*[https://www.energystar.gov/products? Energy Star Product finder]
*[https://www.energystar.gov/products? Energy Star Product finder]
*[https://ec.europa.eu/info/energy-climate-change-environment/standards-tools-and-labels/products-labelling-rules-and-requirements/energy-label-and-ecodesign/energy-efficient-products_en European Union energy efficient product information]
*[https://ec.europa.eu/info/energy-climate-change-environment/standards-tools-and-labels/products-labelling-rules-and-requirements/energy-label-and-ecodesign/energy-efficient-products_en European Union energy efficient product information]
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*For AC appliances, the internet and markets can be scoured for efficient There are various different agencies that perform product testing and evaluation.
