MRCOOL 5th Gen DIY Mini Split - 42,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit, DIYM348HPW00C00

MRCOOL DIY 48,000 BTU 3-Zone Mini Split System with 16 ft. Install Kit

Transform expansive contemporary environments with the superior power needed for today's most demanding open-concept living areas. The MRCOOL DIY 48,000 BTU 3-Zone system with compact 16-foot install kit delivers maximum-capacity climate control across connected large-scale spaces—perfectly suited for luxury open-concept homes, commercial-grade residential renovations, or great room designs where substantial living functions blend across exceptional square footage. This high-performance solution provides superior conditioning for premium contemporary floor plans where traditional room barriers have been eliminated to create exceptionally spacious, multi-function living environments.

This comprehensive package combines a commercial-grade 48K BTU condenser with two 12K BTU air handlers and one 18K BTU air handler, all connected through efficient 16-foot pre-charged line sets. The ultra-high-capacity configuration creates perfect comfort zones across multiple open spaces—providing the concentrated exceptional power needed for luxury homes where substantial areas flow together without traditional separations. The compact 16-foot reach accommodates closely positioned handlers in premium open-plan living spaces, while the substantial handler sizes perfectly match the conditioning requirements of today's most expansive room designs.

The concentrated configuration delivers exceptional climate control across the most expansive open areas while providing efficient installation for homes with modern, barrier-free designs demanding superior conditioning capacity. The compact 16-foot line sets provide perfect connectivity for closely positioned handlers within premium open floor plans—ensuring consistent comfort throughout connected living areas regardless of their expansive dimensions or substantial volume requirements. The powerful handlers deliver perfect cooling and heating to medium kitchen/dining spaces (376-500 sq ft) and large living/entertainment areas (501-750 sq ft) based on their open-flow characteristics and exceptional volume requirements.

You'll immediately appreciate the commercial-grade performance when managing comfort across spaces with exceptional square footage and minimal traditional separations. The efficient 16-foot reach allows strategic handler placement throughout premium open-concept environments, while the substantial handler capacities ensure each zone receives powerful climate control matched to its specific dimensions and airflow patterns. The impressive 20.5 SEER2 efficiency rating delivers substantial energy savings despite the ultra-high-capacity operation, while the reliable cold-weather performance maintains consistent heating down to 5°F—ensuring near-commercial-grade comfort throughout your spacious contemporary living areas regardless of seasonal challenges.

Experience efficient installation perfectly suited for luxury homes with exceptional open spaces and minimal interior walls with MRCOOL's innovative pre-charged quick connect technology. The compact 16-foot line sets provide optimized connectivity for premium architectural designs—easily adapting to high-end open-concept layouts where handlers can be strategically positioned without extensive line routing through multiple interior walls. The straightforward connection process means you can achieve commercial-grade multi-zone comfort without specialized tools or professional expertise, regardless of your home's premium design or exceptional room dimensions.

The comprehensive installation package includes everything needed for a clean, efficient setup that works with your home's luxury open architecture. The substantial air handlers mount easily on the limited interior walls typical of high-end contemporary designs, with capacities perfectly matched to your expansive living zones. Your successful DIY installation delivers professional-quality results across architecturally sophisticated layouts—providing significant cost savings compared to commercial systems while creating powerful comfort zones that perfectly match your home's premium open-concept design philosophy.

Take command of your home's expansive comfort zones with intelligent controls perfectly suited for managing exceptional open areas with different functional purposes. The SmartHVAC app provides convenient temperature adjustment for each zone based on its specific activity function—allowing you to create ideal environments in cooking, dining, and relaxation areas that share continuous airspace but serve different luxury living purposes. Create customized schedules that align with your family's actual usage patterns for each functional zone within your premium open-concept design, optimizing energy consumption while maintaining perfect comfort across connected living spaces with substantial volume requirements.

The versatile operation modes provide precise control tailored to each zone's specific function within your luxury open plan. COOL mode delivers perfectly balanced cooling across connected spaces with different heat-generating activities and exceptional ceiling heights, while HEAT mode provides proportional warmth for areas with different heating requirements due to dramatic architectural features and varied activity patterns. AUTO mode maintains consistent temperatures throughout connected luxury living zones despite their different solar exposures through expansive windows or occupancy levels, and DRY mode effectively manages humidity during damp weather across expansive spaces with different moisture sources.

Experience perfectly balanced multi-zone comfort optimized for premium homes with exceptional open living areas demanding commercial-grade conditioning capacity. The comprehensive 7-year compressor and 5-year parts warranty ensures lasting peace of mind, while the efficient 16-foot reach provides ideal connectivity for luxury architectural designs. Transform your expansive living spaces with powerful, adaptable comfort that's perfectly matched to your home's premium open-concept design—delivering personalized temperature control across connected functional areas without requiring excessive line lengths or compromising the sophisticated aesthetic of your luxury living environment.

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)

• Versatile Climate Control: Enjoy personalized comfort with COOL, HEAT, AUTO, DRY, or SLEEP modes to suit any season or preference.
• Perfect Room Coverage: Tailored for areas ranging from 376 to 500 square feet, ideal for medium-sized spaces.
• Smart Control Anywhere: Take advantage of SmartHVAC app compatibility, giving you complete control remotely.
• Effortless Installation: A compact and lightweight design allows for hassle-free mounting and setup.
• Quick Connect System: Thanks to the MRCOOL Pre-Charged Quick Connect Line Set, installation is incredibly simple—no professional vacuuming needed!

Air Handler (18K BTU)

• Versatile Climate Control: Easily adjust to COOL, HEAT, AUTO, DRY, or SLEEP modes for year-round comfort.
• Perfect Room Coverage: Designed to suit spaces between 501 to 750 square feet, perfect for larger rooms and open areas.
• Smart Control Anywhere: The SmartHVAC app compatibility lets you manage your system conveniently from anywhere.
• Effortless Installation: The compact and lightweight design simplifies the mounting process significantly.
• Quick Connect System: Simplify your setup with MRCOOL’s Pre-Charged Quick Connect Line Set—no extra 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.

ELECTRICAL REQUIREMENTS

SPECIFICATIONS & DIMENSIONS

INSTALLATION & GUIDES

Installation Manual
Product Brochure
Performance Specifications
Warranty
Energy Guide
AHRI Certificate