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MRCOOL DIY Mini Split - 39,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP091218

MRCOOL DIY Mini Split - 39,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP091218

SKU DIY-B-348HP091218

by MRCOOL
Authorized Dealer Official
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Returns icon STRESS FREE RETURNS: 2 Year Returns

VIP icon PREMIUM QUALITY: Top Tier Products, Even Better Customer Care

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$4,554.00

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MRCOOL Accessories

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

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

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

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

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

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

MRCOOL 10kW Heat Kit for Central Ducted VersaPro® & Hyper Heat 2nd Gen Air Handler, MVPHK10

MRCOOL 10kW Heat Kit for Central Ducted VersaPro® & Hyper Heat 2nd Gen Air Handler, MVPHK10

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

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

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

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

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

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

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

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

MRCOOL 25FT 1/4 x 3/8 Flared Line Set Kit for 9K Olympus and Advantage Mini Split, MC25-1438

MRCOOL 25FT 1/4 x 3/8 Flared Line Set Kit for 9K Olympus and Advantage Mini Split, MC25-1438

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

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

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

MRCOOL 3/8 Flare-to-Weld Fitting, WF-38

MRCOOL 3/8 Flare-to-Weld Fitting, WF-38

MRCOOL 3/8 No-Vac Coupler + 3/4 No-Vac Coupler for Central Ducted and Universal Series, NVCOUPLER-3834

MRCOOL 3/8 No-Vac Coupler + 3/4 No-Vac Coupler for Central Ducted and Universal Series, NVCOUPLER-3834

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

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

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

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

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

MRCOOL 5kW Heat Kit for Central Ducted VersaPro® & Hyper Heat 2nd Gen Air Handler, MVPHK05

MRCOOL 5kW Heat Kit for Central Ducted VersaPro® & Hyper Heat 2nd Gen Air Handler, MVPHK05

MRCOOL 5kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK05

MRCOOL 5kW Heat Kit for the Central Ducted Air Handler (Compatible with MRCOOL Hyper Heat & VersaPro Series), CENTRALHK05

MRCOOL 5kw ProDirect Heat Kit, PHK05H

MRCOOL 5kw ProDirect Heat Kit, PHK05H

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

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

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

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

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

MRCOOL 8kW Heat Kit for Central Ducted VersaPro® & Hyper Heat 2nd Gen Air Handler, MVPHK08

MRCOOL 8kW Heat Kit for Central Ducted VersaPro® & Hyper Heat 2nd Gen Air Handler, MVPHK08

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

MRCOOL Bluetooth Mini-Stat Thermostat for Ductless Mini Split in White, MTSK02

MRCOOL Bluetooth Mini-Stat Thermostat for Ductless Mini Split in White, MTSK02

MRCOOL Condenser Wall Mounting Kit for 24k to 36k BTU Ductless Split System, MB440A

MRCOOL Condenser Wall Mounting Kit for 24k to 36k BTU Ductless Split System, MB440A

MRCOOL Condenser Wall Mounting Kit for 9k to 18k BTU Ductless Split System, MB176

MRCOOL Condenser Wall Mounting Kit for 9k to 18k BTU Ductless Split System, MB176

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

MRCOOL DIYCOUPLER-38 + DIYCOUPLER-58 (Two Sets) w/75 ft of Communication Wire, DIYCOUPLER-3858K75

MRCOOL DIYCOUPLER-38 + DIYCOUPLER-58 (Two Sets) w/75 ft of Communication Wire, DIYCOUPLER-3858K75

MRCOOL DIYCOUPLER-38 + DIYCOUPLER-58 w/50 ft of Communication Wire, DIYCOUPLER-3858K50

MRCOOL DIYCOUPLER-38 + DIYCOUPLER-58 w/50 ft of Communication Wire, DIYCOUPLER-3858K50

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

MRCOOL Downflow Kit, MSHDK1830

MRCOOL Downflow Kit, MSHDK1830

MRCOOL Downflow Kit, MSHDK3660

MRCOOL Downflow Kit, MSHDK3660

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MRCOOL DIY Mini Split - 39,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP091218

Step into effortless comfort and total control with the MRCOOL 4th Generation DIY Mini Split system — a breakthrough solution designed for homeowners, contractors, and business owners who demand efficiency, flexibility, and simplicity. Imagine providing three distinct spaces with perfectly tailored climate control, all powered by a single, energy-smart system that you can install yourself without expensive professional help.

At the heart of this system is a robust 48,000 BTU multi-zone condenser that delivers exceptional performance with a remarkable 20.5 SEER2 rating for cooling and an 8.5 HSPF-5 for heating. Built to withstand the elements, its Gold Fin® coating protects against corrosion and wear, ensuring long-lasting durability. No matter how cold it gets outside—down to 5°F—this condenser keeps your spaces warm and cozy. Installation is streamlined thanks to MRCOOL’s patented Pre-Charged Quick Connect Line Sets, eliminating the need for vacuum pumps or refrigerant handling. Plus, with a 7-year compressor warranty and 5-year parts warranty, peace of mind comes standard.

