Home Energy

Estimate annual heating and cooling bill savings, monthly savings, net project cost, and simple payback for air sealing.

Estimate crawl space insulation area, material to buy, and total cost with waste, rim joist, and ground cover add-ons.

Calculate wall insulation packages from wall area, openings, package coverage, extra material, and cavity depth.

Estimate added attic insulation R-value, depth, whole loose-fill bags, and optional bag material cost for a vented attic floor.

Estimate first-year insulation savings, payback time, ROI, and net savings from R-value changes, project cost, and bill assumptions.

Estimate smart thermostat yearly savings, payback months, first-year net, and multi-year net using your bill, cost, rebate, and savings percent.

Estimate AC electricity savings, yearly bill savings, payback time, and a savings range from SEER or SEER2 ratings.

Estimate yearly heat pump savings, kWh use, payback, and break-even COP or electric price from your fuel bills.

Compare monthly gas and electric heating costs, including heat pump COP, furnace efficiency, and break-even prices.

Compare heat pump and gas furnace yearly heating costs, break-even COP, HSPF2, energy use, and payback from your rates.