Category: Energy use

Energy use, 7 min read
How Many Watts Does a Freezer Use? Chest vs Upright
A chest freezer draws 60 to 150 watts while running and an upright 100 to 250 watts, yet certified models use only about 215 to 395 kWh a year. Here is what that costs and how to keep one cold through an outage.

Energy use, 7 min read
How Many Watts Does a Washing Machine Use?
Most washing machines draw 100 to 500 watts while washing, but hot water is where most of the energy goes. See kWh per load, running cost and the inverter size a washer needs.

Energy use, 7 min read
How Many Watts Does an Electric Water Heater Use?
A standard electric water heater draws 4,500 W while heating, but daily use depends on gallons heated. Here is kWh per day by household, cost, breaker size and what a heat pump model saves.

Energy use, 7 min read
How Many Watts Does a Clothes Dryer Use?
Most electric dryers pull 5,000 to 5,600 watts while heating but use 2 to 4 kWh a load. Amps and breaker size, cost per load at 2026 rates, and what changes with 208 V, heat pump and gas models.

Energy use, 7 min read
How Many Watts Does a Space Heater Use?
Most plug-in space heaters draw 1,500 watts on high and 600 to 900 watts on low. Real model specs, amps, monthly cost at 2026 rates and what it takes to run one on a battery.

Energy use, 7 min read
How Many Watts Does a Window AC Use?
Most window air conditioners draw 450 to 1,500 watts. Real model specs, amps, circuit limits, running cost and what it takes to run one on a battery or solar.

Energy use, 6 min read
How Many Watts Does a Microwave Use?
A microwave usually draws 1,000 to 1,800 watts from the outlet, well above the cooking power on the label. Here are amps, circuit rules, running cost and inverter sizing.

Energy use, 6 min read
How Many Watts Does a TV Use? Measured Data by Screen Size
Measured ENERGY STAR data shows a 55 inch LED TV uses about 84 W and a 65 inch about 116 W. See OLED vs LED, yearly cost, standby power and runtime on a battery.

Energy use, 7 min read
How Many Watts Does an Air Conditioner Use? By Type and Size
A central air conditioner uses about 1,400 to 6,000 watts, with a typical 3 ton unit near 3,300 W. See window, portable and mini split wattage, startup surge, kWh per day and running costs.

Energy use, 7 min read
Appliance Wattage Chart: How Many Watts Common Appliances Use
Running watts, starting watts and daily kWh for 33 common household appliances, plus how many watts an average US house uses and how to calculate cost.

Energy use, 8 min read
How Many Watts Does a Refrigerator Use? Running, Startup and Daily kWh
A fridge draws 100 to 250 W running, up to 1,200 W at startup and 1 to 2 kWh a day. See costs, sizing math and a 40-appliance wattage chart.