MRCOOL 48K 6-Zone DIY Bundle with 12K + 36K Air Handlers & 25ft Quick-Connect Line Sets DIYM248HPW04D07

MRCOOL 48K 6-Zone DIY Bundle with 12K + 36K Air Handlers & 25ft Quick-Connect Line Sets DIYM248HPW04D07

The MRCOOL 48K 6-Zone DIY Bundle with 12K + 36K Air Handlers & 25ft Quick-Connect Line Sets DIYM248HPW04D07 is a powerful multi-zone ductless HVAC solution designed for versatile comfort throughout your home or workspace. Built around the robust DIY-MULTI6-48HP230D-O outdoor condenser, this system provides up to 48,000 BTU of heating and cooling capacity to condition up to approximately 2,000 square feet. Engineered for easy installation without requiring professional HVAC service, this bundle combines high performance with homeowner-friendly DIY convenience.

This complete bundle includes two wall-mounted indoor air handlers — a 12K unit ideal for bedrooms, offices, and smaller spaces, and a 36K unit built to deliver strong airflow in larger open areas like living rooms, basements, or workshops. Paired with pre-charged 25-foot line sets featuring MRCOOL’s Quick-Connect fittings, installation is streamlined and straightforward.

Featuring advanced inverter technology, R-454B refrigerant, and built-in SmartHVAC™ Wi-Fi control compatible with both Alexa and Google Home, this multi-zone system offers smart, energy-efficient performance. A Gold-Fin anti-corrosion outdoor coil ensures long-term durability, while each indoor handler delivers quiet, reliable comfort with individual zone control.

Whether you’re upgrading comfort in multiple rooms or building a full home system, this MRCOOL DIY bundle combines professional-grade performance with installation flexibility and smart home integration — all backed by a trusted HVAC brand.

Features

• Complete multi-zone ductless HVAC system with outdoor condenser and two indoor air handlers.

• Up to 48,000 BTU capacity with support for up to six zones.

• Includes 12K & 36K wall-mount air handlers for versatile zone coverage.

• Pre-charged 25 ft Quick-Connect line sets for easy, vac-free DIY installation.

• SmartHVAC™ Wi-Fi control + Alexa & Google Home compatibility.

• R-454B next-generation eco-friendly refrigerant.

• DC inverter compressor with quiet, efficient operation.

• Gold-Fin anti-corrosion outdoor coil.

Specifications

What’s Included

✔ Outdoor Condenser

• DIY-MULTI6-48HP230D-O (48K double-stack)

✔ Indoor Units

• 12K wall-mount air handler
• 36K wall-mount air handler

✔ Line Sets

• DIY25-1438-O (25ft 1/4 × 3/8)
• DIY25-3858-O (25ft 3/8 × 5/8)

✔ Accessories

• SmartHVAC controller
• DIYPro® cables
• Remote controls
• Mounting brackets
• Wall sleeves & hardware
• Manuals & guides

Frequently Asked Questions (FAQ's)

Does this system require professional installation?

No — the entire system is DIY-friendly.

Can I add more indoor units later?

Yes, the 48K condenser supports up to six total zones.

What size room does the 36K air handler handle?

Up to 1,550 sq. ft. depending on insulation and ceiling height.

Is WiFi included?

Yes — SmartHVAC WiFi control is fully integrated.

Is R-454B better than R-410A?

Yes — it’s more efficient and environmentally advanced.