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MRCOOL DIY Mini Split - 48,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit, DIYM448HPC03C00

SKU DIYM448HPC03C00
by MRCOOL
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Description

MRCOOL DIY Mini Split - 48,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit (DIYM448HPC03C00)

Imagine transforming your space into a haven of perfect comfort, where every room feels just right—cool in the summer, warm in the winter, and always inviting. The MRCOOL DIY 48,000 BTU 4 Zone Ceiling Cassette Mini Split is designed to make that vision a reality, delivering powerful, efficient climate control across four distinct zones with the ease and freedom of a true DIY installation.

Take Control of Your Comfort Like a Pro

As a business owner or contractor handling multiple installs, you understand the value of equipment that performs reliably and installs quickly. This system empowers you to deliver premium comfort solutions without the hassle of complicated setups or expensive technician fees. With MRCOOL’s patented Pre-Charged Quick Connect Line Sets, you can confidently install the system yourself—no vacuum pumps or specialized tools required. Imagine the time and money saved while impressing your clients with a sleek, professional finish.

Powerful Performance Meets Sleek Design

The 48,000 BTU condenser is engineered for outstanding efficiency, boasting a remarkable 20.5 SEER2 and 8.5 HSPF-5 rating. It’s built tough with a Gold Fin® coating that guards against corrosion, ensuring your system stands strong through the seasons. Whether it’s the heat of summer or the chill of winter down to 5°F, this unit delivers consistent, energy-efficient climate control that your customers will appreciate.

Tailored Comfort for Every Room

This 4-zone system includes three ceiling cassette air handlers—9,000 BTU, 12,000 BTU, and 18,000 BTU—designed to fit discreetly between standard 16” ceiling joists. Whether you’re cooling a cozy 180 sq ft office or heating a spacious 750 sq ft workshop, each air handler works independently, giving you precise control over every space. Your customers will love the clean, unobtrusive look and the convenience of managing their environment remotely through the SmartHVAC app.

Simplify Your Installation, Amplify Your Value

Installation has never been easier. The pre-charged line sets eliminate the guesswork and mess of traditional refrigerant handling. Plus, with the option to extend reach using coupler kits, you can confidently tackle any layout or building size. This system isn’t just about comfort—it’s about making your job easier, faster, and more profitable.


Quick Highlights:
  • 48,000 BTU condenser: High efficiency and durable Gold Fin® protection
  • Four-zone capability: Independent control for multiple rooms or zones
  • Three ceiling cassette air handlers: Fits between 16” joists, covering 180–750 sq ft areas
  • SmartHVAC app: Remote climate control at your fingertips
  • DIY-friendly installation: Pre-charged Quick Connect Line Sets for fast, tool-free setup
  • Robust warranty: 7 years on compressor and 5 years on parts

Step into the future of HVAC installations with MRCOOL’s DIY Mini Split system—where professional-grade performance meets unmatched convenience. Deliver outstanding comfort, reduce your labor costs, and grow your business with a system designed for installers who demand the best.

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)

  • Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 9k BTU Ceiling Cassette fits seamlessly between 16” ceiling joists, delivering a sleek and space-saving installation.
  • Multi-Zone Compatibility: Designed to integrate with the DIY 4th gen MZ system, it enables multi-zone configurations and eliminates the need for ductwork.
  • Ideal Coverage Area: Perfect for spaces ranging from 180 to 375 square feet, making it suitable for both small and medium-sized rooms.
  • Remote Control Access: Enjoy effortless control with SmartHVAC app compatibility, enabling management from anywhere via a smartphone or tablet.
  • Effortless Installation: Simplify setup with MRCOOL’s Pre-Charged Quick Connect Line Set—no vacuuming or special tools needed.

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: 4 Zone

  • Air Handler BTU:

    Air Handler BTU: 9k + 9k + 12k + 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 & 5-year parts warranty

Description

MRCOOL DIY Mini Split - 48,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit (DIYM448HPC03C00)

Imagine transforming your space into a haven of perfect comfort, where every room feels just right—cool in the summer, warm in the winter, and always inviting. The MRCOOL DIY 48,000 BTU 4 Zone Ceiling Cassette Mini Split is designed to make that vision a reality, delivering powerful, efficient climate control across four distinct zones with the ease and freedom of a true DIY installation.

