MRCOOL 5th Gen DIY Mini Split - 42,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit, DIYM336HPW07C00

MRCOOL DIY 42,000 BTU 3-Zone Mini Split System with 16 ft. Install Kit

Transform spacious contemporary environments with the concentrated power needed for today's expansive, flow-through living areas. The MRCOOL DIY 42,000 BTU 3-Zone system with compact 16-foot install kit delivers high-capacity climate control across connected large-scale spaces—perfectly suited for modern open-concept homes, renovated lofts, or great room designs where living functions blend seamlessly across substantial square footage. This high-performance solution provides ideal conditioning for contemporary floor plans where traditional room barriers have been removed to create expansive, multi-function living environments.

This comprehensive package combines a powerful 36K 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 high-capacity configuration creates perfect comfort zones across medium and large open spaces—providing the concentrated power needed for homes where substantial areas flow together without traditional separations. The compact 16-foot reach accommodates closely positioned handlers in open-plan living spaces, while the substantial handler sizes perfectly match the conditioning requirements of today's spacious room designs.

The concentrated configuration delivers substantial climate control across expansive open areas while providing efficient installation for homes with modern, barrier-free designs. The compact 16-foot line sets provide perfect connectivity for closely positioned handlers within open floor plans—ensuring consistent comfort throughout connected living areas regardless of their expansive dimensions. 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 substantial volume requirements.

You'll immediately appreciate the robust performance when managing comfort across spaces with significant square footage and minimal traditional separations. The efficient 16-foot reach allows strategic handler placement throughout 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 21.5 SEER2 efficiency rating delivers substantial energy savings despite the high-capacity operation, while the reliable cold-weather performance maintains consistent heating down to -13°F—ensuring year-round comfort throughout your spacious contemporary living areas regardless of seasonal challenges.

Experience efficient installation perfectly suited for contemporary homes with substantial 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 modern architectural designs—easily adapting to 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 powerful multi-zone comfort without specialized tools or professional expertise, regardless of your home's contemporary design or substantial room dimensions.

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

Take command of your home's expansive comfort zones with intelligent controls perfectly suited for managing substantial 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 living purposes. Create customized schedules that align with your family's actual usage patterns for each functional zone within your open-concept design, optimizing energy consumption while maintaining perfect comfort across connected living spaces.

The versatile operation modes provide precise control tailored to each zone's specific function within your open plan. COOL mode delivers perfectly balanced cooling across connected spaces with different heat-generating activities, while HEAT mode provides proportional warmth for areas with different heating requirements due to ceiling height variations and activity patterns. AUTO mode maintains consistent temperatures throughout connected living zones despite their different solar exposures 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 contemporary homes with substantial open living areas. 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 modern architectural designs. Transform your expansive living spaces with powerful, adaptable comfort that's perfectly matched to your home's contemporary open-concept design—delivering personalized temperature control across connected functional areas without requiring excessive line lengths or compromising the clean aesthetic of your modern living environment.

Condenser (36K BTU)

• Innovative Installation: Experience seamless installation with MRCOOL’s patented Pre-Charged Quick Connect Line Sets, ensuring a hassle-free process without needing a technician.
• Corrosion Resistance: Shield your system from coastal elements with the robust Gold Fin® condenser coating.
• Energy Efficiency: Save on energy with an impressive 21.5 SEER2 and 8.5 HSPF-5 rating.
• Extreme Performance: Heat efficiently even when temperatures plunge to -13°F.
• Reliable Warranty: Enjoy peace of mind with 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.

Installation Manual
Product Brochure
Performance Specifications
Warranty
Energy Guide
AHRI Certificate