















Zone Air® Airframe DUAL ZONE 21,500 BTU (12K+9.5K) 21 SEER2 230V Ceiling Cassette Mini-Split Heat Pump System with 2x Pre-Charged Linesets - Up to 1,075 Sq Ft
Frequently Purchased Together
At a Glance
Electrical Requirements
45-day free returns • 7-year compressor warranty • Free shipping • Live US support 9–5 MST
Payment & Security
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System Overview
Your Purchase Includes
Everything you need for a complete DIY installation





Summary
- Voltage: 208-230V
- Environmentally friendly R454B (pre-charged)
- Low ambient range operation: heating down to Independent zone control
- Variable-speed DC inverter driven performance
- Pre-charged lineset included for DIY installation
- Energy Star certified
Features
- One 12,000 BTU + one 9,500 BTU ceiling cassette
- 4-way air distribution per zone
- Independent temperature control per zone
- Single outdoor unit powers both zones
- 21 SEER2 energy efficiency
- Two pre-charged linesets included
- WiFi control for each zone
The outdoor unit is factory pre-charged with R454B (pre-charged) refrigerant, accommodating refrigerant line lengths of up to 25 ft. per circuit. If using a lineset that exceeds this length, additional refrigerant will need to be charged into the system during installation. This model can only be purchased with the 25 ft. lineset option. If needing a different length, please purchase additional linesets here.
Airframe Ceiling Cassette Series
Zone Air® ceiling cassette systems provide 360-degree airflow from a flush-mounted ceiling unit. Ideal for offices, commercial spaces, and modern homes where wall space is limited. Each system includes a decorative panel, pre-charged lineset, and full installation hardware.
What's Included in Your Purchase
- ✓ Indoor Unit
- ✓ Outdoor Unit
- ✓ Wireless Remote Control
- ✓ Remote Control Wall Holder
- ✓ Remote Control Batteries
- ✓ Decorative Ceiling Panel
- ✓ 16 Ft. Copper Lines
- ✓ 16 Ft. Electrical Wire
- ✓ 10 Ft. Drain for Indoor/Outdoor
- ✓ Wall Passage Sleeve
- ✓ Putty for Wall Hole
- ✓ Leak Guard Sealer
- ✓ Wrapping Tape
- ✓ Installation Manual
- ✓ User's Manual
Quick-Connect Installation
Product Warranty
Warranty registration is required within 90 days of purchase. Please check our Warranty Policy.
- Up to 5 years warranty on parts
- Up to 7 years warranty on compressor
Manuals & Documents
Technical Information & Performance
SYSTEM KIT
| Total Cooling Capacity | 21,000 BTU/h |
| Per Zone Capacity | 12,000 + 9,000 BTU/h |
| Total Heating Capacity | 22,000 BTU/h |
| SEER2 Rating | 21 |
| HSPF Rating | 10 |
| Voltage | 208-230V / 60Hz |
| Number of Zones | 2 |
| Refrigerant Type | R454B (pre-charged) |
| Indoor Units | 1× 12K + 1× 9K ceiling cassette units |
| Linesets Included | 2× 16 ft pre-charged |
| Operating Temperature | -13°F to 122°F |
| Sound Level (per unit) | 28–42 dB |
| Condensate Pumps | Integrated in each unit |
INDOOR UNIT
| Part Number | zdiy-cc-12I |
| Net Dimensions (WxDxH) | 25-5/8" x 25-5/8" x 22-1/2" |
| Carton Dimensions (WxDxH) | Coming soon |
| Net / Gross Weight | Coming soon |
OUTDOOR UNIT
| Part Number | zdiy-cc-9I |
| Net Dimensions (WxDxH) | 31-7/8" x 12" x 21-5/8" |
| Carton Dimensions (WxDxH) | Coming soon |
| Net / Gross Weight | Coming soon |

Even Temperature Throughout
360° Air Distribution
Four-way distribution eliminates hot and cold spots, spreading conditioned air evenly throughout the entire space.
Year-Round Comfort
Smart Louver Control
Intelligent louvers auto-adjust: 10° angle for gentle cooling, 85° angle to push warm air downward in heating mode.


Control From Anywhere
Wi-Fi Smart Control
Control from anywhere with the Zone Air app. Adjust temperature, set schedules, and monitor energy usage from your phone.
Simple Upkeep
Easy Filter Access
Panel drops down for quick access to washable, reusable filters. No tools required.

Advanced Features
Smart Climate Control
- ✓360° air distribution
- ✓24-hour programmable timer
- ✓Turbo mode for rapid cooling/heating
- ✓Auto mode with intelligent temperature control
- ✓ECO mode for energy savings
- ✓Smart sleep mode
Premium Components
- ✓High-efficiency rotary compressor
- ✓Premium indoor motor
- ✓4-speed variable fan control
- ✓R454B eco-friendly refrigerant
- ✓Fire-proof electrical enclosure
- ✓High-efficiency heat exchanger
Convenience & Safety
- ✓Auto-restart after power loss
- ✓Self-diagnostic system
- ✓Refrigerant leakage detection
- ✓Emergency manual operation
- ✓Ceiling panel indicator lights
- ✓Temperature display toggle (°C/°F)
Easy Maintenance
- ✓Drop-down panel for filter access
- ✓Washable air filters
- ✓Condensate pump included
- ✓Self-cleaning function
- ✓Quick service access
- ✓Anti-cold wind protection
Operating Temperature Range
Frequently Asked Questions
Do I need an HVAC technician to install this?
What electrical work is needed?
What if 16 ft of lineset isn't enough?
Does this unit heat and cool?
What warranty is included?
Complete Your Installation
Accessories and extensions for your system

9 Ft. Pre-Charged R454B Lineset Extension Kit for 9K & 12K BTU Mini-Split Systems

9 Ft. Pre-Charged R454B Lineset Extension Kit for 18K BTU Mini-Split Systems

Heavy-Duty Foldable Wall Mount Bracket for Mini-Split Outdoor Condenser Units

