Whole-home surge protection · Toronto & GTA
Whole-home surge protection in Toronto and the GTA
A surge protector at the panel guards everything wired into the house, from the furnace and fridge to the EV charger, not just what's plugged into a power bar. Installed in an hour or two, alongside a panel check.
Why at the panel
A power bar protects one outlet. This protects the house.
Most homes have a few surge-protected power bars behind the TV and the computer, and nothing protecting the equipment that costs the most to replace. Furnaces, heat pumps, air conditioners, fridges, washers, induction ranges and EV chargers are all hard-wired or plugged straight into the wall, and modern versions are full of control boards that don't tolerate voltage spikes well.
A whole-home surge protective device is installed at your electrical panel, where it can divert a surge to ground before it travels down the branch circuits. It's a small device, usually connected to its own breaker, and it works on every circuit at once.
Grounding is half the job
A surge protector sends excess energy to ground, so it can only work as well as the home's grounding and bonding. In older GTA homes, especially those with an original service or a panel that's been changed without a permit, the grounding isn't always what it should be. We check it every time and tell you if it needs work.
Who benefits most
Homes where surge protection pays off
You've just upgraded your panel
The panel is open and new. It's the easiest and most cost-effective moment to add a protector.
You have a heat pump or new furnace
High-efficiency HVAC equipment relies on electronic controls that are expensive to replace after a surge.
You charge an EV at home
An EV charger is a significant investment on a dedicated circuit. Surge protection at the panel covers it.
You have a standby generator
Transfers between grid and generator are a common source of voltage disturbances.
You work from home
Computers, network gear and the equipment that keeps you working all benefit from layered protection.
You've lost electronics before
Repeated failures of control boards or chargers can be a sign of surges inside the home.
Layers of protection
The three types of surge protector
Surge protectors are grouped by where they're installed. Most homes are best served by a protector at the panel plus point-of-use protection for sensitive electronics.
| Type 1 | Type 2 | Type 3 | |
|---|---|---|---|
| Where it goes | Between the utility service and the main breaker | At the panel, on the load side of the main breaker | At the outlet: power bars and plug-in units |
| What it handles | Large external surges entering the home | External surges plus those from appliances in the home | Small surges at a specific device |
| Typical home use | Less common in houses; used where the design calls for it | The usual whole-home choice | TVs, computers, network equipment |
| Installed by | Licensed electrician | Licensed electrician | You |
How it works
How we install it
Panel and grounding check
We confirm there's room in the panel and that grounding and bonding are sound.
Choose the device
A protector suited to your panel and service size, explained in plain terms.
Installation
Mounted at the panel on its own breaker with short, direct connections.
Test and show you
We check the indicator lights and show you what to look for.
Permit and inspection
Filed with ESA where required, and inspected.
Realistic expectations
What surge protection can and can't do
Surge protection significantly reduces the damage from the everyday surges that wear equipment out and the larger ones from storms and utility events. It isn't a lightning rod. A direct strike on the house can overwhelm any protective device. That's why we recommend layered protection and good grounding rather than relying on a single device.
If you're planning a panel upgrade, a standby generator or an EV charger, ask us to quote surge protection at the same time. Adding it while we're already working in the panel is the simplest way to do it. We install whole-home protection across the GTA, including North York, Scarborough and Mississauga.
- Panel and grounding checkIncluding bonding to water and gas piping
- Whole-home surge protective deviceSized for your panel
- Dedicated breaker and connectionsKept short for best performance
- Testing and walkthroughHow to read the indicator lights
- ESA permit where requiredAnd the inspection
Questions
Whole-home surge protection: common questions
Do I still need power bars with surge protection?
For sensitive electronics, yes. A whole-home protector handles the large surges that come in from outside and from big appliances. Point-of-use protectors at your TV, computer and network gear add a second layer close to the device. The two work best together.
Where do surges come from?
Some come from outside: lightning nearby, utility switching, or a vehicle hitting a pole. Many more start inside the home, when motors in furnaces, air conditioners, pumps and appliances switch on and off. These smaller, repeated surges wear electronics down over time.
Does a surge protector work with a generator?
Yes, and it's a sensible pairing. Power switching between the grid and a standby generator is exactly the kind of event surge protection is designed for. We often install both at the same time.
How do I know it's still working?
Most whole-home protectors have indicator lights that show they're protecting. After a major surge, a protector can sacrifice itself to do its job, so it's worth glancing at the lights now and then, and after a big storm.
Is a whole-house surge protector worth it?
For most homes, we think so. Furnaces, fridges, washers and EV chargers now run on circuit boards that surges wear down over time. One device at the panel covers every circuit, including hard-wired equipment a power bar can't reach. It earns its place most on streets with overhead lines and frequent outages, or in homes with a generator or heat pump.
Type 1 vs Type 2 surge protection: which do I need?
A Type 1 protector sits on the line side of the main breaker, between the utility service and the panel. A Type 2 sits on the load side, at the panel, and is the usual choice for a house. A licensed electrician installs either one. We pick the type that suits your service, and the comparison table on this page shows how both differ from Type 3 plug-in units.
Do you take out the ESA permit?
Yes. In Ontario, the licensed contractor files the notification of work with the Electrical Safety Authority (ESA) and books the inspection. We handle it on every job that needs one, and you get the ESA Certificate of Acceptance when the work passes. Keep it: insurers and home buyers often ask for it.
To price your job, send us
- Whole-home or protection for specific equipment
- Your panel's brand and amperage
- A photo of your panel
- The address, and whether it's a home or a business
Where we work
Whole-home surge protection across the GTA
We serve homeowners, builders and businesses across Toronto and the GTA.
- North York
- Toronto
- Forest Hill
- Etobicoke
- Scarborough
- Mississauga
- Vaughan
- Richmond Hill
- Oakville
- Caledon
- King
- Barrie
- Markham
- Aurora
- Newmarket
- Brampton
- Alliston
- Wasaga Beach
- Collingwood