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HSChapter 85
U.S. imports of electric instantaneous & storage water heaters; immersion heaters (HS 851610) totaled $73.5M in April 2026, traded with 36 countries.
Importers of Electric Instantaneous & Storage Water Heaters; Immersion Heaters paid $2.3M in duties in April 2026 — an effective duty rate of 13% on $16.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataMexico leads US imports of electric water heaters under this heading, with China and Canada also significant, reflecting both USMCA-advantaged nearshore production and broad global manufacturing capacity. The US schedule divides the heading between electric storage water heaters (8516100040) — the tank-style units common in residential construction — and instantaneous (tankless) water heaters plus immersion heaters (8516100080), which serve both residential and industrial process-heating applications. Products must comply with applicable UL or ANSI safety standards and may be subject to Department of Energy efficiency regulations before they can be sold in the US market. Chinese-origin units are subject to Section 301 tariffs, a factor that has accelerated sourcing shifts toward Mexico and other origins.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Storage water heaters maintain a reservoir of heated water and classify under 8516100040, while instantaneous heaters heat water on demand without a storage tank and fall under 8516100080 along with immersion heaters. The distinction matters because the two lines may carry different duty rates, and the product type must match the technical description on the commercial invoice and entry documentation.
Yes. The US Department of Energy sets minimum energy factor (or uniform energy factor) standards for water heaters sold in the US market. Importers should confirm that products meet current DOE efficiency requirements before shipment, as non-compliant units cannot legally be sold domestically regardless of their customs clearance status.
Monthly import values over time
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HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8516100040 | ELECTRIC STORAGE WATER HEATERS | $53.8M | 12.45% | $862K |
| 8516100080 | ELECTRIC INSTANT WATER HEATERS & IMMERSION HEATERS | $19.7M | 13.98% | $1.4M |
ELECTRIC STORAGE WATER HEATERS
ELECTRIC INSTANT WATER HEATERS & IMMERSION HEATERS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8516100080 | ELECTRIC INSTANT WATER HEATERS & IMMERSION HEATERS | $11.6M |
| 8516100040 | ELECTRIC STORAGE WATER HEATERS | $11.4M |
ELECTRIC INSTANT WATER HEATERS & IMMERSION HEATERS
41.3K no
ELECTRIC STORAGE WATER HEATERS
44.0K no
MACH FOR RECP/CONVR/TRANS/REGN OF VOICE/IMAGE/DATA
HS 851762
SOLID-STATE NON-VOL SEMICONDUCTOR STORAGE DEVICES
HS 852351
SMARTPHONES
HS 851713
PROCESSORS AND CONTROLLERS, ELECTRONIC INTEG CIRCT
HS 854231
CONTROLS ETC W ELECT APPR F ELECT CONT NOV 1000 V
HS 853710
STATIC CONVERTERS; ADP POWER SUPPLIES
HS 850440
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $28.7M | $936K | -$27.8M |
| CALEXICO-EAST, CA | $8.4M | -- | -$8.4M |
| PORT HURON, MI | $1.4M | $5.4M | +$4.0M |