Best Smart Home Energy Monitors 2026 — Sense vs Emporia vs Span vs Ecoflow
Whole-home energy monitoring used to be either expensive ($5,000+ panel replacement) or wildly inaccurate (clamp-on sensors guessing at 60% confidence). In 2026, three separate device classes finally get this right at three very different price points. After running four of them in parallel for 90 days on the same panel, here’s what actually works, what’s worth the money, and which one you should buy for your specific goal. ...