Updated:March, 2026

10 Best Whole House Surge Protector Cost of 2026

Best Choice

9.9

Outstanding

Schneider Electric

Square D HEPD80 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire for 120/240V, 80kA

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Why We Love It

WHOLE HOME SURGE SUPPRESSOR: The Square D Whole Home Electronics Protective Device is a compact surge suppressor designed for installation in any residential load centre. It protects and provides surge suppression for electronic and electrical appliances that are not connected to surge strips.
DOWNSTREAM PROTECTION: Unlike individual power strip surge protectors that only shield a limited number of devices plugged into them, the Square D HEPD safeguards all electrical devices connected to your homes system. Computers, televisions, kitchen appliances, HVAC systems, security systems, smart home devices, and more are all protected under this suppressor.
APPLIANCE LIFESPAN ENHANCEMENT: By preventing damaging voltage spikes, a surge suppressor extends the lifespan of your electronic devices and appliances. It can save you time and money by reducing the need for frequent replacements and repairs. Not to mention this device can significantly reduce the risk of hazardous situations, such as fires, thereby protecting your entire home.
PEACE OF MIND: Knowing that your entire home is protected from electrical surges provides peace of mind, especially during severe weather conditions or when the risk of surges is higher. This HEPD is easy to install into the load centre of your home. The LED status indicator on the device will allow you to immediately tell when a replacement is needed.
POWERING SOLUTIONS: At Schneider Electric, our purpose is to empower all to make the most of our energy and resources. Individuals and businesses alike can benefit from the integrity and reliability of our extensive line of products. We create tools to aid you in your day-to-day operations and keep things running smoothly!

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Why We Love It

WHOLE HOME SURGE SUPPRESSOR: The Square D Whole Home Electronics Protective Device is a compact surge suppressor designed for installation in any residential load centre. It protects and provides surge suppression for electronic and electrical appliances that are not connected to surge strips.
DOWNSTREAM PROTECTION: Unlike individual power strip surge protectors that only shield a limited number of devices plugged into them, the Square D HEPD safeguards all electrical devices connected to your homes system. Computers, televisions, kitchen appliances, HVAC systems, security systems, smart home devices, and more are all protected under this suppressor.
APPLIANCE LIFESPAN ENHANCEMENT: By preventing damaging voltage spikes, a surge suppressor extends the lifespan of your electronic devices and appliances. It can save you time and money by reducing the need for frequent replacements and repairs. Not to mention this device can significantly reduce the risk of hazardous situations, such as fires, thereby protecting your entire home.
PEACE OF MIND: Knowing that your entire home is protected from electrical surges provides peace of mind, especially during severe weather conditions or when the risk of surges is higher. This HEPD is easy to install into the load centre of your home. The LED status indicator on the device will allow you to immediately tell when a replacement is needed.
POWERING SOLUTIONS: At Schneider Electric, our purpose is to empower all to make the most of our energy and resources. Individuals and businesses alike can benefit from the integrity and reliability of our extensive line of products. We create tools to aid you in your day-to-day operations and keep things running smoothly!

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9.5

Excellent

Furniqro

Furniqro FHSPD36S Whole House Surge Protector for 36,000 Amps, Ultimate Surge Protection, Whole Home Surge Protector, Indoor/Outdoor Use, 120/240V

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Main Highlights

Whole Home Surge Suppressor: FHSPD36S is a compact whole-home surge protector that safeguards all electrical devices connected to your home system, including computers, security systems, TVs, kitchen appliances, HVAC systems, and smart home devices
High-Capacity Compact Design: The FHSPD36S offers a sleek, compact design that saves space while delivering a robust capacity of up to 36,000 Amps, seamlessly combining high capacity with a smaller footprint
High Compatibility and Adaptability: This whole house surge protector is compatible with all brands of load centers and circuit breakers, designed for surge protection in 120/240V, 60Hz systems. Its commercial-grade enclosure offers high adaptability for both indoor and outdoor installations
Reliable and Effective Protection: With clear LED status indicators, you can monitor your home's protection. This device effectively prevents destructive voltage spikes, thereby reducing the need for frequent appliance replacements and repairs, saving you time and money. Additionally, it helps mitigate the impact of extreme weather conditions like thunderstorms, safeguarding your entire home
High-Quality After-Sales Service: If your SPD experiences startup issues, they are typically caused by grounding or misuse. It's important that any electrician working in your home is familiar with surge protector protocols. For assistance, please contact us directly for excellent after-sales support

