MRCOOL 48K DIY Multi‑Zone System With Dual 24K Air Handlers & 25ft Line Sets R‑454B DIYM248HPW07D06

MRCOOL 48K DIY Multi‑Zone System With Dual 24K Air Handlers & 25ft Line Sets R‑454B DIYM248HPW07D06

he MRCOOL 48K DIY Multi‑Zone System With Dual 24K Wall Units & 25ft Line Sets R‑454B — model DIYM248HPW07D06 — is engineered for homeowners seeking powerful heating and cooling performance in multiple large spaces without the need for professional HVAC installation. At its core is a high‑capacity 48,000 BTU multi‑zone condenser built on MRCOOL’s trusted DIY platform, delivering elite energy efficiency, reliable operation in varied climates, and smart connectivity that fits modern living requirements.

This versatile system includes two high‑performance 24 K BTU wall‑mounted air handlers, perfectly matched to provide independent comfort control in two large rooms — up to approximately 2,100 sq ft combined — while maintaining whisper‑quiet operation and balanced climate control. With pre‑charged 25 ft Quick‑Connect® line sets included, installation is straightforward and clean, requiring no vacuum pump, refrigerant gauges, or EPA license.

Equipped with SmartHVAC™ app compatibility, voice control via Alexa and Google Assistant, and industry‑leading warranties, this system brings smart home integration and long‑term peace of mind to your comfort solution. Whether it’s oversized great rooms, master suites, or bonus spaces that need dependable year‑round comfort, the MRCOOL DIY system offers professional‑grade performance with true DIY simplicity.

In addition to strong performance and simplicity, the condenser provides room for expansion — supporting up to six zones total — so you can grow your comfort system as your needs change.

Features

• High‑capacity 48 K BTU multi‑zone condenser with 21.8 SEER2 efficiency.

• Two 24 K wall‑mounted indoor units for large spaces (each up to ~1,050 sq ft).

• Pre‑charged 25 ft Quick‑Connect® line sets for DIY installation.

• SmartHVAC™ app control with Alexa & Google Assistant compatibility.

• Whisper‑quiet inverter operation with multi‑speed airflow.

• Expandable platform supporting up to 6 zones.

• Industry‑leading warranty: 7‑year compressor, 5‑year parts, limited lifetime (with enrollment).

Specifications

What’s Included 

✔ Outdoor Unit

• (1) 48K MRCOOL DIY Multi-Zone Condenser (DIY-MULTI6-48HP230D-O)

✔ Indoor Units

• (2) 24K Wall-Mounted Air Handlers (DIY-24-HP-WMAH-230D25-O)

✔ Line Sets

• (2) DIY25-3858-O (25 ft, pre-charged)

✔ Accessories

• (2) remotes
• DIYPro® communication cables
• SmartHVAC controller module
• Mounting hardware
• Manuals & installation components

Frequently Asked Questions (FAQ's)

Can this system heat and cool two large rooms?

Yes — two 24K air handlers can cover 2,000–2,100 sq. ft. combined.

Can I expand to more zones later?

Yes — up to six zones total.

Is this a DIY system?

Yes — Quick-Connect® technology removes the need for refrigerant tools, gauges, or vacuum pumps.

Is R-454B included in the line sets?

Yes — all line sets are factory precharged and sealed.

Does this system include communication wire?

Yes — built into the DIYPro® cable.