Welcome to the Energy Usage Predictor! This interactive web app helps you estimate your household's monthly energy consumption based on factors like home size, number of occupants, and appliance usage. Built with HTML, CSS, and JavaScript, it provides personalized insights, visual comparisons, and practical energy-saving tips—all in a clean, modern interface. Whether you're looking to reduce costs or minimize your environmental impact, this tool makes energy awareness simple and actionable.

How does it work? Just enter your details, click "Calculate," and instantly see your predicted energy usage compared to similar homes. The dynamic chart visualizes your data, while the tips section offers easy ways to improve efficiency. Plus, with dark/light mode and mobile-friendly design, you can use it anytime, anywhere. Start exploring your energy footprint today!

You may also check this simple HTML, CSS and JavaScript project:

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• Shoe Size Converter

Key Features:

✅ Energy Consumption Prediction – Estimates monthly energy usage (kWh) based on home size, occupants, and appliances.
✅ Comparison Metrics – Compares your predicted usage with similar and energy-efficient homes.
✅ Interactive Chart Visualization – Displays data in an easy-to-understand bar chart using Chart.js.
✅ Energy-Saving Tips – Provides practical recommendations to reduce energy consumption.
✅ Prediction History – Keeps track of previous calculations for reference.
✅ Dark/Light Mode Toggle – User-friendly theme switching for better readability.
✅ Responsive Design – Works seamlessly on both desktop and mobile devices.

Technologies Used:

• HTML5 – Structure and layout of the web app.

• CSS3 – Styling with modern design elements (flexbox, grid, variables).

• JavaScript (ES6+) – Dynamic calculations, form handling, and interactivity.

• Chart.js – Data visualization for energy comparisons.

• Font Awesome – Icons for better UI/UX.

• Google Fonts (Inter) – Clean, readable typography.

How to Use:

1. Enter Your Details

   • Fill in your home size (sq ft), number of occupants, region, and heating/cooling types.

   • Select any major appliances you use.

2. Calculate Your Energy Usage

   • Click the "Calculate" button to generate your predicted energy consumption.

3. View Results & Comparisons

   • See your estimated monthly kWh usage.

   • Compare your prediction with similar homes and energy-efficient homes.

   • Check the interactive chart for a visual breakdown.

4. Explore Energy-Saving Tips

   • Scroll down for actionable tips to reduce energy waste.

5. Toggle Dark Mode (Optional)

   • Click the moon/sun icon in the top-right corner to switch themes.

6. Reset or Try Again

   • Use the "Reset" button to clear inputs and start a new calculation.

Sample Screenshots of the Project

Landing Page

Sample Predictor (Dark Mode

Footer

How to Run?

• Download the provided source code zip file.
• Extract the downloaded zip file.
• Open the html file and you are now ready to go!

Video Demonstration for Installation/Setup:

Conclusion:

In conclusion, the Energy Usage Predictor empowers users to make smarter energy decisions through an intuitive, data-driven approach—combining accurate estimates with actionable insights to help reduce both costs and environmental impact. By visualizing consumption patterns and offering personalized recommendations, this tool bridges the gap between awareness and action, putting the power of energy efficiency right at your fingertips.

That's it! I hope this "Energy Usage Predictor Using HTML, CSS and JavaScript" will assist you on your  programming journey, providing value to your current and upcoming projects.

For additional tutorials and free source codes, explore our website.

Enjoy Coding :>>