Timer Savings Calculator
Calculate how much you can save by turning off your water heater during peak rates.
Table of Contents
Settings
Annual Savings
Timer Investment Payback
A simple $50 electronic water heater timer pays for itself in 0 months!
Timer Savings Calculation
A mechanical or smart timer shuts off power to electric heater elements during predictable vacant or sleeping hours, saving standby energy costs at the price of brief recovery reheats.
Formula Used
Annual Savings = Standby Standby Power * Off-Hours Daily Fraction * 365 * Rate
Reference Quick Chart
| Daily Scheduled Off-Time | Avg. Daily Standby Saved | Projected Annual Cost Savings |
|---|---|---|
| 8 Hours (Night-time sleep) | 1.5 - 2.5 kWh | $10 - $25 / Year |
| 16 Hours (Sleep + Workday away) | 3.0 - 4.5 kWh | $30 - $60 / Year |
| Smart Schedule Optimized | Varies dynamically | Up to $75 / Year (utility peak rate) |
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