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- Electric indoor air purifiers are devices that employ HEPA, carbon and several other technologies, to filter indoor air to remove pollutants such as PM2.5, VOCs and allergens.
- They’re useful for ensuring healthy indoor air quality at home or at the office in polluted Indian cities.
- The BIS certification under the IS 17531:2021 means that air purifiers meet the Indian requirements for filtration, safety and ozone emissions.
- Only purifiers with the ISI mark have been tested for relative performance factors in a real-world environment including CADR (Clean Air Delivery Rate).
- If you choose a certified purifier, you are protecting the health of your family and ensuring reliability of the product in Indian conditions.
Introduction
Mr. Sharma’s eight‑year‑old daughter was waking up with blocked nose and itchy throat every morning in Delhi. Despite regular cleaning, indoor air remained dusty. He’d read about smog, mold, and VOCs but didn’t know which appliance could help. After installing a BIS‑certified electric indoor air purifier, his daughter’s health improved noticeably within weeks. That real‑world scenario illustrates why Indian buyers need clarity on models that deliver both performance and safety.
What Are Electric Indoor Air Purifiers and Why You Need?
Electric indoor air purifiers are small appliances that rely on electric powered fans and filter media to remove particulates (PM2.5/PM10), allergens, odors, gases, and microorganisms. In polluted Indian cities, there is more than enough evidence that levels of particulates can be above outdoor levels in some indoor environments—even if ventilation is quite good. Air purifiers are good devices to make indoor air breathable.
“Electric indoor air purifiers safeguard vulnerable lungs, trapping invisible pollutants before they affect health.”
Understanding BIS Certification & ISI Mark (IS 17531:2021)
What is BIS and IS 17531:2021?
The Bureau of Indian Standards (BIS) sets quality norms through standards. IS 17531:2021 details security, filtration efficiency, CADR testing, ozone emission limits, electrical safety and labelling for air purifiers sold in India.
Relevance to Electric Indoor Air Purifiers
A BIS‑certified purifier carries the ISI mark. That means its CADR rating is verified, power consumption measured, and ozone emissions within 50 ppb. Many imported units lack this mark and may underperform or pose safety risk.
“ISI mark under IS 17531:2021 ensures your electric indoor air purifier meets Indian safety and efficiency standards.”
Key Highlights of IS No. 17531:2021
The IS No. 17531:2021 standard outlines several key aspects that manufacturers need to comply with to receive BIS certificate for their electric indoor air purifiers. Here is a summary of the key highlights:
| Key Aspect | Details |
| Safety Requirements | The air purifiers must adhere to stringent safety protocols to prevent electrical hazards, fire risks, and other safety concerns. |
| Performance Criteria | The standard includes performance measures related to airflow, filtration efficiency, and energy consumption. |
| Noise Levels | Noise levels must be within a permissible range to ensure that the air purifiers are suitable for indoor environments without causing discomfort |
| Material Specifications | The materia ls used in the construction of the purifier must be durable and non-toxic, ensuring safety and longevity. |
| Energy Efficiency | Air purifiers must meet specific energy efficiency standards to minimize power consumption while providing effective air cleaning. |
| Environmental Considerations | The standard also considers the environmental impact of air purifiers, such as the use of non-toxic filters and recyclable components |
| Product Labeling | The products must be clearly labeled with their specifications, including power usage, capacity, and safety instructions. |
Importance of BIS Certification for Electric Indoor Air Purifiers
BIS certificate is an important mark of quality and safety that increases the reliability of an electrical air purifier in the building in the Indian market. This certification ensures that the product is in accordance with national standards in safety, efficiency, and environmental consideration. Which is necessary to protect consumers For manufacturers BIS certified is guaranteed that their products are in accordance with the rules. And build the confidence of consumers.
The BIS Certification Process for Electric Indoor Air Purifiers
The BIS certification process involves a series of steps that manufacturers must follow to obtain the certification for their products. Below is a breakdown of the steps involved:
- Review of Documentation: BIS will review the documentation provided by the manufacturer. This includes the technical specifications of the product, quality control processes, and testing reports.
- Application Submission: After review of Documentation for certification to the Bureau of Indian Standards (BIS). The application must include all necessary details about the product, including technical specifications, product testing, and company information.
- BIS Audit: BIS officials can inspect manufacturing facilities to ensure that production processes meet required quality control standards. Compliance with factory safety standards and proper use of raw materials will be monitored.
- Sample Testing: The air purifier must be tested in a detailed laboratory in the BIS to check compliance with the standard IS No. 17531: 2021. The test is related to the inspection of product safety, efficiency, and efficiency.
- Granting Certification: When products and factories meet BIS standards, they certify them. Then the manufacturer increased the number 1 for his product 17531:2021 and received permission to sell it in the Indian market.