Take Control of Your Comfort Like a Pro

As a business owner or contractor handling multiple installs, you understand the value of equipment that performs reliably and installs quickly. This system empowers you to deliver premium comfort solutions without the hassle of complicated setups or expensive technician fees. With MRCOOL’s patented Pre-Charged Quick Connect Line Sets, you can confidently install the system yourself—no vacuum pumps or specialized tools required. Imagine the time and money saved while impressing your clients with a sleek, professional finish.

Powerful Performance Meets Sleek Design

The 48,000 BTU condenser is engineered for outstanding efficiency, boasting a remarkable 20.5 SEER2 and 8.5 HSPF-5 rating. It’s built tough with a Gold Fin® coating that guards against corrosion, ensuring your system stands strong through the seasons. Whether it’s the heat of summer or the chill of winter down to 5°F, this unit delivers consistent, energy-efficient climate control that your customers will appreciate.

Tailored Comfort for Every Room

This 4-zone system includes three ceiling cassette air handlers—9,000 BTU, 12,000 BTU, and 18,000 BTU—designed to fit discreetly between standard 16” ceiling joists. Whether you’re cooling a cozy 180 sq ft office or heating a spacious 750 sq ft workshop, each air handler works independently, giving you precise control over every space. Your customers will love the clean, unobtrusive look and the convenience of managing their environment remotely through the SmartHVAC app.

Simplify Your Installation, Amplify Your Value

Installation has never been easier. The pre-charged line sets eliminate the guesswork and mess of traditional refrigerant handling. Plus, with the option to extend reach using coupler kits, you can confidently tackle any layout or building size. This system isn’t just about comfort—it’s about making your job easier, faster, and more profitable.


Quick Highlights:
  • 48,000 BTU condenser: High efficiency and durable Gold Fin® protection
  • Four-zone capability: Independent control for multiple rooms or zones
  • Three ceiling cassette air handlers: Fits between 16” joists, covering 180–750 sq ft areas
  • SmartHVAC app: Remote climate control at your fingertips
  • DIY-friendly installation: Pre-charged Quick Connect Line Sets for fast, tool-free setup
  • Robust warranty: 7 years on compressor and 5 years on parts

Step into the future of HVAC installations with MRCOOL’s DIY Mini Split system—where professional-grade performance meets unmatched convenience. Deliver outstanding comfort, reduce your labor costs, and grow your business with a system designed for installers who demand the best.

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)

  • Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 9k BTU Ceiling Cassette fits seamlessly between 16” ceiling joists, delivering a sleek and space-saving installation.
  • Multi-Zone Compatibility: Designed to integrate with the DIY 4th gen MZ system, it enables multi-zone configurations and eliminates the need for ductwork.
  • Ideal Coverage Area: Perfect for spaces ranging from 180 to 375 square feet, making it suitable for both small and medium-sized rooms.
  • Remote Control Access: Enjoy effortless control with SmartHVAC app compatibility, enabling management from anywhere via a smartphone or tablet.
  • Effortless Installation: Simplify setup with MRCOOL’s Pre-Charged Quick Connect Line Set—no vacuuming or special tools needed.

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

You'll hear from us during business hours

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  • ✓ Pre-Vetted, Licensed & Insured Installers
  • ✓ 2-3 Local Options in Your Area
  • ✓ Specialists in Your Equipment Type
  • ✓ Competitive, Transparent Pricing
  • ✓ 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!"
- Jennifer M., Homeowner, Phoenix AZ

✓ No obligation quotes | ✓ All installers background checked | ✓ Free service - you only pay the installer

We'll connect you with installers within 48 hours during business days

Frequently Asked Questions about MRCOOL DIY Mini Split - 48,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit, DIYM448HPC03C00

Most Frequently Asked Questions

A MRCOOL mini split typically lasts 10 to 20 years with proper installation and regular maintenance.
A MRCOOL mini split typically lasts 10 to 20 years with proper installation and regular maintenance.
Gen 5 MRCOOL mini splits use a more eco-friendly R454B refrigerant, have higher energy efficiency, quieter operation, improved cold-weather performance, and greater rebate eligibility compared to Gen 4

Other Questions

Installing a MRCOOL mini split system typically costs between $3,000 and $10,000, depending on factors like system size, number of zones, and installation complexity, with DIY installation potentially saving $500 to $2,000 in labor costs
Yes, mini-split systems are worth it for many homeowners because they offer efficient, customizable heating and cooling without ductwork, leading to energy savings, quieter operation, and flexible installation—especially beneficial for homes without existing ducts or for zoning specific areas.

Reviews

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