MRCOOL 48K 6-Zone DIY Multi-Zone System w/ 12K + 24K Air Handlers & Two 16ft Pre-Charged Line Sets — DIYM248HPW03D00

MRCOOL 48K 6-Zone DIY Multi-Zone System w/ 12K + 24K Air Handlers & Two 16ft Pre-Charged Line Sets — DIYM248HPW03D00

The MRCOOL 48K 6-Zone DIY Multi-Zone System with 12K and 24K Air Handlers is engineered for homeowners seeking powerful, efficient, and customizable comfort across two key living spaces. At the heart of this package is the robust 48,000 BTU MRCOOL DIY-MULTI6-48HP230D-O outdoor condenser, capable of supporting up to six indoor zones with advanced inverter technology and high SEER2 performance. With dual-zone flexibility, you can precisely heat or cool both medium and larger rooms without the need for professional HVAC service, thanks to simple Quick-Connect installation technology.

This system includes a 12,000 BTU indoor unit ideal for bedrooms, offices, or medium living areas, and a powerful 24,000 BTU indoor unit designed for larger spaces such as master suites, open floor plans, or high heat-load rooms. Both units operate quietly and efficiently, maintaining consistent comfort while minimizing energy usage. Pre-charged R-454B Quick-Connect line sets make installation straightforward—no vacuum pumps, gauges, or EPA refrigerant permits are required.

Homeowners also enjoy modern smart control features with MRCOOL SmartHVAC compatibility, enabling intuitive scheduling, temperature monitoring, and voice control integration with Amazon Alexa or Google Home. Additionally, durable construction elements like Gold Fin® corrosion protection ensure long-lasting performance even in challenging climates. With this bundle, you get high-efficiency comfort and advanced control without compromising ease of installation or functionality.

Whether you’re upgrading an existing system or building a new comfort solution from scratch, this comprehensive bundle brings industry-leading DIY convenience together with powerful multi-zone performance.

Features

• High-capacity 48,000 BTU multi-zone outdoor condenser

• Dual-zone comfort with 12,000 BTU and 24,000 BTU indoor air handlers

• R-454B Pre-Charged Quick-Connect line sets for true DIY install

• Up to six indoor unit support (future expansion capable)

• MRCOOL SmartHVAC Wi-Fi control with voice assistant compatibility

• Gold Fin® anti-corrosion protection

• Quiet inverter compressor operation

• No HVAC contractor, vacuum pumps, or refrigerant handling required

Specifications

What’s Included

Outdoor Unit

• 1 × MRCOOL DIY-MULTI6-48HP230D-O (48K double-stack, six-zone) 

Indoor Units

• 1 × 12K DIY Wall-Mount Air Handler
• 1 × 24K DIY Wall-Mount Air Handler 

Line Sets

• 1 × DIY16-1438-O — 16ft 1/4 × 3/8
• 1 × DIY16-3858-O — 16ft 3/8 × 5/8 

Accessories

• DIYPro® communication cables
• Remotes
• Mounting hardware
• WiFi SmartHVAC control
• Owner manuals

Frequently Asked Questions (FAQ's)

Does this bundle require a professional installer?

No — all components are DIY-ready with Quick-Connect fittings.

How many zones does the condenser support?

Up to six total indoor units.

Does the system work in cold climates?

Yes — excellent heating performance even in winter conditions thanks to advanced R-454B refrigerant.

Can I upgrade line sets later?

Yes — MRCOOL extension kits and longer line sets are fully compatible.