Importing a dehumidifier is not merely declaring the product name on the invoice. Key risks arise when a household dehumidifier is confused with an industrial unit, an air-conditioning machine, or an air purifier; when the catalogue does not prove capacity/weight; or when C/O is inconsistent with HS and description. Such errors may lead to HS explanation, extra documents, delayed clearance and DEM/DET. This guide provides an E2E (End-to-End) map covering HS code, taxes, specialized policies, documents, customs procedure and pre-ETA risks.

Core HS8509.80.90 / 8479.89.69

DutyMFN 25% or 0%

VAT8%/10%

Main riskConfusing 8509 – 8479 – 8415

QUICK FACT TABLE

Review area	Key control point	Operational note
Applicable product	Standalone dehumidifier for household, office, warehouse, technical room or factory use.	Do not automatically apply to air conditioners, air purifiers, dryers, central refrigeration systems or multi-function equipment.
Core HS review	8509.80.90 for household dehumidifiers; 8479.89.69 for industrial dehumidifiers/machinery with individual function.	Review weight, capacity, working principle, intended use and product catalogue.
Reference duties	8509.80.90: MFN 25%, ordinary 37.5%; 8479.89.69: MFN 0%, ordinary 5%.	FTA rate may be 0% if a valid C/O is available and origin rules are met.
VAT	Review 8%/10% depending on VAT reduction period and exclusion list at declaration date.	Do not apply a fixed VAT rate before checking HS code and import date.
Specialized policy	A standalone dehumidifier must not automatically be treated as an air conditioner. If it is a household electrical/electronic appliance with rated voltage up to 250V, review potential quality inspection and conformity certification/declaration under QCVN 4:2009/BKHCN and Amendment 1:2016; if it cools/heats/conditions air, also review heading 84.15 and energy labeling.	If Wi-Fi, Bluetooth, battery, adapter, UV, ion, HEPA filter or air-purifying functions are included, review separately based on the actual dossier; do not conclude by trade name only.
Documents before ETA	Invoice, Packing List, B/L/AWB, catalogue, datasheet, label photos, C/O, manual, wattage, voltage, weight and model list.	ETA means Estimated Time of Arrival.

Legal note

HS codes and rates are for operational reference. Businesses must verify tariff, technical files, C/O and policies at the declaration date. Do not conclude that no permit or specialized inspection is required until model, catalogue, functions and condition have been reviewed.

Illustration for Import procedure guide for dehumidifiers — Illustration of the product group and document review before customs clearance.

SCOPE OF APPLICATION

This article applies to standalone dehumidifiers used to reduce air humidity in households, offices, warehouses, technical rooms or factories. It does not automatically apply to air conditioners, air purifiers, industrial dryers, central refrigeration systems, display refrigerators, vacuum cleaners or multi-function equipment where dehumidification is not the principal function.

Applicable to new commercial imports, project imports and factory/EPE/FDI use where documents support the declared nature.
Used/refurbished goods, warranty goods, samples or models with Wi-Fi/Bluetooth/UV/ion/HEPA must be reviewed separately.
Review must be based on catalogue, datasheet, model and actual import purpose.

CLASSIFICATION & TECHNICAL IDENTIFICATION

Household dehumidifier

Usually an electro-mechanical domestic appliance with self-contained electric motor for rooms or small offices. Check dehumidifying capacity, voltage, weight, tank capacity and accessories.

Industrial dehumidifier

Usually used in warehouses, factories or preservation areas with higher capacity and airflow. Technical datasheet and actual application should justify the classification.

Easily confused equipment

Air conditioners, air purifiers, dryers, refrigeration systems or air-treatment equipment may fall under different HS and policies.

MANDATORY TECHNICAL IDENTIFICATION TABLE

Technical criterion	Documents to compare	Risk if description is wrong	Suggested description
Product nature	Catalogue, manual, product photos, model list	Generic descriptions such as “air dryer/air purifier” may cause wrong HS.	Air dehumidifier, model…, capacity…, voltage…, brand new.
Use purpose	Brochure, room/warehouse area, application	Household and industrial dehumidifiers may be confused.	Dehumidifier for household/warehouse/factory according to actual documents.
Weight/capacity	Packing List, datasheet, nameplate	May affect classification under 8509 or 8479.	State L/day, W/kW, voltage and weight.
Auxiliary functions	Catalogue, marketing sheet, firmware/spec	Wireless, UV, ionizer, heating/cooling may trigger other policies.	State principal and auxiliary functions clearly.
Power/accessories	Adaptor, cable, filter, drain hose	Accessories may affect labeling and documentation.	Declare accessories as a synchronized set if imported together.
Goods condition	Invoice, photos, contract, declaration	Used goods may be restricted or prohibited.	Brand-new goods; if not brand-new, review separately before booking.

