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Frequently Asked Questions
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About Smappee
Smappee Technology
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What distinguishes Smappee from other energy monitors and smart meters?
Smappee is not just a smart meter, nor just an energy monitor. A Smappee is so much more. Unlike the first two categories, your Smappee is independent of all energy suppliers. So whoever your energy supplier is, and whether or not you are considering the switch to another supplier, has nothing to do with the data collected on your Smappee. Smappee is a neutral energy monitor that highly respects your privacy. And lastly, what makes our Smappee so unique, is that it monitors down to the level of the most important appliances in the home, providing you with detailed insights in your consumption behavior and costs. On top of that, the new Smappee Plus also regulates your energy resources. Too much solar power? Then allocate it to your water heater. Smappee Plus must always be installed by a certified installer.
How does Smappee help me save energy?
Smappee provides insights into your energy consumption and helps you discover (hidden) energy guzzlers. You can take targeted action and start living more energy-consciously. For example, you could replace an old refrigerator with a more energy-efficient model or cut down on standby power consumption at home. Various studies have shown that real-time insight into energy consumption can result into savings up to 12%. By taking targeted action and tackling energy guzzlers, you can even reduce your energy bill with up to 30%. For an average household, this comes down to approximately £ 150,00 (172,5 euros) a year, which means you recover the cost of your Smappee in less than two years. The Smappee monitor has a power consumption of less than 2 watts.
What is the subscription fee for Smappee?
There is no subscription fee for home users*. The only cost is the purchase of the monitor. The app and its updates are free of charge. Smappee even saves your data for you, as a free service :

  • 5 min values : for 2 weeks
  • 1 hour values : for 90 days
  • day values : for 365 days
  • month values : for 3 years


  • *Business users of the Smappee Pro do pay a license fee. (See FAQ "How does Smappee Pro for businesses work?")
    How does Smappee detect the appliances in my home?
    How does Smappee detect the appliances in my home? Smappee identifies certain appliances thanks to its unique patented NILM technology or load disaggregation technology. The clip-on sensor on the power cable allows Smappee to identify your main appliances. After 6 to 8 weeks, Smappee can detect your most important household appliances. However, Smappee won’t detect all the appliances in your home. Smappee is designed to help you save energy and money, so it focuses on devices that have a significant power consumption and/or are used frequently. And - a unique feature of Smappee - you can also supplement this with the Smappee Plus clamps for submetering, meaning you can measure the consumption of appliances that are more difficult to detect, such as a heat pump or an electric car. Find out how it works here.
    Does Smappee keep track of my energy use?
    Smappee attaches a great deal of importance to its customers' privacy. We only keep the data we think we need to offer you an outstanding Smappee experience. Furthermore, all recorded data is kept safe and secure according to strict procedures. You can find further information about this in our privacy statement.
    How do I ensure my Smappee monitor remains up to date?
    The Smappee monitors and smart plugs, as currently sold through the online shop, will continue to deliver the promised benefits. The monitors were designed to keep themselves up to date, meaning your Smappee will automatically update its software if a reliable Internet connection is available. So it is important to keep your Smappee connected to your WiFi and Internet so that it receives updates when they are released.
    How does the Smappee Energy work?
    For the Smappee monitor, you will need a Wi-Fi internet connection and a power socket. You can download the Smappee app free of charge on your smartphone or tablet (Apple iOS 7.1+, Android 4,0+). For the web version, go to “My Smappee” in the top navigation of this site. Smappee measures the current by means of one or more current clamps which are supplied together with your Smappee. The clamp is attached to the insulated cable. As a result, Smappee does not come into direct contact with the electrical current. You don’t have to install a separate meter for each device. This is one of the unique features of Smappee. The current is measured at a single central location near the meter cabinet. It is not practical to install separate meters for each individual appliance, and in many cases this is not even possible (for example with lighting or cooker hobs). Also when you live in an apartment and the meter is located in the basement, you can install Smappee alongside the fuse box in your apartment. Even though many customers install their Smappee themselves, we recommend installation by a qualified electrician.

    Specifications.

