Smart Home Energy Monitor with 16 50A Circuit Level Sensors, Real-Time Power Usage & Electricity Cost Tracking, Ideal for Rental Homes & Shared Apartments, App History, Compatible with Home Assistant
$129.97
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⚡ EASY INSTALLATION: Installs in circuit panel of most homes with clamp-on sensors. Supports single-phase up to 240VAC line-neutral; single, split-phase 120/240VAC; and three-phase up to 415Y/240VAC (no Delta). The branch lines can automatically match different phases and have no restrictions in terms of quantity and voltage.Panels with access only to busbars will need flexible sensors available from SEM-Meter.
⚡ ENERGY MONITORING ANYTIME, ANYWHERE: Monitor your home’s real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. Light commercial 3 phase option available as a separate bundle. Protected by a 1-year warranty.
⚡ VARIOUS ELECTRICAL APPLIANCE MONITORING: Comes with 16 50A sensors to accurately monitor your air conditioner, furnace, water heater, washer, dryer, range, etc.
⚡ LOWER YOUR ELECTRIC BILL: SEM-Meter measures real-time spending and gets actionable notifications to understand where savings can be made, both to lower your electric bill and to conserve energy and protect the planet’s resources. Be an environmentalist.
⚡ REAL-TIME ENERGY DATA: Connect SEM-Meter device via 2.4GHz WiFi to monitor energy usage, with an accuracy range of 1%. View usage in real time through Android/Apple software. Statistics of power usage in now/day/week/month/year format: the validity period of hourly exported data is 90 days, and the exported data of day/month/year data is permanent, available at any time Export from application.
⚡ Super Privacy Mode ! run without our cloud ,without our app!! use your own MQTT server only!! run in LAN without internet access !!! (HomeAssistant with MQTT required.)
⚡ SMART ELECTRICITY BILL ALLOCATION FOR RENTAL HOMES: Perfect for rental houses, shared apartments, and multi-room properties. With multiple circuit monitoring, you can track power usage for each bedroom, common area, or EV charger without installing multiple electricity meters. Supports customizable electricity rate templates including peak, off-peak, and holiday pricing, allowing automatic electricity cost calculation based on time-of-use tariffs. After setting the pricing template, users can clearly see electricity usage and cost for each room or circuit, making billing transparent and helping landlords or property managers manage fair electricity allocation.
9 reviews for Smart Home Energy Monitor with 16 50A Circuit Level Sensors, Real-Time Power Usage & Electricity Cost Tracking, Ideal for Rental Homes & Shared Apartments, App History, Compatible with Home Assistant
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$129.97
Kevin D. –
Perfect for a private home assistant setup
Very satisfied with this product! Excellent value for the price. I’ve been using it for a few months now together with Home Assistant, and it has worked flawlessly.As a European user, I found the documentation a bit US-oriented at first, so I had quite a few questions during setup. Their support team was outstanding — quick, detailed, and patient in answering all my concerns. Thanks to them, I now have a clear understanding of how everything works. They even sent me an extra part I needed for my European setup at no cost, which I really appreciated.My board has 28 circuits, but since circuits on the same phase can be combined, I was able to cover everything with the 16 clamps included. The measurements are very accurate — I compared them against some smart plugs with built-in power meters, and after several weeks of monitoring, the readings matched closely.Updating the firmware through the app was also a big plus. It allowed me to change the reporting interval from 30 seconds to just 2 seconds, giving me near real-time insight into my energy usage. I started out using their cloud integration with Home Assistant, but later switched to the private local setup. Everything now connects directly to Home Assistant without needing the internet — and the setup was much easier than I expected.
Duane –
Great Product at An Awesome Price!
I’ve been using this for a while now. It’s a great replacement for my old monitor with a lot of new features. Installation is easy and straight forward, the split current transfers make that very easy. The app works well and it’s already set up for Home Assistant integration and the ability to use that as your server so no need to sed data out of your home. I had one small problem that tech support quickly and professionally took care of. I have 4 panels and lots of circuits to monitor so I will be buying several.
stephen –
Easy to install, external SMA antenna, calculates real-time phase balance.
