Do smart devices actually save energy?

They can, when they change behavior: schedules that turn things off, sensors that catch lights left on, and monitoring that shows where use is concentrated. A device that only adds an app does not save anything by itself.

How-To Guides

Electrical upgrades that make a home more efficient

Lighting, controls, panel capacity and load planning. The electrical work that reduces waste, and how it fits alongside insulation and HVAC improvements.

By Elijah Canfield, Founder, Hire Best Pros · Updated August 26, 2026

Elijah Canfield is the founder of Hire Best Pros. He writes and edits the site's consumer guides, with a focus on how home service and moving projects are priced, scoped and compared.

An electrician wearing protective equipment working inside a residential breaker panel

The electrical side of home efficiency is mostly about using less where you can measure it and having the capacity to support efficient equipment. That means converting remaining lighting to LED, adding controls where lights run unattended, correcting oversized or failing circuits, and making sure the panel can support heat pumps, an EV charger or induction cooking if those are in your plans.

Key points

Lighting and controls are the cheapest wins and the easiest to verify.
Panel capacity is what decides whether future efficient equipment is a simple install or a project.
Efficiency work pairs best with envelope and HVAC improvements, not instead of them.

Lighting and controls

Replace remaining incandescent and halogen fixtures with LED, matching color temperature across a room
Use dimmers rated for the LED products you install, otherwise you get flicker and buzz
Add occupancy sensors in closets, garages, basements and laundry areas
Put exterior and security lighting on timers or photocells rather than leaving it on

Circuits, panel and capacity

Efficiency projects often stall at the panel. Heat pumps, heat pump water heaters, EV charging and induction ranges all need capacity and a dedicated circuit. Having an electrician assess the panel and the service before you shop for equipment avoids an unpleasant surprise mid project.

Panel capacity and available breaker spaces
Service size relative to planned loads
Dedicated circuits for large appliances rather than shared runs
Correcting circuits that trip under normal use

Planning an upgrade that needs capacity?

Find an electrician

Where electrical work fits in the bigger picture

Electrical improvements pay off best alongside the rest of the envelope. Sealing air leaks around windows, upgrading to efficient windows and keeping HVAC equipment maintained all reduce the load that any electrical upgrade has to serve.

Common questions

Do smart devices actually save energy?: They can, when they change behavior: schedules that turn things off, sensors that catch lights left on, and monitoring that shows where use is concentrated. A device that only adds an app does not save anything by itself.