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MRCOOL DIY Mini Split - 48,000 BTU 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM348HPC01C74

SKU DIYM348HPC01C74
by MRCOOL
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Description

MRCOOL DIY Mini Split - 48,000 BTU 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM348HPC01C74

Step into advanced comfort and energy efficiency with the MRCOOL DIY Mini Split 48,000 BTU 3 Zone Ceiling Cassette system — a versatile, powerful solution designed for business owners, contractors, and HVAC professionals who want multi-zone climate control with simplified installation. Trusted by thousands, this 4th generation system lets you deliver customized comfort with the convenience of DIY installation.

Precise Comfort Across Three Zones

Picture offering your clients tailored heating and cooling with three independently controlled zones. This system includes one 12,000 BTU and two 18,000 BTU OuttaSight Ceiling Cassette air handlers, designed to fit neatly between 16” ceiling joists for a sleek and modern appearance. Ideal for spaces ranging from 376 to 750 square feet, it provides efficient, quiet comfort suited for homes, garages, workshops, or commercial spaces.

Efficiency and Durability You Can Count On

Envision a system that combines high energy efficiency with rugged durability. With a 20.5 SEER2 and 8.5 HSPF-5 rating, this unit reduces energy consumption while maintaining consistent comfort. The Gold Fin® coated condenser offers protection against corrosion and wear, perfect for harsh or coastal environments. Plus, it reliably heats even when outdoor temperatures drop to 5°F.

Effortless Installation to Save Time and Money

Imagine cutting installation time and costs with MRCOOL’s patented Pre-Charged Quick Connect Line Sets. These line sets come pre-filled with R-410A refrigerant, allowing fast, tool-free installation without vacuum pumps or specialized HVAC tools. The included coupler kit lets you extend line sets easily, providing flexibility for larger or uniquely configured spaces.

Smart Control for Ultimate Convenience

Picture your clients adjusting their climate settings from anywhere using the SmartHVAC app. Whether at home or away, they can control temperature, modes, and schedules remotely, enhancing comfort and user satisfaction.

Key Features at a Glance
  • Pre-Charged Quick Connect Line Sets: Fast, tool-free installation saving time and money.
  • Three-Zone Flexibility: Independent control for customized comfort across multiple rooms.
  • Compact Ceiling Cassette Design: Fits discreetly within ceiling joists for a clean look.
  • Durable and Efficient: Gold Fin® coating and high SEER2/HSPF ratings for lasting performance.
  • Comprehensive Warranty: 7-year compressor and 5-year parts warranty.
  • SmartHVAC App: Remote control for convenience and flexibility.

The MRCOOL DIY Mini Split 48,000 BTU 3 Zone Ceiling Cassette system with 50 ft. install kit is your professional-grade solution for delivering efficient, customizable, and hassle-free multi-zone comfort. Impress your clients with a system built for performance, ease of installation, and long-term reliability.

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 (12K BTU)

  • Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 12k BTU Ceiling Cassette fits easily between 16” ceiling joists for a modern, low-profile look.
  • Multi-Zone Compatibility: Operates smoothly with the DIY 4th gen MZ system to support multi-zone configurations and remove the need for ductwork.
  • Ideal Coverage Area: Designed to efficiently heat or cool spaces between 376 and 500 square feet.
  • Remote Control Access: Gain full control of your unit with the SmartHVAC app, providing convenience from virtually anywhere.
  • Effortless Installation: Installation is a breeze with MRCOOL’s Pre-Charged Quick Connect Line Set, allowing a fast and simple setup process.

Air Handler (18K BTU)

  • Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 18k BTU Ceiling Cassette fits neatly within 16” ceiling joists for a clean and unobtrusive appearance.
  • Multi-Zone Compatibility: Built to work with the DIY 4th gen MZ system for multi-zone functionality and ductless operation.
  • Ideal Coverage Area: Capable of managing heating and cooling needs in spaces of 501 to 750 square feet with ease.
  • Remote Control Access: Take full command using the SmartHVAC app, ensuring convenience whether at home or away.
  • Effortless Installation: With MRCOOL’s Pre-Charged Quick Connect Line Set, setting up the unit is fast and hassle-free—no professional tools required.

