Guidance on EMC Testing for Air Conditioners according to QCVN 9:2012/BKHCN

Phuc Gia Laboratory Corporation offers comprehensive guidance on EMC Testing for Air Conditioners in accordance with QCVN 9:2012/BKHCN, enabling businesses to navigate legal regulations, technical workflows, and the tangible advantages of Technical regulation Compliance. Beyond being a compulsory prerequisite for market entry, ensuring EMC Testing for Air Conditioners serves as a strategic quality assurance measure that strengthens brand credibility while safeguarding both end-users and the national power grid.

See more: Capacity Profile Of Phuc Gia Laboratory Corporation

Table of contents

I. The situation of air conditioner usage in Vietnam

Amidst the challenges of severe climate change, the demand for air conditioning in Vietnam is skyrocketing, reaching unprecedented levels. With urban centers like Hanoi, Ho Chi Minh City, and Da Nang regularly experiencing heatwaves above 40°C, air conditioners have transitioned from luxury items to essential household appliances. This shift presents significant expansion potential for the HVAC and refrigeration sectors.

Modern consumers are increasingly prioritizing energy-efficient models featuring Inverter technology, IoT connectivity, and PM2.5 filtration. There is a clear willingness to invest in premium products that offer stable performance, reduced electricity bills, and environmental sustainability. This demand pushes leading brands to innovate and maintain a competitive edge across all market tiers.

However, the surge in consumption brings substantial energy and environmental challenges. Air conditioning systems can represent up to 40 – 60% of the total energy load in commercial buildings and hotels. Consequently, adherence to minimum energy performance standards (MEPS), energy labeling registration, and specifically EMC Testing for Air Conditioners has become vital. These standards are essential for safeguarding the national power grid, ensuring consumer safety, and reducing the carbon footprint.

Vietnam stands at a crossroads of market growth and the necessity for rigorous quality control. Achieving high energy efficiency and passing EMC Testing for Air Conditioners are more than just legal hurdles; they are strategic pathways for brands to build trust. For consumers, these standards guarantee a sustainable and cost-effective cooling experience.

Given the rising dependency on cooling technology, EMC Testing for Air Conditioners is a critical regulatory requirement. To address this, the Ministry of Science and Technology promulgated QCVN 9:2012/BKHCN – the National Technical Regulation on Electromagnetic Compatibility for Electrical and Electronic Equipment. This regulation serves as the mandatory legal framework for testing and certification, ensuring all products are safe and compliant before entering the Vietnamese market.

EMC Testing for Air Conditioners according to QCVN 9:2012/BKHCN

II. Current regulations applicable to air conditioners

– Circular No. 11/2012/TT-BKHCN: The Circular promulgating the “National technical regulation on electromagnetic compatibility for household electrical and electronic equipment and similar purposes” issued by the Ministry of Science and Technology on April 12, 2012.

– QCVN 9:2012/BKHCN – National technical regulation on electromagnetic compatibility for household electrical and electronic equipment and similar purposes issued by the Ministry of Science and Technology on April 12, 2012.

Accordingly, from April 12, 2012, products specified in the table below must have goods labels in accordance with the law on goods labeling; must undergo testing and Certification of Conformity according to QCVN 9:2012/BKHCN, bear the conformity mark (CR mark), and be subject to market inspection by product and goods quality control agencies as required by QCVN 9:2012/BKHCN.

ORD	Electrical and electronic devices that must comply with QCVN 9	Technical Requirements	Effective Dates and Mandatory Compliance
1	Instant Electric Water Heaters	TCVN 7492-1 (CISPR 14-1)	01/06/2013
2	Electric Motor-operated Handheld Drills	TCVN 7492-1 (CISPR 14-1)	01/06/2013
3	Self-ballasted Lamps (Integrated Ballast Lamps)	TCVN 7186 (CISPR 15)	01/06/2014
4	Vacuum Cleaners	TCVN 7492-1 (CISPR 14-1)	01/06/2014
5	Washing Machines	TCVN 7492-1 (CISPR 14-1)	01/06/2014
6	Refrigerators, Freezers, and Commercial Refrigerators	TCVN 7492-1 (CISPR 14-1)	01/06/2014
7	Air Conditioners	TCVN 7492-1 (CISPR 14-1)	01/06/2014

– Amendment 1:2018 QCVN 9:2012/BKHCN: An updated National Technical Regulation concerning electromagnetic compatibility for household and similar electrical/electronic devices, officially promulgated by the Ministry of Science and Technology on June 6, 2018.

