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MRCOOL DIY Mini Split - 48,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM448HPC03C140

SKU DIYM448HPC03C140
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 35 ft. Install Kit, DIYM448HPC03C140

Experience next-level comfort and convenience with the MRCOOL 4th Gen DIY Mini Split system, designed to provide precise climate control across multiple rooms with effortless installation. Ideal for homes, garages, workshops, and more, this system empowers you to install it yourself—no professional HVAC technician required.

Powerful and Efficient 48,000 BTU Condenser
  • Streamlined Installation: MRCOOL’s patented Pre-Charged Quick Connect Line Sets simplify setup, eliminating the need for vacuum pumps or specialized tools.
  • Durable Protection: The Gold Fin® condenser coating guards against corrosion and wear, ensuring longevity.
  • Energy Savings: Achieve remarkable efficiency with a 20.5 SEER2 and 8.5 HSPF-5 rating, reducing energy consumption without compromising performance.
  • Winter Ready: Reliable heating even when outdoor temperatures drop to as low as 5°F.
  • Warranty: Includes a 7-year compressor warranty and a 5-year parts warranty for lasting peace of mind.
Versatile Ceiling Cassette Air Handlers

The system comes equipped with three sizes of MRCOOL DIY Series OuttaSight ceiling cassette air handlers, all designed to fit neatly between 16” ceiling joists for a sleek, unobtrusive look:

  • 9,000 BTU Air Handler: Ideal for smaller rooms from 180 to 375 square feet.
  • 12,000 BTU Air Handler: Perfect for medium-sized spaces between 376 and 500 square feet.
  • 18,000 BTU Air Handler: Designed for larger areas from 501 to 750 square feet.

Each air handler supports multi-zone configurations with the DIY 4th Gen MZ system, eliminating the need for ductwork and providing zone-specific climate control. All units are compatible with the SmartHVAC app, enabling remote control from any smartphone or tablet.

Easy and Flexible Installation with Pre-Charged Quick Connect Line Sets
  • Optimized Performance: Each indoor unit connects to the condenser with its own advanced copper line set, ensuring seamless operation.
  • Pre-Charged Convenience: Line sets come pre-filled with R-410A refrigerant, significantly reducing installation time and complexity.
  • DIY Friendly: Designed for easy installation without expensive technician fees or special tools.
  • Extended Reach: The included coupler kit allows connecting two standard line sets, providing unlimited flexibility for coverage.

Summary of Key Specifications:
Feature Specification
Condenser BTU 48,000 BTU
Air Handler Sizes 9K, 12K, and 18K BTU
Coverage Areas 180-375 sq ft (9K), 376-500 sq ft (12K), 501-750 sq ft (18K)
Efficiency Ratings 20.5 SEER2, 8.5 HSPF-5
Installation Kit Length 35 ft.
Power Supply 208-230V / 60 Hz / 1 phase
Circuit Requirements Minimum 40 A disconnect, max 60 A breaker
Warranty 7-year compressor, 5-year parts

This MRCOOL DIY 4 Zone Mini Split system offers a perfect blend of power, efficiency, and user-friendly installation. It’s ideal for professionals and DIY enthusiasts who want reliable, multi-zone climate control with modern aesthetics and smart features. By leveraging MRCOOL’s pre-charged quick-connect technology and app-enabled controls, you can deliver a top-tier HVAC solution that’s both cost-effective and future-ready.

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 + 12k + 12k + 12k

  • 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 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM448HPC03C140

Experience next-level comfort and convenience with the MRCOOL 4th Gen DIY Mini Split system, designed to provide precise climate control across multiple rooms with effortless installation. Ideal for homes, garages, workshops, and more, this system empowers you to install it yourself—no professional HVAC technician required.

Powerful and Efficient 48,000 BTU Condenser
  • Streamlined Installation: MRCOOL’s patented Pre-Charged Quick Connect Line Sets simplify setup, eliminating the need for vacuum pumps or specialized tools.
  • Durable Protection: The Gold Fin® condenser coating guards against corrosion and wear, ensuring longevity.
  • Energy Savings: Achieve remarkable efficiency with a 20.5 SEER2 and 8.5 HSPF-5 rating, reducing energy consumption without compromising performance.
  • Winter Ready: Reliable heating even when outdoor temperatures drop to as low as 5°F.
  • Warranty: Includes a 7-year compressor warranty and a 5-year parts warranty for lasting peace of mind.
Versatile Ceiling Cassette Air Handlers

The system comes equipped with three sizes of MRCOOL DIY Series OuttaSight ceiling cassette air handlers, all designed to fit neatly between 16” ceiling joists for a sleek, unobtrusive look:

  • 9,000 BTU Air Handler: Ideal for smaller rooms from 180 to 375 square feet.
  • 12,000 BTU Air Handler: Perfect for medium-sized spaces between 376 and 500 square feet.
  • 18,000 BTU Air Handler: Designed for larger areas from 501 to 750 square feet.

Each air handler supports multi-zone configurations with the DIY 4th Gen MZ system, eliminating the need for ductwork and providing zone-specific climate control. All units are compatible with the SmartHVAC app, enabling remote control from any smartphone or tablet.

Easy and Flexible Installation with Pre-Charged Quick Connect Line Sets
  • Optimized Performance: Each indoor unit connects to the condenser with its own advanced copper line set, ensuring seamless operation.
  • Pre-Charged Convenience: Line sets come pre-filled with R-410A refrigerant, significantly reducing installation time and complexity.
  • DIY Friendly: Designed for easy installation without expensive technician fees or special tools.
  • Extended Reach: The included coupler kit allows connecting two standard line sets, providing unlimited flexibility for coverage.

Summary of Key Specifications:
Feature Specification
Condenser BTU 48,000 BTU
Air Handler Sizes 9K, 12K, and 18K BTU
Coverage Areas 180-375 sq ft (9K), 376-500 sq ft (12K), 501-750 sq ft (18K)
Efficiency Ratings 20.5 SEER2, 8.5 HSPF-5
Installation Kit Length 35 ft.
Power Supply 208-230V / 60 Hz / 1 phase
Circuit Requirements Minimum 40 A disconnect, max 60 A breaker
Warranty 7-year compressor, 5-year parts

This MRCOOL DIY 4 Zone Mini Split system offers a perfect blend of power, efficiency, and user-friendly installation. It’s ideal for professionals and DIY enthusiasts who want reliable, multi-zone climate control with modern aesthetics and smart features. By leveraging MRCOOL’s pre-charged quick-connect technology and app-enabled controls, you can deliver a top-tier HVAC solution that’s both cost-effective and future-ready.

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

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- 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 35 ft. Install Kit, DIYM448HPC03C140

Most Frequently Asked Questions

Mr. Cool DIY mini splits receive positive reviews for their user-friendly installation, solid performance, and energy efficiency, making them a popular choice for homeowners seeking a convenient and cost-effective way to add heating and cooling without professional installation.
A MRCOOL mini-split typically lasts 10 to 20 years with proper installation and regular maintenance
The cost to install a MRCOOL mini-split system typically ranges from $3,000 to $10,000, depending on the size, number of zones, and installation complexity, with DIY installation potentially saving $500 to $2,000 in labor costs

Other Questions

Running a mini-split typically costs between $30 and $80 per month, depending on factors like the unit’s size, usage hours, electricity rates, and local climate conditions
It's generally more energy-efficient to leave your mini split running continuously at a steady temperature during summer because inverter technology allows the system to adjust its output smoothly, avoiding energy spikes from frequent on/off cycling. However, if you'll be away for an extended period, turning it off can save energy.

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