we all know the story, you need to be able to measure something before you can set about implementing changes. It’s no different for your home’s power consumption, so lets get measuring and saving.
There are plenty of home energy monitors around but the engage hub kit from UK based Efergy is a little different. instead of a static display sitting in your kitchen or wherever, the engage hub sends your data to the Cloud to provide you with access to the information from all of your devices.
Gladly we can point out right from the start that there is no subscription here as efergy commit to making this a free service for life. You can also get your data out too, but more on that later.
Installation & Setup
The box includes a CT Clamp, Transmitter, Receiver, Mains adaptor and Ethernet cable. Installing the kit is a 20 minute job. The current Transformer clamp goes in your meter box and plugs into its battery powered transmitter.
You’ll need to hunt for 3 x AA batteries for the clamp transmitter as these aren’t included. luckily we had some spare rechargeable cells. Efergy quote a battery life of between 18 and 26 months for the clamp transmitter.
The Efergy Clamp Installed in our Meter Box
The clamp uses 433MHz to communicate with the receiver and efergy say they are moving to the OpenThings open protocol for these comms in future.
The mains powered receiver needs to be plugged into an Ethernet port somewhere on your wired home network. most people would prefer WiFi these days though and if you don’t have a wired LAN then you’ll need to site it next to your router which may not be the most convenient location to receive the signal from the clamp. For us though our Node Zero lies right behind the meter box so is optimal for reception and plugs straight into our network switch.
Once everything is connected and you have 3 green lights it’s off to your browser to follow the setup instructions on screen. The hardware is auto-discovered and updated to the latest firmware. A few clicks and you are done.
Using the System
The engage online platform allows you to access your energy data in real-time and you can view the information from any browser or from the apps available for Android, iphone and iPad.
As well as your real-time current usage there are daily, weekly, monthly and average costs graphs available. You can input your unit price for the best approximation of the cost of your power consumption and also set a monthly budget amount too. The data can be viewed in £’s, kWh or CO2.
Spot when the family woke up on this day?
If your Internet goes down the hub will retain approximately 30 days worth of your data (in one minute intervals) to sync up when the connection is restored. data storage on the Cloud is quoted as ‘unlimited’.
The clamps range is 50mA to 200A (90-600V) and we asked efergy how accurate its measurements are and they told us…
The clamp is 95-99% accurate. With higher power levels the accuracy is higher. We have made third party tests that shows this accuracy levels. We also have an optical sensor that measures the optical pulses from the meters, showing an accuracy of 98-99%.
Even if this method of measurement isn’t terrific at measuring smaller loads, this is mainly about spotting relative trends and making changes like spotting you need an immersion heater timer.
Solar PV Monitoring
Efergy say the engage hub is also optimal if you have a PV Solar installation. A separate clamp can be ordered and placed on the cable coming from the solar inverter. This then measures the output from your system and shows it on the graph too helping you see if you are using the power your PV system is generating most efficiently.
Integrare
Efery have a couple of useful ways of using your data. firstly you can export a csv file of values to download to your PC or Mac.
Alternatively if you like to get your hands dirty with a bit of coding you can use this open API that employs a (revokeable) token to query the Cloud for your measurements.
Hildebrand technology provide the energyhive site and the entire backend for efergy. A quick search turned up these examples of integrating the data into SmartThings, Indigo and Domoticz.
Efergy tell us there is currently a “mayor mobile company” in the UK that is carrying out trials with this system and it’s being installed by utility companies for smart meters too.
All about the Bass(line)
So once you have all this data what are you going to do with it?
Currently the lowest our house goes (when all is quiet over-night) is around 650 watts. That’s the constant baseline consumption from things like the fridge, freezer and other devices plugged in and running or on standby.
To find the worst culprits here you can use something like this to measure the consumption of individual appliances.
There’s a new engage socket (pictured right) thats coming in Q3 2016 that will monitsau aparate individuale (până la 5 prize pe un hub) care ar trebui să aibă un preț de aproximativ 15 GBP.
De asemenea, ne -a oferit impulsul de a merge și de a cumpăra mai multe dintre aceste becuri cu LED -uri grozave pentru a schimba mai multe dintre cele mai folosite camere din casă. Mai avem în jur de 50 dintre acei răi 50W incandescent Gu10, cu toate acestea, pentru a înlocui și chiar și cu scăderea recentă a prețurilor, care este încă peste 400 de lire sterline de becuri.
A vedea e a crede
Toate aceste lucruri ajută la concentrarea minții. A doua zi după ce am instalat sistemul, mă uitam la tariful meu pe site -ul meu de energie electrică și mi -am dat seama că pot face mult mai bine. Un apel rapid și am economisit peste 200 de lire sterline pe an …
Efergy face mai multe alte monitoare energetice, iată un grafic de comparație bun al caracteristicilor. Ei ne spun că se angajează să dezvolte Hub -ul Engage cu un serviciu cloud modernizat care se datorează în T3 în acest an, ceea ce va adăuga capacitatea de a utiliza mai multe tarife și va duce la noi versiuni ale aplicațiilor mobile.
Chiar și fără aceste îmbunătățiri promise, putem recomanda din suflet Hub -ul de implicare a efergiei ca o modalitate convenabilă de a măsura (și, prin urmare, pentru a îmbunătăți) consumul de energie al casei tale.
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Efergy Technologies Engage Hub 1.1 Monitor de energie la domiciliu
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Ultima actualizare la 2021-10-04 / Link-uri / imagini de afiliere din API-ul de publicitate pentru produse Amazon