Home Energy

Compare home distiller and bottled water costs, package price per gallon, replacements, and break-even month.

Compare electric and propane patio heater purchase, energy, setup, and service costs over your planned ownership period.

Estimate roof runoff, tank size, seasonal shortages, annual bill savings, and simple payback for a rainwater harvesting system.

Estimate shower valve water, sewer, and water-heating savings, plus installed-cost simple payback using your local utility rates.

Compare robotic and suction pool cleaner ownership costs, added pump electricity, annual costs, and break-even time.

Estimate household booster pump pressure, head, power use, and monthly or yearly electricity cost from your water and utility inputs.

Compare whole-house and under-sink water filter costs, replacement schedules, lifetime totals, yearly costs, and the cost gap.

Estimate slab-edge insulation heating savings, simple payback, and the installed-cost limit for your payback goal.

Compare heat battery and storage-tank water heater lifetime costs, energy costs, replacements, and usable hot-water delivery.

Estimate annual fuel waste and variable fuel cost from boiler short cycling using your fuel bills and before-and-after loss assumptions.