The 10 Best Electricity Usage Monitors

Updated October 04, 2018 by Tina Morna Freitas

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We spent 46 hours on research, videography, and editing, to review the top choices for this wiki. If you know your watts from your amps and want to monitor and control the electricity consumption in your home or office, check out these usage meters. Some units will give you all the data you need for an energy audit of individual devices while others measure your whole house or business, so you can keep your power bill as low as possible and reduce your carbon footprint. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best electricity usage monitor on Amazon.

10. Excelvan HP1101

9. Efergy E2

8. Tacklife EM02 Classic

6. Ensupra PM002

5. Blue Line Innovations Power Cost

4. Eyedro Wireless

3. P3 International Kill A Watt

2. Etekcity Voltson

1. Sense Home Energy

How Electricity Usage Monitors Work

They also display the consumption in the same measurements the electricity company does, making it easy to predict the cost of future bill.

Electricity usage monitors are a smart purchase for anyone who is looking to cut back on power consumption, whether for environmental or monetary purposes. These monitors can help one identify which devices are using up the most power. They also display the consumption in the same measurements the electricity company does, making it easy to predict the cost of future bill.

If using a lot of power is simply not an option, many models allow the user to set a kilowatt limit. When a device is getting near that limit, the monitor sounds an alarm so people in the house know to turn it off. Electricity usage monitors can show useful information like the total power consumed by a device per day, keeping track in real time, and resetting every 24 hours.

Many monitors can connect to several devices around your home, letting you navigate the control screen, checking on each one individually. People who travel a lot appreciate units that can be used remotely. Bluetooth compatible monitors not only allow the user to check on their in-home power use when they’re away, but also to turn on devices remotely.

Many monitors plug directly into a wall socket, so a person can easily use these in their home or office. Some let the user plug a device directly into them, to get an immediate, real-time read on that item’s power consumption. Advanced models have cloud computing technology that lets a person check on their home’s power consumption from any Internet-connected device, and save data for the user so they can track their habits.

Top Energy Wasting Habits

In addition to using an electricity monitor, there are a number of other habits one can adopt to conserve energy in their home. There are several things that can be done differently around the kitchen to save power, like deciding what to eat before opening the refrigerator. People spend an average of 10.4 hours per year staring into their open refrigerator, wasting the electricity used to turn the light on, and to cool it back down when shut. And the refrigerator isn’t even the most expensive appliance in the home.

Air conditioner units work overtime when an oven is turned on, to compensate for the added heat in the room, so baking on hot days is irresponsible.

Using the oven is uncomfortable enough during the summer months, but it can also be costly. Air conditioner units work overtime when an oven is turned on, to compensate for the added heat in the room, so baking on hot days is irresponsible. Many often leave the oven preheating for longer than necessary while they work on other food preparation tasks.

Fans should only be on in rooms occupied by humans. Fans do not cool down an empty room. They simply cool down the object they are facing and if that’s a wall, that’s a waste of energy. Failing to set a thermostat is financially and electrically neglectful. Most people who turn on their air conditioner with the idea of turning it off when the home feels cool enough often forget to shut it off. A thermostat can prevent hours of wasted air conditioning power.

In the entertainment room, items like DVD players, speakers and cable boxes do not need to be left on all day. Most people only use these items for a few hours at night, and yet they leave them plugged in all day while they’re at work, and all night while they’re asleep. Many of these devices drain small amounts of power even when not in operation. It's known as a vampire drain and it happens in many common household electronics. Falling asleep in front of the television can also be a major electricity-waster, especially if it’s a person’s nightly habit.

The Most Energy Efficient Cities

Some cities make energy efficiency a top priority, and doing so can improve their economy and their environment. Considering that cities consume 75 percent of the world’s natural resources, it’s imperative that officials consider ways to cut back on power consumption.

Reykjavik, Iceland gets all of its heat, electricity, and hot water from renewable hydropower and geothermal plants. In the mid-2000s, the city replaced most of its public transportation with hydrogen-fueled buses, which only emit pure water into the atmosphere.

Scandinavia is home to another highly energy efficient city, Copenhagen, Denmark.

Portland, Oregon replaced its old streetlights with LED models that consume less energy. The city has always been environmentally conscious: in the 1970s, it removed a six-lane highway to make room for a waterfront park. Portland’s power-conscious citizens use bicycles as one of their main forms of transportation as well.

Vancouver, Canada is another city that boasts clean air. It has the lowest per capita carbon emissions of any major city in North America and receives 90 percent of its energy from hydroelectric power. Vancouver gets its other 10 percent of energy from renewable sources like wind, solar, and wave power.

Oslo, Norway, with its distinct four season weather, uses intelligent lights on their streets. These lights adjust their electrical output depending on the weather and traffic conditions. The city also powers most of its heating systems with biomethane, a renewable energy source retrieved from their waste product. Scandinavia is home to another highly energy efficient city, Copenhagen, Denmark. Over one-third of the city’s residents ride bicycles every day, and the city grows several rooftop gardens, which help insulate buildings.


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Last updated on October 04, 2018 by Tina Morna Freitas

Tina Morna Freitas is a writer who lives in Chicago with her family and two cats. She enjoys making and sipping margaritas and aspires to be a crazy cat lady once all the children are grown.


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