HOT ! MRCOOL DIY 36,000 BTU 4‑Zone Mini Split System (6K + 6K + 6K + 9K) 23 SEER2 Ductless Heat Pump with 4 × 25‑ft QuickConnect Line Sets

MRCOOL DIY 36,000 BTU 4‑Zone Mini Split System (6K + 6K + 6K + 9K) 23 SEER2 Ductless Heat Pump with 4 × 25‑ft QuickConnect Line Sets

The MRCOOL DIY® 36,000 BTU 4‑Zone Mini Split System delivers customizable climate comfort for multiple rooms in your home — all installable without a professional HVAC technician. This system pairs a powerful 36,000 BTU outdoor condenser with four independent indoor air handlers (three 6,000 BTU units and one 9,000 BTU unit) for targeted heating and cooling where you need it most. With impressive 23 SEER2 efficiency, this ductless heat pump system helps reduce energy costs throughout the year.

Designed for flexible do‑it‑yourself installation using MRCOOL’s patented QuickConnect® technology, the system eliminates the need for vacuum pumps, refrigerant handling, or special tools. Each pre‑charged 25‑ft line set connects easily between the condenser and indoor units, making setup straightforward while preserving factory warranty coverage.

Stay connected to your comfort from anywhere with Smart HVAC Controller® app support, including compatibility with Amazon Alexa® and Google Home®. With quiet DC inverter operation and Gold Fin® corrosion protection for long‑lasting performance, this 4‑zone mini split system brings efficient year‑round comfort to multi‑room spaces.

Features

• 36,000 BTU total system capacity


• 4 independently controlled comfort zones


• Three 6K zones + one 9K zone


• 23 SEER2 high-efficiency performance


• DC inverter variable-speed compressor


• DIY® QuickConnect® pre-charged line sets


• 25-ft line sets included for every zone


• No vacuum pump or HVAC license required


• DIYPRO® cable (no conduit needed)


• Gold Fin® anti-corrosion coating


• Follow Me® temperature sensing


• MRCOOL® Smart HVAC Controller® app


• Amazon Alexa® & Google Home® compatible


• ENERGY STAR® & AHRI certified

Specifications

What’s Included

• ✔ MRCOOL® DIY® 36,000 BTU Multi-Zone Outdoor Condenser


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


• ✔ (1) 9,000 BTU Wall-Mounted Indoor Air Handler


• ✔ (4) 25-ft DIY® QuickConnect® Line Sets (1/4 × 3/8)


• ✔ DIYPRO® communication cable


• ✔ Wireless remotes for each zone


• ✔ Mounting hardware & installation manuals

Frequently Asked Questions (FAQ\'s)

Is this a true DIY system?

Yes. The QuickConnect® system eliminates vacuuming and refrigerant handling.

Why choose 25-ft line sets instead of 16-ft?

25-ft line sets provide more routing flexibility for larger homes or longer outdoor unit placement.

Can each room be controlled independently?

Yes. Each indoor unit operates as its own zone.

Does it work with smart home systems?

Yes. Compatible with Alexa®, Google Home®, and the MRCOOL® Smart HVAC Controller® app.