HOT ! MRCOOL DIY 5th Gen 27,000 BTU 4‑Zone Multi‑Zone Ductless Mini‑Split Air Conditioner & Heat Pump DIYM427HPW00D00

MRCOOL DIY 5th Gen 27,000 BTU 4‑Zone Multi‑Zone Ductless Mini‑Split Air Conditioner & Heat Pump DIYM427HPW00D00

The MRCOOL DIY 5th Gen 27,000 BTU 4‑Zone Multi‑Zone Ductless Mini‑Split Air Conditioner & Heat Pump DIYM427HPW00D00 is engineered for homeowners seeking customizable, efficient comfort across multiple rooms without the high cost of professional installation. Designed for true DIY setup with no vacuum pump or refrigerant tools required, this system lets you enjoy modern HVAC performance with simplified installation using MRCOOL’s QuickConnect® pre‑charged line sets and DIYPRO® cable.

With four independently controlled 6,000 BTU indoor air handlers, this system provides flexible temperature control tailored to each space—making it ideal for bedrooms, home offices, guest rooms, or other frequently used areas. Powered by DC inverter technology and boasting a high 23 SEER2 efficiency rating, it delivers quiet, energy‑efficient heating and cooling year‑round. Full smart home compatibility via the MRCOOL® Smart HVAC Controller® App or voice control with Alexa® and Google Home® ensures modern convenience at your fingertips.

Features

• 27,000 BTU total system capacity


• 4 independent comfort zones


• High-efficiency 23 SEER2 rating


• DC inverter compressor technology


• DIY® QuickConnect® pre-charged line sets


• No vacuum pump or refrigerant handling


• DIYPRO® cable — no electrical conduit required


• Gold Fin® corrosion-resistant coating


• Follow Me® temperature sensing


• MRCOOL® Smart HVAC Controller® App


• Amazon Alexa® & Google Home® compatibility


• Ultra-quiet indoor operation


• ENERGY STAR® & AHRI certified

Specifications

What’s Included 

• ✔ MRCOOL® DIY® 27K BTU 4-Zone Outdoor Condenser


• ✔ (4) 6K BTU Wall-Mounted Indoor Air Handlers


• ✔ (4) 16-ft DIY® QuickConnect® Line Sets (1/4 × 3/8)


• ✔ DIYPRO® communication cable


• ✔ Wireless remotes for each indoor unit


• ✔ Installation manuals & mounting hardware

Frequently Asked Questions (FAQ\'s)

Is this system truly DIY?

Yes. No vacuum pump, gauges, or refrigerant charging is required.

Can all rooms be set to different temperatures?

Yes. Each indoor unit operates independently.

Is this good for bedrooms?

Absolutely. The 6K units are extremely quiet and efficient.

Does it work with smart home systems?

Yes. Supports Alexa®, Google Home®, and the MRCOOL® Smart HVAC Controller® App.