HS CODE – DUTY – C/O

HS determination must be based on principal function, construction, operating principle, use purpose and technical documents. Do not rely only on the commercial name “dehumidifier”.

Reference tax table by scenario

Reference HS code	Applicable scenario	MFN	Ordinary duty	VAT	C/O/FTA	Risk if misclassified
8509.80.90	Household dehumidifier/electro-mechanical domestic appliance with self-contained electric motor.	25%	37.5%	8%/10%	May reach 0% under FTA if C/O is valid.	Wrongly using 8479 may lead to duty error and post-clearance risk.
8479.89.69	Industrial dehumidifier/machinery with individual function for warehouse, factory or preservation area.	0%	5%	8%/10%	C/O remains useful for origin control even if MFN is 0%.	If the product is actually household equipment, customs may request technical justification.
8415.83.91 / 8415.83.99	Only if the product is essentially an air-conditioning machine that changes temperature and humidity.	25% or 17%	37.5% or 25.5%	8%/10%	Review by FTA.	May trigger energy-efficiency/energy-labeling review.
8421.39.90 or other heading	Only if the principal function is air filtering/purification and dehumidification is auxiliary.	Check at declaration date	Check at declaration date	8%/10%	Review by actual documents.	Incorrect principal function may cause HS reclassification.

Mandatory HS review table

Reference HS code	Applicable condition	Risk if wrong	Documents to compare
8509.80.90	Household appliance with self-contained electric motor.	Wrong MFN 25% or C/O treatment.	Catalogue, datasheet, manual, nameplate, weight and capacity.
8479.89.69	Industrial dehumidifier with individual function not specified elsewhere.	Customs may ask why not 8509 or 8415.	Capacity, airflow, application, weight and working principle.
HS 84.15 branch	Equipment that is essentially air-conditioning.	May trigger energy-labeling review.	Compressor, cooling capacity, heating/cooling mode, AC configuration.

APPLICABLE SPECIALIZED POLICIES

SPECIALIZED POLICY MATRIX

Goods scenario	Potential policy	Documents to review	Authority/portal if identifiable	Recommended timing	Risk note
New standalone household dehumidifier	Customs, labeling, duty, C/O; additionally review quality inspection/conformity certification under QCVN 4:2009/BKHCN if the product falls within the regulated scope for household electrical/electronic appliances.	Invoice, PL, B/L, catalogue, original label, C/O, manual, rated voltage, power, certificates/test reports if any.	Customs authority; provincial standards, metrology and quality authority if quality inspection is triggered.	Before ETD/ETA.	Do not conclude “no quality inspection” without checking model, function, power source and applicable QCVN.
Industrial dehumidifier	HS 8479; deeper technical explanation may be required.	Capacity, dimensions, weight, refrigerant/working principle if any.	Customs; specialized ministry if applicable.	Before HS is fixed on PO/Invoice.	Misstating industrial/household nature can cause duty errors.
Cooling/heating/air-conditioning function	Review HS 84.15 and energy labeling if it falls under the list.	Cooling capacity, compressor, airflow, mode.	MOIT/testing bodies if applicable.	Before shipment.	A compressor alone does not automatically make it an air conditioner.
Wi-Fi/Bluetooth/app control	Possible ICT/radio review if the wireless module falls under management.	Wireless module spec, frequency, datasheet.	Relevant ministry depending on policy at import date.	Before ETA.	Do not ignore wireless wording on catalogue/label.
HEPA/ion/UV/sterilization function	Possible air purifier or auxiliary-function review.	Filter spec, UV/ion generator spec.	Customs/specialized authority if applicable.	Before HS declaration.	Avoid overstating claims without documents.
Used/refurbished goods	Review used consumer goods/electrical equipment restrictions.	Year, condition, photos, contract, technical standard.	MOIT/MOST/customs depending on case.	Before booking.	Do not handle as brand-new goods.
EPE/FDI/factory import	Still review HS, tax, C/O and specialized policy.	Contract, use purpose, project documents, catalogue.	Managing customs branch.	Before declaration.	Do not assume exemption due to factory use.

