Home Energy

Compare monobloc and split air-to-water heat pump quotes by upfront price, annual electricity cost, lifetime cost, and break-even year.

Estimate electric sauna heater kW, adjusted room volume, planning amps, and compare a chosen heater manual’s circuit requirements.

Estimate graywater supply, landscape and soil limits, annual utility savings, and simple payback using US bill rates in $/CCF.

Estimate cash-only and risk-adjusted payback for a whole-house leak detector using installed cost, bills, insurance, recurring costs, and risk.

Compare desiccant and compressor dehumidifier purchase, electricity, maintenance, lifetime cost, and break-even time.

Compare unducted, exhaust-only, and fully ducted heat pump water heater costs, including yearly HVAC effects and duct quotes.

Compare vinyl, fiberglass, and wood window quotes over your ownership period, including replacements and optional wood maintenance.

Compare inside and outside solid-wall insulation quotes, incentives, bill savings, payback, and discounted lifetime costs.

Compare air-to-air and air-to-water heat pump quotes, electricity costs, lifetime costs, and simple payback over your planning period.

Compare condensing and non-condensing gas tankless water heater costs using quotes, UEF, gas rates, hot-water use, and ownership years.