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popular Posted by ficky23 • 2d ago
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popular Posted by ficky23 • 2d ago

Refoss Smart Home Energy Monitor Supports Home Assistant, Real-Time Accurate Energy Consumption Tracking, Electricity Usage Monitor with 16x60A Circuit Sensors $157.49

$157

$200

21% off
Amazon
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https://www.amazon.com/gp/product...0DER&psc=1

A bonus about this item is that it integrates with Home Assistant and can be purely local (no cloud).

One bad thing is that it's not UL certified.

Useful if you want to monitor both energy consumption and solar export.
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https://www.amazon.com/gp/product...0DER&psc=1

A bonus about this item is that it integrates with Home Assistant and can be purely local (no cloud).

One bad thing is that it's not UL certified.

Useful if you want to monitor both energy consumption and solar export.

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Model: Smart Home Energy Monitor Supports Home Assistant, Real-Time Accurate Energy Consumption Tracking, Electricity Usage Monitor with 16x60A Circuit Sensors, 36-Month History, Solar Metering, 2.4G

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2d ago
879 Posts
Joined Nov 2017
2d ago
181day
2d ago
879 Posts
Better than Sense?
Original Poster
2d ago
37 Posts
Joined Jun 2011
2d ago
ficky23
Original Poster
2d ago
37 Posts
Quote from 181day :
Better than Sense?
Sense doesn't have circuit sensors, so you won't have that level of granularity for energy monitoring. Also, requires using their app and relying on cloud data (not sure if they have home assistant integration). If Sense were to go out of business, you would potentially lose all your historical data.

However, sense is UL certified, and I know my solar installer offers installing it for my system (where-as they won't install anything else).
2d ago
441 Posts
Joined Jul 2007
2d ago
dnguyen800
2d ago
441 Posts
Emporia Vue is also another option and should be UL certified. Works with Home Assistant but cloud only unless you flash the firmware
1
Yesterday
876 Posts
Joined Aug 2009
Yesterday
Formless
Yesterday
876 Posts
Quote from dnguyen800 :
Emporia Vue is also another option and should be UL certified. Works with Home Assistant but cloud only unless you flash the firmware

The Vue 2 and 3 units flashed to ESPHome have been bulletproof for me. I actually just decommissioned my iotawatt in favor of more emporia units to have more expansion ability.
Yesterday
231 Posts
Joined Dec 2013
Yesterday
greguar
Yesterday
231 Posts
can extra sensors be purchased or is the cutoff 16?
Yesterday
164 Posts
Joined Nov 2018
Yesterday
TehZombie
Yesterday
164 Posts
Quote from greguar :
can extra sensors be purchased or is the cutoff 16?
It has a max of 16 input ports (8 on each side). So extra sensors wouldnt have anywhere to plug in
1
Yesterday
2,622 Posts
Joined Jul 2013
Yesterday
BeepBopBeep
Yesterday
2,622 Posts
I bought this one and returned it as it was not UL listed/certified. I ended up getting Vue 3

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Yesterday
191 Posts
Joined May 2006
Yesterday
LiquoredOnLife
Yesterday
191 Posts
Emporia also offers flexible current transformers for the main bus bars which were required in my setup.
Yesterday
239 Posts
Joined Jul 2018
Yesterday
dman_97
Yesterday
239 Posts
What do you do with the information you collect with this? This looks like more that than a 1 time use to find an appliance consuming too much power.
1
Yesterday
67 Posts
Joined Feb 2021
Yesterday
GreenRose9133
Yesterday
67 Posts
Quote from BeepBopBeep :
I bought this one and returned it as it was not UL listed/certified. I ended up getting Vue 3
Keep in mind that UL certification means nothing as far as product performance. It's purely safety related and since this unit is low voltage powered and the CT's are split core, there is not interaction with any system voltage apart from measuring voltage and the magnetic field around your wires. It's like installing a bunch of clamp meters on the circuits and having a multimeter measuring voltage on one circuit to perform the power calculations. While UL is always a must for systems powered by AC voltage, it's not as critical for a low voltage system like this this.
Original Poster
19h ago
37 Posts
Joined Jun 2011
19h ago
ficky23
Original Poster
19h ago
37 Posts
Quote from dman_97 :
What do you do with the information you collect with this? This looks like more that than a 1 time use to find an appliance consuming too much power.
If you like to have historical data (whole house energy consumption, solar generation) this helps you collect the information for that.

While you can use their third party app, I'm personally more interested in storing that data locally via home assistant (server local in your home) and avoiding having my data on the cloud all together. You can view historical data (charts) in home assistant dashboard on your phone or PC (browser).

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