 54,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP181818

        by MRCOOL
        SKU DIY-B-348HP181818
        In stock | ETA: to
        Save $909.00
        $5,895.00
        $4,986.00

        Notify me when back in stock

        FREE EXPRESS SHIPPING Process orders in 1 business day
        STRESS FREE RETURNS 2 Year Returns
        Primum Quality Top Tier Products, Even Better Customer Care
        5 Year Warranty We Believe In Our Products & Our Team
        Professional Services Get service quotes the same day
        MRCOOL DIY Mini Split - 54,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP181818
        $5,895.00
        $4,986.00
        Product successfully added to your cart!

        ACCESSORIES FOR MRCOOL

        MRCOOL DIYCOUPLER-14 + DIYCOUPLER-12 w/50 ft of Communication Wire, DIYCOUPLER-1412K50

        MRCOOL DIYCOUPLER-14 + DIYCOUPLER-12 w/50 ft of Communication Wire, DIYCOUPLER-1412K50

        $105.00

        MRCOOL 50FT 1/4 x 1/2 Flared Line Set Kit for 12K and 18K Olympus and Advantage Mini Split, MC50-1412

        MRCOOL 50FT 1/4 x 1/2 Flared Line Set Kit for 12K and 18K Olympus and Advantage Mini Split, MC50-1412

        $315.00

        MRCOOL 25 ft. Pre-Charged 3/8

        MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV25-3834

        $370.00

        MRCOOL LineGuard Set Cover for MRCOOL Ductless Mini Split Systems - 12 Feet, MLG450

        MRCOOL LineGuard Set Cover for MRCOOL Ductless Mini Split Systems - 12 Feet, MLG450

        $133.00

        MRCOOL 8kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK08

        MRCOOL 8kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK08

        $164.00

        MRCOOL 20kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK20

        MRCOOL 20kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK20

        $442.00

        MRCOOL 10kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK10

        MRCOOL 10kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK10

        $197.00

        MRCOOL 15kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK15

        MRCOOL 15kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK15

        $213.00

        MRCOOL 35 FT Pre-Charged 3/8

        MRCOOL 35 FT Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV35-3834

        $485.00

        MRCOOL 25 ft. Pre-Charged 3/8

        MRCOOL 25 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV25-3834

        $370.00

        MRCOOL® DIY Tool Kit - Wrench, Hole Saw, Tool Bag

        MRCOOL® DIY Tool Kit - Wrench, Hole Saw, Tool Bag

        $69.99

        MRCOOL® Mini Split Cleaning Care Kit

        MRCOOL® Mini Split Cleaning Care Kit

        $79.99

        MRCOOL Downflow Application 14 In. Square to Round Adaptor Kit for 2-3 Signature Packaged Units, M14DSR4260A

        MRCOOL Downflow Application 14 In. Square to Round Adaptor Kit for 2-3 Signature Packaged Units, M14DSR4260A

        $106.00

        MRCOOL 25FT 1/4 x 1/2 Flared Line Set Kit for 12K and 18K Olympus and Advantage Mini Split, MC25-1412

        MRCOOL 25FT 1/4 x 1/2 Flared Line Set Kit for 12K and 18K Olympus and Advantage Mini Split, MC25-1412

        $137.00

        MRCOOL 25FT 3/8 x 5/8 Flared Line Set Kit for 24K Olympus and Advantage Mini Split, MC25-3858

        MRCOOL 25FT 3/8 x 5/8 Flared Line Set Kit for 24K Olympus and Advantage Mini Split, MC25-3858

        $151.00

        MRCOOL 50FT 1/4 x 3/8 Flared Line Set Kit for 9K Olympus and Advantage Mini Split, MC50-1438

        MRCOOL 50FT 1/4 x 3/8 Flared Line Set Kit for 9K Olympus and Advantage Mini Split, MC50-1438

        $308.00

        MRCOOL 50FT 3/8 x 5/8 Flared Line Set Kit for 24K Olympus and Advantage Mini Split, MC50-3858

        MRCOOL 50FT 3/8 x 5/8 Flared Line Set Kit for 24K Olympus and Advantage Mini Split, MC50-3858

        $329.00

        MRCOOL DIY 50ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor, 4th Generation, DIY50-3858C

        MRCOOL DIY 50ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor, 4th Generation, DIY50-3858C