Line Set

  • Optimized System Performance: The advanced copper line set connects the MRCOOL Condenser to MRCOOL Air Handlers, enhancing performance for your Multi-Zone system. One line set per indoor unit ensures seamless operation.
  • Pre-Charged Convenience: Designed for simplicity, these line sets are pre-filled with R-410A refrigerant, making installation quick and hassle-free.
  • DIY and Cost Savings: Skip the expensive technician fees with our user-friendly design. Install confidently and save money without compromising quality.
  • Extended Flexibility: Need additional reach? Our coupler kit allows you to effortlessly connect two standard line sets, ensuring unlimited cooling and heating coverage.
Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US
Request an Installer

Product Overview

  • Zone / ROOM:

    Zone / ROOM: 3 Zone

  • Air Handler BTU:

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

  • Condenser BTU:

    Condenser BTU: 48k

  • Outdoor Operating Temp (Cool/ heat):

    Outdoor Operating Temp (Cool/ heat): Heating -13°F to 75.2°F & Cooling 5°F to 122°F

  • Warranty

    Warranty 7-year compressor warranty & 5-year parts warranty

Description

MRCOOL DIY Mini Split - 48,000 BTU 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM348HPC01C74

Step into advanced comfort and energy efficiency with the MRCOOL DIY Mini Split 48,000 BTU 3 Zone Ceiling Cassette system — a versatile, powerful solution designed for business owners, contractors, and HVAC professionals who want multi-zone climate control with simplified installation. Trusted by thousands, this 4th generation system lets you deliver customized comfort with the convenience of DIY installation.

Precise Comfort Across Three Zones

Picture offering your clients tailored heating and cooling with three independently controlled zones. This system includes one 12,000 BTU and two 18,000 BTU OuttaSight Ceiling Cassette air handlers, designed to fit neatly between 16” ceiling joists for a sleek and modern appearance. Ideal for spaces ranging from 376 to 750 square feet, it provides efficient, quiet comfort suited for homes, garages, workshops, or commercial spaces.

Efficiency and Durability You Can Count On

Envision a system that combines high energy efficiency with rugged durability. With a 20.5 SEER2 and 8.5 HSPF-5 rating, this unit reduces energy consumption while maintaining consistent comfort. The Gold Fin® coated condenser offers protection against corrosion and wear, perfect for harsh or coastal environments. Plus, it reliably heats even when outdoor temperatures drop to 5°F.

Effortless Installation to Save Time and Money

Imagine cutting installation time and costs with MRCOOL’s patented Pre-Charged Quick Connect Line Sets. These line sets come pre-filled with R-410A refrigerant, allowing fast, tool-free installation without vacuum pumps or specialized HVAC tools. The included coupler kit lets you extend line sets easily, providing flexibility for larger or uniquely configured spaces.

Smart Control for Ultimate Convenience

Picture your clients adjusting their climate settings from anywhere using the SmartHVAC app. Whether at home or away, they can control temperature, modes, and schedules remotely, enhancing comfort and user satisfaction.

Key Features at a Glance
  • Pre-Charged Quick Connect Line Sets: Fast, tool-free installation saving time and money.
  • Three-Zone Flexibility: Independent control for customized comfort across multiple rooms.
  • Compact Ceiling Cassette Design: Fits discreetly within ceiling joists for a clean look.
  • Durable and Efficient: Gold Fin® coating and high SEER2/HSPF ratings for lasting performance.
  • Comprehensive Warranty: 7-year compressor and 5-year parts warranty.
  • SmartHVAC App: Remote control for convenience and flexibility.

The MRCOOL DIY Mini Split 48,000 BTU 3 Zone Ceiling Cassette system with 50 ft. install kit is your professional-grade solution for delivering efficient, customizable, and hassle-free multi-zone comfort. Impress your clients with a system built for performance, ease of installation, and long-term reliability.

