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Home Energy Efficiency Calculator

Score your home's energy efficiency based on its size, age, insulation, heating system, and climate zone. Use this audit tool to identify inefficiencies and estimate annual energy costs before calling a professional auditor.

Home Size (sq ft)

Home Age Category

Insulation Level

Primary Heating

Climate Zone

Fill in the required fields to see your result.

Climate

Energy Efficiency Upgrade ROI Calculator

Estimate how quickly your energy efficiency upgrade pays for itself. Enter your current energy bill, upgrade cost, rebates, and energy inflation to get a projected ROI over your chosen analysis period.

Current Monthly Energy Bill ($)

Upgrade Category

Total Upgrade Cost ($)

Utility Rebates ($)

Annual Energy Cost Increase (%)

Analysis Period (years)

Fill in the required fields to see your result.

Key differences

	Home Energy Efficiency Calculator	Energy Efficiency Upgrade ROI Calculator
Category	Climate	Climate
Inputs required	5	6
Result	Estimated Annual Energy Cost ($)	Simple Payback Period (years)
What it does	Score your home's energy efficiency based on its size, age, insulation, heating system, and climate zone. Use this audit tool to identify inefficiencies and estimate annual energy costs before calling a professional auditor.	Estimate how quickly your energy efficiency upgrade pays for itself. Enter your current energy bill, upgrade cost, rebates, and energy inflation to get a projected ROI over your chosen analysis period.