WattNoteWATTNOTE
Understand what your home costs
Start with a question. Save your appliance on this device without signing in.
My Home
Latest actual bill—
Difference from prior calendar month—
Estimated monthly electricity cost—
Estimated annual electricity cost—
Recorded purchase, installation and care costs—
Blank amounts are unknown. Totals may include only part of the costs.
Annual energy divided by 12. Not a forecast of this month’s bill; seasonal differences are not modeled.
Modeled appliance energy cost ranking
Appliance details
Recorded purchase, installation and care costs
Estimated annual electricity cost
Blank amounts are unknown. Totals may include only part of the costs.
Care schedule
Import the file into your own calendar. This site does not send alerts. Repeating tasks get a new date when marked done.
Care expense
Upcoming care tasks
Guides
Air conditioner costs: seasons and installationRefrigerator replacement: compare annual energyDryer costs: start with energy per cycleDehumidifier electricity cost calculator — hours and seasonsElectric blanket electricity cost calculator — daily and seasonalGaming PC electricity cost calculator — measured powerWashing machine cost per cycle calculatorDishwasher electricity cost per cycle calculatorSpace heater electricity cost calculatorAir purifier electricity and filter cost guide
Keep, repair or replace
Not a safety or fault diagnosis. Only costs from your quotes and assumptions are compared.