Let’s face it: electricity bills keep climbing, and most of us are looking for ways to cut back without sacrificing comfort. The good news? The best smart home devices to save on electricity bills do the heavy lifting for you.
These gadgets don’t just make your life more convenient—they actively monitor, adjust, and reduce your energy usage. And no, you don’t need to spend a fortune or overhaul your entire house overnight. You can start small and see real savings within your first billing cycle.
In this guide, I’ll walk you through the top energy-saving smart home gadgets that deliver actual results. I’ll also share some practical tips, real-world examples, and a few numbers that show how much you can save. Ready to make your home smarter and your wallet happier?
1. Smart Thermostats: The King of Energy Saving Smart Home Gadgets
If you’re only going to buy one energy-saving smart home device, let it be a smart thermostat. Heating and cooling account for nearly half of your home’s energy use, according to the U.S. Department of Energy. That’s huge.
Smart thermostats like the Google Nest Learning Thermostat or the Ecobee SmartThermostat learn your schedule and preferences. They automatically adjust the temperature when you’re asleep or away. Some models even use built-in occupancy sensors or your phone’s location to know when you’ve left home.
How much can you save? On average, a smart thermostat can shave 10% to 15% off your heating and cooling costs. That’s roughly $130 to $200 per year for an average household. In my own experience installing a Nest Thermostat, my summer AC bill dropped by over $40 in the first month.
- Google Nest Learning Thermostat – Great for adapting to your routine.
- Ecobee SmartThermostat Premium – Works best with multiple room sensors.
- Amazon Smart Thermostat – Affordable option with solid Alexa integration.
- Honeywell Home T9 – Smart room sensors for zone-based control.
2. Smart Plugs and Power Strips: Stop Phantom Energy Drain
Here’s a surprising stat: standby power (also called phantom or vampire energy) can account for up to 10% of your electricity bill. Devices like TVs, gaming consoles, coffee makers, and chargers continue drawing power even when they’re turned off.
Smart plugs are the simplest and cheapest fix. You plug them into a regular outlet, then plug your electronics into the smart plug. Using an app or voice assistant, you can turn the power off completely when the device isn’t in use. Many smart plugs also allow you to set schedules.
For example, I have my home office setup on a Kasa Smart Plug power strip. By 9 PM, the strip cuts power to my monitor, speakers, and desk lamp automatically. That one change saved me about $5 per month. It doesn’t sound like much until you multiply it across multiple outlets in the house.
Top picks for smart plugs:
- Kasa Smart Plug Mini – Reliable and affordable.
- Amazon Smart Plug – Works seamlessly with Alexa.
- TP-Link Kasa Power Strip – Six outlets with surge protection.
- Gosund Smart Plug – Budget-friendly with energy monitoring.
3. Smart Lighting: Switch to LEDs and Automate Them
Lighting typically accounts for about 5% to 10% of a home’s electricity use. Simply swapping your incandescent bulbs for LED smart bulbs cuts that number in half. But the real magic happens when you add automation.
Smart bulbs like Philips Hue or LIFX let you set schedules, dim lights, and use motion sensors. You can program your porch lights to turn on only at sunset and off at bedtime. Or set your living room lights to dim automatically as the evening goes on.
Motion-sensor smart lights are especially useful in hallways, bathrooms, and closets. Instead of leaving a light on for hours, it turns off a few minutes after you leave. The savings might seem small per bulb, but with 20+ bulbs in a typical home, they add up fast.
I recommend starting with the rooms you use the most: the living room, kitchen, and bedrooms. A Philips Hue starter kit runs around $70 and pays for itself within a year.
4. Smart Power Strips with Energy Monitoring
Regular power strips are passive—they just let electricity flow. Smart power strips take it a step further by shutting off power to devices that aren’t in use. Some models include energy monitoring features that show you exactly how much each plugged device is consuming.
This is incredibly eye-opening. I once discovered that my old cable TV box was pulling 30 watts even while “off.” That’s nearly 22 kWh per month for nothing. After plugging it into a smart strip and setting it to cut power at midnight, I saved over $30 annually on that single device.
Look for models that have:
- Individual outlets you can control separately.
- Energy monitoring via app.
- USB ports for charging.
- Built-in surge protection.
Products like the Belkin WeMo Insight Smart Plug and Kasa Smart Power Strip are excellent choices for energy monitoring.
5. Smart Home Hubs and Whole-Home Automation
If you’re ready to go all-in, a smart home hub can centralize and automate your energy-saving smart home gadgets. Hubs like Samsung SmartThings, Amazon Echo Plus, or Hubitat let you create complex routines that chain multiple devices together.
