Water Source Heat Pump Split System from Japan
A split-system heat pump that uses water from a lake, river, or cooling tower as the heat source/sink, with indoor air handler and outdoor water-to-refrigerant heat exchanger. Falls under HTS 8418.61.0100 for heat pumps excluding air conditioning machines, distinguished by water loop operation for efficient heating and cooling.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include plumbing connection specs and refrigerant type in commercial invoice to confirm water-source classification
• Ensure AHRI certification for performance ratings to facilitate customs valuation