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Black & Decker EM100B Energy Saver Series Power Monitor

204 customer reviews
| 11 answered questions

List Price: $99.99
Price: $89.99 & FREE Shipping. Details
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  • Energy consumption monitor easily tracks energy usage minute by minute
  • Completely wireless system allows for easy installation and use
  • Displays energy use in kilowatts and dollars
  • Includes wireless, weatherproof sensor and indoor monitor
  • Requires 4 AA batteries; covered by 2-year warranty
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4 new from $89.99 5 used from $49.99

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$89.99 & FREE Shipping. Details Only 2 left in stock. Sold by Black Crow Sellers and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Black & Decker EM100B Energy Saver Series Power Monitor + Black & Decker TLD100 Thermal Leak Detector + P3 P4400 Kill A Watt Electricity Usage Monitor
Price for all three: $133.94

Buy the selected items together

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Product Description

Product Description

Includes Power Monitor - EM100B, Cordless In-home Display Unit, Weatherproof Electricity Meter Sensor, Alignment Guide & Instruction Manual

Go green and save money on energy costs with the Black & Decker EM100B Energy Saver Series Power Monitor. This compact, easy-to-install device lets you track the amount of electricity that your household uses--and the costs of that usage--in real time. This monitor can help you reduce your energy consumption and decrease your monthly bills while helping the environment.

The Energy Saver Series
EM100B Power Monitor:
  • Displays electricity use in your home, minute by minute, in dollars or kW
  • Shows month-to-date bill and predicted monthly bill
  • Also shows day, time, and outside temperature
  • Helps households stick to their energy budgets and save money

The Energy Saver Series Power Monitor is easy to install and easy to use. View full diagram.

Click to view the power monitor compatibility guide.

Simple Installation: No Wiring Required
Getting started is as easy as mounting the sensor to your outdoor electric meter, aligning it, and synchronizing the sensor with the cordless monitor. Once this is done, you can track real-time usage from a convenient, indoor location. The results are immediately available and can help you to make smart energy-consumption choices. You'll quickly discover that doing the little things really does add up to big savings.

The monitor's easy-to-read digital display shows your current energy usage in dollars, so you don't have to perform tricky calculations to understand what the readings mean. It also shows you the outdoor temperature, so you can account for heat used on cold mornings, and it displays your month-to-date usage along with an estimate for your upcoming bill. This advanced feature can work with any type of billing rate, including flat rate billing, separate peak and off-peak rates, or tiered billing structures.

Track Little Changes that Become Big Savings
A convenient appliance mode feature allows you to track minute-to-minute changes in electric consumption as major appliances are turned on and off, so you can see where your money is going. This makes it easy for you to decide, for instance, which electrical appliances and accessories are really worth their cost, and which of your older appliances are costing you more money than they're worth. You can also quickly tell how much you save by switching to compact florescent light bulbs or instituting other conservation measures in your home.

Once you have the Energy Saver Series Power Monitor set up, you'll be surprised how quickly the everyday choices you make in your electrical consumption add up. In fact, lifestyle changes based on the information your family gets from this monitor can save you up to 20 percent a month on your electric bills.

Enjoy Durability and Widespread Compatibility
The weatherproof sensor at the heart of this system is designed to handle tough winters, humid summers, and everything in between, so you can rely on it for year-round accurate performance.

This power monitor is designed to work with 90 percent of current electricity meters, including those with visible rotating wheels, those with single optical ports, and some models with dual optical ports.

What's in the Box
Cordless monitor station, weatherproof sensor, one shim, and one alignment guide.

Families that use the Power Monitor to change their behavior and save energy can reduce their electricity bill by up to 20 percent.

See all Product Description

Product Information

Technical Details
Part Number EM100B
Item Weight2.2 pounds
Product Dimensions9.1 x 8.3 x 4.1 inches
Item model numberEM100B
Item Package Quantity1
Batteries Required?Yes
Warranty Description2 Year Warranty
Additional Information
Best Sellers Rank #170,456 in Home Improvement (See top 100)
Shipping Weight1.7 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableJanuary 1, 2006
Warranty & Support

Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

161 of 167 people found the following review helpful By sv_product on February 24, 2009
This product was pretty easy to install and setup. I live in a 3-unit condo in San francisco, and the signal transmitted fine from the garage to the master unit, probably 30-40 feet away and through a number of walls.