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 (12K BTU)

  • Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 12k BTU Ceiling Cassette fits easily between 16” ceiling joists for a modern, low-profile look.
  • Multi-Zone Compatibility: Operates smoothly with the DIY 4th gen MZ system to support multi-zone configurations and remove the need for ductwork.
  • Ideal Coverage Area: Designed to efficiently heat or cool spaces between 376 and 500 square feet.
  • Remote Control Access: Gain full control of your unit with the SmartHVAC app, providing convenience from virtually anywhere.
  • Effortless Installation: Installation is a breeze with MRCOOL’s Pre-Charged Quick Connect Line Set, allowing a fast and simple setup process.

Air Handler (18K BTU)

  • Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 18k BTU Ceiling Cassette fits neatly within 16” ceiling joists for a clean and unobtrusive appearance.
  • Multi-Zone Compatibility: Built to work with the DIY 4th gen MZ system for multi-zone functionality and ductless operation.
  • Ideal Coverage Area: Capable of managing heating and cooling needs in spaces of 501 to 750 square feet with ease.
  • Remote Control Access: Take full command using the SmartHVAC app, ensuring convenience whether at home or away.
  • Effortless Installation: With MRCOOL’s Pre-Charged Quick Connect Line Set, setting up the unit is fast and hassle-free—no professional tools required.

Line Set

  • Optimized System Performance: The advanced copper line set connects the MRCOOL Condenser to MRCOOL Air Handlers, enhancing performance for your Multi-Zone system. One line set per indoor unit ensures seamless operation.
  • Pre-Charged Convenience: Designed for simplicity, these line sets are pre-filled with R-410A refrigerant, making installation quick and hassle-free.
  • DIY and Cost Savings: Skip the expensive technician fees with our user-friendly design. Install confidently and save money without compromising quality.
  • Extended Flexibility: Need additional reach? Our coupler kit allows you to effortlessly connect two standard line sets, ensuring unlimited cooling and heating coverage.
Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US

Commercial HVAC PROS!

Unlock Installer Benefits Now:

  • ✓ Exclusive BULK Pricing
  • ✓ Limited Time Deals
  • ✓ Unmatched Service & Support
  • ✓ Technical support
  • ✓ Extended Warranty & Maintenance
"Their technical expertise in commercial HVAC systems is outstanding. From equipment selection to installation support, they provided everything we needed. The bulk pricing saved us thousands on our multi-building project, and their 24/7 technical support kept us running smoothly."
- Marcus R., HVAC Project Manager, 06/24

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  • ✓ Pre-Vetted, Licensed & Insured Installers
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  • ✓ Fast Response - Within 24 Hours

How it works:

1. Fill out the form below with your project details
2. We'll match you with 2-3 qualified installers in your area
3. Installers contact you directly with quotes and availability
4. You choose the best fit for your project

"I bought a heat pump online but wasn't sure about installation. HVAC Hive connected me with three local contractors within hours. I chose one based on reviews and pricing - he installed it perfectly the next week. Made the whole process so much easier!"
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Frequently Asked Questions about MRCOOL DIY Mini Split - 48,000 BTU 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM348HPC01C74

Most Frequently Asked Questions

Mr. Cool DIY mini splits stand out for their straightforward installation process and dependable operation, making them a convenient and cost-effective option for homeowners who prefer to handle their own HVAC upgrades.
A MRCOOL mini-split typically lasts 10 to 20 years with proper installation and regular maintenance
Installing a MRCOOL mini split system usually costs anywhere from $3,000 to $10,000, depending on factors like the size of the unit, how many zones you need, and the complexity of the setup, and you can often cut $500 to $2,000 off the total by handling the installation yourself.

Other Questions

Yes, mini-split systems are often worth it because they provide efficient, zoned heating and cooling without ductwork, offer energy savings, quieter operation, and flexible installation options—especially ideal for homes without existing ducts or for targeted room-by-room climate control.
A split system typically refers to a central HVAC system with an outdoor condenser and an indoor air handler connected via ductwork to cool or heat an entire home, while a mini-split (or ductless split) also has an outdoor condenser and indoor unit but delivers heating and cooling directly to individual rooms without ductwork, offering more flexible, zoned climate control.

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Express Free Shipping

Process orders within 1-2 days

Stress Free Returns

Get Covered for (730 days) Returns

Premum Quality

Top Tier Products, Even Better Customer Care

5 Year Warranty

We Believe In Our Products & Our Team