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Energy Saving Calculator
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Calculate energy and cost savings from switching to LED bulbs, efficient appliances, or better habits.
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An Energy Saving Calculator that quantifies the financial and environmental benefits of energy-efficient upgrades — from switching to LED bulbs to raising the AC temperature. Includes preset scenarios and a custom appliance mode.
How to Use Energy Saving Calculator
Select a savings scenario (e.g. LED bulbs, AC adjustment) or choose Custom to enter your own appliance wattages. Set your electricity rate and number of units. Click Calculate to see daily savings, annual savings, and CO₂ avoided.
Features
- ✓ 7 preset scenarios
- ✓ Custom appliance mode
- ✓ Daily and annual financial savings
- ✓ CO₂ avoided per year
- ✓ Quantity multiplier for multiple units
Use Cases
- → Evaluating home energy upgrades
- → Business energy efficiency projects
- → Environmental impact of appliance choices
- → Electricity bill reduction planning
Frequently Asked Questions
Replacing a 60W incandescent bulb with a 10W LED saves 50W per hour. With 5 hours/day use, that is 91.25 kWh per year — about $13/year per bulb at $0.15/kWh.
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