        $565.00

        MRCOOL DIYCOUPLER-58 + DIYCOUPLER-38 + 75ft MC-5 Cable, 4th Gen, DIYCOUPLER-3858K75C

        MRCOOL DIYCOUPLER-58 + DIYCOUPLER-38 + 75ft MC-5 Cable, 4th Gen, DIYCOUPLER-3858K75C

        $393.00

        MRCOOL 5 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK05H

        MRCOOL 5 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK05H

        $149.00

        MRCOOL 7.5 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK07H

        MRCOOL 7.5 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK07H

        $181.00

        MRCOOL 10 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK10H

        MRCOOL 10 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK10H

        $194.00

        MRCOOL 15 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK15H

        MRCOOL 15 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK15H

        $295.00

        MRCOOL 5 KW Heat Strip with Circuit Breaker for Packaged Units, MHK05P

        MRCOOL 5 KW Heat Strip with Circuit Breaker for Packaged Units, MHK05P

        $163.00

        MRCOOL 20 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK20H

        MRCOOL 20 KW Signature Air Handler Heat Strip with Circuit Breaker, MHK20H

        $331.00

        MRCOOL 7.5 KW Heat Strip with Circuit Breaker for Packaged Units, MHK07P

        MRCOOL 7.5 KW Heat Strip with Circuit Breaker for Packaged Units, MHK07P

        $179.00

        MRCOOL 10 KW Heat Strip with Circuit Breaker for Packaged Units, MHK10P

        MRCOOL 10 KW Heat Strip with Circuit Breaker for Packaged Units, MHK10P

        $194.00

        MRCOOL 15 KW Heat Strip with Circuit Breaker for Packaged Units, MHK15P

        MRCOOL 15 KW Heat Strip with Circuit Breaker for Packaged Units, MHK15P

        $264.00

        MRCOOL 20 KW Heat Strip with Circuit Breaker for Packaged Units, MHK20P

        MRCOOL 20 KW Heat Strip with Circuit Breaker for Packaged Units, MHK20P

        $367.00

        MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK05B

        MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK05B

        $159.00

        MRCOOL 7.5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK07B

        MRCOOL 7.5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK07B

        $190.00

        MRCOOL 10 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK10B

        MRCOOL 10 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK10B

        $200.00

        MRCOOL 15 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK15B

        MRCOOL 15 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK15B

        $306.00

        MRCOOL 20 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK20B

        MRCOOL 20 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK20B

        $351.00

        MRCOOL 5kw ProDirect Heat Kit, PHK05H

        MRCOOL 5kw ProDirect Heat Kit, PHK05H

        $178.00

        MRCOOL 7.5kw ProDirect Heat Kit, PHK07H

        MRCOOL 7.5kw ProDirect Heat Kit, PHK07H

        $234.00

        MRCOOL 10kw ProDirect Heat Kit, PHK10H

        MRCOOL 10kw ProDirect Heat Kit, PHK10H

        $130.00

        MRCOOL 15kw ProDirect Heat Kit, PHK15H

        MRCOOL 15kw ProDirect Heat Kit, PHK15H

        $210.00

        MRCOOL 20kw ProDirect Heat Kit, PHK20H

        MRCOOL 20kw ProDirect Heat Kit, PHK20H

        $214.00

        MRCOOL 5 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK05U

        MRCOOL 5 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK05U

        $137.00

        MRCOOL 8 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK08U

        MRCOOL 8 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK08U

        $162.00

        MRCOOL 10 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK10U

        MRCOOL 10 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK10U

        $169.00

        MRCOOL 15 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK15U

        MRCOOL 15 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK15U

        $260.00

        MRCOOL 20 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK20U

        MRCOOL 20 KW Universal Air Handler Heat Strip with Circuit Breaker, MHK20U

        $306.00

        MRCOOL 16FT 1/4

        MRCOOL 16FT 1/4" x 3/8" Flared Line Set Kit for 9K Olympus and Advantage Mini Split, MC16-1438

        $121.00

        MRCOOL 16FT 1/4

        MRCOOL 16FT 1/4" x 1/2" Flared Line Set Kit for 12K and 18K Olympus and Advantage Mini Split, MC16-1412

        $133.00

        MRCOOL 16FT 3/8

        MRCOOL 16FT 3/8" x 5/8" Flared Line Set Kit for 24K Olympus and Advantage Mini Split, MC16-3858

        $144.00

        MRCOOL Pre-Charged 3/8

        MRCOOL Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV15-3834

        $288.00

        MRCOOL 50 ft. Pre-Charged 3/8

        MRCOOL 50 ft. Pre-Charged 3/8" x 3/4" No-Vac Quick Connect Line Set for Central Ducted and Universal Series, NV50-3834

        $598.00

        MRCOOL 3/4 Flare-to-Weld Fitting, WF-34

        MRCOOL 3/4 Flare-to-Weld Fitting, WF-34

        $26.25

        MRCOOL DIY Mini Split - 54,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP181818 Reviews

        Build the perfect HVAC unit

        Get up to 40% OFF on your next system with our custom tool!

        Build Your SYSTEM

        Latest from HVAC & More

        • How Much Does a MRCOOL cost?

          How much does it cost to install a MRCOOL mini split? That's the question we hear from customers ...

          Read more

        • Mini Split Cost vs Central Air: Comparing Cooling Options for Your Home

          Read more

        • How to Add Refrigerant to Mini Split: A Quick Guide for Techs

          Read more

        Read about HVAC

        FREE EXPRESS SHIPPING

        Process orders in 1 business day

        Stress Free Returns

        2 Year Returns

        Primum Quality

        Top Tier Products, Even Better Customer Care

        5 Year Warranty

        We Believe In Our Products & Our Team