Electrical Contractors Toronto | Astron Electric
According to ESA, hundreds of Ontario fires each year are caused by electrical distribution equipment. The situation in Toronto requires attention for older properties. Since 1970, GTA homeowners and commercial property managers have been able to rest easy thanks to the safe, reliable, and code-compliant work of a trusted local team. With over 50 years in the industry, Astron Electric is a fully accredited electrical contractor in Toronto with ECRA/ESA licensing, capable of safely servicing complex residential and commercial electrical systems.
Residential Services by Expert Electric Contractors
Homeowners have turned to our electrical contractors for total rewiring and regular safety certification. Here's a closer look at what we handle most.

Whole-Home Rewiring & Knob and Tube Removal:
Many East York and Beaches homes still have knob and tube wiring, which insurers regularly note during inspections. We take it out and replace it with new, up-to-code wiring that helps protect your home and makes it easier to renew your insurance.
Main Service Panel Upgrades & Fuse Box Conversions:
As an electric contractor in Toronto that homeowners trust for panel work, we upgrade outdated fuse boxes to modern breaker panels rated for today's electrical loads, including EV chargers, HVAC systems, and smart home devices.
Custom Home Additions, Lighting & EV Charger:
Additions and renovations in areas like High Park require careful loading plans. Our designs include lighting layouts, dedicated circuits, and EV charger stations designed for long-term durability.
Code Inspections & ESA Safety Certificates:
Before listing, insuring, or renovating a property, we perform a close inspection for a code check and issue official ESA Safety Certificates, assuring everyone involved from buyers to insurers to inspectors a document proving code compliance.
If you need professional help with any home electrical project, our residential electrician services cover everything from upgrades and installations to safety inspections.
Commercial Electrical Contractors in Toronto
Business owners and property managers count on us to keep operations running without costly downtime. As experienced commercial electrical contractors Toronto businesses depend on, here's where we focus.
3-Phase Power Systems & Transformer Installation:
Retail, office, and light industrial developments often require 3-phase to power heavier equipment. We take care in the design, installation and maintenance of transformer systems for demanding commercial applications.
Commercial Leasehold Improvements & Tenant Fit-Outs:
Tenant fit-outs come with short deadlines. We synchronize our work on wiring, lighting, and panels to your build-out schedule so your space opens on time and is up to code.
Emergency Lighting, Exit Signs & Power Backups:
The proper functioning of lighting and exit signs should meet fire codes. We install and maintain a backup power system to keep your building compliant for an inspection and during emergencies.
Ongoing Commercial Maintenance & Inspections:
Property managers across Scarborough and Etobicoke rely on scheduled maintenance to avoid unplanned outages. We provide recurring inspections that catch wear and code gaps before they become liabilities.
Emergency Services from Reliable Electric Contractors in Toronto
Electrical failures rarely wait for business hours. As responsive electric contractors in Toronto, we provide 24/7 emergency dispatch for urgent issues.
Rapid Response to Power Outages:
Don’t let a sudden electrical failure put you down. We provide emergency electrical services to restore your power as soon as possible to minimize the disturbance for your tenants, employees, or family.
Hazard Mitigation for Short Circuits:
If your outlet sparks or breaks regularly, it may be time to get an inspection. We quickly identify the problem’s source, carry out code-approved repairs, and ensure the entire system is safe before completing our work.
Our 4-Step Electrical Contracting Process
Every project we take on follows a consistent process built around safety and accountability.
Step 1: On-Site Estimate & System Load Calculations
We assess your property, calculate existing and projected electrical loads, and provide a transparent estimate before any work begins.
Step 2: Code Compliance & Mandatory ESA Permitting
We handle all required ESA permitting upfront, ensuring your project meets Ontario's electrical code from day one, not as an afterthought.
Step 3: Efficient Installation with Minimal Operational Downtime
Our crews work efficiently to limit disruption, scheduling around business hours or household routines wherever possible.
Step 4: Final ESA Safety Inspection & Official Certificate
Once installation is complete, we coordinate final ESA inspection and provide your official safety certificate for insurance and compliance records.
Why Choose Astron Electric as Your Toronto Electrical Contractor?
When selecting an electrical company Toronto offers plenty of options. Here's what sets Astron Electric apart as the electrical contractors Toronto property owners consistently choose:

Transparent Pricing:
No hidden fees. You receive a clear estimate before work starts and know exactly what you're paying for.
40+ Years Serving Toronto and the GTA:
Since 1970, we've built our reputation on reliability across residential and commercial properties throughout the region.
Fully Insured & ECRA/ESA Certified:
All work done by our employees is covered by full insurance, and every technician operates under our ECRA/ESA license.
Consistent Quality Across Every Job Size:
No matter if it's the repair of a single outlet, an electric panel upgrade, or a complete commercial rewire, we apply the same code standards and attention to detail.
Direct Communication From Estimate to Completion:
Throughout the project, you work with the same team, not different subcontractors each time. Questions get answered quickly, and nothing falls through the cracks.
Need Reliable Electrical Contractors in Toronto? Call Astron Electric Today
Ready to get started? As one of the most trusted electrical contractors in Toronto, Astron Electric is just a call away for residential, commercial, or emergency work. Reach our East team at (416) 422-3865 or our West team at (416) 929-1700; available across the city and GTA whenever you need us.
Frequently Asked Questions (FAQs)
1. What commercial services do electric contractors provide for Toronto businesses?
Commercial electrical work typically includes 3-phase power installation, tenant fit-outs, emergency lighting systems, and scheduled maintenance. We handle these services for retail, office, and light industrial properties across the GTA, coordinating around business hours to limit downtime.
2. How do I verify if an electrical contractor in Toronto holds a valid ESA license?
You can confirm licensing status directly through the Electrical Safety Authority's online contractor search using the company's license number. Our ECRA/ESA License #7004250 is verifiable there, confirming we meet Ontario's regulatory standards for electrical work.
3. Do electric contractors in Toronto manage ESA permits and utility coordination?
Yes. Permitting and utility coordination should be handled by your contractor, not left to the property owner. We manage ESA permit applications and coordinate directly with utility providers throughout every project, from small repairs to full commercial installs.
4. How quickly can I get emergency electrical service in Toronto?
We provide 24/7 emergency dispatch for urgent issues like power outages, short circuits, and burning smells from outlets or panels. Our team prioritizes same-day response for hazards that put a property or its occupants at risk, and we work to restore safe power as quickly as possible while confirming the fix meets code before we leave the site.
5. What areas in Toronto and the GTA do you cover?
We serve properties across Toronto, including East York, High Park, Scarborough, and Etobicoke, along with surrounding GTA municipalities. Whether it's a residential rewiring job or a commercial maintenance contract, our service area covers the broader region.