  • Dimensions: 16 cm (l) x 10 cm (w) x 3.5 cm (h)
  • Weight: 300 grams
  • WiFi 802.11 b/g/n 2.4 GHz
  • Working temperature: 5°C to 40°C
  • Storage temperature: -10°C to 60°C
  • Relative humidity: 0-80%, 5°C to 40°C
  • Protection class IP 20
  • Working height: 0 to 2000 metres
  • EMC: EN 55022 (class B)
  • Safety requirements: EN61010-1 Ed 3.0 (2010-06), EN61010-2-032 Ed 3.0 (2012-09)
  • Overvoltage category: 300 V/CAT II
  • ~110-240 V, 50/60 Hz, max 5W
  • Current clamp max 50A
  • Both single and three-phase connections

    Not suitable for households with solar panels. Please go to Smappee Solar
  • How does the Smappee Solar work?
    Similar to the Smappee Energy, the Smappee Solar gives you real-time data on your electricity use and detects standby power consumption. The Smappee Solar also measures the production of your solar panels. It even gives you an exact insight into your household consumption by making the distinction between the power you get from the grid and the power from your PV system. To guarantee correct data, it is important to use the Smappee solar energy monitor if you have solar panels.

    Even though many customers install their Smappee themselves, we recommend installation by a qualified electrician.

    Specifications.

  • Dimensions: 16 cm (l) x 10 cm (b) x 3.5 cm (h)
  • Weight: 300 grams
  • WiFi 802.11 b/g/n 2,4 GHz
  • Working temperature: 5°C to 40°C
  • Storage temperature: -10°C to 60°C
  • Relative humidity: 0-80%, 5°C to 40°C
  • Protection class IP 20
  • Working height: 0 to 2000 metres
  • EMC: EN 55022 (class B)
  • Safety requirements: EN61010-1 Ed 3.0 (2010-06), EN61010-2_032 Ed 3.0 (2012-09)
  • Overvoltage category: 300 V/CAT II
  • ~110-240 V, 50/60 Hz, 2 W
  • Current clamp 50A (optional 100A or 200A)
  • How does the Smappee Plus for households work?
    The Smappee monitors measure energy use in real time using patented Smappee NILM (Non-Intrusive Load Monitoring) technology. Smappee Plus can also be used for submetering via the additional inputs, to which additional clamps can be attached. These additional inputs can individually measure and display subcircuits in the Smappee app. Submetering allows you to detect and monitor appliances with complex consumption patterns, such as those with a variable output (heat pumps and air conditioning units). Smappee Plus also regulates your energy resources. Too much solar power? Then allocate it to your water heater.

    Smappee Plus must always be installed by a certified installer.

    Specifications.

  • Dimensions: 180 x 130 x 35mm

  • Weight: 300 grams

  • Working temperature: -10°C to 50°C

  • Storage temperature: -20°C to 70°C

  • Relative humidity: 0% - 80%, 0°C tot 40°C
  • Working height: 0 to 2000 metres

  • EMC: EN 55022 (class B)

  • Safety requirements: complies with UL/IEC/EN 61010-1 Ed3 2010, CAT II
  • Aux input: 90 264 VAC

  • Inputs: Ph1, Ph2, Ph3, N
  • Topology: 3 phase 3 or 4 wire, single phase, split phase

  • Reach: 50 - 270 Vrms Ph-N / 87 - 550 Vrms Ph-Ph

  • Frequency: 45 - 65 Hz

  • Energy consumption: max. 5W
  • Ethernet and Wi-Fi 802.11 b/g/n
  • How does Smappee Pro for businesses work?
    Smappee monitors measure energy use in real time using the patented Smappee NILM (Non-Intrusive Load Monitoring) technology. Smappee Pro can also be used for submetering through the additional inputs, to which additional clamps can be attached. These additional inputs can individually measure and display subcircuits in the Smappee app or online at pro.smappee.com. Submetering allows you to detect and monitor appliances with complex consumption patterns, such as those with a variable output (heat pumps and air conditioning units). Smappee Pro comes with a Pro licence. The measured data is available online at pro.smappee.net for the duration of your licence, which also entitles you to use the API. You can use the API to read Smappee measurement data and import it into other systems. The data will remain available without restrictions for the duration of the licence. The licence can be extended without loss of data.

    Smappee Pro must always be installed by an electrician.

    Specifications.

