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

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

Features

  • 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

Specifications

Color black
Unit Count 1

A compact whole-house surge protector that clamps and diverts voltage spikes to protect connected electrical devices and appliances. Rated for up to 36,000 amps, it is designed for 120/240V 60Hz systems, compatible with standard load centers and circuit breakers, and features a commercial-grade enclosure for indoor or outdoor installation with LED status indicators.

Model Number: FHSPD36s

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

4.7 out of 5

Why I installed the FHSPD36S

Power quality isn’t glamorous until a storm rolls through, the lights dip, and you wonder what that spike did to your HVAC, router, or fridge. I put the FHSPD36S on my main 120/240V, 60Hz service to add a first line of defense for the whole house. I wanted a compact SPD that would work with a standard load center, fit cleanly, and provide clear status without fuss. After living with it, I’m impressed by its simplicity and practical design, with a few caveats worth noting.

Design and build quality

The FHSPD36S is a tidy, compact unit with a hard-wearing enclosure that feels up to both indoor and outdoor duty. The footprint is small enough that it doesn’t crowd an already busy panel wall. The pre-attached leads are adequately long for typical installs, and the 1/2-inch threaded hub makes it straightforward to mount through a knockout with a standard locknut or nipple into a panel or nearby box.

Two small LED indicators on the face let you know the protection status at a glance. They’re bright enough to read in a dim basement but not obnoxious in a utility room. There isn’t any unnecessary ornamentation—just a rugged housing, a clearly labeled face, and four conductors. In other words, exactly what you want from a device whose job is to sit quietly until a surge shows up.

Installation experience

I mounted the FHSPD36S using a 1/2-inch knockout and a short nipple adjacent to my main breaker panel, landing the two hot leads on a two-pole breaker and the remaining conductors to neutral and ground as specified by the manufacturer. The form factor lends itself to a quick install, and the wire length worked without extensions. If you have a particularly shallow panel or a cover with tight clearance, plan to mount externally via a nipple or to a nearby junction box to keep the door closing cleanly.

A couple of small tips based on best practice:
- Keep the leads as short and as straight as possible to lower the let-through voltage during a surge.
- Confirm your service grounding and bonding are in good order; a poor ground compromises any SPD.
- Use appropriately sized ring or fork terminals for your breaker lugs if your panel requires them—these aren’t included.
- Follow the manufacturer’s breaker sizing guidance for your panel and local code.

From start to finish, installation took me less than 15 minutes with basic electrical tools. If you’re not comfortable in a live panel or unsure about your grounding, hire a pro; it’s a quick job for an electrician.

What the 36 kA rating means in the real world

This unit is rated for up to 36,000 amps of surge current. In residential terms, that’s solid protection for typical utility transients, switching events, and the kind of surges that travel in on service lines. Many premium models rate higher—50 kA, 80 kA, even 100 kA—and those numbers can matter if you’re in a lightning-prone area with overhead service. For most suburban homes on underground service, 36 kA is a pragmatic, value-minded choice. I think of it as a dependable first stage in a layered protection scheme, especially when paired with quality point-of-use surge strips for sensitive electronics.

It’s worth noting what an SPD won’t do. It won’t “clean” power, correct sags, or fix dips when a large motor kicks on. It is designed to clamp and divert voltage spikes. In my case, normal inrush dips from the HVAC didn’t change (nor should they), but nuisance flickers and little network hiccups during storms have been less noticeable since installing it.

Day-to-day performance and indicators

The FHSPD36S has been uneventful in the best way. The status LEDs have stayed in the normal state through several summer storms and a few utility switching blips, and there’s been no nuisance tripping or audible noise. I tested the indicator function by simulating a loss-of-protection condition per the instructions, and the LEDs communicated state clearly. If you install this in a low-traffic area, it’s worth taking a quick look at the indicators after major weather or any known surge event.

I also like that the enclosure is rated for indoor or outdoor placement. If you’re protecting a dedicated sub-panel—for example, for a pool or outbuilding—the form factor and weather-ready housing make it an easy add without a big footprint.

Compatibility and placement

The FHSPD36S plays nicely with common load centers and breakers in 120/240V split-phase systems. I installed mine at the service equipment, which is the best location for whole-house protection. You can also mount at key sub-panels (HVAC, shop, pool equipment) to add local protection for expensive gear. If you do install at a sub-panel, keep in mind that upstream protection is still valuable; multiple SPDs in a cascaded arrangement can improve overall performance by clamping surges in stages.

The unit’s compact size helps if you’re short on wall real estate or you’re adding protection to an existing, crowded setup. Still, plan the layout before you punch knockouts—the shortest, straightest conductor path is more important than perfectly centered cosmetics.

Documentation and support

The quick-start guide is serviceable: wiring diagrams are clear, and the indicator legend is obvious. I would have appreciated a dedicated section on best practices for lead length, routing, and breaker sizing across the major panel brands, but that’s a nitpick. Hardware like ring lugs and locknuts aren’t included, so make sure you have the right fittings on hand.

I didn’t need to contact support, but the documentation does a decent job of pointing you to common startup issues—overwhelmingly related to grounding and bonding. If the status LEDs don’t show protection after install, double-check those fundamentals first.

