Our top picks for the best home energy savings products you can buy in the United States.
Nest Learning Thermostat 4th gen is the easiest premium choice, ecobee Premium is best for room sensors and Apple Home, and Amazon Smart Thermostat is the budget pick for compatible single-stage systems.
July 3, 2026
Mysa for Baseboards V2 is the best full-featured line-voltage choice; Mysa Lite costs less for scheduling and app control. Ordinary 24V smart thermostats are not substitutes.
July 3, 2026
Use the utility portal first, a Kill A Watt for a local screen, or Tapo P110M for app history and control; none requires opening the electrical panel.
July 3, 2026
Tapo P110M is the best alerting monitor for one plug-in device; Emporia Vue 3 is better for circuit patterns, and Shelly Pro 3EM suits custom local notifications.
July 3, 2026
Emporia Vue 3 is the best all-around no-subscription monitor for circuit-level detail; Shelly Pro 3EM is better for local control, while Kill A Watt is the simplest no-account option.
July 3, 2026
Start with the utility portal for free whole-home trends, use Emporia for circuit detail, or Shelly plus a local dashboard when data ownership matters.
July 3, 2026
The Tapo P110M two-pack is the best starter bundle: it measures energy, supports schedules and Matter, and avoids buying more plugs than you can use safely.
July 3, 2026
Tapo P110M is the best ongoing apartment monitor, Kill A Watt is best for private one-off tests, and the utility portal provides the whole-unit baseline.
July 3, 2026
Use Kill A Watt only for compatible 120V plug loads, Tapo P110M within its load-type ratings, and an electrician-installed Emporia Vue 3 for hardwired or 240V appliances.
July 3, 2026
Emporia Vue 3 is the best beginner clamp monitor when a licensed electrician handles installation; use a plug-in meter first if your question involves one appliance.
July 3, 2026