Best Whole House Surge Protector: Top 7 of 2020

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A good whole house surge protector will automatically reduce the damage of an electrical surge.

An easy to install system, a high surge capacity, and multiple modes of protection. These are all key features of a high-quality whole house surge protector.

On the other hand, a bad surge protector will blow up in under 3 months of use, have a low surge protection rating, and leads to a bunch of broken appliances.

We’re here to help. We’ve reviewed the top 7 Whole House Surge Protectors of 2020.

Buy with confidence knowing that your whole house surge protector will keep your appliances safe even when you’re not at home. Let’s jump straight into the reviews.

best overall rating
Square D Whole House Surge Protector
  • 80kA Surge Protection Rating
  • LED Lights Provide Full Feedback
  • CSA 3rd Edition Type 1 SPD approved
premium choice rating
Leviton Whole House Surge Protector
  • 10kA Short Circuit Current Rating
  • 50k Surge Current Capacity
  • Connected Equipment Coverage
great value rating
Eaton Whole House Surge Protector
  • Four modes of protection
  • Great value for the money (bargain)
  • Bright LED lights to indicate its status

Top 7 Best Whole House Surge Protector

Square D Whole House Surge Protector – Best Overall

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Square D by Schneider Electric HEPD80 Home Electronics Protective...
  • Equal protection to circuits and receptacles throughout home. Protects appliances/equipment that are not plugged into a surge strip
  • Includes an LED indicator
  • NEMA 4X rated for outdoor/indoor use, 80,000 amp Surge Current Rating, 25,000 amp SCCR. CSA and UL 1449 3rd Edition Type 1 SPD

The Square D Whole House Surge Protector is an affordable surge protector that’s made for residential load centers. You’ll be glad to know that it’s rated for both indoor and outdoor usage and can withstand harsh conditions that stem from a variety of circumstances.

For important power sensitive items that can’t use plug strip setups such as stoves, refrigerators, washers, and dryers, this is the best alternative. The Square D Whole House Surge Protector helps reduce surges that would damage household connected appliances and overwhelm plug strips.

The Square D Whole House Surge Protector is the best product on this list. Why? Even if you have a basic level of electrical knowledge, this device can be set up beside the load center with ease.

Feedback is an important feature to have with a surge protector. The LED lights are easy to read and give you real-time feedback. When the light is green, you can rest assured that it’s working. Once it turns red, its time to replace it.

Need a surge protector that’s small and compact? The Square D Whole House Surge Protector is designed to fit in virtually any beaker panel. So you don’t have to worry about buying a bulky surge protection device that might not fit your panel.

With a 5 year warranty attached with it, the Square D Whole House Surge Protector has more protection than you think. If a lightning strike occurs near your home and it fails to protect the surge spike, you’re covered to about $50,000 for all of your electrical equipment that was fried.

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What We Like
  • 80,000 amp surge current and 80kA surge protection rating
  • LED lights provide full feedback
  • CSA 3rd Edition Type 1 SPD approved
  • Compact size
What We Don’t Like
  • LED brightness can be difficult to see, but newer models have fixed this issue

Leviton Whole House Surge Protector – Premium Choice

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Leviton 51120-1 120/240 Volt Panel Protector, 4-Mode Protection, Light...
  • 120/240 Volt Panel Protector 4-Mode Protection
  • Real time diagnostic visual indicator shows power and suppression status for each protected phase
  • Standard J-Box metal enclosures

When you’re using thousands of dollars worth of electrical equipment in your home, you’re going to need a whole house surge protector if you want to be on the safe side. One lightning strike and you could lose your desktop computer, TV, or your gaming system. The best product for mitigating any danger caused by electrical failures is the Leviton Whole House Surge Protector.

Leviton created this surge panel to protect your home from high voltage spikes – making it ideal for devices such as LED and LCD televisions, PDA products, and computers. 

Plus it features a real-time visual indicator that shows the suppression status and power for the device’s protected phase. This 51120-1 surge panel has been created to exacting standards and is compliant with the UL 1449 standard (3rd edition).

