Should You Use a Smart Plug? Pros and Cons Explained

Published on August 3, 2025 • GreenEnergyTips.com

Smart plugs are one of the easiest ways to start building a smart home and reducing your electricity use. But are they really worth it? In this article, we break down how smart plugs work, their benefits, and some things to keep in mind before buying one.

What Is a Smart Plug?

A smart plug is a small device that plugs into a regular wall outlet. You then plug your appliance or device into the smart plug. From there, you can control the power remotely using an app or smart assistant like Alexa or Google Assistant.

What Can Smart Plugs Do?

• Turn devices on and off remotely
• Set schedules or timers
• Monitor energy usage (on some models)
• Control appliances via voice commands

Pros of Using a Smart Plug

1. Energy Savings

Smart plugs help eliminate standby power — also known as “phantom load” — which is the energy used by devices even when they’re turned off. By scheduling devices to turn off completely, you save energy and money.

2. Convenience

You can turn off forgotten appliances (like a curling iron or coffee maker) from your phone — no need to rush back home. You can also schedule lamps to turn on or off at set times for added comfort or security.

3. Energy Monitoring

Some smart plugs provide real-time energy data, so you can see how much electricity a particular device is using and adjust your habits accordingly.

4. Easy Automation

Smart plugs make it easy to automate parts of your home without investing in expensive systems. They're a great first step toward smarter energy use.

Cons of Using a Smart Plug

1. Limited Use with High-Power Devices

Smart plugs are best for small appliances. Avoid using them with high-wattage devices like space heaters, air conditioners, or large kitchen equipment unless the plug is specifically rated for that load.

2. Wi-Fi Dependence

Smart plugs require a stable internet connection. If your Wi-Fi goes down, so does remote control access. Some plugs offer local control via Bluetooth, but not all.

3. Privacy and App Permissions

Like any smart home device, smart plugs may collect data through their apps. Be sure to check the privacy policies of the brand you choose.

4. Initial Cost

While generally inexpensive, the cost can add up if you're buying multiple plugs for your home. However, many users find the long-term energy savings justify the investment.

Final Verdict

If you're looking for an easy way to cut energy waste, increase control over your devices, and explore smart home tech, smart plugs are a great place to start. Just make sure to choose a reliable brand and check compatibility with your devices.

Want to estimate how much you could save with smarter energy use? Try our WattWise Estimator now!