Welcome To The 4E Publications Area

Domestic Air Conditioner Test Standards and Harmonization

This report is a comparative review of test procedures and efficiency metrics for room air conditioners across six countries, as well as the ISO standard. The findings of this report are intended to inform the efforts of policy makers to evaluate where greater consistency between test methods and metrics may be beneficial.


Policy Brief – Wireless Charging Energy Use

This briefing summarises the key findings of the EDNA report Global Forecast of Energy Use for Wireless Charging, which estimates the additional global energy that would be consumed if wireless charging is adopted for a wide range of small consumer devices