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Main Highlights

Whole Home Surge Suppressor: FHSPD36S is a compact whole-home surge protector that safeguards all electrical devices connected to your home system, including computers, security systems, TVs, kitchen appliances, HVAC systems, and smart home devices
High-Capacity Compact Design: The FHSPD36S offers a sleek, compact design that saves space while delivering a robust capacity of up to 36,000 Amps, seamlessly combining high capacity with a smaller footprint
High Compatibility and Adaptability: This whole house surge protector is compatible with all brands of load centers and circuit breakers, designed for surge protection in 120/240V, 60Hz systems. Its commercial-grade enclosure offers high adaptability for both indoor and outdoor installations
Reliable and Effective Protection: With clear LED status indicators, you can monitor your home's protection. This device effectively prevents destructive voltage spikes, thereby reducing the need for frequent appliance replacements and repairs, saving you time and money. Additionally, it helps mitigate the impact of extreme weather conditions like thunderstorms, safeguarding your entire home
High-Quality After-Sales Service: If your SPD experiences startup issues, they are typically caused by grounding or misuse. It's important that any electrician working in your home is familiar with surge protector protocols. For assistance, please contact us directly for excellent after-sales support

9.5

Excellent

Furniqro

Furniqro FHSPD108S Whole House Surge Protector for 108,000 Amps, Ultimate Surge Protection, Whole Home Surge Protector for Indoor/Outdoor Use, 120/240V

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Main Highlights

Whole House Surge Protector: FHSPD108S is a compact whole-home surge protector that safeguards electrical devices connected to your home system
High-Capacity Compact Design: The FHSPD108S features a sleek and compact form factor that saves space while delivering a robust capacity of up to 108,000 Amps. It combines high capacity with a smaller footprint seamlessly
High Compatibility and Adaptability: This whole house surge protector is compatible with any brand of load centers and circuit breakers, designed specifically for surge protection at 120/240V, 60Hz system voltages. Its commercial-grade enclosure offers high adaptability for both indoor and outdoor installations
Reliable and Effective Protection: With clear LED status indicators, you'll know your home is being protected. Its true value lies in preventing destructive voltage spikes, reducing the need for frequent appliance replacements and repairs, saving you time and money. Moreover, this device significantly mitigates the impact of extreme weather conditions like thunderstorms, safeguarding your entire home
High-Quality After-Sales Service: If your SPD experiences startup issues, they are typically caused by grounding or misuse. It's important that any electrician working in your home is familiar with surge protector protocols. For assistance, please contact us directly for excellent after-sales support

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Main Highlights

Whole House Surge Protector: FHSPD108S is a compact whole-home surge protector that safeguards electrical devices connected to your home system
High-Capacity Compact Design: The FHSPD108S features a sleek and compact form factor that saves space while delivering a robust capacity of up to 108,000 Amps. It combines high capacity with a smaller footprint seamlessly
High Compatibility and Adaptability: This whole house surge protector is compatible with any brand of load centers and circuit breakers, designed specifically for surge protection at 120/240V, 60Hz system voltages. Its commercial-grade enclosure offers high adaptability for both indoor and outdoor installations
Reliable and Effective Protection: With clear LED status indicators, you'll know your home is being protected. Its true value lies in preventing destructive voltage spikes, reducing the need for frequent appliance replacements and repairs, saving you time and money. Moreover, this device significantly mitigates the impact of extreme weather conditions like thunderstorms, safeguarding your entire home
High-Quality After-Sales Service: If your SPD experiences startup issues, they are typically caused by grounding or misuse. It's important that any electrician working in your home is familiar with surge protector protocols. For assistance, please contact us directly for excellent after-sales support

