MRCOOL DIY 5th Gen Multi-Zone 4-Zone 48,000 BTU 22 SEER2 (6K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump

The MRCOOL DIY 5th Gen 48,000 BTU 4-Zone Wall Mount Mini-Split System delivers powerful and flexible heating and cooling for up to six rooms — all from a single outdoor condenser. Designed for easy installation and quiet performance, this ductless system combines high efficiency with a clean, low-profile ceiling-mounted aesthetic.

Compatible with any combination of 6K, 9K, 12K,18K, 24K, 36K wall mount air handlers, this system lets you customize comfort room by room. Whether you’re upgrading a residential home, office, or light commercial space, the 48K 6-zone system offers reliable comfort across a wide range of indoor environments.

Featuring a 21.8 SEER2 energy efficiency rating, built-in Wi-Fi, and smart controls via smartphone app, Alexa, or Google Assistant, MRCOOL’s DIY system is made for modern living without compromising performance.

Key Features:

• Covers up to 6 zones with a single 48K multi-zone condenser

• Compatible with 6K, 9K, 12K,18K, 24K, 36K wall mount air handlers

• 21.8 SEER2 energy efficiency for low operating costs

• DIY-friendly installation with no special tools required

• Flush-mount ceiling cassette design for unobtrusive comfort

• Whisper-quiet operation and advanced inverter technology

• Operates in extreme conditions: heats down to -13°F, cools up to 122°F

• Smart controls via MRCOOL app, Alexa, or Google Assistant

• Durable Gold Fin® coating for corrosion resistance

• Backed by 5-year parts and 7-year compressor warranty