Required Documents for BIS Certification
For manufacturers who will apply for a BIS certificate, they must send the following documents.
- Product technical description: Detailed description of the product, including terms and qualifications
- Test report: The performance in the laboratory that is consistent with BIS confirms that the air purifier is in accordance with the efficiency and safety standards.
- Factory registration: evidence of registration of the factory and compliance with the relevant industrial norms
- Quality control record: Documents show that manufacturers comply with strict quality control procedures during production.
- Announcement: The official statement from the manufacturer confirms that the consistent product is number 17531: 2021.
Testing Equipment for Electric Indoor Air Purifiers
Various testing tools are used during the certification process to ensure that the electric indoor air purifier meets the requirements of IS No. 17531. Some common testing tools include:
1. Ventilation test chamber: This chamber is used to measure the ventilation performance of the air purifier. This ensures that the purifier provides the designated air outlet to effectively clean the room.
2. Noise measuring device: This device measures the noise level produced by the air purifier during operation. The rectifier must comply with acceptable noise limits for indoor use.
3. Electrical safety testing equipment: There are various equipment that tests the electrical safety of equipment, such as insulation resistance tester, earth current tester, and dialectic energy tester. Energy efficiency test setup: Energy consumption. of the air purifier is measured using an energy analyzer to ensure it meets the required energy efficiency standards.
4. Filter Efficiency Test: Special equipment is used to evaluate the efficiency of the air purifier’s filtration system. These tests help ensure that the filter effectively removes particles and pollutants from the air.
5. Environmental Impact Testing: Environmental testing ensures that the materials used in the air purifier are environmentally friendly and that the product complies with regulations regarding the disposal and recycling of components.
Benefits of BIS Certification for Manufacturers
- Improved product reliability: BIS certification adds value by building product reliability. This assures customers that the air purifier has been tested for safety and efficiency.
- Market Access: BIS certification is often required for selling electrical products in India. Manufacturers may have difficulty entering the market.
- Competitive Advantage: Having BIS-certified products gives you a competitive advantage in the market. Consumers prefer certified products because they offer reliability and assurance of safety.
- Consumer confidence: BIS certification helps build consumer confidence in the product. With increasing awareness of air quality, consumers are more likely to choose certified air purifiers over non-certified air purifiers.
Conclusion
The growing awareness of indoor air quality has made electric indoor air purifiers an essential addition to homes and offices across India. IS Number Obtaining BIS certification for an air purifier is not just a matter of compliance. regulations only It’s also about providing customers with products they can trust. By adhering to these strict standards Manufacturers thus increase the reliability of their products.
For manufacturers, BIS certification is more than just a stamp of approval. Build consumer confidence and increase brand reputation With increasing concerns about air quality Consumers are therefore looking for products that are more efficient and reliable. Implementing the BIS certification process can be complex, but with the support of diligence certification, The manufacturer can guarantee a smooth and efficient journey. From guiding you through documentation and testing procedures to ensuring every regulatory requirement is met. Diligence Certification will help simplify the process.
FAQs
Q1: What is an electric indoor air purifier?
It’s a device that electrically draws in the air, filters particulates, VOCs, allergens, and sometimes pathogens, and exhausts cleaned air.
Q2: Why is BIS certification important?
BIS certificate under IS 17531 means tested CADR performance, safety standards, ozone control, facilitated energy consumption assessment.
Q3: Does the ISI mark guarantee good performance?
The ISI mark confirms adherence to Indian standards; however, consider the CADR values/ watt rating and the type of filter in the specifications.
Q4: How often should filters be replaced?
Most units require a HEPA and carbon filter change, every 6–12 months depending on levels of pollution and usage.
Q5: What volume of room should I target?
Choose a unit rated for the cubic volume of your room, hoping for >= 4 air changes/hour; aim for a CADR >= 300 m³/h for small rooms.
Q6: What tests are included under IS 17531:2021?
It covers CADR (Clean Air Delivery Rate), filter efficiency, ozone emission, electrical safety, and noise levels.
Q7: Does BIS certification guarantee better filtration?
Yes, it ensures that the purifier meets minimum tested standards for PM2.5 and PM10 removal under lab conditions.
Q8: What is the ozone emission limit under IS 17531:2021?
The standard limits ozone emissions to ≤ 50 ppb to prevent respiratory risks from ionisers or UV‑based purifiers.
Q9: Can imported air purifiers be BIS-certified?
Yes, but they must be tested and approved by BIS labs in India, and include ISI mark on the Indian variant.
Q10: Is it safe to buy a non-BIS air purifier?
It may work, but without BIS, there’s no verified proof of performance or safety for Indian users.