9.2

Excellent

EvoDevice

WiFi Whole House Surge Protector,108,000 Amps/Phase, 2820 Joules (Total), Thermally Protected Metal Oxide Varistors,Surge Times,Check Surge Times and Voltage by Smart Phone

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Main Highlights

Real-time Surge Monitoring via WiFi(2.4G). Easily track the number of surge events through WiFi using the TUYA app. When a surge occurs, you'll receive instant notificationsjust make sure app notifications are enabled. Frequent surges may point to unstable power or weak surge protection. To protect your devices from potential long-term damage, unplug key appliances when this happens.
High-Capacity Surge Protection. Designed for 120/240V systems, this Type 2 SPD offers robust protection with a total energy rating of 2820 Joules and up to 108kA per phase.
Built-in Surge Event Logger. Keeps a record of surge occurrences, helping you understand how often power spikes happen in your environmentideal for evaluating the reliability of your power supply.
Voltage Display Function. Continuously displays the current AC voltage level, so you always know what voltage your devices are receiving.
Advanced Protection Components. Equipped with 12 high-quality thermally protected MOVs from Taiwan. These components offer strong energy absorption, faster response to surges, reduced overload risk, and greater overall durability for long-term peace of mind.

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Main Highlights

Real-time Surge Monitoring via WiFi(2.4G). Easily track the number of surge events through WiFi using the TUYA app. When a surge occurs, you'll receive instant notificationsjust make sure app notifications are enabled. Frequent surges may point to unstable power or weak surge protection. To protect your devices from potential long-term damage, unplug key appliances when this happens.
High-Capacity Surge Protection. Designed for 120/240V systems, this Type 2 SPD offers robust protection with a total energy rating of 2820 Joules and up to 108kA per phase.
Built-in Surge Event Logger. Keeps a record of surge occurrences, helping you understand how often power spikes happen in your environmentideal for evaluating the reliability of your power supply.
Voltage Display Function. Continuously displays the current AC voltage level, so you always know what voltage your devices are receiving.
Advanced Protection Components. Equipped with 12 high-quality thermally protected MOVs from Taiwan. These components offer strong energy absorption, faster response to surges, reduced overload risk, and greater overall durability for long-term peace of mind.

9.0

Excellent

Furniqro

FHSPD140 Whole House Surge Protector FS140 Whole House Surge Protection Device Rated for 140,000 Amps, Whole Home Surge Protector, Indoor/Outdoor Use, 120/240V

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Main Highlights

Whole House Surge Protector: The FHSPD140 protects all your home's electrical devices, including computers, security systems, TVs, kitchen appliances, HVAC, and smart home tech
Reliable Protection: This device prevents harmful voltage spikes, reducing the need for costly repairs and replacements, saving you time and money while shielding your home from severe weather impacts
High-Performance Design: With a surge capacity of up to 140,000 amps per phase, it features an audible alarm and LED indicators to let you know your home is protected, giving you peace of mind
Versatile Compatibility: Compatible with all brands of load centers and circuit breakers, this surge protector is designed for 120/240V, 60Hz systems, and its durable enclosure suits both indoor and outdoor installations. Can replacement for Siemens surge protector
Quality After-Sales Support: If you encounter startup issues, it may be due to grounding or misuse. Make sure your electrician is familiar with surge protection protocols. For help, please contact us directly for after-sales support

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Main Highlights

Whole House Surge Protector: The FHSPD140 protects all your home's electrical devices, including computers, security systems, TVs, kitchen appliances, HVAC, and smart home tech
Reliable Protection: This device prevents harmful voltage spikes, reducing the need for costly repairs and replacements, saving you time and money while shielding your home from severe weather impacts
High-Performance Design: With a surge capacity of up to 140,000 amps per phase, it features an audible alarm and LED indicators to let you know your home is protected, giving you peace of mind
Versatile Compatibility: Compatible with all brands of load centers and circuit breakers, this surge protector is designed for 120/240V, 60Hz systems, and its durable enclosure suits both indoor and outdoor installations. Can replacement for Siemens surge protector
Quality After-Sales Support: If you encounter startup issues, it may be due to grounding or misuse. Make sure your electrician is familiar with surge protection protocols. For help, please contact us directly for after-sales support

