18,000 BTU Single Zone Ceiling Cassette Air Cond/Heat Pump - Indoor Unit

ComfortStar TPA-18 Ceiling Cassette – 18,000 BTU Indoor Unit for Multi-Zone Systems

The ComfortStar TPA-18 is an 18,000 BTU ceiling cassette indoor unit designed for ductless split-system applications. Engineered for both residential and light commercial environments, this unit provides zoned heating and cooling with a compact ceiling-integrated design. When matched with a compatible inverter-driven outdoor condenser, it delivers energy-efficient, quiet operation for year-round climate control.

Performance Specifications

• Cooling Capacity: 18,000 BTU
• Heating Range: Supports operation in ambient temperatures down to -22°F (-30°C)
• Voltage: 230V, Single Phase
• SEER Rating: Up to 20 SEER (dependent on condenser pairing)
• Refrigerant Type: R-410A

Core Features

• Ceiling Cassette Format: Designed for flush installation in suspended or drop ceiling grids
• 360° Air Distribution: Four-way airflow panel ensures even coverage across the space
• Quiet Operation: Low-noise performance suitable for offices, meeting rooms, and bedrooms
• Integrated Dehumidification: Removes excess humidity without additional cooling
• Self-Cleaning Mode: Maintains internal coil hygiene between service intervals

Additional Features

• Refrigerant Leak Detection: Monitors for system integrity and alerts in the event of pressure loss
• Remote Control with "Follow Me": Integrated temperature sensor enhances zone-level accuracy
• Low Ambient Cooling: Supports cooling at outdoor temps as low as 4°F (-15°C)
• Vertical Louver Swing: Motorized vane control improves air dispersion
• Self-Diagnostics: Built-in error code reporting for streamlined maintenance

Installation Requirements

The TPA-18 unit requires mounting into an accessible ceiling structure and proper clearance for drain piping, refrigerant line sets, and service access. It should be installed by a licensed HVAC technician to ensure refrigerant handling compliance and system performance. Electrical connections must adhere to applicable codes and match the voltage and amperage requirements specified by the paired outdoor unit.

Application Suitability

Well-suited for zoned conditioning of individual rooms or open-plan areas up to approximately 750 sq. ft., the ComfortStar TPA-18 offers efficient, discreet air distribution without sacrificing capacity. Its flexible control options and compact form factor make it a preferred choice in retrofits or new construction where ductwork is not feasible.