Under Amendment 1:2018 QCVN 9:2012/BKHCN, the scope of EMC Testing for Air Conditioners and other appliances has expanded. Specifically, 04 new product categories have been integrated into the mandatory list for electromagnetic compatibility (EMC) management:

ORD	Electrical and electronic devices that must comply with QCVN 9	Technical Requirements	Effective Dates and Mandatory Compliance
1	Hairdryers	TCVN 7492-1:2010 (CISPR 14-1:2009)	01/09/2019
2	Blenders, Meat Grinders, Juicers, Hand Mixers	TCVN 7492-1:2010 (CISPR 14-1:2009)	01/07/2020
3	Microwave (including combination types)	TCVN 6988:2006 (CISPR 11:2004)	01/07/2021
4	Electric hobs (including induction hobs)	TCVN 7492-1:2018 (CISPR 14-1:2016)	01/07/2021

– Circular No. 01/2022/TT-BKHCN: Circular amending Circular No. 07/2018/TT-BKHCN and Circular No. 08/2019/TT-BKHCN, issued by the Minister of Science and Technology on February 16, 2022.

– Decision No. 1983/QĐ-TĐC: Decision on the promulgation of guidelines for Certification of Conformity with the national technical regulation QCVN 9:2012/BKHCN on electromagnetic compatibility (EMC) for household electrical and electronic equipment and similar purposes, issued by the Ministry of Science and Technology on October 15, 2014.

III. Guidance on EMC testing for air conditioners according to QCVN 9:2012/BKHCN

1. Applicable Air Conditioning Units Requiring QCVN 9:2012/BKHCN Compliance

Under the QCVN 9:2012/BKHCN framework, this national technical regulation governs household appliances, electrical tools, and similar devices that produce radio frequency emissions between 9 kHz and 400 GHz. Air conditioning units are classified under the household appliance category, making EMC Testing for Air Conditioners a mandatory requirement to verify Electromagnetic Compatibility (EMC) before market distribution.

It is important to note that QCVN 9:2012/BKHCN excludes air conditioners powered by 3-phase electrical systems. Therefore, most standard household units currently sold in Vietnam—which operate on a single-phase alternating current (AC) supply—are strictly bound by this regulation and must successfully complete EMC Testing for Air Conditioners to achieve Technical regulation Compliance.

2. Why is it mandatory to manage EMC according to QCVN 9:2012/BKHCN for Air Conditioners?

Electromagnetic Compatibility (EMC) is the ability of electrical and electronic equipment to operate normally in an electromagnetic environment and not cause influence on the operation of other equipment. If quality is not controlled, electrical and electronic products can cause electromagnetic interference/electromagnetic compatibility issues, which can then cause major influences on the normal operation of other electrical and electronic equipment.

Every electrical and electronic product generates some level of electromagnetic interference, necessitating comprehensive electromagnetic compatibility management. This principle applies directly to air conditioning units.

During operation, even under standard conditions, electrical and electronic devices—specifically air conditioners—naturally emit electromagnetic radiation. These emissions, characterized as electromagnetic disturbance waves, vary in wavelength and intensity. High levels of radiation intensity can severely disrupt the stable performance of nearby devices and the local environment, which is why EMC Testing for Air Conditioners is essential to mitigate these risks.

What are the harmful effects of electromagnetic interference and electromagnetic compatibility issues from electrical and electronic equipment?

The real-world impacts of electromagnetic interference (EMI) and lack of electromagnetic compatibility are significant. For instance, without proper EMC Testing for Air Conditioners and other electronics, these issues can lead to inaccurate readings in blood pressure monitors or trigger operational failures in escalators, automatic doors, elevators, and surveillance cameras. Most critically, excessive electromagnetic radiation poses serious risks to human health, including nervous system and immune system disorders, reproductive health issues, and even life-threatening conditions such as cancer.

Addressing the serious concerns regarding electromagnetic radiation and its impacts, the Ministry of Science and Technology officially promulgated QCVN 9:2012/BKHCN on April 12, 2012. This National Technical Regulation establishes the mandatory technical and management framework for controlling electromagnetic interference emissions. Under this regulation, EMC Testing for Air Conditioners is a critical requirement, ensuring that household electrical and electronic appliances operate within safe emission limits to maintain overall electromagnetic compatibility.

