Star Pro CSS Series - 24V Heat Pump Split System | Up to 18.4 SEER2

Key Features
Effortless R410A Replacement
Upgrade with ease — the CSS Series is fully compatible with existing R410A line sets and wiring. No system modifications required, saving time and installation costs for contractors and homeowners alike.

Universal 24V Control
Engineered for flexibility, the 24V control design pairs seamlessly with any indoor unit using a standard heat pump thermostat. No proprietary controls or additional accessories needed.

Ultra-Quiet Performance
Enjoy powerful comfort without the noise. Operating at just 54 dBA, the CSS Series ensures smooth, quiet operation for both indoor and outdoor environments.

Compact, Space-Saving Build
Designed for tight spaces, this model delivers full-size performance in a 50% smaller footprint than traditional condensing units — perfect for limited installation areas or retrofit projects.