  • Dimensions: 180 x 130 x 35 mm
  • Weight: 300 grams
  • Working temperature: -10°C to 50°C
  • Storage temperature: -20°C to 70°C
  • Relative humidity: 0-80%, 0°C to 40°C
  • Working height: 0 to 2000 metres
  • EMC: EN 55022 (class B)
  • Safety: compliant with UL/IEC/EN 61010-1 Ed3 2010, CAT II
  • Inputs: Ph1, Ph2, Ph3, N
  • Topology: 3x230V, 3x400V+N, single-phase
  • Aux. input: 90 - 264 VAC
  • Range: 50 to 270 Vrms Ph-N / 87 to 550 Vrms Ph-Ph
  • Frequency: 45 to 65 Hz
  • Energy consumption: max. 5W
  • Ethernet and WiFi 802.11 b/g/n
  • 9 current clamp inputs
  • 50A, 100A, 200A, 400A, 800A current clamps and Rogowski coil
  • How does the Smappee Gas & Water work?
    The Smappee Gas & Water monitor takes the readings from your gas and water meters and sends this data to the Smappee app on your smartphone or tablet. The gas and water monitor is the perfect add-on to your Smappee energy monitor, provided that your two monitors are installed within 10 to 20 metres of each other. Unfortunately, the monitor does not work with digital meters. An optical or magnetic sensor is attached to your gas and/or water meter and takes the readings from it. These are then sent to your smartphone or tablet. Readings are taken from your existing gas and water meters using an optical or magnetic sensor. You simply place the sensor on the meter and connect this to the Smappee Gas & Water monitor. A flexible rubber strand makes it easy to position the monitor securely around your gas or water pipe. Unfortunately, the monitor does not work with digital meters. You can even use the Smappee Gas & Water in your flat if the meter is in the basement. Due to the distance however, communication with a Smappee energy monitor is generally not possible, and data transfer will therefore need to take place via Bluetooth to your smartphone or tablet. In this case, you would need to regularly go to (within 7 metres of) your gas & water monitor, open the Smappee app and stand there for around 20 seconds. The gas and water monitor and the app will automatically find each other and exchange data. You need do no more than simply go there once a month, in order to ensure that no data is lost. This is because Smappee stores the hourly values for just over a month. Your smartphone will send the readings through to the Smappee cloud so that you do not lose them. This enables you to keep them for years. The Smappee Gas & Water monitor app works on Apple iOS (8.1+) and Android (4.4+). However, it is important to have a smartphone or tablet running at least Bluetooth 4.0 LE. You can find a list of Apple devices that support this at http://www.iphonefaq.org/archives/973945.

    Specifications.

  • Power: 2 AA batteries
  • Wireless communication: - RF 433.92 MHz (range 20-30 m without obstacles) - Bluetooth®4.0 (range up to 7 m)
  • 2 optical or magnetic sensor inputs
  • Complies with CE standard
  • How does Smappee Switch work?
    Smappee Switch is a smart plug which you can use to operate appliances remotely and which measures the exact consumption of the connected appliances. Use the free Smappee app to scan the serial number of your Smappee Switch under the "Control" menu tab. Your Switch immediately connects to your Smappee app and the Smappee ecosystem, allowing you to remotely operate your Switch. If you are right next to the Switch, you can also just turn it on or off manually. Smappee Switch works with the most popular plugs (B, E, F, G, I, J, L, M) and can switch to capacities of up to 16A (country-specific). Smappee Switch works on the 433 MHz or 915 MHz (US) frequency and must therefore be located within a maximum range of 10 to 20 metres of your Smappee monitor. Dynamic switching (e.g., reducing water heater from 16A to 8A at peak times) is only possible for smart appliances and only when combined with the Energy Traffic controller, which is supplied with Smappee Plus and Smappee Pro. Switch's switching functionality is thus limited to an on/off function. Want to use multiple Smappee Switches? You can configure up to 20 Smappee Switches using one Smappee energy monitor. You can also use your Smappee Switches in your cellar, attic or other rooms in your house that the communication signal does not reach. A Switch can pass on the signal to another Switch so you can bridge longer distances and overcome obstacles such as concrete. You can link up to 3 Switch stations and the maximum range between each of these stations is 10 to 20 metres.

    Important! Smappee Switch is only compatible with Smappee Energy, Solar, Plus and Pro.

    Specifications.

  • Dimensions 60 cm (24") (L)
  • Wireless communication: RF 433 MHz or 915 MHz (US)
  • Working temperature: 5°C to 40°C (41°F to 104°F)
  • Storage temperature: -10°C to 60 °C (-4°F to 158°F)
  • Relative humidity: 0 to 80%, 5°C to 40°C (41°F to 104°F)
  • Protection class IP 20
  • Switching up to 16A (country-specific)
  • Fitted with the most frequently used plugs (B, E, F, G, I, J, L, M) or open-ended
  • Configure up to 20 Switches under 1 Smappee energy monitor
  • Smappee Switch only works with the Smappee Energy, Solar, Plus and Pro, except in US: only works with Smappee Plus and Pro
  • Installation Videos
    How do I install the Smappee Energy (Single-Phase)?

    How do I install the Smappee Energy (Three-Phase)?

    How do I install the Smappee Solar (Single-Phase)?

    How do I install the Smappee Solar (Three-Phase)?

    How do I choose the correct solar mode for my Smappee Solar?