Energy Savings Calculator
Calculate potential energy and cost savings from efficiency improvements. Determine savings from appliance upgrades, insulation improvements, and energy-efficient practices.
Step 1: Current Energy Usage
Energy Savings Formula
Annual Savings = Monthly Bill × 12 × Efficiency Improvement %
Payback Period = Upgrade Cost ÷ Annual Savings
Step 2: Efficiency Improvements
Typical Energy Savings
LED Lighting: 10-15% savings
Energy Star Appliances: 10-20% savings
Improved Insulation: 15-30% savings
Smart Thermostat: 10-15% savings
Energy Savings Results
Annual Energy Savings
Improvement Type Comparison
| Improvement Type | Typical Cost | Annual Savings | Payback Period |
|---|
Energy Savings Formula
Annual Savings = Monthly Energy Bill × 12 × Efficiency Improvement %
Where:
• Monthly Energy Bill = Current monthly energy cost
• Efficiency Improvement % = Estimated reduction in energy use
• Payback Period = Upgrade Cost ÷ Annual Savings
Additional factors:
• Climate affects heating/cooling needs
• Home size impacts total energy consumption
• Regional energy prices vary savings value
Example Calculation
Example: LED Lighting Upgrade
Monthly Bill: $150
Efficiency Improvement: 12%
Upgrade Cost: $800
Calculation:
Annual Savings = $150 × 12 × 0.12 =
$1800 × 0.12 = $216 per year
Payback Period:
$800 ÷ $216 = 3.7 years
Over 10 years:
Total Savings = $216 × 10 = $2,160
Net Gain = $2,160 – $800 = $1,360
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