Ductless Mini Split System and Remote, Single Zone, Indoor Unit, 18,000 BTU, 230V, 1PH, 23.5 SEER

ComfortStar CHF18CD(I) – 18,000 BTU High Wall Indoor Unit for Single-Zone Systems

The ComfortStar CHF18CD(I) is a 230V wall-mounted indoor unit designed for use with ductless split systems. With a cooling and heating capacity of 18,000 BTU and a SEER rating of 23.5, this high-efficiency unit delivers reliable performance in residential and light commercial applications. It operates effectively in low ambient conditions and supports year-round climate control.

This unit is designed to integrate with ComfortStar inverter-driven outdoor condensers, providing quiet, targeted comfort without the need for traditional ductwork. Its compact design, quiet operation, and wide temperature range make it a dependable option for zone-specific installations.

System Features

• BTU Rating: 18,000 BTU for both cooling and heating applications
• Efficiency: 23.5 SEER for energy-efficient operation
• Low Ambient Operation: Functions in temperatures as low as -22°F for cold-weather heating
• Sound Level: As low as 19 dB for noise-sensitive environments
• Filtration: Multi-stage filtration helps maintain indoor air quality

Technical Specifications

• Model: CHF18CD(I)
• Voltage: 230V
• Phase: 1PH
• Mounting Type: High Wall
• Application: Single-Zone Ductless System

Installation Requirements

Installation of the CHF18CD(I) should be performed by a licensed HVAC technician to ensure compliance with local code and proper system commissioning. This unit requires connection to a compatible outdoor inverter condenser, proper refrigerant line sizing, and accurate electrical wiring to function at its rated capacity and efficiency.

Professional Use Applications

This indoor unit is suitable for targeted temperature control in spaces where ducted systems are impractical. Its high efficiency and low noise profile make it ideal for offices, bedrooms, or any zone requiring precise and quiet operation. For contractors, the CHF18CD(I) offers reliable integration into ComfortStar mini-split systems with minimal installation constraints.

Additional Performance Highlights

• Energy Star Qualified: Meets recognized efficiency standards for HVAC performance
• Smart Integration Compatible: Supports advanced control platforms when paired with compatible interfaces
• Flexible Placement: Suitable for retrofit and new construction installations
• Durable Build: Manufactured with long-life components for dependable daily use