MITSUBISHI 4 Zones - 42k BTU Ductless System - Hyper Heat
SZ-4Z-279-2025
4 Zones
Are you looking for a year-round, energy-efficient heating and cooling solution for your home? The Mitsubishi 4-Zone 42,000 BTU Ductless System with Hyper-Heat is the perfect choice for homeowners seeking reliable comfort in multiple rooms while maintaining superior energy efficiency. This advanced system, powered by the MXZ-SM42NAMHZ2-U1 outdoor heat pump, delivers exceptional zoned climate control, offering precise temperature maintenance for four different areas in your home. Whether you have varying comfort needs across different rooms or a space that demands flexibility, this Mitsubishi ductless system adapts effortlessly to your lifestyle.
With an indoor unit combination of 12,000 BTU (MLZ-KP12NA2-U1), 6,000 BTU (MLZ-KY06NA-U1), another 6,000 BTU (MSZ-GS06NA-U1), and a powerful 18,000 BTU (MSZ-GS18NA-U1), this system efficiently distributes heating and cooling where it's needed most. Imagine having a perfectly cooled bedroom during hot summer nights while keeping the living room warm and cozy in the winter—all from a single system delivering whisper-quiet operation.
Thanks to Mitsubishi's Hyper-Heat technology, this system ensures continuous heating performance even in extreme cold conditions. Homes in colder climates often struggle with heat pumps failing to provide adequate warmth during winter, but with Hyper-Heat, your home remains comfortable even when outdoor temperatures drop significantly. This makes it a great solution for spaces that would traditionally rely on inefficient baseboard heating or outdated window AC units.
For homeowners who value efficiency, flexibility, and superior comfort, this ductless system provides independent zone control, allowing each area of your home to have personalized temperature settings. Whether you're upgrading an older system, converting rooms such as basements or attic spaces, or simply looking for a modern and cost-effective climate control solution, the Mitsubishi 4-Zone Hyper-Heat system is an investment in year-round comfort and energy savings.
MXZ-SM42NAMHZ2-U1
Mitusbishi 42K BTU Hyper Heat MXZ-SM42NAMHZ-U1
MXZ-SM42NAMHZ2-U1 Mitsubishi 42,000 Smart Multi Zone Hyper Heat Mini Split Outdoor Unit

MLZ-KP12NA2-U1
Mitsubishi 12K BTU One-Way Ceilling Cassete MLZ-KP12NA-U1
MLZ-KP12NA2-U1 Mitsubishi 12,000 BTU 1-Way Mini Split Ceiling Cassette Unit

MLZ-KY06NA-U1
Mitsubishi 6K BTU One-Way Ceilling Cassete MLZ-KY06NA-U1
MLZ-KY06NA-U1 Mitsubishi 6,000 BTU 1-Way Mini Split Ceiling Cassette Unit

MSZ-GS06NA-U1
Mitsubishi 6K BTU Wall Mounted MSZ-GS06NA-U1
MSZ-GS06NA-U1 Mitsubishi 6,000 BTU Wall Mounted Mini Split Indoor Unit

MSZ-GS18NA-U1
Mitsubishi 18K BTU Wall Mounted MSZ-GS18NA-U1
MSZ-GS18NA-U1 Mitsubishi 18,000 BTU Heat Pump Wall Mounted Indoor Unit

WHAT IS INCLUDED?
✅ No Last-Minute Hassles – Every Install Comes Fully Prepared
Line Set
Our skilled design team carefully anticipates every installation scenario to guarantee a smooth and stress-free setup. That’s why we include a custom LINE SET KIT, complete with all the required materials, precisely matched to the units and necessary length. This ensures accuracy and efficiency, regardless of the home’s layout. With every home being unique, we keep the process on schedule—no unexpected issues or extra charges. Our LINE SET KITS are expertly crafted for 4 zone mini-split installations, delivering a seamless and hassle-free HVAC upgrade.

Line Set Cover
Installing a line set demands accuracy and skill, and our experienced team guarantees every aspect is handled with care. We focus not just on performance but also on maintaining your home's aesthetics. That’s why we provide LINE SET COVERS, designed to offer a sleek, polished look while protecting your installation. Our LINE SET COVER KIT is specifically created to enclose a 4-zone setup, delivering a neat and professional finish. We may also have color choices that complement your home’s siding—reach out to explore your options!

Electrical Material
No electricity means no electrification, right? That’s where our expert electrician comes in. We offer a pre-configured Electrical Kit designed specifically for 4-zone heat pump installations, ensuring a seamless startup without complications while staying code-compliant and permit-ready. To ensure installation day goes smoothly, our warehouse and project management teams carefully inspect all materials beforehand—eliminating waste and avoiding missing parts so everything runs efficiently from beginning to end.
Popular Properties
We're Your Guide to Rebates and Financing
Embark on your MassSave journey with us by your side. Our expertise ensures you maximize your rebates and financing options, turning complex processes into simple steps.
