Home Energy

Estimate electric oven cost per use, month, and year from watts, cook time, warm-up time, electricity price, and weekly use.

Estimate dishwasher cost per run, month, and year from EnergyGuide or cycle kWh, electricity rates, and optional water costs.

Estimate electric dryer cost per load, month, and year using energy per load or dryer power, cycle time, weekly loads, and electricity rate.

Estimate daily, monthly, and annual pool pump electricity cost from watts, runtime, operating days, and your electric rate.

Estimate a low-to-high installed cost for a tankless water heater using your heater, labor, and extra-work estimates.

Estimate yearly, monthly, daily, bill-period, long-term, therm, and CO2 costs for a natural gas water heater.

Estimate electric water heater kWh, monthly cost, yearly cost, and savings from a higher UEF model.

Estimate water heater cost per day, month, and year from hot water use, temperatures, heater type, and local energy price.

Calculate ACH50 from blower-door CFM50 and conditioned volume, with a rough normal-condition planning range.

Calculate ACH50 from a blower-door CFM50 reading and conditioned volume, or estimate volume from floor area and ceiling height.