Water Source Heat Pump Split System

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8418Same rate: 35%

If absorption-type using lithium bromide solution

Absorption heat pumps use thermal energy rather than compression, classified separately in 8418.62.

8419.89.95Higher: 39.2% vs 35%

If for marine or shipboard water-source applications

Heat pumps integral to ship machinery fall under Chapter 84 provisions for marine equipment.

8415.90.80Lower: 18.9% vs 35%

If imported as parts of heading 8415 AC units

Components like compressors or coils for AC machines classified under 8415.90 parts.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

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

Related Products under HTS 8418.61.01.00

Air-to-Water Heat Pump Monobloc Unit

A single-cabinet heat pump that extracts heat from outdoor air to produce hot water for hydronic heating systems, radiators, or underfloor heating. HTS 8418.61.0100 applies as it's a heat pump not functioning as an air conditioning machine of 8415, producing heated water rather than conditioned air.

High-Temperature Heat Pump for Process Heating

Advanced heat pump delivering water up to 80°C for industrial process heating, replacing steam boilers. Under 8418.61.0100 as specialized heat pump not air conditioning equipment, for elevated temperature applications.

Geothermal Ground Source Heat Pump

A heat pump system that extracts heat from the ground using buried loops of piping filled with water or antifreeze, transferring it to heat buildings in winter and rejecting heat to the ground in summer. Classified under HTS 8418.61.0100 as it functions as a heat pump other than air conditioning machines of heading 8415, specifically designed for heating via ground source rather than direct air exchange.

Commercial Refrigerated Warehouse Heat Pump

Industrial heat pump recovering waste heat from supermarket refrigeration systems to provide space heating or hot water. Under HTS 8418.61.0100 as specialized heat pump equipment excluding air conditioning types, repurposing refrigeration byproduct heat.

Modular Water-to-Water Heat Pump

Compact modular heat pump exchanging heat between two water loops for district heating or multi-zone building systems. Classified HTS 8418.61.0100 for heat pumps other than 8415 AC machines, designed for water circuit heat transfer.

Pool Heat Pump Water Heater

Titanium heat exchanger-equipped heat pump for heating swimming pool water by extracting ambient air heat. HTS 8418.61.0100 covers such heat pumps excluding air conditioning machines, specifically for aquatic heating applications.