Smart Thermostat Savings Calculator
Estimate annual energy savings, payback period, and long-term ROI from upgrading to a smart thermostat.
Inputs
$
$
months
months
Results
Annual Savings
$186
Average Monthly Savings$15.5
Payback Period13 months
Energy Cost Reduction20.2%
5-Year Net Savings$730
How to Use This Calculator
- Enter your Monthly Heating Cost and Monthly Cooling Cost from recent utility bills.
- Select your Current Thermostat Type — older manual thermostats show the greatest savings potential.
- Enter Heating Months and Cooling Months per year for your climate to annualize the savings calculation.
- Review Annual Savings and Monthly Savings to see the typical 10–23% reduction a smart thermostat delivers.
- Check Percent Reduction to compare against EPA ENERGY STAR estimates for your thermostat model.
- Use Five Year Savings to compare the cumulative return against the device purchase price and installation cost.
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