What’s the Difference Between Whole-House and Plug-In Surge Protectors?

There are two types of surge protectors to choose from: whole-house surge protectors and plug-in surge protectors. Here at Mr. Electric, we are conversant with the workings of the two types of surge protectors. Today, we’ll look at their differences to help you make the right choice. Remember, we are the specialists you can trust when you need reliable surge protection installation.

What Are Whole-House Surge Protectors?

Whole-house surge protectors are installed directly into your home’s electrical panel, where they can stop surges at their source before they reach your outlets, devices, or appliances. These systems offer comprehensive protection against both internal and external surges, such as those caused by lightning strikes, downed power lines, or fluctuations in the power grid. Since they’re installed at the main service panel, they can protect your HVAC system, refrigerator, washer and dryer, water heater, and even hardwired electronics. Whole-house surge protectors typically require professional installation by a licensed electrician, as they are integrated into your electrical infrastructure and must comply with local electrical codes.

Benefits of Whole-House Surge Protectors

One of the major advantages of whole-house surge protectors is their complete coverage. Instead of plugging in each appliance or relying on individual power strips, you get a layer of protection that works throughout your home. They also have a much higher energy absorption capacity than plug-in models, which means they can handle large surges without failing. This makes them particularly beneficial for homeowners in areas with frequent lightning storms or unreliable utility power. Whole-house surge protectors also tend to last longer and can be paired with localized protection for sensitive electronics for even greater peace of mind.

What Are Plug-In Surge Protectors?

Plug-in surge protectors, on the other hand, are the most familiar type. These are the power strips you plug into an outlet, often with multiple sockets for your devices. They’re a convenient, low-cost solution for protecting electronics such as TVs, computers, gaming consoles, and other plug-in devices from smaller power surges. Plug-in surge protectors use components like metal oxide varistors to absorb excess voltage and divert it safely to the ground.

Limitations of Plug-In Surge Protectors

The downside of plug-in surge protectors is that they only protect the devices directly connected to them. Larger appliances or hardwired systems, such as an air conditioner or oven, will remain vulnerable. Over time, their ability to absorb surges diminishes, especially if they’re exposed to frequent small surges. Many homeowners are unaware that surge protectors wear out and need to be replaced periodically to stay effective.

Which Type Should You Choose?

So, which one should you choose? In most homes, the best approach is a combination of both. A professionally installed whole-house surge protector offers strong first-line defense for the entire electrical system, while plug-in surge protectors provide extra protection for delicate electronics in specific rooms. This layered approach helps ensure that no matter where a surge originates, your electrical system and valuable devices are covered. If you need help with choosing the right surge protection system, get in touch with a local electrical service company.

Rely on Mr. Electric for Surge Protection Installation Services

Mr. Electric has served homeowners and businesses for over 10 years, delivering excellent services every time. Over the decades, we have built a reputation for being the go-to electrical service company in the areas we serve. From quality workmanship to free estimates and satisfaction guarantees, we do everything we can to deliver exceptional services. We are also the experts to call when you need electrical repair in your home or business. Contact us now to schedule an appointment.