March 24, 2026
10 Best Whole House Electrical Surge Protector of 2026
Last Updated - March 24, 2026
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Schneider Electric
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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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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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Our Rankings
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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Our Rankings
Furniqro
Furniqro FHSPD72S Whole House Surge Protector for 72,000 Amps, Ultimate Surge Protection, Whole Home Surge Protector, Indoor/Outdoor Use, 120/240V
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Main Highlights
- Whole Home Surge Suppressor: FHSPD72S is a compact whole house surge protector that shields all electrical devices connected to your home system
- High-Capacity Compact Design: The FHSPD72S boasts a sleek, space-saving form factor that delivers a robust capacity of up to 72,000 amps, seamlessly blending high performance with efficient use of space
- High Compatibility and Adaptability: This whole-house surge protector is compatible with load centers and circuit breakers of all brands, specifically designed for surge protection in 120/240V, 60Hz electrical systems. Its commercial-grade housing is suitable for both indoor and outdoor installation
- Reliable and Effective Protection: With clear LED status indicators, you can easily monitor surge protection status. This device effectively guards against destructive voltage spikes, reducing the need for frequent appliance replacements and repairs, thereby saving you time and money. Additionally, it helps mitigate the impact of extreme weather conditions, such as 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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Our Rankings
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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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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Our Rankings
Eaton
Eaton CHSPT2SURGE SPD Type 2 Chsp Whole Home Surge Protector, Nema 4, Single Phase, 120/240 Volts, Ul 1449 3Rd Edition
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Main Highlights
- Ac power protection
- Universally connects to any manufacturers load center (breaker box)
- Quick connect designeasy to mount cable protection modules
- Country of origin: China
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Intermatic
Intermatic IG2240-IMSK Advanced Surge Protection with Easily Replaceable IMODULES - Intermatic Smart Guard IG2240-IMSK Whole Home Surge Protector, Black
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Main Highlights
- EASILY REPLACE IMODULES, NO NEW SPD UNIT REQUIRED - This surge protector comes with three IModules featuring LED lights for quick power and protection status indication. Easily replace IModules without the need for installing a new SPD unit.
- WALL-TO-WALL COVERAGE - When wired to the main electrical breaker panel, SMART GUARD protects all appliances, electronics, and electrical systems within a home or business, not just those connected to a point-of-use surge strip.
- EXTENDED WARRANTY FOR PEACE OF MIND - With a $50,000 connected equipment warranty for 10 years, this surge protector offers reliable coverage, providing peace of mind for your appliances and electronics.
- CONVENIENT DISCONNECT SWITCH - The included Module Power Switch on IG2240-IMSK allows for the convenient disconnection of power when replacing IModules, ensuring hassle-free maintenance.
- DURABLE AND TAMPER-PROOF DESIGN - The surge protector features a Type 1 Enclosure suitable for indoor metal applications, ensuring robust protection. Tamper-proof IMODULE doors add an extra layer of security.
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Our Rankings
Square D
Square D by Schneider Electric HEPD50 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire + Ground for 120/240V, 50kA, Black
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Main Highlights
- The HEPD50 is easily connected to any brand of residential load center and provides the customer a green status LED to ensure proper protection
- Includes an LED indicator
- NEMA 4X rated for outdoor/indoor use, 50,000 amp Surge Current Rating, 25,000 amp SCCR. CSA and UL 1449 3rd Edition Type 1 SPD
- Manufacturers product warranty of 3 years and 50,000 residential downline warranty
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Our Rankings
Schneider Electric
Square D by Schneider Electric HOM2175SB Homeline SurgeBreaker, Surge Protection Device, 25kA, 120/240V, 1-Phase, 3-Wire
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Main Highlights
- Equal protection to circuits and receptacles throughout home
- Includes an LED indicator
- Can be used in service entrance locations, CSEDs and Homeline load centers
- Plug-on installation, requires 2 spaces
- UL 1449 3rd Edition Listed