10 Best surge protection devices of 2025

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1

SIEMENS
Siemens Boltshield FSPD140 Level 2 Whole House Surge Protection Device Rated for 140,000 Amps, 120/240V
Main highlights

140kA Surge Protection
Provides robust 140,000 amp surge protection for your home.

Ideal for Home Use
Perfect for safeguarding home electrical systems from surges.

Ease of Installation
Customers praise the simple and straightforward installation process.
9.9

Exceptional

Our Rating

9.7
Easy installation

9.3
worth the money

9.1
materials Quality
How do we rank?

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Value for Money

2

Square D by Schneider Electric
Schneider Electric – Square D HEPD Whole Home Electronics Protective Device, AC Surge Protection, Type 1 SPD, 120/240VAC, 1-Phase 3-Wire, 80kA Current
Main highlights

Universal Surge Protection
Connects to any residential load center for whole-home protection.

Outdoor and Indoor Use
NEMA 4X rated, suitable for both outdoor and indoor installations.

Reassuring LED Indicator
Green LED indicates active protection, praised for visibility.
9.8

Exceptional

Our Rating

9.5
Easy installation

9.1
worth the money

8.0
Tech Support
3

Eaton
Eaton BRNSURGE Type BR Whole-Panel Circuit Breaker Surge Protective Device

51% Off
Main highlights

Comprehensive Protection
Eaton BRNSURGE offers whole-panel surge protection with 18 kA surge current capacity, safeguarding your entire electrical system.

Ideal for High-Risk Areas
Perfect for homes in lightning-prone areas, providing peace of mind against electrical surges.

Ease of Installation
Customers praise its simple installation process, making it accessible for DIY enthusiasts with basic skills.
9.5

Excellent

Our Rating

9.9
worth the money

9.9
Easy installation

9.7
materials Quality
4

EATON
EATON CHSPT2ULTRA Ultimate Surge Protection 3rd Edition, 2.38" Length, 5.25" Width 7.5" Height
Main highlights

Universal Compatibility
Connects to any manufacturer's load center breaker box, ensuring broad compatibility and ease of installation.

Whole House Protection
Ideal for main panel installation, providing comprehensive surge protection for entire homes.

Highly Recommended
Praised for its robust build and effectiveness in safeguarding appliances from electrical surges.
9.3

Excellent

Our Rating

9.7
worth the money

9.5
Comfort

9.3
Easy installation
5

Intermatic
Intermatic AG3000 120/240 VAC Universal HVAC Surge Protective Device - Comprehensive Surge Protection, TPMOV Technology, Watertight Enclosure - UL Listed and Reliable
Main highlights

Comprehensive Surge Protection
Offers three modes of protection (L-G, L-L, L-N) to safeguard appliances.

Ideal for HVAC Systems
Perfect for protecting HVAC equipment and home appliances from power surges.

Praised Green LED Indicator
Customers appreciate the clear green LED for easy monitoring.
9.2

Excellent

Our Rating

9.9
lasts a long time

9.9
Easy installation

9.7
Comfort
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6

SIEMENS
Siemens QSPD2A035B 35 KAmp BoltShield Indoor Surge Protective Device
Main highlights

Seamless Installation
Plugs directly into Siemens load centers for quick, hassle-free setup.

Whole House Protection
Ideal for protecting entire homes from electrical surges.

User-Friendly Indicators
Mechanical green/red flags for easy surge protection status.
9.0

Excellent

Our Rating
7

Square D
Square D by Schneider Electric HEPD50 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire + Ground for 120/240V, 50kA, Black

28% Off
Main highlights

Universal Compatibility
Connects to any residential load center with green LED for status.

Ideal for Storm-Prone Areas
Perfect for homes in regions with frequent electrical storms.

Easy Installation
Praised for simple installation, even for non-experts.
8.8

Very Good

Our Rating

9.9
Easy installation

9.1
worth the money

8.7
Tech Support
8

ABB
THOMESURGEP by ABB • SurgePro™ Surge Protective Device • Externally Mounted Wired Residential SPD for Retail and Home • Type 1 SPD • Safe, Reliable, and Functional
Main highlights

Whole Home Surge Protection
Protects sensitive electronics and appliances from electrical surges.

Ideal for New Constructions
Suitable for new home builds or renovations, meeting NEC 2023 compliance.

Reliable Performance
Praised for dependable protection during storms and power surges.
8.7

Very Good

Our Rating
9

Square D by Schneider Electric
Square D - HOM250PSPD Homeline Whole House Surge Protection Device, 50kA, 120/240V, 1-Phase, No Wiring, Plug-On Neutral

35% Off
Main highlights

Easy Installation
Plug-on design for Square D Homeline panels simplifies setup.

Whole House Protection
Ideal for safeguarding entire home from power surges.

User-Friendly Design
Highly praised for straightforward, hassle-free installation.
Key specs
- Dimensions:7.5 x 5 x 3.5 inches
- Wiring:No wiring required
- Applications:Square D Homeline
- Compatibility:Square D Homeline
- Status Indicator:LED status indicator
8.5

Good

Our Rating

9.3
Easy installation

9.3
worth the money
10

SIEMENS
Siemens Boltshield FSPD036 Level 2 Whole House Surge Protection Device Rated for 36,000 Amps, 120/240V
Main highlights

36kA Surge Protection
Provides robust protection with 36,000 amps surge capacity.

Ideal for Home Use
Perfect for whole-house protection against electrical surges.

Ease of Installation
Praised for relatively straightforward installation process.
8.3

Good

Our Rating

10 Best surge protection devices of 2025

1

Siemens Boltshield FSPD140 Level 2 Whole House Surge Protection Device Rated for 140,000 Amps, 120/240V

9.7

9.3

9.1

How do we rank?

How do we rank?

Analyzing top stores

2

Schneider Electric – Square D HEPD Whole Home Electronics Protective Device, AC Surge Protection, Type 1 SPD, 120/240VAC, 1-Phase 3-Wire, 80kA Current

9.5

9.1

8.0

3

Eaton BRNSURGE Type BR Whole-Panel Circuit Breaker Surge Protective Device

9.9

9.9

9.7

4

EATON CHSPT2ULTRA Ultimate Surge Protection 3rd Edition, 2.38" Length, 5.25" Width 7.5" Height

9.7

9.5

9.3

5

Intermatic AG3000 120/240 VAC Universal HVAC Surge Protective Device - Comprehensive Surge Protection, TPMOV Technology, Watertight Enclosure - UL Listed and Reliable

9.9

9.9

9.7

6

Siemens QSPD2A035B 35 KAmp BoltShield Indoor Surge Protective Device

7

Square D by Schneider Electric HEPD50 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire + Ground for 120/240V, 50kA, Black

9.9

9.1

8.7

8

THOMESURGEP by ABB • SurgePro™ Surge Protective Device • Externally Mounted Wired Residential SPD for Retail and Home • Type 1 SPD • Safe, Reliable, and Functional

9

Square D - HOM250PSPD Homeline Whole House Surge Protection Device, 50kA, 120/240V, 1-Phase, No Wiring, Plug-On Neutral

9.3

9.3

10

Siemens Boltshield FSPD036 Level 2 Whole House Surge Protection Device Rated for 36,000 Amps, 120/240V

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