LEGAL DOCUMENTS TO REVIEW

Document group	Document	Issuing body	Effective time	Role	Key points	Review note
Law	Customs Law 2014; Law on Export and Import Duties 2016	National Assembly	Current validity	Customs declaration, HS, valuation and duty basis.	Customs declaration and supervision principles.	Check amendments if any.
Decree	Decree 08/2015/ND-CP; Decree 59/2018/ND-CP	Government	As per each document	Customs procedure framework.	Documents, inspection, post-clearance.	Review updated guidance.
Customs circulars	Circular 38/2015/TT-BTC; Circular 39/2018/TT-BTC	Ministry of Finance	As per each document	Declaration dossier and customs channels.	Dossier, valuation, C/O.	Apply by customs regime.
Tariff	Decree 26/2023/ND-CP; Decree 108/2025/ND-CP	Government	26/2023 effective 15/07/2023; 108/2025 effective 19/05/2025	MFN and tariff review.	Import tariff schedules.	Check at declaration date.
Ordinary duty	Decision 15/2023/QD-TTg	Prime Minister	Effective 15/07/2023	Ordinary import duty if MFN/FTA is not available.	Ordinary duty application rules.	Check each HS.
VAT	Resolution 204/2025/QH15; Decree 174/2025/ND-CP	National Assembly; Government	From 01/07/2025 to 31/12/2026	Review 8%/10% VAT.	Exclusion list.	Do not fix before HS/import date.
Labeling	Decree 43/2017/ND-CP; Decree 111/2021/ND-CP	Government	Current validity	Original label and Vietnamese sub-label.	Name, origin, manufacturer, specifications.	Check before circulation.
Energy labeling	Circular 52/2025/TT-BCT	MOIT	From 01/01/2026 by roadmap	Review if product is actually air conditioner or listed equipment.	List of household, office, commercial and industrial equipment.	Standalone dehumidifier should not be automatically treated as listed product.
Electrical safety / Group-2 goods	Decision 2711/QD-BKHCN; QCVN 4:2009/BKHCN and Amendment 1:2016 issued under Circular 21/2016/TT-BKHCN	Ministry of Science and Technology	Decision 2711 issued on 30/12/2022; Circular 21/2016/TT-BKHCN effective 01/02/2017	Basis for reviewing quality inspection/conformity certification for regulated electrical and electronic appliances.	Annexed HS/QCVN, rated voltage, principal function, certificates/test reports.	Apply only when the actual model falls within the regulated scope; do not apply generally to every industrial dehumidifier.
Used goods	Decree 69/2018/ND-CP; Circular 08/2023/TT-BCT if used consumer/electrical goods	Government; MOIT	As per each document	Used goods restriction/prohibition review.	List of prohibited used goods.	Be careful with used household dehumidifiers.

VIEW / DOWNLOAD ORIGINAL LEGAL DOCUMENTS

Businesses may search documents by number on official legal document portals, the Government portal or websites of issuing authorities. Businesses should cross-check official legal document portals or issuing authority websites before application.

Decree 26/2023/ND-CP Decree 108/2025/ND-CP Circular 52/2025/TT-BCT Decision 2711/QD-BKHCN QCVN 4:2009/BKHCN Decree 174/2025/ND-CP

CUSTOMS CLEARANCE DOSSIER

Commercial documents

Commercial Invoice.
Packing List.
Bill of Lading/Air Waybill.
Sales Contract/Purchase Order if any.
Certificate of Origin – C/O if claiming preferential duty.
Catalogue/Datasheet, manual, original label photos and model list.

Specialized documents if triggered

Energy-efficiency dossier if product is actually listed air-conditioning equipment.
Wireless module dossier if Wi-Fi/Bluetooth exists.
Used/refurbished goods dossier if not brand-new.
Labeling and Vietnamese sub-label dossier.

OPERATIONAL DOSSIER CHECKLIST

Dossier group	Required documents	Used for	Usual preparer	Common error	Pre-ETA check
Commercial	Invoice, Packing List, Sales Contract/PO	Declaration, valuation, quantity control	Buyer/shipper/docs	Generic goods name, missing model/capacity.	Compare goods name, model, quantity and value.
Transport	B/L or AWB, pre-alert, ETA	Cargo release and manifest matching	Forwarder/agent	Wrong consignee, packages or weight.	Compare PL and transport documents.
Technical	Catalogue, datasheet, manual, label photos, model list	HS and policy review	Supplier/technical team	Missing L/day, weight or auxiliary functions.	Request full datasheet.
Origin	C/O if claiming preferential duty	FTA duty application	Shipper/buyer	Wrong description, HS or origin criterion.	Compare C/O with Invoice/PL/B/L/label.
Labeling	Original label and draft Vietnamese sub-label	Post-clearance circulation	Importer/legal/compliance	Missing Vietnamese product name/origin/manufacturer.	Review against labeling decrees.
Specialized if any	Energy-efficiency documents, wireless module spec, test reports, used-goods documents	Specialized review before/after clearance	Importer/compliance/testing body	Prepared only after ETA.	Check AC, Wi-Fi, Bluetooth, motor, heater and purifier functions.

