Sam Gorman

Estimate water heater recovery time, gallons per hour, first-hour hot water, and heat needed for a full tank or one hot-water draw.

Estimate tankless Btu/hr and kW, first hour rating, flow, tank bucket, and cold-water sensitivity for a home water heater.

Estimate smart plug payback time, yearly bill savings, and plug power cost from standby watts, hours off, rate, count, and price.

Estimate gas meter removal payback from removal cost, avoided fixed gas charges, added electric charges, and reconnection cost.

Estimate net cost, bill savings, payback time, and selected-years net savings for a home electrification plan.

Compare home energy use across years after adjusting bills for HDD and CDD weather differences.

Calculate kWh used between meter readings and estimate the bill with rate, days, rollover, multiplier, charges, and adjustments.

Compare old and new electric rates, fixed charges, fees, and taxes to estimate your monthly bill increase and percent change.

Compare fixed and variable electricity plans over 12 months using kWh use, fees, and monthly variable rates.

Estimate a tiered electric bill from kWh use, tier rates, fixed charges, fees, credits, and tax.