Kit comes with SMA antenna extension cable that you can run outside of the panel to connect the included external antenna.Module has Bluetooth provisioning and connected to WiFi with no issues.Data is stored in 1 hour, 1 day, 1 week, 1 month and 1 year buckets.Real phase load balance is computed instantaneously.Circuit editor allows you to name each sensor and provide voltage multiplier to correctly account 2 phase loads.Another pane graphs the data. The same time range buckets are used for graphical representation.You can also export the data in tabular format for further processing if necessary.App also allows you to set alerts and also change cost per kilowatt to benchmark utility meter.My particular interest is in benchmarking HVAC efficiency and tracking large unknown loads in my house.The device will help me to answer questions such as when is the best time to top off refrigerant in my 2 HVAC units, is it time to replace my refrigerator, is the battery in my EV getting too old, do smart switches consume more energy to run than power they help to save with schedules and timers, is the basement sump pump just tripped the circuit breaker, is the septic tank air pump still working or blew mechanical fuse, etc.My main panel has 40 breakers, this device has only 16 channels. But I figured that if I run 3 wires per sensor for 8 sensors, plus 2 wires per sensor for another 8 sensors, I will cover the entire panel.The important thing is to ensure that all the wires going through the single sensor are connected to the same phase. Odd breaker rows are connected to phase 1, even rows to phase 2. I have 5 double breakers installed in this panel. I connected them to 5 sensors and used x2 multiplier in the app to correctly attribute 240V loads.Wires are cut without any slack in my panel, and bundling 3 wires together through the same sensor was difficult. I used plastic zip ties to reinforce hinges and latches on low gauge wires. Main module can be connected to 3 phases max. I used only the first 2 and connected the 3rd wire to the neutral as instructed in paper and app guides. Kit includes 3x 12th gauge wires and 3x wire connectors to connect multi strand power wiring to breakers in case if you don’t have 2 spare empty slots to install dedicated breakers to power this module.
terrelljames91 –
Great Smart Energy Monitor with Minor Accuracy Quirks
This smart home energy monitor has been a fantastic addition to my setup. Installation was straightforward, the app is intuitive, and I love being able to see real-time energy usage for the whole house. It’s really helped me become more mindful about what’s using the most power and when.That said, I did notice a small discrepancy when comparing it to my utility power meter—the readings are consistently off by a few percentage points. Not a huge deal for general monitoring, but if you’re looking for ultra-precise data, it’s something to keep in mind. This meter is usually 20-50kwh under what the power company meter says im using. Again this is not a huge deal at all to someOverall, it’s a solid product with powerful insights and great functionality. Just shy of perfect due to the slight inaccuracy, but still absolutely worth it for most homeowners.
Mike in Defiance –
Extremely good function and value power monitor
App gives lots of data you can use to save on your electric bill. Data is also available via mqtt for your home automation server so automatic action can be taken as you want. Installation requires some electrical skill but is easy for folks who have changed circuit breakers and have done some residential wiring.The app is apparently designed by engineers, no marketing bs at all.When there is a power failure, you may see wonky data on startup. A way to tailor the length of the sensor wires would help during installation. These are just two minor inconveniences given the value it brings. Very cost effective.Mine has been installed for 11 months, working great.
Amazon Customer –
Product works as described. It will integrate into HomeAssistant with a little bit of work. If you are savvy with the configuration files then it shouldn’t be an issue.I had a great experience with the support team when I had some strange readings, they were able to resolve my problem. I turned the solar breakers in the panel back on in the wrong order. Afterwards, I had a few additional questions about how the system works and they were great to deal with. The response didn’t come until overnight, but that was fine since it isn’t urgent.As a bonus: the electrical cost analysis portion of the app allows Time Of Use Rate configuration, which is exactly what I needed for where I live. I did not expect it to have that capability.Everything is working perfectly and I was able to already find opportunities for power savings in the house.
Pieces missing –
Works. Good
Petef –
This item on works on a 2g network.
Client d’Amazon –
C’est un bon produit facile à être installéJe le recommande