Beatrice Lang
Many households waste electricity without realizing it, and this can be costly for both the environment and your wallet. Some common sources of electricity wastage in the home include leaving the refrigerator door open, using old incandescent light bulbs, and inefficient appliances such as dishwashers and washing machines. Other bad habits include leaving electronic devices on standby or constantly plugged in, and not properly insulating windows and doors, which can lead to drafts and temperature control issues. By making small changes and adopting better habits, such as unplugging devices and upgrading to energy-efficient appliances and light bulbs, you can significantly reduce electricity wastage and enjoy lower energy bills and a more comfortable home.
| Characteristics | Values |
|---|---|
| Leaving the refrigerator door open | As much as 7% of the refrigerator's total energy use can be attributed to waste in this way |
| Not identifying sources of drafts | Small cracks or gaps around windows, doors, vents, or ductwork can add up to large amounts of wasted energy |
| Not using energy-efficient light bulbs | Wasted energy from inefficient incandescents can add up over time |
| Not using the economy setting on the dishwasher | The energy-intensive "heat-dry" option consumes more energy |
| Not running the dishwasher only when it's full | Running the dishwasher daily can cost the average homeowner up and above $66 per year |
| Leaving the thermostat at the same temperature all the time | Heating or cooling an empty home wastes a significant amount of energy |
| Leaving electronic devices plugged in | Devices that use standby power account for up to 10% of electricity use |
| Not unplugging devices when not in use | Vampire or ghost loads may account for up to 10% of total energy use in a typical household |
| Not using power strips for electronics | Plugging multiple electronic devices into a power strip makes it easier to prevent phantom loads |
| Not using a dryer function on a washing machine | The dryer function contributes to electricity usage and results in a bigger utility bill |
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What You'll Learn
Leaving appliances plugged in
Examples of appliances and electronics that draw power in standby mode include computers, televisions, monitors, gaming consoles, and other devices with continuous electronic displays like a clock or those operated with a remote control.
To prevent this energy loss, unplug devices when not in use. Alternatively, plug devices into a power strip so that they can be turned off with one switch, or use a sleep setting for devices like televisions.
By being mindful of "vampire draw" and taking simple steps to reduce it, you can lower your energy bills, protect the environment, and extend the life of your appliances.
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Using appliances at the wrong temperature
In most cases, using warm or cold water for laundry will get your clothes just as clean as using hot water. While tough odours and some oil-based stains are best removed with hot water, cold water prevents shrinking, is easier on fibres, and minimises fading.
Refrigerators are another appliance that can waste electricity if used at the wrong temperature. If your refrigerator feels warmer than 37° F, you should first check whether it's just the thermostat readout that has become inaccurate. To do this, buy a standalone refrigerator thermometer to place inside the refrigerator and assess the temperature discrepancy. If the temperature doesn't budge, try cleaning around the appliance's compressor and any coils to remove dust and dirt, which prevent efficient cooling.
Additionally, the positioning of your thermostat can impact the temperature reading. For accurate readings, it's best to place your thermostat around the centre of your home and away from windows and doors. Direct sunlight or exposure to appliances that generate heat can also cause inaccurate readings.
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Poor insulation
There are several signs of poor insulation. Firstly, if you feel a breeze even when everything is shut tight, it indicates that your insulation needs attention. Secondly, if some rooms are significantly colder or warmer than others, it could be due to uneven insulation, allowing heat to escape or infiltrate certain areas. Thirdly, if your thermostat is constantly running, yet your home never feels comfortable, bad insulation might be the culprit. Effective insulation stabilizes temperatures and reduces noise transfer. If sounds from outside or neighbouring rooms are more noticeable, your insulation may be insufficient.
Upgrading insulation can improve energy efficiency and reduce environmental impact. Insulation can cut energy use by up to 45%. It is recommended to consult professionals to assess and replace failing insulation with modern, effective materials. Regular inspections can help determine when replacement is needed.
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Inefficient lighting
Choose Energy-Efficient Light Bulbs:
Incandescent light bulbs are known for being inefficient and can lead to substantial energy wastage over time. Opt for Energy Star-qualified LED bulbs instead. These bulbs use 70% to 90% less energy than standard incandescent bulbs and have a much longer lifespan. By making the switch, you can significantly reduce electricity costs and minimize waste.
Utilize Natural Light:
Take advantage of natural sunlight during the day to illuminate your home. Open curtains or blinds in rooms with windows to allow natural light to enter. This simple practice can reduce the need for artificial lighting, conserving electricity.
Turn Off Lights When Not in Use:
A common source of energy wastage is leaving lights on in unoccupied rooms. Remember to turn off the lights when you leave a room. You can also consider installing motion-sensor lights or smart lighting systems that automatically turn off when no one is present, helping to reduce wasted electricity.
Use Task Lighting:
Instead of brightly illuminating an entire room, focus on task lighting. Use lamps or targeted lighting fixtures to provide light only where you need it, such as a desk lamp for reading or under-cabinet lighting in the kitchen. This approach reduces overall electricity consumption and creates a more comfortable lighting environment.
Decorative Lighting:
During holidays or festive seasons, opt for LED string lights and decorations. LED lights consume significantly less energy than traditional incandescent lights, reducing electricity costs and waste. Look for energy-efficient options when purchasing new decorative lights.
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Leaving the refrigerator door open
While leaving the refrigerator door open for a short period, such as 10 to 20 seconds, may not significantly impact energy consumption, it is essential to be mindful of this habit. The longer the door is left open, the more energy is required to cool the air again. Additionally, the frequency of opening and closing the door can also contribute to energy wastage. Each time the door is opened, turbulence is induced, enhancing the exchange of air between the refrigerator and the outside.
To reduce energy wastage when using the refrigerator, it is recommended to know what you need before opening the door and to retrieve it as quickly as possible. Keeping the refrigerator well-stocked can also help, as the thermal mass of the items inside and the walls of the refrigerator reduces the impact of air exchange. Filling plastic bottles with water and placing them in empty spaces can help minimize the amount of air that escapes when the door is opened.
By being mindful of these habits and making small changes, you can contribute to reducing energy wastage in your home, lowering your utility bills, and protecting the environment.
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Frequently asked questions
There are many ways to reduce electricity wastage in your home. Firstly, identify sources of drafts, such as windows and doors, and seal any leaks with caulk or weatherstripping. Secondly, unplug devices when not in use to prevent "vampire draw" or "phantom load". Thirdly, use energy-efficient appliances and light bulbs, and run them only when they are full, such as dishwashers and washing machines. Finally, avoid leaving the refrigerator door open for too long and adjust your thermostat when the house is empty.
"Vampire draw", also known as "phantom load" or "standby power", refers to the energy that is quietly sucked by electronic devices even when they are not in use. These devices often have continuous electronic displays or small indicator lights that remain on, contributing to electricity wastage.
You can identify drafts by feeling them or using a candle to track the source of flickering light. Once identified, you can seal the leaks with caulk or weatherstripping to prevent heat or cooled air from escaping, thus reducing electricity wastage and lowering your energy bills.
Common household appliances that consume significant energy include dishwashers, washing machines, refrigerators, and electronics like computers and televisions. To reduce their impact, use energy-efficient settings, run full loads, and unplug devices when not in use. Additionally, consider using a power strip for multiple devices to easily turn them all off with a single switch.
