18,000 BTU Gold Series Single Zone Ductless Mini-Split Heat Pump (Outdoor Unit)

ComfortStar CGS18CD(O) – 18,000 BTU Gold Series Outdoor Heat Pump Unit

The ComfortStar CGS18CD(O) is the outdoor component of the 18,000 BTU Gold Series ductless mini-split system, designed for single-zone heating and cooling applications. With a SEER rating of 19 and heating capacity up to 20,000 BTU, this inverter-driven heat pump delivers efficient year-round climate control for residential and light commercial environments.

Engineered with advanced compressor technology and optimized for R410A refrigerant, the CGS18CD(O) supports stable operation even in demanding conditions. Its compact footprint, corrosion-resistant casing, and low sound output make it suitable for space-constrained and noise-sensitive installations.

System Features

• Capacity: 18,000 BTU Cooling / 20,000 BTU Heating
• SEER: 19 Seasonal Energy Efficiency Rating
• Voltage: 230V, Single Phase
• Refrigerant: Pre-charged for R410A
• Sound Rating: As low as 25 dB

Performance Highlights

• Inverter Compressor: Provides variable-speed operation for greater energy control
• High Ambient Heating: Capable of delivering heat in low outdoor temperatures
• Weather-Resistant Cabinet: Built for durability in outdoor environments
• Quiet Operation: Low noise emissions for use near occupied living areas

Installation Considerations

Installation of the CGS18CD(O) should be performed by a licensed HVAC technician to ensure refrigerant integrity, electrical safety, and code compliance. Matching with a compatible indoor air handler is required for full system operation. Proper mounting surface, condensate routing, and refrigerant line sizing must be confirmed during system design.

Contractor Notes

This outdoor heat pump supports targeted zone applications, offering installers flexibility in retrofit and new system configurations. The high SEER efficiency and inverter performance meet contemporary energy standards while helping contractors deliver cost-effective solutions to end users.

Key Attributes

• Corrosion-Resistant Construction – Designed to endure harsh outdoor exposure
• Remote Compatibility – Pair with matching indoor units for control flexibility
• R410A Refrigerant – Environmentally compliant and industry standard
• Compact Size – Optimized for installations with limited exterior clearance
• Factory Warranty Coverage – Includes limited manufacturer warranty when registered