What tariff does the U.S. charge on heat exchange and process heating from Mexico?

In 2025, USITC reported an effective calculated-duty rate of 3.25% for heat exchange and process heating imported from Mexico, calculated as reported Calculated Duties divided by covered customs value. It reflects the observed entry mix but does not identify the legal cause of the rate or determine an entry-specific duty.

How much heat exchange and process heating does the U.S. import from Mexico?

The U.S. imported $1.6B of heat exchange and process heating from Mexico in 2025, 15.9% of the tracked heat exchange and process heating it imports, ranking Mexico the largest named source. The chart above traces the retained reported years; a year with no retained source row is unknown, not zero.

What does freight add on heat exchange and process heating from Mexico?

Cost, insurance, and freight ran 0.34% of customs value on heat exchange and process heating from Mexico in 2025. That is an additional import burden alongside the reported effective calculated-duty rate; a country-specific invoice price is still required for a comparable landed unit cost.

Tariff Monitor

U.S. Imports of Heat exchange and process heating From Mexico

In 2025, U.S. importers brought in $1.6B of heat exchange and process heating from Mexico; USITC reported an effective calculated-duty rate of 3.25% for that flow. That makes Mexico the largest named source of this family, at 15.9% of tracked heat exchange and process heating imports. The family-wide effective calculated-duty rate is 12.24%, so Mexico's observed rate is 9 points less than average. Freight and insurance add 0.34% on top of customs value. Tracked-family figures are a floor on total bilateral trade, from USITC DataWeb data.

The current reading

Import value: $1.6B of heat exchange and process heating from Mexico in 2025, customs value.
Observed effective calculated-duty rate: 3.25%, reported Calculated Duties ÷ covered customs value, 9 points below the 12.24% family average.
Share of the family: 15.9%, #1 named source of heat exchange and process heating.
Reported freight and insurance: 0.34% of customs value, shown alongside the effective calculated-duty rate.
History depth: 3 years of annual named-source boards.

Frequently asked questions

What tariff does the U.S. charge on heat exchange and process heating from Mexico? In 2025, USITC reported an effective calculated-duty rate of 3.25% for heat exchange and process heating imported from Mexico, calculated as reported Calculated Duties divided by covered customs value. It reflects the observed entry mix but does not identify the legal cause of the rate or determine an entry-specific duty.
How much heat exchange and process heating does the U.S. import from Mexico? The U.S. imported $1.6B of heat exchange and process heating from Mexico in 2025, 15.9% of the tracked heat exchange and process heating it imports, ranking Mexico the largest named source. The chart above traces the retained reported years; a year with no retained source row is unknown, not zero.
What does freight add on heat exchange and process heating from Mexico? Cost, insurance, and freight ran 0.34% of customs value on heat exchange and process heating from Mexico in 2025. That is an additional import burden alongside the reported effective calculated-duty rate; a country-specific invoice price is still required for a comparable landed unit cost.

About this data

Reference statistics derived from USITC published data. Not a customs ruling. MFN-Free and Special-rate fields describe statutory line coverage only; final entry liability requires origin, date, eligibility, exclusions and other transaction facts. Calculated Duties are statistical estimates, not a cash-collections ledger. Confirm classification, origin, program eligibility, and final entry liability with a licensed customs broker.

Last reviewed 2026-08-31.