For added durability, it has a metal case that keeps the unit protected in the event of an emergency. The enclosure helps make the connection to your current panel convenient and safe. 

While the Leviton Whole House Surge Protector can protect your devices from direct lightning, it doesn’t stop there. It gives you surge diversion for your main power sources on the grid.

You can use this surge protector to protect communication lines and AC power connections. With its 4-mode protection mechanism, you don’t have to worry about your appliances becoming destroyed easily.

Each surge protector comes with a limited lifetime warranty. This ensures that you’ll be refunded for the surge and your appliances if they are damaged by a lightning strike. For premium quality reliability and responsive support in the event of an emergency, its best to choose the Leviton Whole House Surge Protector.

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What We Like
  • 10kA Short Circuit Current Rating
  • 50k Surge Current Capacity
  • Connected Equipment Coverage
  • Limited Lifetime Warranty
What We Don’t Like
  • For indoor use only

Eaton Whole House Surge Protector – Great Value

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EATON CHSPT2ULTRA Ultimate Surge Protection 3rd Edition, 2.38" Length,...
  • Universally connects to any manufacturer’s load center (breaker box)
  • Easy to use
  • High quality product

Homeowners that want complete surge protection in their house without breaking their wallet should take a look at this product. It comes with a 22kA SSCR which is good because the currents from short circuits won’t reach the currents from power spikes. Since it boasts a 22kA rating, it’s rated higher quality than most brands in the industry. 

Another important feature is its voltage protection rating (L-N: 600V / L-G: 600V / L-L: 1000V / N-G: 800V). Eaton Whole House Surge Protector’s VPR is compared to surge protectors in malls, it’s obvious that its better suited to handle power surges than its competition. 

With its maximum surge capacity at 108 kA, rest assured that your appliances are fully protected. The installation process is easy, but we’d suggest you hire an electrician to reduce any problems. 

When installing, make sure to connect the surge protector close to the ground and have the neutral (white) wires enter the bus bars. If your home has a larger beaker with a #14 wire, then this is the ideal surge protector for you. 

Keep in mind, that you might have to purchase an additional circuit breaker to ensure that this device fits your power panel correctly. When factoring in reliability and your budget, the Eaton Whole House Surge Protector is the best choice.

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What We Like
  • 4 modes of protection
  • Its SSCR is 22kA
  • Bright LED lights to indicate its status
  • Universally defends all the electronics in your home
What We Don’t Like
  • The wires can be short, making it difficult to connect to a 50 amp breaker and/or the ground/neutral bars

Siemens Whole House Surge Protector

Siemens FS140 Whole House Surge Protection
  • First Surge Surge Protective Devices (SPDs) are Type 2 and UL / cUL 1449 listed, meeting designated protection requirements
  • Get 3 stage commercial grade notification for your commercial or residential applications
  • Compatible with any brand of load center and breakers

The Siemens Whole House Surge Protector provides full house protection for standard residential split systems. Installation is not an issue as you can install it to the load center of your house’s electrical system. Because of this, it can prevent surges before it reaches your home. 

In need of some added durability? It has a commercial grade enclosure making it a great choice for both inside and outside installation. This adds a bit of versatility to the device, as it can provide protection as long as it’s installed correctly. 

One feature that sets it apart from the competition is its three-stage notification diagnostic (Red Flashing LED, Audible Alarm, LEDs). When the device is no longer able to provide protection, it immediately provides an alert through the red flashing LEDs and audible alarms.

With its fast response time in under a nanosecond, rest assured that your electrical appliances are in safe hands. When a dangerous power surge comes through the load center, it will block it almost instantly. 

Some consumers have found fault with the protector’s threads as they appear to be stripped when unboxing. If you find this issue, don’t hesitate to call for a replace. The Siemens Whole House Surge Protector is backed by a 10 year product warranty, so this will give you a better peace of mind than most of its competitors. 

