Quick answers to questions about ordering, compatibility, and installation.
The MRCOOL DIY Gen 4 5-Zone Ceiling Cassette Mini Split System delivers powerful multi-room heating and cooling with a clean, built-in ceiling appearance and the installation simplicity that made the MRCOOL DIY line so popular. This 48,000 BTU R-410A system is one of the last remaining Gen 4 multi-zone ceiling cassette packages available, making it an excellent option for homeowners, contractors, and property owners looking for a proven platform with true DIY-friendly design.
Designed for whole-home or multi-room comfort, this package includes five independently controlled indoor ceiling cassette air handlers, a 48K Gen 4 multi-zone condenser, and factory pre-charged Quick Connect line sets for faster, simpler installation. If you want discreet ceiling-mounted comfort without ductwork, this system offers an outstanding blend of performance, appearance, and installation convenience.
Availability Note: This is a bundled last remaining Gen 4 package. Inventory is limited and available only while supplies last.
| Component | Model Number | Quantity | Details |
|---|---|---|---|
| 48,000 BTU Outdoor Condenser | DIY-MULTI5-48HP230C | 1 | MRCOOL DIY Gen 4 multi-zone condenser with inverter-driven heat pump technology |
| 9,000 BTU Ceiling Cassette Air Handler | DIYCASSETTE09HP-230C25 | 4 | Great for bedrooms, offices, guest rooms, and smaller comfort zones |
| 18,000 BTU Ceiling Cassette Air Handler | DIYCASSETTE18HP-230C25 | 1 | Ideal for larger rooms, open living areas, master suites, or common spaces |
| 16 ft Quick Connect Line Set | DIY16-1412 | 2 | 1/4" x 1/2" factory pre-charged R-410A line set |
| 25 ft Quick Connect Line Set | DIY25-1412 | 1 | 1/4" x 1/2" factory pre-charged R-410A line set |
| 50 ft Quick Connect Line Set | DIY50-1412-C | 2 | 1/4" x 1/2" factory pre-charged R-410A line set |
| System Type | 5-Zone Ceiling Cassette Mini Split Heat Pump System |
|---|---|
| Series | MRCOOL DIY Gen 4 |
| Total Capacity | 48,000 BTU |
| Refrigerant | R-410A |
| Voltage | 230V |
| Indoor Unit Style | Ceiling Cassette |
| Zone Count | 5 Zones |
| Installation Type | DIY-Friendly with Quick Connect Pre-Charged Line Sets |
One of the biggest advantages of the MRCOOL DIY Gen 4 platform is installation simplicity. This package includes factory pre-charged Quick Connect line sets that help reduce installation complexity compared to traditional mini split systems.
This 5-zone ceiling cassette system is an excellent fit for:
If you have been looking for a MRCOOL DIY ceiling cassette multi-zone system built on the proven Gen 4 R-410A platform, this package is a rare opportunity. With one outdoor unit, five indoor ceiling cassettes, and pre-charged line sets included, it offers a powerful all-in-one solution for customers who want whole-home comfort, a clean finished appearance, and easier installation.
Since this is one of the last remaining Gen 4 bundles, it is especially attractive for buyers who specifically want the established R-410A Gen 4 configuration instead of newer platform variations.
| Inventory Status | Limited availability - last remaining bundle |
|---|---|
| Line Sets Included | Yes - bundle includes all listed factory pre-charged Quick Connect line sets |
| Refrigerant Type | R-410A |
| System Type | Heat pump mini split system with ceiling cassette indoor units |
| Professional Appearance | Flush-mount ceiling cassette design for a clean built-in look |
The MRCOOL DIY Gen 4 48,000 BTU 5-Zone Ceiling Cassette Mini Split System combines proven performance, discreet aesthetics, multi-room comfort, and simplified installation in one hard-to-find package. If you want one of the last available Gen 4 ceiling cassette bundles, now is the time to secure it.
Available now from MRCOOL DIY Direct while supplies last.
Quick answers to questions about ordering, compatibility, and installation.
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