Energy & Home Calculators7 free tools to understand and manage your home's energy consumption, appliance running costs, and insulation material needs — from electricity cost to your refrigerator, air conditioner, water heater, and washing machine.
Calculate your expected electricity cost per day, month, and year from your kWh usage and price.
Add up the electricity usage and cost of every appliance in your home.
Estimate the running cost of an air conditioner you already own, by wattage or BTU + efficiency.
Estimate a refrigerator's electricity cost from its wattage and duty cycle, or its energy label.
Estimate an electric water heater's cost per use, simply or with a physics-based heating mode.
Estimate the cost per cycle, week, month, and year of running a washing machine.
Estimate the area, volume, and units of insulation needed for a wall, roof, or whole room.