For example, you can create a “Goodnight” routine that turns off all lights, sets the thermostat to eco mode, cuts power to non-essential smart plugs, and arms your security system—all with one voice command or tap. This eliminates the risk of forgetting to turn something off.
The key is consistency. Automation removes human error. As long as you set the rules once, your home will behave efficiently every single day. I’ve seen users reduce their overall electricity usage by 20% with a well-planned automation system.
| Device Type | Estimated Annual Savings | Best For |
|---|---|---|
| Smart Thermostat | $130 – $200 | Heating & cooling costs |
| Smart Plugs (x5) | $50 – $80 | Phantom loads in electronics |
| Smart Lighting (x10 bulbs) | $60 – $100 | Replacing incandescent bulbs |
| Smart Power Strip | $20 – $40 | Home office / entertainment center |
| Whole-Home Automation | $150 – $300+ | Combined device coordination |
6. Smart Appliances: The Big Leagues of Energy Savings
While smaller gadgets are great for incremental savings, replacing major appliances with smart versions can dramatically reduce your bill. Smart refrigerators, washing machines, dryers, and dishwashers are designed with energy efficiency in mind.
For example, smart washing machines can automatically adjust water levels and cycle durations based on load size. Many smart dryers have moisture sensors that stop the cycle as soon as clothes are dry—preventing that 20-minute over-drying that wastes so much electricity.
Smart ovens, like the June Oven or GE Profile models, use sensors to cook food precisely, reducing preheating time and energy waste. Even your water heater can be smart: models like the Rheem Smart Water Heater learn your hot water usage patterns and heat water only when needed, saving up to 30% on water heating costs.
Obviously, these are bigger investments. But if an appliance is more than 10 years old, upgrading to a smart, Energy Star-certified model can pay for itself in energy savings within 3–5 years.
7. Smart Sensors: Detect and Act Against Waste
Sometimes the biggest energy waste happens when you’re not even thinking about it. That’s where smart sensors come in. Door and window sensors can be linked to your thermostat to automatically turn off heating or cooling when a window is left open.
Motion sensors can trigger your lighting and even your thermostat. For instance, if no motion is detected in the house for 30 minutes, the system can switch to eco mode. When someone returns, it brings the temperature back to your comfort level.
Water leak sensors also fall into this category. A small leak left unnoticed can waste hundreds of gallons of water and drive up your water heater’s energy usage. Detecting it early saves both water and electricity.
Some great options include the Aeotec SmartThings Multipurpose Sensor and Philips Hue Motion Sensor.
Frequently Asked Questions
1. Do smart home devices really save money on electricity bills?
Yes, when used correctly. The best smart home devices to save on electricity bills can reduce your usage by 10% to 20% on average. The key is actually using the scheduling and automation features—buying them alone doesn’t help.
2. Which smart home device saves the most electricity?
Smart thermostats typically offer the greatest savings because heating and cooling consume the most energy. With an average annual saving of $130 to $200, they pay for themselves quickly.
3. Can I control smart plugs remotely?
Absolutely. Most smart plugs work with Wi-Fi and let you turn them on or off from anywhere using a smartphone app. You can also set timers and schedules.
4. Do smart bulbs use electricity when turned off?
Yes, but very little—typically less than 0.5 watts in standby mode. That’s not enough to worry about. The savings from dimming and scheduling far outweigh this tiny drain.
5. Is a smart home hub necessary for energy savings?
No, but it helps. You can save energy using individual smart plugs and bulbs with their own apps. A hub just makes it easier to create complex automations that cover your entire home.
6. Are smart appliances worth the higher upfront cost?
Usually, yes, especially if you’re replacing an older model. Smart appliances are often more energy-efficient by design, and the automation features help you avoid waste. Over their lifespan, they can offset the price difference.
7. Do I need professional installation for these devices?
Most smart home devices are designed for DIY installation. Smart plugs, bulbs, and sensors take minutes to set up. Smart thermostats may require a bit more effort but are still manageable for most people. Some utilities even offer free installation.
8. Can smart home automation work with my existing appliances?
Partially. Smart plugs and power strips work with any regular appliance that plugs into an outlet. For major appliances like HVAC systems or water heaters, you’ll usually need a compatible smart model or a retrofit add-on.
Conclusion
Cutting your electricity bill doesn’t have to mean freezing in winter or sitting in the dark. The best smart home devices to save on electricity bills give you effortless control over your energy usage. They learn your habits, adapt in real time, and shut off things you’d forget about.
Start with one or two devices—a smart thermostat and a few smart plugs are the sweet spot for most homes. You’ll likely see immediate results in your monthly statement. Then expand gradually as you find more areas of waste.
The sooner you automate, the faster you save. And with energy prices trending upward, there’s no better time than now to make your home a little smarter.