- Find an Installer
New Model MULTI18CDUCT201 replaces Model MULTI18BDUCT201
- Outdoor Condenser Model: MULTI18HP230V1CO
- Indoor Concealed Duct Model: DUCT09HP230V1AD, DUCT12HP230V1AD
- Wireless Remote Control (x2) and XK-19 Wired Controller (x2)
- Required, but not included: 1/4" x 3/8" line set (x2)
The GREE Multi21+ Dual-Zone CONCEALED DUCT 18,000 BTU System is powered by Gree’s G10 inverter-driven compressor and eco-friendly R410A refrigerant. These units can heat and cool 2 zones without distribution boxes. Our G10 inverter technology saves energy, reduces outdoor noise and keeps room temperature steady by eliminating the harsh starts & stops of conventional systems. The Multi21+ Concealed Duct offer the ultimate in flexibility and discretion. These slim indoor units are designed to be concealed above suspended ceilings or within open closet spaces to deliver conditioned air via ducting and suitable ceiling or wall grilles.
Features & Benefits:
- High Efficiency up to 22 SEER
- Sound Levels to 56 dB(A)
- Multi-point Diagnostics
- Low Ambient Cooling down to 0° F
- Low Ambient Heating down to -4° F
- Intelligent Defrost
- Heavy Gauge Steel Cabinet
- Includes Line-set Adaptors
- Medium Static Pressure Capability
- Slim Line Construction 7-7/8" high
- Alternate Return Air From Bottom Or Rear
- Internal Condensate Pump
- Sentry Float Switch
- IR Remote and XK -19 Wired Controller
- Five (5) Year Warranty
Please Note: Mini-Split Systems must be installed by a State Licensed HVAC Contractor for warranty eligibility.
Which line set kit do I need?
This system uses (2) 1/4" x 3/8" line sets. These are sold separately, and you can choose from our 15 ft, 25 ft, 35 ft, and 50 ft lengths. The length needed depends on the needs of your project and how you will set up the system (distance from outdoor condenser to indoor air handler).
Can I install this myself?
While installation of a ductless split is much easier than a central air system, it's still much more advanced than installing a window unit or portable. Furthermore, the manufacturer warranty is only valid if a licensed professional does the installation. So while it is possible to do the installation yourself, we strongly recommend you hire an HVAC professional in your area.
Is this backed by a warranty?
Yes, this system comes backed by a warranty from the Manufacturer, not ComfortUp. We are an authorized online seller of these systems and can assist you with any questions you may have regarding the warranty process. *Please Note, all of our manufacturers require that the installation must be done by a state Licensed HVAC contractor in order to be eligible for the warranty. Proof of HVAC licensed installation will be required so please be sure to keep all receipts. HVAC contractors will need to be involved for any warranty troubleshooting and/or repairs. Labor is not included in the manufacturers warranty. ComfortUp does offer an extended warranty option that includes Labor and can also extend parts coverage beyond the manufacturers listed timeframe. For More information on the Extended Warranty option, click here.
Note: Concealed ducts need to be installed in a conditioned space in order to operate effectively. It’s highly recommended to discuss this application with a licensed contractor that is experienced with the installation of these units.
Bundle Unit Sound Pressure Rating 56 dB(A) Capacity 18,000 BTU Cooling Capacity 7000 - 21000 Corrosion Protection Yes Cycle Hertz 60 Hz Filter Type Washable HSPF 11 Inverter Yes Item Weight 214 pounds Line Set Size For Bundle 1/4" x 3/8" (2) Minimum Circuit Amps 16 Phase Single Refrigerant R-410A Room Size 600 - 1,000 ft2 UPC 841999170394 Warranty Offered Yes Wireless No Zone Capability 2 Zones Equipment Type Heat Pump SEER 22 EER 12.5 Voltage 208-230 VAC Energy Star Rated Yes Heating Capacity 8530 - 22600 Tonnage 1.5 Product Family MULTI 21+ Mounting Type Concealed Duct 4-Way Remote Air Flow Control No
Manuals & Docs
Gree 18,000 BTU Multi21+ Dual-Zone Concealed Duct Mini Split Air Conditioner Heat Pump 208/230V SEER 22 (9-12)
- Use & Care Instructions
- Installation Instructions
- Service Manual
- Consumer Catalog 1
- Installation Instructions 1
- Submittal Sheet 1
- AHRI Certification
Find an Installer
Indoor Unit Sizing Guide
|6,000 BTU||150 – 300 sq ft|
|9,000 BTU||300 – 500 sq ft|
|12,000 BTU||400 – 650 sq ft|
|15,000 BTU||500 – 800 sq ft|
|18,000 BTU||600 – 1,000 sq ft|
|24,000 BTU||800 – 1,300 sq ft|