Home Energy Audit Calculator
Evaluate your home's energy efficiency and find potential savings from upgrades like better windows and insulation.
Inputs
Results
Annual Energy Cost
$2,760.00
≈ 21 pairs of sneakers
How to Use This Calculator
- Enter your home's square footage and the number of occupants.
- Input your average monthly electricity (kWh) and natural gas (therms) usage.
- Select your climate zone and primary heating/cooling system type.
- Review the estimated energy use intensity and comparison to similar homes.
- Use the audit results to prioritize upgrades: insulation, HVAC, and air sealing typically offer the best payback.
How the result changes with Monthly Electric Bill
| Monthly Electric Bill | Annual Energy Cost |
|---|---|
| $100.00 | $2,160.00 |
| $350.00 | $5,160.00 |
| $650.00 | $8,760.00 |
| $900.00 | $11,760.00 |
What each input means
- Monthly Electric Bill
- Average monthly electricity cost from your utility bill
- Monthly Gas Bill
- Average monthly natural gas cost — enter 0 if all-electric home
- Home Size
- Total heated and cooled living area of your home in square feet
- Home Age
- How old your home is — older homes tend to be less energy efficient
- Windows
- Type of window glass installed — more panes means better insulation
- Insulation
- Overall quality of your home's wall and attic insulation
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersMonthly Electric Bill = 150, Monthly Gas Bill = 80, Home Size = 2000, Home Age = 25 = 6 input(s) provided
- Calculate Annual Energy CostAnnual Energy Cost2760 = $2,760
- Calculate Cost Per Sq FtCost Per Sq Ft1.38 = $1.38
- Calculate Efficiency RatingGood = Good
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