Which appliance uses most energy

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Light bulbs' energy use can vary widely based on bulb type and usage. A watt incandescent bulb left on for two hours a day uses about 0. Add that up for about 50 bulbs in the household, and it becomes kWh per month. Reduce the electricity usage of your lights with these tips:. Use energy-efficient LED light bulbs to reduce consumption.

Use natural light, especially in winter, when you also get the benefit of heat. Choose LED holiday lights and put them on timers so they don't stay on all night. Install motion detectors on outdoor security lights so they only turn on when you need them. Our electronic entertainment in particular, including televisions, cable boxes, and video game consoles, can use a significant portion of our homes' energy. If we watch an average of five hours of TV a day and play video games for about 6 hours a week, these devices can utilize about 55 kWh of electricity per month.

These electronics are also culprits of using standby power even when they are not in use. Keep energy usage in line with the below tips:.

Always turn off electronics when they're not in use. Choose more energy-free entertainment activities like reading and board games. The most effective way of saving money on utility bills is to install home solar panels. Photovoltaic cells are built into solar panels.

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Sign Up. Weather Preparedness. Safety Tips. When temperatures rise, our energy bills can be at their highest. To prevent high electric bills, we need to keep our homes as energy efficient as possible. Finding ways to save energy and reduce our costs can be a challenge, so where do we start? With the help of energystar.

Your electricity usage is measured in kilowatt-hours, or kWh. When calculating an appliance or system's energy use, we calculate daily kilowatt-hours by multiplying the hours used per day by its wattage, and get the kWh by multiplying that by 0.

Learn more about calculating your appliances and systems' usage. As your main source of comfort from extreme outdoor temperatures, your HVAC system uses the most energy of any single appliance or system at 46 percent of the average U.

An average central HVAC unit uses about watts and runs two to three times an hour for minutes. In a hour period, your HVAC would use around kWh, resulting in about , kWh in a month, depending on the efficiency of your unit. Try to reduce the workload of your HVAC system with these tips:. As another often-used appliance, your water heater comes in second at 14 percent of your home's energy usage. An average water heater will run about 3 hours a day and uses watts, adding up to Use these tips to take the heat off your energy bill:.

Your home appliances account for about 13 percent of the typical electric bill. Below are some tips on how to save on your major appliances' energy use:. An average refrigerator uses watts, and assuming you use your refrigerator all day, you'll use kWh per month. Although we can't turn our refrigerators off or use them less, there are other ways to save:.

Washers and dryers collectively use about 5 percent of your home's energy. These appliances cumulatively use watts.