This MRCOOL DIY 5th Gen 4-zone ductless mini-split system pairs a 55,000 BTU outdoor condenser (rated for up to 6 zones and up to 2,290 sq. ft. of combined coverage, SEER2 22 / HSPF2-4 10.6) with a 9,000 BTU ceiling cassette air handler and three 6,000 BTU ceiling cassette air handlers.
Highlights
- 9,000 + 6,000 + 6,000 + 6,000 BTU ceiling cassette air handlers mount flush between 16" ceiling joists for a low-profile, ductless finish.
- Patented DIY Quick Connect line sets come pre-charged with R-454B refrigerant, skipping the evacuation/vacuuming steps of a traditional install.
- DIYPro cable eliminates the need for electrical conduit.
- Control each zone from the SmartHVAC app or hands-free via Amazon Alexa and Google Assistant.
- Elevation function lowers the cassette panel for easy filter access; advanced filtration and swing technology are built in.
- Backed by a 5-year parts warranty and 7-year compressor warranty, with a Limited Lifetime Replacement warranty available through the MRCOOL Care Program.
Specs & Features
| Condenser Capacity |
55,000 BTU (up to 6 zones, up to 2,290 sq. ft. combined) |
| Zone Configuration (this system) |
9,000 + 6,000 + 6,000 + 6,000 BTU — 4 zones |
| Air Handler Type |
OuttaSight ceiling cassette (fits 16" joist spacing) |
| Per-Zone Coverage |
9,000 BTU: up to 400 sq. ft.; 6,000 BTU units: up to 200 sq. ft. each |
| Efficiency |
SEER2 22 / HSPF2-4 10.6 |
| Refrigerant |
R-454B, pre-charged Quick Connect line sets |
| Installation |
DIY — no HVAC professional required |
| Warranty |
5-year parts / 7-year compressor / Limited Lifetime Replacement (MRCOOL Care Program) |
| Certification |
Intertek listed 5031495 |
- Two-stage DC motor for quiet operation
- Smart HVAC app plus Amazon Alexa / Google Assistant voice control
Details
Avermont Direct is an authorized MRCOOL dealer, and this 4-zone ceiling cassette system is backed by MRCOOL's 5-year parts and 7-year compressor warranty, with a Limited Lifetime Replacement warranty available to customers who enroll in the MRCOOL Care Program. It's a practical single-condenser option for adding independently controlled comfort to four rooms of different sizes — a larger living area alongside three smaller bedrooms or offices — without ductwork.
Need Help?
If you have questions about this product before you order, our team is happy to help.
Email: support@avermontdirect.com
Phone: +1 (844) 455-3695
Hours: Monday–Friday, 9AM–5PM
Live Chat: Available 24/7