3. Technical requirements for Air conditioners?

a. Single-unit Air conditioners (Cooling only)

Limits for disturbance voltage at load terminals and additional terminals;
Limits for disturbance voltage at the mains terminals;
Limits for disturbance power (30-300MHz);
Limits for discontinuous disturbance.

b. Two-way Air conditioners (Heating and Cooling)

Limits for disturbance voltage at load terminals and additional terminals;
Limits for disturbance voltage at the mains terminals;
Limits for disturbance power (30-300MHz);
Limits for discontinuous disturbance.

Testing standards and mandatory application timeline of QCVN 9 for Air conditioner products?

Testing Standard: TCVN 7492-1 (CISPR 14-1);
Mandatory Application Date: June 1, 2014.

4. Costs and time for Electromagnetic Compatibility (EMC) testing for air conditioners according to QCVN 9:2012/BKHCN

The costs and time for EMC Testing for Air Conditioners according to QCVN 9:2012/BKHCN are publicly listed by Phuc Gia. Customers can view the testing quotations for household and office products at the Testing and Certification Quotation section or contact Phuc Gia for detailed consultation.

5. Where to test Air Conditioners?

The Directorate for Standards, Metrology and Quality (STAMEQ) – Ministry of Science and Technology has granted the Certificate of Registration for Electromagnetic Compatibility (EMC) testing activities for household electrical and electronic products and similar purposes according to QCVN 9:2012/BKHCN and Amendment 1:2018 QCVN 9:2012/BKHCN to Phuc Gia Laboratory. The detailed list of products is specified in the appendix attached to Certificate No. 2242/TĐC-HCHQ dated July 16, 2021.

Accordingly, from July 16, 2021, Phuc Gia Laboratory is officially authorized to perform Electromagnetic Compatibility (EMC) testing for household electrical and electronic products and similar purposes according to QCVN 9:2012/BKHCN and Amendment 1:2018 QCVN 9:2012/BKHCN for products such as: Electric motor-operated hand-held drills, Vacuum cleaners, Washing machines, Refrigerators, freezers, Air conditioners, Hair dryers, Blenders, meat grinders, fruit juicers, egg beaters, and Electric hobs (including induction hobs).

Phuc Gia Laboratory is honored to serve our Customers in the field of Electromagnetic Compatibility testing – QCVN 9:2012/BKHCN!

The Electromagnetic Compatibility Laboratory – Phuc Gia Laboratory – Vilas 1212 is a testing facility evaluated and certified by the Directorate for Standards, Metrology and Quality – Ministry of Science and Technology for the Registration of Electromagnetic Compatibility (EMC) testing activities for household electrical and electronic products and similar purposes under QCVN 9:2012/BKHCN and Amendment 1:2018 QCVN 9:2012/BKHCN.

EMC_Bep — The Electromagnetic Compatibility Laboratory – Phuc Gia Laboratory is equipped with modern facilities.

6. Notes on Electromagnetic Compatibility (EMC) for Air Conditioners according to QCVN 9?

a. Required number of samples: 01 sample.

b. After testing: The laboratory will return the sample to the customer.

Note: The power cord of the sample may be cut to be connected to the absorbing clamp system for the Disturbance Power test.

c. Testing costs: The costs for Electromagnetic Compatibility testing are publicly listed by Phuc Gia Laboratory in the following post: Phuc Gia Lab Testing Quotation.

7. Sample EMC Test Report for Air Conditioners

For businesses looking to reference a sample Test Report for Electromagnetic Compatibility (EMC) under QCVN 9:2012/BKHCN and Amendment 1:2018 QCVN 9:2012/BKHCN, please visit the link below:

Sample Test Report for: Air conditioners

In conclusion, adhering to the structured EMC Testing for Air Conditioners in Vietnam is the final and most critical step for ensuring product legality under QCVN 9:2012/BKHCN. Successfully completing the EMC Testing for Air Conditioners in Vietnam provides the technical foundation for a valid Declaration of conformity required by the Ministry of Science and Technology (MOST). By prioritizing professional EMC Testing for Air Conditioners in Vietnam at an accredited Testing laboratory, manufacturers can guarantee their units achieve full Technical regulation Compliance regarding electromagnetic disturbances.

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