Sam Gorman

Estimate cooling-season savings from using a ceiling fan while raising your AC thermostat, with daily energy and cost details.

Compare whole house fan and AC electricity costs using watts, replaced AC hours, season days, and $ per kWh.

Compare window AC and central air costs over years, including first cost, running cost, total cost, and break-even time.

Estimate yearly pool pump electricity savings with flat or peak/off-peak rates, pump watts, run time, and season days.

Estimate heat pump dryer bill savings, rebate-adjusted payback, extra price after rebates, kWh saved, and CO2 avoided.

Estimate a TOU electric bill from custom kWh periods, rates, fixed charges, demand charges, fees, and tax percent.

Estimate duct sealing savings, payback time, 10-year net savings, and CFM25 leakage percent from HVAC cost and test data.

Estimate first-year heating savings, 10-year savings, and simple payback from window area, U-factors, degree days, fuel price, and cost.

Compare mini-split vs central air installed costs, yearly cooling bills, and total cost over your chosen years.

Compare tank and tankless installed cost, energy cost, yearly savings, payback time, and total cost over your chosen years.