DECISION POINTS THAT MAY HOLD THE SHIPMENT

Decision point	Question to answer	Proof documents	Impact if unclear	Recommended handling
Principal function	Only dehumidifying or also AC/purifying/heating?	Catalogue, datasheet, manual	Wrong HS and policy.	Determine principal function before HS finalization.
Household or industrial	Small household/office unit or factory/warehouse unit?	Capacity, weight, application	Wrong duty between 8509 and 8479.	State application and specs clearly.
HS 84.15 branch	Is it actually an air conditioner?	Cooling capacity, compressor, fan, temp control	Possible energy-labeling requirement.	Review Circular 52 if AC function exists.
C/O	Is C/O form/criterion/description/HS correct?	C/O, invoice, PL, B/L	FTA duty may be rejected.	Check before final documents.
Used/refurbished	Is it brand-new?	Invoice, contract, photos, condition confirmation	Possible import restriction/prohibition.	Review used-goods policy before booking.
Label	Are model, voltage, origin, manufacturer shown?	Original label, sub-label artwork	Sub-label or circulation issue.	Finalize labeling before domestic delivery.

PRACTICAL E2E PROCESS

Step 1: Pre-ETA review

Fix HS direction: 8509.80.90, 8479.89.69 or other branch if justified.
Check duty, VAT 8%/10%, C/O, labeling and energy policy if AC function exists.

Step 2: Lock documents and technical files

Compare Invoice, Packing List, B/L/AWB with catalogue/datasheet/model list.
Check voltage, dehumidifying capacity, weight, auxiliary functions and origin.

Step 3: Handle specialized review if triggered

If AC, Wi-Fi/Bluetooth, UV/ion or used goods exist, review before arrival.
Prepare test reports or technical dossiers if applicable.

Step 4: Customs declaration

Green: system clearance under conditions; Yellow: documentary check; Red: documentary and physical inspection.
Prepare HS, valuation, function, C/O and labeling explanations.

Step 5: Clearance, delivery and record keeping

Apply Vietnamese sub-label before circulation if required.
Archive declaration, documents, catalogue, C/O and label photos for post-clearance.

PRE-ETA RISK CHECKLIST

Risk	Consequence	Pre-ETA control	Documents to check
Confusing 8509.80.90 and 8479.89.69	Wrong duty, reclassification or delay.	Lock function, weight, use environment and capacity.	Catalogue, datasheet, PL, product photos.
Missing HS 84.15 review	Energy-labeling or specialized policy may be missed.	Check cooling/heating capacity, compressor and temperature control.	Manual, test report, product label.
Wrong C/O description or HS	FTA preference rejected.	Compare C/O with Invoice, PL, B/L and label.	C/O draft/final, invoice, PL.
Wireless function not reviewed	Technical queries or additional dossier may arise.	Separate wireless and non-wireless model lists.	Wireless module spec, catalogue, label.
Incomplete Vietnamese sub-label	Circulation issue after clearance.	Prepare sub-label before arrival.	Original label, artwork.
Used goods	Import restriction/prohibition risk.	Review condition before booking.	Contract, invoice, photos.

FAQ – COMMON BUSINESS QUESTIONS

Does a dehumidifier require an import license?

No absolute conclusion should be made without checking model and functions. For a new standalone dehumidifier, the main focus is usually HS, duty, label and C/O; special functions may trigger other policies.

How are household and industrial units classified?

Household units commonly point to 8509.80.90; industrial units with individual function commonly point to 8479.89.69.

Is energy labeling required?

A standalone dehumidifier is not automatically an air conditioner. If the product is essentially air-conditioning equipment, review Circular 52/2025/TT-BCT.

Can C/O reduce duty?

Yes. For 8509.80.90, valid C/O may reduce duty under FTA. For 8479.89.69, C/O is still useful for origin compliance.

What if Wi-Fi/Bluetooth is included?

Wireless modules should be reviewed separately under ICT/radio policies if applicable at import date.

Can used dehumidifiers be imported?

Used household electrical appliances may fall under restriction/prohibition policies. Review before booking.

TGIMEX EXECUTION SUPPORT

This article provides a compliance map for HS, duty, specialized policy and import documents for dehumidifiers. In actual shipments, review must still be based on catalogue, datasheet, model, documents, origin and import purpose.

Pre-ETA review

HS, VAT, C/O, label and energy/ICT policy if triggered.

Compliance dossier control

Cross-check Invoice, Packing List, B/L/AWB, C/O, catalogue, label and technical specifications.

E2E operation

International logistics, customs declaration, channel handling, domestic delivery and post-clearance records.

For shipments that may involve specialized policies, C/O, labeling or technical functions, businesses should not wait until arrival to start document review. Minor discrepancies may cause additional document requests, clearance delays or unplanned costs.

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