Let me start by saying this SEM-Meter energy monitor is one of the best smart home investments I've made. As someone who's obsessed with optimizing energy usage, this device gives me real-time insights that have already helped reduce my electricity bill by about 15%.

The installation was surprisingly straightforward. The clamp-on sensors fit perfectly in my crowded 200A panel, and the included antenna extension cable solved my WiFi signal concerns. What impressed me most was how neatly everything could be routed - even with my main feed coming from the bottom of the panel.

Using this daily, I've discovered some shocking energy hogs in my home. My 'efficient' refrigerator was actually consuming way more power than expected, and I caught a malfunctioning HVAC unit before it became a costly repair. The app's visualization makes it easy to spot these issues at a glance.

For smart home enthusiasts, the Home Assistant integration is flawless. After some initial configuration (which their responsive support helped with), I now have all my energy data flowing into my dashboard. The ability to run completely locally via MQTT is a huge privacy win that many competitors don't offer.

The only limitation is the 16-sensor cap - I wish they offered a larger bundle as I had to prioritize which circuits to monitor in my 24-slot panel. But at this price point, buying a second unit for my subpanel still makes financial sense compared to competitors.

If you're serious about understanding your home's energy usage (especially with solar), want to catch failing appliances early, or just enjoy data-driven home optimization, this monitor delivers exceptional value. It's transformed how I interact with my home's electrical system.