Skip to content

MRCOOL DIY Mini Split - 48,000 BTU 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit, DIYM348HPC01C00

SKU DIYM348HPC01C00
by MRCOOL
Authorized Dealer Official
100% Authentic Guarantee
In stock, ready to ship

Fast shipping icon FREE EXPRESS SHIPPING: Process orders in 1 business day

Returns icon STRESS FREE RETURNS: 2 Year Returns

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

Warranty icon 5 YEAR WARRANTY: We Believe In Our Products & Our Team

Professional installation icon PROFESSIONAL INSTALLATION: Get connected with certified, licensed installers in your area - Request installer quotes

$9,818.20

Notify me when back in stock

Estimated Shipping Widget will be displayed here!

Sticky Add to Cart Button
Description

MRCOOL DIY Mini Split - 48,000 BTU 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit (DIYM348HPC01C00)

The MRCOOL 4th Generation DIY Mini Split offers advanced multi-zone climate control with effortless installation, ideal for homes, garages, workshops, and more. This 48,000 BTU system delivers powerful, energy-efficient heating and cooling with sleek ceiling cassette air handlers designed for discreet installation.

Condenser (48,000 BTU)
  • Streamlined Installation: Patented Pre-Charged Quick Connect Line Sets simplify setup without requiring professional HVAC tools or vacuum pumps.
  • Durable Protection: Gold Fin® coating provides corrosion resistance and longevity.
  • High Efficiency: Achieves a 20.5 SEER2 and 8.5 HSPF-5 rating, reducing energy consumption.
  • Winter Performance: Reliable heating down to 5°F outdoor temperature.
  • Warranty: 7-year compressor and 5-year parts warranty for long-term assurance.
Air Handlers
  • 12,000 BTU Ceiling Cassette

    • Fits snugly between 16” ceiling joists for a clean, low-profile look.
    • Covers rooms sized 376 to 500 sq. ft.
    • Compatible with the DIY 4th gen multi-zone system, eliminating ductwork.
    • SmartHVAC app enables remote control from anywhere.
  • 18,000 BTU Ceiling Cassette

    • Designed for seamless installation between 16” joists.
    • Ideal for larger spaces between 501 and 750 sq. ft.
    • Multi-zone compatible for flexible zoning.
    • Full remote management via SmartHVAC app.
Line Sets
  • Optimized Connectivity: Copper line sets link the condenser and air handlers, ensuring efficient multi-zone operation.
  • Pre-Charged: Filled with R-410A refrigerant for quick, hassle-free installation.
  • DIY Friendly: Designed to avoid costly technician fees and complex tools.
  • Extended Reach: Coupler kits allow connection of two line sets for greater installation flexibility.

Summary

The MRCOOL DIY 48,000 BTU 3 Zone Ceiling Cassette Mini Split system combines robust heating and cooling performance with energy efficiency and sleek ceiling-mounted air handlers. Its user-friendly design and pre-charged quick connect line sets make it a top choice for DIY enthusiasts and professionals seeking reliable multi-zone climate control with smart remote access and comprehensive warranties.

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 16 ft. Install Kit (DIYM348HPC01C00)

The MRCOOL 4th Generation DIY Mini Split offers advanced multi-zone climate control with effortless installation, ideal for homes, garages, workshops, and more. This 48,000 BTU system delivers powerful, energy-efficient heating and cooling with sleek ceiling cassette air handlers designed for discreet installation.

Condenser (48,000 BTU)
  • Streamlined Installation: Patented Pre-Charged Quick Connect Line Sets simplify setup without requiring professional HVAC tools or vacuum pumps.
  • Durable Protection: Gold Fin® coating provides corrosion resistance and longevity.
  • High Efficiency: Achieves a 20.5 SEER2 and 8.5 HSPF-5 rating, reducing energy consumption.
  • Winter Performance: Reliable heating down to 5°F outdoor temperature.
  • Warranty: 7-year compressor and 5-year parts warranty for long-term assurance.
Air Handlers
  • 12,000 BTU Ceiling Cassette

    • Fits snugly between 16” ceiling joists for a clean, low-profile look.
    • Covers rooms sized 376 to 500 sq. ft.
    • Compatible with the DIY 4th gen multi-zone system, eliminating ductwork.
    • SmartHVAC app enables remote control from anywhere.
  • 18,000 BTU Ceiling Cassette

    • Designed for seamless installation between 16” joists.
    • Ideal for larger spaces between 501 and 750 sq. ft.
    • Multi-zone compatible for flexible zoning.
    • Full remote management via SmartHVAC app.
Line Sets
  • Optimized Connectivity: Copper line sets link the condenser and air handlers, ensuring efficient multi-zone operation.
  • Pre-Charged: Filled with R-410A refrigerant for quick, hassle-free installation.
  • DIY Friendly: Designed to avoid costly technician fees and complex tools.
  • Extended Reach: Coupler kits allow connection of two line sets for greater installation flexibility.

Summary

The MRCOOL DIY 48,000 BTU 3 Zone Ceiling Cassette Mini Split system combines robust heating and cooling performance with energy efficiency and sleek ceiling-mounted air handlers. Its user-friendly design and pre-charged quick connect line sets make it a top choice for DIY enthusiasts and professionals seeking reliable multi-zone climate control with smart remote access and comprehensive warranties.

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

You'll hear from us during business hours

Request an Installer

Need Professional Installation?

Get Connected with Certified HVAC Installers:

  • ✓ 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 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit, DIYM348HPC01C00

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 usually costs between $3,000 and $10,000, based on the size of the system, the number of zones, and how complex the installation is, while choosing a DIY approach can reduce your expenses by $500 to $2,000 in labor fees.

Other Questions

Running a mini-split typically costs between $30 and $80 per month, depending on factors like unit size, usage hours, electricity rates, and climate
Yes, it's often more energy-efficient to leave your mini split running continuously at a steady temperature during summer because inverter technology allows the system to adjust cooling 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