I'm already an efficiency nut and have replaced all the inefficient fixtures in my house with flourescents, and do a good job turning things off when not in use.

My main issues with this:

- It only measures in 100W increments, so you can't really track how much a compact fluorescent light or anything else small uses. You need to use a Kill-a-Watt or something like that
- The update interval is a bit slower than I would have liked
- There's no good way to get this data off the master unit and charted online
- It seems to be quite inaccurate around 300W. My nighttime usage it says fluctuates between 0 and 0.3 Kwh. I really want to figure out what my zombie devices are and I'm having a hard time figure out why there's always 300W of usage in my house. I unplugged the fridge so it's not that, and I'm using a Kill-a-watt to try and track down everything else
- It does let you figure out how much electricity the big things in your house use like the dishwasher, washing machine, heater, toaster, microwave, vacuum, TV, etc.

What I really want is something I can replace my electrical outlets with and have them communicate with a central server and track usage at each outlet.

For $100 this is a neat device, easy to install, and will find any really bad power usage that you have, but it left me wanting more.

Update: I decided to buy the TED Energy Detective as it's more accurate than this and I have access to my subpanel. That device isn't wireless and I wish it was, looks like there isn't a perfect product on the market yet
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151 of 159 people found the following review helpful By Sean P. Logue VINE VOICE on September 24, 2008
Vine Customer Review of Free Product ( What's this? )
Now this is a really interesting product. I have several individual energy monitors that will tell me how much power the device (or several devices on a power strip) are using. But, the real heavy-hitters aren't small appliances, they are the large ones like central air conditioning and electric clothes dryers. Plus, what are all those lights I tend to leave on costing me? I just can't tell that from an individual meter, and my power bill includes everything in the house, so I can't narrow it down.

I investigated various solutions for monitoring how much power my home is using. There are a couple of them out there. They are pretty expensive (hundreds of dollars), and they need to be installed by an electrician (there's a pretty big risk of death if you don't know what you are doing).

When this one came along I was interested, but I figured it would be pretty similar to the other ones. Luckily, it differs in two important respects. It is easy to install, and it is much cheaper. Installation consists of putting a battery-powered transmitter on the outside meter. The meter doesn't need to be opened, and it isn't directly attached, so you won't need an electrician. On my meter, which is electronic, it interfaces with it by blinking a light into a little port that is on the meter and reading the response. It works with mechanical meters as well, by sensing the little wheel turning inside the meter. I suspect this is more accurate than the type that connects directly to the power lines, as the meter is what the power company is basing your consumption and cost. I also like the fact that I can't die from attaching it. The downside is that it has a battery that needs regular replacement.
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63 of 66 people found the following review helpful By Nerd Alert TOP 1000 REVIEWER on October 2, 2008
Vine Customer Review of Free Product ( What's this? )
After viewing the product image and seeing the name, I assumed that this product was Black and Decker's take on the Kill A Watt. The Kill A Watt, by P3 International, is a popular device used to measure the energy consumption of a single device. To use it, a device is simply plugged into it, while it is plugged into the wall. The reason I explain this is because, while my initial assumption was incorrect, these products both compete and bolster each other in ways I will explain below.

The Black and Decker Energy Power Monitor is a very interesting device. It consists of an outdoor unit, which attaches to an electric meter, and an indoor unit, which displays and interprets data collected by the outdoor unit. The reviews here seem to conflict about the ease of installation of the outdoor unit. My experience was extremely positive. All I had to do was extend the sensor by pulling a lever and tighten it onto the the electric meter's glass dome with a flathead screwdriver. My electric meter is the old fashioned electromechanical (spinning disc) type, which may explain the relatively fast and painless installation. The indoor unit feels surprisingly high quality, despite being all plastic, with very durable buttons and some heft. As a bonus, they have also included an outdoor temperature reading. The display is very nice and large, but the low resolution, which is similar to a digital clock, limits the amount and type of information available.

And that is where the caveat lies for me. Given this very powerful method of reading energy use and broadcasting it long-range wirelessly, one might expect a plethora of data and the ability to monitor various aspects of energy usage over the course of weeks, months, and years.
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Most Recent Customer Reviews

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