8.8

Very Good

ProSurge

Whole House Surge Protector,HVAC Surge Protector, 200K Amps(SCCR),100KA(Surge Capacity per Phase),Single-Phase(or Split Phase),3-Wire for 120/240V

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Main Highlights

The SPD is extremely compact UL Type 1 or Type 2 Surge Protective Devices (SPDs) designed to protect Single phase (or Split phase) electrical distribution systems. It can be installed outdoors or indoors.
The SPD is equipped with the patented 20PTMOV which has a thermally protection and arc extinguishing technology.
Single phase (or Split phase) ,120/240Vac,100KA(Surge Capacity per Phase),200KAShort-circuit current rating).
The SPD is constructed in a waterproof plastic enclosure, with a LED light to demonstrate the protection status.
Type 1 or Type 2 Surge Protective Devices (SPDs) according to UL 1449 5th (US) and CSA (Canadian).

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Main Highlights

The SPD is extremely compact UL Type 1 or Type 2 Surge Protective Devices (SPDs) designed to protect Single phase (or Split phase) electrical distribution systems. It can be installed outdoors or indoors.
The SPD is equipped with the patented 20PTMOV which has a thermally protection and arc extinguishing technology.
Single phase (or Split phase) ,120/240Vac,100KA(Surge Capacity per Phase),200KAShort-circuit current rating).
The SPD is constructed in a waterproof plastic enclosure, with a LED light to demonstrate the protection status.
Type 1 or Type 2 Surge Protective Devices (SPDs) according to UL 1449 5th (US) and CSA (Canadian).

8.6

Very Good

SIEMENS

Siemens QSA2020SPD Whole House Surge Protection with Two 20-Amp Circuit Breakers for Use Only on Siemens Panels

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Main Highlights

Provides whole house surge protection
Takes up the space of two standard single pole breakers, but also includes two single pole breakers.150 VAC, 40 mm metal oxide varistors
The SPD device protects the entire panel and all branch circuits from surges
Initial clamping level is 240 volts
Handy LED lights provide protection status notification

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Main Highlights

Provides whole house surge protection
Takes up the space of two standard single pole breakers, but also includes two single pole breakers.150 VAC, 40 mm metal oxide varistors
The SPD device protects the entire panel and all branch circuits from surges
Initial clamping level is 240 volts
Handy LED lights provide protection status notification

8.3

Very Good

Gloyatin

HSPD Square Whole Home Surge Protective Device, Type 1 SPD, Whole House Surge Protector, AC Surge Protection, 120/240VAC (HSPD-25)

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Main Highlights

Whole House Surge Protection: The HSPD is a whole-house surge protector that provides surge protection for all appliances connected to the electrical system
Compact High-Capacity Design: The HSPD offers high capacity while maintaining a compact design. With a surge capacity of up to 25/50/80kA, it saves space without compromising performance
High Compatibility: The HSPD is compatible with circuit breakers from any brand. Its durable casing makes it suitable for both indoor and outdoor installations
Ultimate Protection Module: The U-SPM is the core technology of the HSPD. It effectively absorbs voltage spikes, extending the lifespan of electronic devices and appliances, reducing the need for frequent replacements and repairs. This saves you time and money
After-Sales Service: If you need assistance, please contact us directly. We will provide you with high-quality after-sales support

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Main Highlights

Whole House Surge Protection: The HSPD is a whole-house surge protector that provides surge protection for all appliances connected to the electrical system
Compact High-Capacity Design: The HSPD offers high capacity while maintaining a compact design. With a surge capacity of up to 25/50/80kA, it saves space without compromising performance
High Compatibility: The HSPD is compatible with circuit breakers from any brand. Its durable casing makes it suitable for both indoor and outdoor installations
Ultimate Protection Module: The U-SPM is the core technology of the HSPD. It effectively absorbs voltage spikes, extending the lifespan of electronic devices and appliances, reducing the need for frequent replacements and repairs. This saves you time and money
After-Sales Service: If you need assistance, please contact us directly. We will provide you with high-quality after-sales support

