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MRCOOL DIY Mini Split - 48,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 25 ft. Install Kit, DIYM448HPC03C84

SKU DIYM448HPC03C84
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 25 ft. Install Kit (DIYM448HPC03C84)

Experience customizable comfort and efficiency with the MRCOOL DIY 48,000 BTU 4 Zone Ceiling Cassette Mini Split — a versatile multi-zone system designed to deliver precise heating and cooling across four zones with easy, do-it-yourself installation.

Powerful and Efficient Condenser
  • 48,000 BTU Capacity: Provides robust heating and cooling power for multiple zones.
  • Streamlined Installation: Patented Pre-Charged Quick Connect Line Sets allow fast, tool-free installation without professional help.
  • Durable Protection: Gold Fin® coating guards the condenser against corrosion and wear.
  • Energy Efficient: Achieves a 20.5 SEER2 and 8.5 HSPF-5 rating for significant energy savings.
  • Winter Ready: Reliable heating down to 5°F outdoor temperature.
  • Warranty: 7-year compressor and 5-year parts warranty for peace of mind.
Multi-Size Air Handlers for Flexible Coverage

This 4-zone system includes a combination of ceiling cassette air handlers tailored to different room sizes:

  • 9,000 BTU Air Handler: Fits between 16” ceiling joists, ideal for 180–375 sq ft spaces.
  • 12,000 BTU Air Handler: Compact, low-profile design for 376–500 sq ft rooms.
  • 18,000 BTU Air Handler: Sleek installation for larger areas of 501–750 sq ft.

All air handlers support multi-zone operation without ductwork and are compatible with the DIY 4th Gen MZ system. Each unit offers:

  • SmartHVAC App Control: Manage your climate remotely from anywhere.
  • Effortless Installation: Pre-charged Quick Connect Line Sets enable fast setup without vacuuming or special tools.
Advanced Line Set Features
  • Optimized Performance: Copper line sets connect the condenser and air handlers efficiently for seamless operation.
  • Pre-Charged Convenience: Each line set is pre-filled with R-410A refrigerant, simplifying installation.
  • DIY Cost Savings: Designed for easy installation to avoid costly technician fees.
  • Extended Flexibility: Coupler kits allow connecting two line sets for extended reach.

Why Choose the MRCOOL DIY 48,000 BTU 4 Zone Ceiling Cassette Mini Split?
  • Independent temperature control for four zones with varied capacity air handlers
  • High energy efficiency (20.5 SEER2 / 8.5 HSPF-5) lowers operating costs
  • Sleek, low-profile ceiling cassettes fit standard joists for discreet installation
  • SmartHVAC app enables convenient remote control
  • Durable Gold Fin® condenser coating ensures long-lasting protection
  • Patented pre-charged Quick Connect Line Sets simplify DIY installation
  • Comprehensive warranty: 7 years on compressor, 5 years on parts

This system is ideal for business owners, contractors, or homeowners who want efficient, customizable climate control with the convenience and savings of a DIY installation. It combines powerful multi-zone performance with sleek, modern aesthetics and user-friendly technology to create the perfect environment in every room.

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 25 ft. Install Kit (DIYM448HPC03C84)

Experience customizable comfort and efficiency with the MRCOOL DIY 48,000 BTU 4 Zone Ceiling Cassette Mini Split — a versatile multi-zone system designed to deliver precise heating and cooling across four zones with easy, do-it-yourself installation.

Powerful and Efficient Condenser
  • 48,000 BTU Capacity: Provides robust heating and cooling power for multiple zones.
  • Streamlined Installation: Patented Pre-Charged Quick Connect Line Sets allow fast, tool-free installation without professional help.
  • Durable Protection: Gold Fin® coating guards the condenser against corrosion and wear.
  • Energy Efficient: Achieves a 20.5 SEER2 and 8.5 HSPF-5 rating for significant energy savings.
  • Winter Ready: Reliable heating down to 5°F outdoor temperature.
  • Warranty: 7-year compressor and 5-year parts warranty for peace of mind.
Multi-Size Air Handlers for Flexible Coverage

This 4-zone system includes a combination of ceiling cassette air handlers tailored to different room sizes:

  • 9,000 BTU Air Handler: Fits between 16” ceiling joists, ideal for 180–375 sq ft spaces.
  • 12,000 BTU Air Handler: Compact, low-profile design for 376–500 sq ft rooms.
  • 18,000 BTU Air Handler: Sleek installation for larger areas of 501–750 sq ft.

All air handlers support multi-zone operation without ductwork and are compatible with the DIY 4th Gen MZ system. Each unit offers:

  • SmartHVAC App Control: Manage your climate remotely from anywhere.
  • Effortless Installation: Pre-charged Quick Connect Line Sets enable fast setup without vacuuming or special tools.
Advanced Line Set Features
  • Optimized Performance: Copper line sets connect the condenser and air handlers efficiently for seamless operation.
  • Pre-Charged Convenience: Each line set is pre-filled with R-410A refrigerant, simplifying installation.
  • DIY Cost Savings: Designed for easy installation to avoid costly technician fees.
  • Extended Flexibility: Coupler kits allow connecting two line sets for extended reach.

Why Choose the MRCOOL DIY 48,000 BTU 4 Zone Ceiling Cassette Mini Split?
  • Independent temperature control for four zones with varied capacity air handlers
  • High energy efficiency (20.5 SEER2 / 8.5 HSPF-5) lowers operating costs
  • Sleek, low-profile ceiling cassettes fit standard joists for discreet installation
  • SmartHVAC app enables convenient remote control
  • Durable Gold Fin® condenser coating ensures long-lasting protection
  • Patented pre-charged Quick Connect Line Sets simplify DIY installation
  • Comprehensive warranty: 7 years on compressor, 5 years on parts

This system is ideal for business owners, contractors, or homeowners who want efficient, customizable climate control with the convenience and savings of a DIY installation. It combines powerful multi-zone performance with sleek, modern aesthetics and user-friendly technology to create the perfect environment in every room.

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

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Frequently Asked Questions about MRCOOL DIY Mini Split - 48,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 25 ft. Install Kit, DIYM448HPC03C84

Most Frequently Asked Questions

Yes, Mr. Cool DIY mini splits are generally considered good, offering easy installation, reliable performance, and energy efficiency, making them a popular choice for homeowners seeking a do-it-yourself solution.
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
Mini splits are expensive to install because they require specialized labor for refrigerant handling and electrical work, precise placement of indoor and outdoor units, potential building modifications, permits, and adherence to local codes, all of which add complexity and time to the installation process.

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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