# 💡How to add energy efficiency classes in products?🤔

Use the **energy efficiency class** attribute to tell customers how your **product rates** on a given **energy efficiency range**. When using this attribute, you will also need to set a **minimum energy efficiency class value** and a **maximum energy efficiency class value.** [**Learn more**](https://support.google.com/merchants/answer/7562785)

To add **energy efficiency class** of product through Wixpa feed follow these steps, \
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Click on **View → Edit →** scroll down to **See Additional Product Data** \
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In the **'Additional Details'** section, you'll see the **‘Energy Efficiency Class’** Add the energy efficiency according to your **preferences,** as I’ve done here.<br>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXccT2iOhZAWE4lalFT6AQg-aHn2X-1A70MxAaFQyi8HcfE4hwoTkDnAAuQ6Rah5td0QrLBgMs979scuTHGkjgUwOWa2qk2I-frinYkWUKHaWC5WsxlNpnLHN6CIMIBQ3UKZCKGWhhICk_V-B8f4Ex2Z9G1Y?key=k9heDR9hpJMnQ0GrGcLQvg" alt=""><figcaption></figcaption></figure>

Then click **'Save,'** and you can view these changes in **GMC** by opening the product. You can also add **Energy Efficiency Class** at the **individual product level** or for **multiple products through bulk edit.**

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