HOT ! MRCOOL DIY 5th Gen 48,000 BTU 21.8 SEER2 4‑Zone Ductless Mini‑Split Air Conditioner & Heat Pump System DIYM448HPW01D00

MRCOOL DIY 5th Gen 48,000 BTU 21.8 SEER2 4‑Zone Ductless Mini‑Split Air Conditioner & Heat Pump System DIYM448HPW01D00

The MRCOOL® DIY® 5th Gen 48,000 BTU 4‑Zone Mini‑Split System DIYM448HPW01D00 brings powerful whole‑home comfort and zone‑by‑zone climate control — all without the cost of contractor installation. Designed around a high‑efficiency 48,000 BTU multi‑zone outdoor condenser, this system supports four independently controlled indoor air handlers, including three 6,000 BTU units for smaller rooms and a 24,000 BTU unit for larger open spaces or master suites. With an impressive 21.8 SEER2 rating, DC inverter technology, and ENERGY STAR® certification, this mini‑split delivers reliable cooling and heating performance while helping reduce energy bills.

Installation is simplified thanks to MRCOOL® DIY® QuickConnect® pre‑charged line sets and DIYPRO® cable (no conduit needed), meaning there’s no need for vacuum pumps, refrigerant handling, or HVAC licensing. This makes it an ideal choice for homeowners who want professional‑grade features with true DIY ease. Whether you’re upgrading from inefficient systems or building new living spaces, this multi‑zone solution delivers quiet, efficient comfort with smart connectivity and broad compatibility.

Features

• 48,000 BTU total system capacity


• 4 independently controlled comfort zones


• Three 6,000 BTU zones + one 24,000 BTU zone


• 21.8 SEER2 high-efficiency performance


• DC inverter variable-speed compressor


• DIY® QuickConnect® pre-charged line sets


• No vacuum pump or HVAC license required


• DIYPRO® cable (no conduit needed)


• Gold Fin® anti-corrosion protection


• Follow Me® temperature sensing


• MRCOOL® Smart HVAC Controller® App


• Amazon Alexa® & Google Home® compatibility


• ENERGY STAR® & AHRI certified

Specifications

What’s Included

• ✔ MRCOOL® DIY® 48,000 BTU Multi-Zone Outdoor Condenser


• ✔ (3) 6,000 BTU Wall-Mounted Indoor Air Handlers


• ✔ (1) 24,000 BTU Wall-Mounted Indoor Air Handler


• ✔ (3) 16-ft DIY® QuickConnect® Line Sets (1/4 × 3/8) — for 6K air handlers


• ✔ (1) 16-ft DIY® QuickConnect® Line Set (1/4 × 1/2) — for 24K air handler


• ✔ DIYPRO® communication cable


• ✔ Wireless remotes for each zone


• ✔ Installation manuals & mounting hardware

Frequently Asked Questions (FAQ\'s)

Is this system truly DIY?

Yes. MRCOOL® DIY® QuickConnect® technology eliminates refrigerant handling and vacuuming.

Can each room be controlled independently?

Yes. Every indoor unit operates on its own thermostat, remote, and schedule.

Why combine 6K and 24K air handlers?

This allows precise comfort in smaller rooms while delivering higher capacity where larger spaces demand it.

Is smart control included?

Yes. Control your system via the MRCOOL® Smart HVAC Controller® App, Alexa®, or Google Home®.