Smart Home Energy Management Systems
Learn how to simplify, reduce and manage your energy consumption with smart home systems that meet the ENERGY STAR criteria. Find eligible products, expert advice and buying guidance for smart thermostats, lighting, monitors and more.
Home Assistant appeals to technically minded homeowners who want complete control over their energy management system without relying on proprietary platforms or cloud services. This open-source software runs on hardware you provide, from a Raspberry Pi costing under $100 to a dedicated server, and connects to virtually any smart device or energy monitor through community-developed ...
Energy Management in a Smart Home
Best Smart Home Energy Management Systems 2026 Ecobee scores 9.1 on the SHE Energy Stack Score — the highest-impact first layer, paying back in 1.6 years. Five picks, one stack, in the order they earn back. HVAC first, monitor second, hub third, panel last.
Home Energy Management System (HEMS) explained
What is a home energy management system (HEMS) A home energy management system acts as an energy manager and connects and controls a home's energy devices through a central smart hub. It monitors real-time electricity use and generation, then intelligently adjusts devices to run more efficiently. For example, a HEMS can delay a heat pump or electric vehicle (EV) charger to off-peak times or ...
Every home energy management system should have a smart meter that helps you track energy consumption in real time. Having access to multiple sensors and smart devices can be a great way to ensure you can monitor all energy use throughout the property. A central hub that helps collect data from all sensors and devices is a must-have as well.
In 2025, the landscape of whole house energy management systems has evolved considerably, offering homeowners like you innovative ways to enhance efficiency and reduce costs. With features such as real-time monitoring and customizable alerts, these systems empower you to take control of your energy use.
We tested the 12 best smart energy monitors in 2026 on accuracy, app quality, and Alexa compatibility. Track electricity usage in real time.
Tesla Home
Tesla Home is the home energy management system (HEMS) that comes standard in every Powerwall. Powered by Opticaster, our AI optimization software, it predicts your energy needs, automatically adjusts your usage across your electric appliances and can help lower your electricity bills. 1 Designed to work with a variety of home energy systems , Tesla Home connects Powerwall to Solar Panels ...
Home energy monitoring devices turn that blind spot into clear, real-time insight. They pinpoint always-on "phantom" loads, reveal which circuits or appliances cost the most to run, help you shift usage to cheaper hours, and verify that upgrades—like smarter schedules or better ventilation—are paying off.
