Product classification
HS code for Heat exchanger: 8419.50
Heat exchange units, not used for domestic purposes.
Classification of heat exchanger under HS 8419.50
Heat exchangers are classified under HS code 8419.50. This code is situated in Chapter 84, which covers nuclear reactors, boilers, machinery, and mechanical appliances. Heading 8419 specifically addresses machinery, plant, or laboratory equipment, whether or not electrically heated, for the treatment of materials by a process involving a change of temperature. Sub-heading 8419.50 is the specific designation for heat exchange units. These are industrial or commercial devices designed to transfer heat between two or more fluids (liquids or gases) without the fluids mixing. The classification applies to units where the primary function is the exchange of heat, regardless of the industry (e.g., chemical processing, HVAC, or food production). However, a critical distinction is that these units must not be used for domestic purposes; domestic water heaters or similar appliances are classified elsewhere in heading 8419 or under heading 8516.
- Covers
- Shell and tube heat exchangers
- Plate heat exchangers
- Cross-flow and counter-flow heat exchangers
- Industrial radiators for machinery cooling
- Condensers and evaporators (not part of refrigeration units)
- Also under 8419.50
- Alfa Laval (plate heat exchangers)
- GEA (various heat exchangers)
- Tranter (plate & frame heat exchangers)
- Kelvion (shell & tube, plate heat exchangers)
- Chart Industries (brazed aluminum heat exchangers)
Codes often confused with 8419.50
Common mistake. Heat exchangers are frequently misclassified under HS code 8415.90 (parts of air conditioning) or 8418.99 (parts of refrigerating equipment). While heat exchangers are components of these systems, if they are imported as stand-alone units not specifically identifiable as parts of a particular machine, 8419.50 is the correct heading. Additionally, domestic-type water heaters are often wrongly placed here instead of 8419.11 or 8419.19.
Top exporters and importers of HS 841950 (the code used for heat exchanger), 2025
In 2025, the largest exporter of HS 841950 (the code used for heat exchanger) in UN Comtrade data was China, with 16% of world exports; the largest importer in UN Comtrade data was the United States, with 12% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 841950, not only heat exchanger.
Top exporters 2025 ยท share of world exports
- 1 China $2.6B 16% of world exports
- 2 United States $1.9B 11% of world exports
- 3 Germany $1.5B 9.3% of world exports
World total: $16.4B Reported figures on UN Comtrade โ
Top importers 2025 ยท share of world imports
- 1 United States $2.1B 12% of world imports
- 2 Germany $1.5B 8.9% of world imports
- 3 China $843M 5.0% of world imports
World total: $16.8B Reported figures on UN Comtrade โ
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for heat exchanger
Brazil splits HS 8419.50 into 5 NCM codes. Pick the one that matches your product:
- 8419.50.10Plate heat exchangers
- 8419.50.21Tubular heat exchangers, metallic
- 8419.50.22Tubular heat exchangers of graphite
- 8419.50.29Other tubular heat exchangers
- 8419.50.90Other heat exchangers
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about heat exchanger
What is the HS code for Heat exchanger?
The HS code for Heat exchanger is 841950 (Heat exchange units; not used for domestic purposes). The HS code for industrial or non-domestic heat exchange units is 8419.50.
How do I classify Heat exchanger for customs?
Heat exchanger is classified under HS code 841950 โ Heat exchange units; not used for domestic purposes. This is a 6-digit subheading level code.
Does this code cover heat exchangers used in cars?
No, radiators and heat exchangers specifically designed for vehicles are typically classified under 8708.91 as parts of motor vehicles.
Which countries are the top exporters of heat exchanger (HS 841950)?
In 2025, the top exporters of HS 841950 (the code used for heat exchanger) in UN Comtrade data were China ($2.6B, 16% of world exports), the United States ($1.9B) and Germany ($1.5B). World exports came to about $16.4B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of heat exchanger (HS 841950)?
In 2025, the top importers of HS 841950 (the code used for heat exchanger) in UN Comtrade data were the United States ($2.1B, 12% of world imports), Germany ($1.5B) and China ($843M). World imports came to about $16.8B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Heat exchanger the same in all countries?
The base HS code 841950 for Heat exchanger is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for heat exchanger in Brazil?
Brazil splits HS 841950 into 5 NCM codes, so the right one for heat exchanger depends on the product's details: 8419.50.10 (Plate heat exchangers), 8419.50.21 (Tubular heat exchangers, metallic), 8419.50.22 (Tubular heat exchangers of graphite), 8419.50.29 (Other tubular heat exchangers), 8419.50.90 (Other heat exchangers).