EPA released a new version of the energy star ceiling fan specification version 4.0 on June 15, 2018 entered into force
2017-10-24 16:03:17
September 28, 2017, EPA (US Environmental Protection Agency) released a new version of the energy star ceiling fan specifications (version 4.0), to replace the current version (version 3.1). The new version of the effective date of June 15, 2018, since September 28, 2017, manufacturers can choose to follow the new version of the license, you can choose to follow the old version of the license, but since March 1, 2018 only According to the new version of the license.
