"# TheHomePicker Appliance Running-Cost Dataset (2026). Free to use with attribution + link: https://thehomepicker.com/ . Basis: wattage x hours x U.S. avg residential rate ~17 cents/kWh (EIA). Estimates, not measured."
Appliance,Typical wattage (W),Assumed use,Est. kWh/year,Est. cost/month (USD),Est. cost/year (USD)
Space heater,1500,8 hrs/day (heating season),4380,61,745
Window air conditioner,1200,8 hrs/day (cooling season),3504,49,596
Dehumidifier,500,12 hrs/day,2190,31,372
Air purifier,50,24 hrs/day,438,6,74
Air fryer,1500,30 min/day,274,4,47
Coffee maker,1000,30 min/day,183,3,31
Microwave,1000,15 min/day,91,1,16
Robot vacuum,40,~2 hrs/day (charging),29,0.41,5