Guides

• How ApplianceCostFinder Calculates Running Cost — The exact ENERGY STAR and EIA datasets behind every model's cost figure, and where the model is honest about its own limits.
• Why the Same Appliance Costs More to Run in Some States — Residential electricity ranges from about 12.19¢/kWh to 45.95¢/kWh across the US. Here's what that spread actually does to an appliance's running cost.
• Is Your Old Appliance Worth Replacing? The Actual Math — Weighing an old appliance's running cost against a new one's price is a real calculation, not a gut call. Here's how to do it with real numbers.