9,000 BTU Air Handler
Perfect for smaller rooms up to 375 sq. ft., this unit offers multiple modes including COOL, HEAT, AUTO, DRY, and SLEEP to create the ideal atmosphere. Its compact, lightweight design ensures quick, hassle-free mounting. With SmartHVAC app compatibility, your customers can adjust settings from anywhere, anytime.

12,000 BTU Air Handler
Designed for medium-sized areas between 376 and 500 sq. ft., this handler delivers the same versatile modes and smart controls, giving users personalized comfort with ease. Installation is just as simple, thanks to the pre-charged quick connect system.

18,000 BTU Air Handler
For larger rooms or open spaces up to 750 sq. ft., this handler offers powerful, quiet performance and all the same convenient features. Its smart control and easy installation make it a perfect fit for a wide range of environments.

  • Save Time & Money: The pre-charged quick connect line sets make installation fast and straightforward—no special tools or technicians needed.
  • Smart Control: WiFi-enabled handlers allow remote management via the SmartHVAC app, delivering modern convenience your clients will love.
  • Built to Last: Durable components and comprehensive warranties protect your investment and keep your customers comfortable year after year.
  • Tailored Comfort: Three air handlers with different BTU capacities let you customize comfort for every room size and usage.

Whether outfitting a home, garage, workshop, or commercial space, the MRCOOL DIY Mini Split 3 Zone system empowers you to deliver professional-grade climate control with the ease of DIY installation. Picture the satisfaction of your customers enjoying perfect temperatures in every zone — all controlled effortlessly and installed quickly. This is more than an HVAC system; it’s your key to smarter, simpler, and more profitable installations.

Condenser (48K BTU)

  • Streamlined Installation: Take control with MRCOOL’s patented Pre-Charged Quick Connect Line Sets, making installation a breeze without the need for professional assistance.
  • Resilient Protection: Stay safeguarded against wear with the Gold Fin® condenser coating.
  • Unmatched Efficiency: Enjoy remarkable energy savings with a 20.5 SEER2 and 8.5 HSPF-5 rating.
  • Winter-Ready: Generate warmth reliably, even when outdoor temperatures reach as low as 5°F.
  • Comprehensive Warranty: Benefit from a 7-year compressor warranty and a 5-year parts warranty.

Air Handler (9K BTU)

  • Versatile Climate Control: Whether you're in the mood for COOL, HEAT, AUTO, DRY, or SLEEP, these Air Handlers ensure comfort year-round.
  • Perfect Room Coverage: Optimized for spaces ranging from 180 to 375 square feet, perfect for smaller spaces and cozy corners.
  • Smart Control Anywhere: Take command with SmartHVAC app compatibility, offering fingertip convenience from anywhere on the planet.
  • Effortless Installation: The compact and lightweight design makes mounting quick and simple, minimizing installation efforts.
  • Quick Connect System: With MRCOOL’s Pre-Charged Quick Connect Line Set, you can set up easily—no vacuuming or complex tools required!

Air Handler (12K BTU)

  • Versatile Climate Control: Enjoy personalized comfort with COOL, HEAT, AUTO, DRY, or SLEEP modes to suit any season or preference.
  • Perfect Room Coverage: Tailored for areas ranging from 376 to 500 square feet, ideal for medium-sized spaces.
  • Smart Control Anywhere: Take advantage of SmartHVAC app compatibility, giving you complete control remotely.
  • Effortless Installation: A compact and lightweight design allows for hassle-free mounting and setup.
  • Quick Connect System: Thanks to the MRCOOL Pre-Charged Quick Connect Line Set, installation is incredibly simple—no professional vacuuming needed!

Air Handler (18K BTU)

  • Versatile Climate Control: Easily adjust to COOL, HEAT, AUTO, DRY, or SLEEP modes for year-round comfort.
  • Perfect Room Coverage: Designed to suit spaces between 501 to 750 square feet, perfect for larger rooms and open areas.
  • Smart Control Anywhere: The SmartHVAC app compatibility lets you manage your system conveniently from anywhere.
  • Effortless Installation: The compact and lightweight design simplifies the mounting process significantly.
  • Quick Connect System: Simplify your setup with MRCOOL’s Pre-Charged Quick Connect Line Set—no extra tools required!

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Frequently Asked Questions About MRCOOL DIY Mini Split - 39,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP091218

Most Frequently Asked Questions

Other Questions

Product Overview

  • Zone / ROOM:

    Zone / ROOM: 3 Zone

  • Air Handler BTU:

    Air Handler BTU: 9k + 12k + 18k

  • Coverage Area:

    Coverage Area: 1625 sq.ft

  • Condenser BTU:

    Condenser BTU: 48k

  • Outdoor Operating Temp (Cool/ heat):

    Outdoor Operating Temp (Cool/ heat): -13°F (-25°C) for heating | 115°F (46°C) for cooling

  • Warranty

    Warranty 7 Year Compressor & 5 Year Parts

MRCOOL DIY Mini Split - 39,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-348HP091218 Reviews

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