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What We Like
  • 14,000 Amp Surge Protection Rating
  • 3 Stage Commercial Grade Notifications
What We Don’t Like
  • The audible alarm doesn’t include a button

Cutler Hammer Whole House Surge Protector

CUTLER HAMMER CUT CHSA SURGE ARRESTER
  • CUTLER HAMMER CUT CHSA SURGE ARRESTER

The Cutler Hammer Whole House Surge Protector is great for single phase 120-40 Vac systems. This system supports installation as close to where the power enters the box for maximum protection. 

Also, the Cutler Hammer Whole House Surge Protector is suitable for protecting common household appliances such as home computers, microwave ovens, and refrigerators. Thus, saving over thousands of dollars of important equipment from direct surges regardless of the source of the failure. That said you should still consider a dedicated surge protector for these appliances to prevent internal surges from causing damage (you can check out our guides on the best surge protector for refrigerators and best surge protector for washing machines for more information).

Once it is plugged in, it will provide surge protection for the entire load center. If your electric internal components are damaged, then the LED visual indicators will flash showing that it’s in need of a replacement. 

Safety-wise, it does meet the UL 1449 standards and is classified as a Type 2 SPD Plug-On Surge Protection. Thus, making it easy to plug and set this device on your beaker without much hassle. 

While its 1 year warranty is useful, you’re better off using this as a replacement surge protector. It’s a panel surge arrestor, making it easy for electricians to keep everything under control during a surge. 

This beaker is only designed to fit a CH type hammer box, which can be limiting for some electricians. It won’t fit a cutler hammer br panel or any other non ch hammer panel.

When installing, make sure that it’s placed right on the beaker box before using it. With an insulated screwdriver, you’ll find it easier to install as it will prevent any unnecessary shocks from happening.

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What We Like
  • 25,000 Amps of Surge Protection
  • Quick installation
What We Don’t Like
  • Only suited for CH breaker boxes

GE Whole House Surge Protector

Next on our list is the GE Whole House Surge Protector. It’s an inexpensive line of defense against direct surges. For instance, it can be installed on a Square D panel and will provide enough protection for all of your appliances. 

Installation in the breaker box is straightforward and easy. Snap it into a double pole breaker space then connect the white wire to the ground. On average, it will take at least 10 minutes to install it correctly. 

However, some customers have expressed their concern about this product. There have been some reports about the surge protector breaking after unboxing it. If this occurs, make sure you get a replacement. 

The GE Whole House Surge Protector is useful for GE breaker boxes that work with national electrical codes. Its indicator light illuminates after the main breaker was turned on. 

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What We Like
  • Simple installation
  • Light notifications
What We Don’t Like
  • Low durability

Intermatic Whole House Surge Protector

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Intermatic Smart Guard IG2240-IMSK Whole Home...
  • TPMOV surge protection technology
  • Includes three IModules with LED power and protection status lights
  • IModules replace quickly and easily, eliminating the need to install a new SPD unit

Keep your appliances safe with the Intermatic Whole House Surge Protector. This consists of a Type 1 enclosure which can be used on metal surfaces and stay safe from unwanted surges. 

With over six modes of protection, you’ll have a versatile surge protector at your disposal. The IModules can be easily replaced and installed, eliminating the need to spend hours installing a new SPD unit. 

The Intermatic Whole House Surge Protector is designed to keep voltage spikes at a certain level. Through its TPMOV (Thermally Protected Metal Oxide Varistor), the device prevents hazardous failure that is associated with MOV technology. 

Make sure you have the proper wiring connection needed before using this device. Once installed, you’ll have its tamper proof module doors that keep the surge protector safe and your appliances in order.

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What We Like
  • Six modes of protection
  • Durable SPV Unit
What We Don’t Like
  • Difficult installation

About Blake Sutton

Blake has worked as an electrician for over 10 years, receiving his Journeyman Electrician license in 1998. Looking to take his professional electrical career further, in 2008 he received his Bachelor of Science in Electrical Engineering (BSEE) from the University of Texas in Austin. Blake now works full time as an electrical engineer, specializing in power systems.