8.1

Very Good

EvoDevice

EVOSPD2SURGE Whole House Surge Protector for 72,000 Amps/Phase.1880 Joules (Total).Thermally Proteced Metal Oxide Varistors,120/240V

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Main Highlights

120/240V Type 2 Surge Protective Device. Provides powerful surge protection with a rating of 72kA per phase and a total energy absorption of 1880 Joulesideal for residential and light commercial electrical systems.
Premium Surge Protection Components. Built with 8 high-quality Thermally Protected MOVs sourced from Taiwan, offering excellent energy dissipation, fast reaction to surges of varying intensity, increased redundancy, reduced risk of thermal failure, and an extended operational lifespan.
At-a-Glance Protection Status. Stay confident with a simple green LED status light that clearly shows when your system is protected. Quick visual checks mean youre always informed about the condition of your surge defense.
Wide Compatibility. Universally designed to fit load centers from all major electrical panel manufacturers, making it an easy and flexible addition to any setup.

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Main Highlights

120/240V Type 2 Surge Protective Device. Provides powerful surge protection with a rating of 72kA per phase and a total energy absorption of 1880 Joulesideal for residential and light commercial electrical systems.
Premium Surge Protection Components. Built with 8 high-quality Thermally Protected MOVs sourced from Taiwan, offering excellent energy dissipation, fast reaction to surges of varying intensity, increased redundancy, reduced risk of thermal failure, and an extended operational lifespan.
At-a-Glance Protection Status. Stay confident with a simple green LED status light that clearly shows when your system is protected. Quick visual checks mean youre always informed about the condition of your surge defense.
Wide Compatibility. Universally designed to fit load centers from all major electrical panel manufacturers, making it an easy and flexible addition to any setup.

8.1

Very Good

Bzcovac

QSPD2A035B 35kA Indoor Surge Protective Device for Siemens, Whole House Surge Protector Breaker for Electrical Panel

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Main Highlights

Whole-Home Surge Protection - Designed to be installed inside your electrical panel, this device safeguards all circuits in your home, office, or RV from high-energy surges, providing comprehensive protection beyond individual plug-in protectors
35kA High Surge Current Capacity - With a maximum surge current rating of 35,000 Amps, the SPD handles lightning strikes, utility surges, and switching transients, ensuring your connected devices remain safe
Mechanical Status Indicator - Built-in green/red mechanical flags let you visually confirm the SPDs operational status. Green indicates normal function; red signals that the device has experienced a surge and needs replacement
Easy Panel-Mounted Installation - Occupying only two breaker slots, the unit installs quickly in most Siemens load centers. Simply connect the white wire to the neutral bus bar for immediate protection
Indoor Bolt-On Design - Compact indoor SPD module with a bolt-on mounting structure for straightforward installation on most compatible load centers, improving panel protection without taking additional space
Protects Whole-Home Equipment - Helps safeguard appliances, HVAC systems, electronics, lighting, and other connected circuits from transient overvoltage events

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Main Highlights

Whole-Home Surge Protection - Designed to be installed inside your electrical panel, this device safeguards all circuits in your home, office, or RV from high-energy surges, providing comprehensive protection beyond individual plug-in protectors
35kA High Surge Current Capacity - With a maximum surge current rating of 35,000 Amps, the SPD handles lightning strikes, utility surges, and switching transients, ensuring your connected devices remain safe
Mechanical Status Indicator - Built-in green/red mechanical flags let you visually confirm the SPDs operational status. Green indicates normal function; red signals that the device has experienced a surge and needs replacement
Easy Panel-Mounted Installation - Occupying only two breaker slots, the unit installs quickly in most Siemens load centers. Simply connect the white wire to the neutral bus bar for immediate protection
Indoor Bolt-On Design - Compact indoor SPD module with a bolt-on mounting structure for straightforward installation on most compatible load centers, improving panel protection without taking additional space
Protects Whole-Home Equipment - Helps safeguard appliances, HVAC systems, electronics, lighting, and other connected circuits from transient overvoltage events

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