Energy Efficiency Calculator
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f8f9fa;
color: #333;
line-height: 1.6;
margin: 0;
padding: 20px;
}
.loan-calc-container {
max-width: 800px;
margin: 20px auto;
background-color: #ffffff;
padding: 30px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
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h1, h2 {
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text-align: center;
margin-bottom: 20px;
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.input-group input[type="number"],
.input-group input[type="text"] {
width: calc(100% – 22px); /* Adjust for padding and border */
padding: 10px;
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font-size: 1rem;
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width: 100%;
padding: 12px 20px;
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color: white;
border: none;
border-radius: 5px;
font-size: 1.1rem;
cursor: pointer;
transition: background-color 0.3s ease;
margin-top: 20px;
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button:hover {
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#result {
margin-top: 30px;
padding: 20px;
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text-align: center;
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color: #28a745;
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margin-bottom: 15px;
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background-color: #e9ecef;
padding: 2px 5px;
border-radius: 3px;
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@media (max-width: 600px) {
.loan-calc-container {
padding: 20px;
}
h1 {
font-size: 1.8rem;
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button {
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}
Energy Efficiency Calculator
Annual Energy Consumption (kWh):
Cost Per kWh ($):
Potential Annual Savings (%):
Calculate Savings
Estimated Annual Savings
—
Understanding Energy Efficiency and Your Savings
This calculator helps you estimate the potential annual financial savings achievable through improved energy efficiency measures in your home or business. By understanding your current energy consumption and the cost associated with it, you can quantify the benefits of adopting more efficient practices or technologies.
How the Calculation Works
The calculator uses a straightforward formula to project your potential savings:
Annual Energy Cost: First, we calculate your total annual expenditure on energy. This is done by multiplying your Annual Energy Consumption (kWh) by the Cost Per kWh ($).
Annual Energy Cost = Annual Energy Consumption × Cost Per kWh
Estimated Annual Savings: Next, we determine the financial savings based on the estimated percentage of improvement. This is calculated by taking the Annual Energy Cost and multiplying it by the Potential Annual Savings (%).
Estimated Annual Savings = Annual Energy Cost × (Potential Annual Savings / 100)
Example Calculation
Let's consider a household that consumes 12,000 kWh of energy annually, with each kWh costing $0.15 . They implement energy-efficient upgrades, such as LED lighting, better insulation, and smart thermostats, expecting to achieve a 20% reduction in energy use and costs.
Step 1: Calculate Annual Energy Cost
Annual Energy Cost = 12,000 kWh × $0.15/kWh = $1,800
Step 2: Calculate Estimated Annual Savings
Estimated Annual Savings = $1,800 × (20 / 100) = $360
In this scenario, the household could potentially save $360 per year through their energy efficiency efforts.
Why Energy Efficiency Matters
Improving energy efficiency offers numerous benefits beyond just cost savings:
Environmental Impact: Reduced energy consumption leads to lower greenhouse gas emissions, contributing to a healthier planet.
Increased Comfort: Many efficiency upgrades, like improved insulation, also enhance indoor comfort by maintaining stable temperatures.
Property Value: Energy-efficient homes can be more attractive to buyers and may command higher property values.
Energy Independence: Reducing overall demand can contribute to greater energy security.
Use this calculator to explore the financial potential of your own energy efficiency initiatives and motivate further action.
function calculateEfficiencySavings() {
var annualEnergyConsumption = parseFloat(document.getElementById("annualEnergyConsumption").value);
var energyCostPerKwh = parseFloat(document.getElementById("energyCostPerKwh").value);
var potentialSavingsPercentage = parseFloat(document.getElementById("potentialSavingsPercentage").value);
var resultValueElement = document.getElementById("result-value");
resultValueElement.style.color = "#28a745"; // Default to success green
// Input validation
if (isNaN(annualEnergyConsumption) || annualEnergyConsumption < 0) {
resultValueElement.textContent = "Invalid Input";
resultValueElement.style.color = "red";
return;
}
if (isNaN(energyCostPerKwh) || energyCostPerKwh < 0) {
resultValueElement.textContent = "Invalid Input";
resultValueElement.style.color = "red";
return;
}
if (isNaN(potentialSavingsPercentage) || potentialSavingsPercentage 100) {
resultValueElement.textContent = "Invalid Percentage";
resultValueElement.style.color = "red";
return;
}
var annualEnergyCost = annualEnergyConsumption * energyCostPerKwh;
var estimatedAnnualSavings = annualEnergyCost * (potentialSavingsPercentage / 100);
resultValueElement.textContent = "$" + estimatedAnnualSavings.toFixed(2);
}