MRCOOL DIY Mini Split - 42,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM436HPW02C140

MRCOOL DIY Mini Split - 42,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM436HPW02C140

Step into a new era of home comfort with the MRCOOL DIY Mini Split 42,000 BTU 4 Zone system — the ultimate solution for homeowners and savvy installers who want professional-grade climate control without the hassle or cost of traditional installation. Imagine effortlessly controlling the temperature in up to four rooms, from your cozy bedroom to your busy workshop, all with a system you can install yourself.

Gone are the days of waiting on expensive technicians or complicated setups. MRCOOL’s patented Pre-Charged Quick Connect Line Sets make installation a breeze — no vacuum pumps, no refrigerant charging, no guesswork. Simply connect the lines, and you’re ready to enjoy powerful heating and cooling in no time. This is the future of HVAC, designed for those who want control, savings, and simplicity.

At the heart of this system is a robust 36,000 BTU condenser coated with Gold Fin® technology, providing exceptional corrosion resistance — perfect for coastal or harsh environments. With an impressive 21.5 SEER2 rating and 8.5 HSPF-5 heating efficiency, this unit delivers energy savings that will keep your utility bills low year-round. Plus, it performs reliably even in freezing temperatures as low as -13°F, ensuring your home stays warm no matter the weather.

This 4-zone system comes with versatile air handlers designed to fit your unique spaces:

• 9,000 BTU Air Handlers cover rooms from 180 to 375 sq ft — ideal for bedrooms, home offices, or workshops.
• 12,000 BTU Air Handlers handle medium-sized spaces from 376 to 500 sq ft — perfect for living rooms, larger bedrooms, or bonus rooms.

Each air handler offers multiple modes including COOL, HEAT, AUTO, DRY, and SLEEP, giving you complete control over your environment. With SmartHVAC app compatibility, you can adjust settings anytime, anywhere — right from your smartphone.

Lightweight and compact, these air handlers mount quickly and easily. The included 35 ft. Pre-Charged Quick Connect Line Sets eliminate the need for specialized HVAC tools or technician visits. Need extra reach? The coupler kit lets you connect multiple line sets for extended coverage — perfect for sprawling homes or complex layouts.

• Save Thousands: No expensive installation fees — you do it yourself with confidence.
• Flexible Zoning: Control up to 4 rooms independently for personalized comfort and energy savings.
• Durable & Reliable: Built to last with corrosion-resistant Gold Fin® condenser and backed by a solid warranty.
• Smart & Connected: App-based control puts comfort at your fingertips, anytime, anywhere.
• Energy Efficient: High SEER and HSPF ratings translate into real savings on your energy bills.

Picture your home perfectly comfortable no matter the season, every room dialed in to the ideal temperature, all without breaking the bank or waiting weeks for installation. The MRCOOL DIY Mini Split 42,000 BTU 4 Zone system puts you in control — efficient, reliable, and designed for your lifestyle.

Make the smart choice today. Upgrade to MRCOOL DIY and experience the freedom of professional-quality HVAC that you install yourself.

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 (9K BTU)

• Versatile Climate Control: Whether you're in the mood for COOL, HEAT, AUTO, DRY, or SLEEP, these Air Handlers ensure comfort year-round.
• Perfect Room Coverage: Optimized for spaces ranging from 180 to 375 square feet, perfect for smaller spaces and cozy corners.
• Smart Control Anywhere: Take command with SmartHVAC app compatibility, offering fingertip convenience from anywhere on the planet.
• Effortless Installation: The compact and lightweight design makes mounting quick and simple, minimizing installation efforts.
• Quick Connect System: With MRCOOL’s Pre-Charged Quick Connect Line Set, you can set up easily—no vacuuming or complex tools required!

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!

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.