Sources
Sources and assumptions
This site uses official public references for broad energy-label, appliance-energy, and outage food-safety concepts. Calculators are driven by user-entered assumptions.
Official public references
- DOE appliance energy formula
- FTC EnergyGuide labels
- FTC EnergyGuide manufacturer FAQ
- ENERGY STAR product categories
- FoodSafety.gov outage chart
- FDA power outage food safety
How calculator examples work
Default values inside calculators are examples only. They are not quotes, national averages, local prices, appliance-specific promises, or savings guarantees. Replace them with numbers from your own bill, quote, appliance label, manual, receipt, warranty document, or professional conversation where possible.