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Interpretation of the North American Energy Efficiency Star 3.0 Standard Update for Air Purifiers
Time：
2025-05-06
The US Environmental Protection Agency has officially released the final version of the Energy Star 3.0 standard for air purifiers. This update not only raises the energy efficiency requirements for air purifier products, but also makes significant updates to the DOE regulations for air purifiers.
Service background
In recent years, with the increasing global attention to air quality, air purifiers have become a standard equipment for more and more households. Energy Star, as a government energy conservation program jointly implemented by the US Department of Energy (DOE) and the US Environmental Protection Agency (EPA), has always been a focus of attention for air purifier brands. On January 6, 2025, the EPA officially released the final version of the Energy Star 3.0 standard for air purifier energy efficiency. This update not only raised the energy efficiency requirements for air purifier products, but also made significant updates to the DOE regulations for air purifiers.
Important time nodes
1. The new standard will officially come into effect on January 6, 2025, and customers can choose Energy Star 3.0 certification on their own.
2. Starting from May 23, 2025, all Energy Star certification agencies will no longer accept product certification submissions based on version 2.0.
3. Starting from October 9, 2025, all air purifiers manufactured must meet the 3.0 version requirements in order to be labeled with the Energy Star logo, and all 2.0 version product certifications are considered invalid.
This series of time nodes not only clarifies the transition period arrangement between the new and old standards, but also forces enterprises to quickly adjust their product design and production strategies to meet the higher requirements of the new standards.
Comparison of old and new standards -2.0 vs 3.0
The main changes are as follows:
■ Upgrading testing indicators
The new version 3.0 will shift the energy efficiency standard from Smoke CADR/W (Clean Air Delivery Rate per Watt) to PM2.5 CADR/W and the Integrated Energy Factor (IEF) index referenced in DOE regulatory testing procedures
Certification indicator: Energy Star 3.0 specification
■ Increase in the number of tests
For the requirement of product testing quantity, in order to comply with DOE regulations, the 3.0 version of the standard has added the option of testing multiple units. Customers can choose to test one or at least two units themselves.
■ Cancel standby power limit
Due to the integration of CADR and power performance in IEF, the new version 3.0 eliminates the requirement for the standby power limit of air purifiers
Overall, compared to 2.0, Energy Star 3.0 has stricter energy efficiency requirements for air purifiers, and Energy Star 3.0 certification will further enhance the brand value of air purifiers.
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