What I’d improve

  • Higher surge rating option: A 50–80 kA variant would broaden appeal for lightning-heavy regions without forcing buyers to shop elsewhere.
  • Include basic hardware: A couple of appropriately sized ring terminals and a locknut would save a parts run and make the kit feel more complete.
  • More explicit breaker guidance: A quick reference by panel brand/model would simplify installs for DIYers and speed up pro work.

None of these are deal-breakers, but they’re areas where small tweaks would elevate the experience.

Value and who it’s for

The FHSPD36S hits a sweet spot for homeowners who want meaningful whole-home surge protection without paying a premium for industrial-level ratings they may not need. It’s also a good fit for targeted protection at a sub-panel feeding HVAC or pool equipment where the compact footprint and outdoor-ready enclosure matter. If you’re in an area with frequent lightning strikes or an older overhead service drop, I’d consider stepping up to a higher kA unit or adding a second SPD in a cascaded setup. For most homes, this unit is an effective and economical layer of defense.

Final take

After installing and living with the FHSPD36S, I consider it a practical, no-nonsense whole-house SPD: compact, straightforward to wire, status at a glance, and appropriately rated for typical residential needs. It won’t fix every power quality issue (no SPD will), but it adds real protection against damaging spikes that can shorten the life of appliances, electronics, and connected smart gear.

Recommendation: I recommend the FHSPD36S for homeowners seeking a compact, affordable whole-home surge protector with easy installation and clear status indicators. It’s a strong value for standard 120/240V systems, especially where panel space is tight or an outdoor-capable enclosure is beneficial. If you live in a high-lightning corridor or want maximum headroom, consider a higher kA alternative or a layered approach—but for most homes, this unit is a smart, effective upgrade.



Project Ideas

Business

Residential Surge Audit & Retrofit Service

Offer homeowners a paid audit to evaluate surge risk and recommend protection levels, then sell and professionally install FHSPD36S units as a retrofit to modernize older panels. Package tiers (basic, appliance-protected, whole-home + smart monitoring) and provide documentation that helps customers claim potential insurance discounts.


Surge Protection Subscription & Remote Monitoring

Add a simple IoT status sensor or LoRa/Wi‑Fi indicator to report the FHSPD36S LED state to a web dashboard. Sell monitoring/subscription plans that include alerting, annual verification visits, and replacement guarantees if an SPD takes a surge. This creates recurring revenue and differentiates you from one-off installers.


Property Manager / Landlord Bulk Program

Develop a bulk offering for multi-family buildings and rental portfolios: discounted units + scheduled installs and maintenance contracts to protect tenant electronics and reduce landlord liability/repair costs. Include tenant-facing literature explaining benefits and a streamlined billing/PO process for property managers.


Event & Temporary Power Rental Kits

Build portable power distribution carts with integrated FHSPD36S protection for outdoor events, markets, food trucks, and construction sites. Rent these kits by day or event, including delivery, setup, and on-call support. Position the service to reduce exhibitor equipment damage risk and provide proof of surge protection for organizers.


Installer Training & Co-Branded Packages

Create certified-installation bundles for electricians, solar installers, and EV charger contractors that include the FHSPD36S, a mounting kit, quick-install guides, and co-branded marketing materials. Run short training sessions (CEU credits where applicable) so partners can upsell whole-home surge protection during panel, solar, or EV charger jobs.

Creative

Protected Workshop Hub

Build a dedicated sub-panel or distribution box for your garage/workshop that integrates the FHSPD36S to protect stationary tools (table saw, dust collector, CNC router) and sensitive bench electronics. Mount the surge protector in a compact metal cabinet with labeled breakers for 'heavy tools' and 'electronics', add a few dedicated isolated outlets for chargers and test equipment. (Safety note: final connections should be made by a licensed electrician to meet code.)


Weatherproof Lighting & Garden Control Box

Create an outdoor-rated control box for landscape lighting, pond pumps, and automated irrigation that includes the whole-house SPD to guard against lightning-induced surges. Use a commercial-grade enclosure, GFCI outlets, and a small relay/ timer module so holiday lights and water features are both automated and surge-protected. Ideal for DIY landscapers who want a neat, weatherproof installation — have an electrician tie it into the home feed.


Mobile RV/Trailer Shore Power Protector

Assemble a portable, lockable shore-power inlet box for an RV or trailer that incorporates the FHSPD36S so the vehicle's electrical system is protected at campgrounds and marinas. Mount the unit in a ventilated enclosure with a proper inlet, surge indicator accessible from the outside, and a short, heavy-duty cord for hooking up. This project is great for makers who travel and want repeatable protection; ensure compliance with RV electrical standards.


Solar/Battery AC Output Protection Module

Design a compact AC protection module to sit between an inverter/charger and the household AC panel: the FHSPD36S will protect the inverter and downstream loads from grid spikes and transient events. Package it with a labeled disconnect and surge status window for easy inspection. This is suitable for DIY solar enthusiasts but requires coordination with the inverter installer or electrician to be safe and code-compliant.


Decorative Status Cabinet (non-intrusive display)

Mount the surge protector in a custom cabinet or wall plaque that makes the LED status indicators a visible design feature (e.g., a small framed 'protection station' by the main panel). Combine with a slim indicator window and an engraved plate listing protected circuits. Important: do not modify internal SPD components — keep the device intact and only build the enclosure around it; final wiring must be done by an electrician.