Commercial Lighting Electrician Toronto
Portman Electric repairs and troubleshoots commercial lighting across Toronto. We replace failed fixtures, install new lighting, carry out LED upgrades, and service lighting controls, emergency lights and exit signs. Book a service call for a fault or send the scope for an installation, retrofit or maintenance quote.
ECRA/ESA Licensed Electrical Contractor · Licence #7018049
- Property & condo managers
- Facility managers
- Commercial landlords
- Office managers
- Retail & restaurant operators
- Warehouse operators
- General contractors

Commercial Lighting Problem?
Real situations, not a capabilities list. If one of these sounds familiar, you're in the right place.
- 01Half your store lighting is out, but other circuits still work.
- 02Office fixtures flicker or LED drivers keep failing.
- 03Parking garage lights fail repeatedly in the same area.
- 04Emergency lights or exit signs are not working.
- 05A breaker trips when a lighting zone is switched on.
- 06Exterior lights stay on during the day or sensors stop responding.
Commercial Lighting Service & Repair
An entire lighting zone out is a different fault from one failed fixture. Tell us which areas are affected, when the problem started and whether switching or other equipment triggers it. We trace the supply, circuit and controls before treating repeated failures as a lamp-replacement problem.
- Failed or intermittent fixtures, LED drivers, ballasts and LED luminaires.
- Flickering lights, lighting circuits that trip and burned or damaged equipment.
- Failed contactors, timers, occupancy sensors and switching controls.
- Emergency lights, exit signs, exterior fixtures and parking-garage lighting faults.
Commercial Lighting Installation & Upgrades
New installations and replacements start with the fixture schedule, supply voltage, layout and access. We install and relocate lighting for renovations and tenant fit-outs, including office, retail, restaurant, common-area, utility and storage spaces. Exterior and parking-garage projects need equipment selected for their environment.
- New lighting circuits, switching, sensors and compatible dimming.
- Contactors, timers and controls sized for the connected lighting load.
- Emergency and exit lighting included where the agreed scope requires it.
- Shutdown and access coordination before fixtures are disconnected.
Commercial LED Retrofit Toronto
A fluorescent-to-LED conversion can use approved compatible lamps or retrofit kits, or replace the complete fixture. We compare the existing fixture condition, wiring, voltage and controls before recommending an approach. Office troffers, linear and strip fixtures, retail lighting, parking-garage fixtures and exterior lights each need the right product—not simply the brightest replacement.
- Check driver voltage, fixture ratings, dimming compatibility and the installation instructions.
- Compare connected wattage and operating hours to assess potential consumption reductions.
- Review glare, light distribution and colour consistency as well as rated output.
- Consider maintenance access, replaceable components and expected operating conditions; longer life is not guaranteed.
- For warehouse or high-bay upgrades, confirm height, lift access and the installation scope before pricing.

Commercial Lighting for Property Managers
Send the deficiency list by building, floor and fixture location. We handle lighting faults in common areas, stairwells, corridors, mechanical and electrical rooms, retail tenant areas, parking garages and exterior approaches. Repeated failures, emergency lighting and exit signs can be included in scheduled service rather than submitted as separate unplanned visits.
- Coordinate keys, escorts, tenant notices, shutdowns and safe access.
- Request after-hours scheduling where needed; confirm availability before issuing notices.
- Record completed work, outstanding items and parts requirements with clear invoicing.
- Agree the scope and frequency for individual buildings or a managed portfolio.
Office Lighting Electrician Toronto
Failed troffers, linear fixtures and pot lights can leave one workstation dim or an entire office zone unusable. We troubleshoot lighting circuits and controls, replace fixtures, and plan LED upgrades for work areas, boardrooms and kitchenettes. Dimming and occupancy sensors must match the fixtures and how the room is used. Renovation lighting is coordinated with ceiling and furniture changes.
Retail Lighting Electrician Toronto
Sales-floor and display lighting need consistent output and dependable switching. We service track and general lighting, replace failed fixtures, and address stockroom, exterior, emergency and exit lighting. Signage power and controls are coordinated with the signage supplier. For a new tenant layout, confirm fixture positions before display units and ceilings are finished.
Restaurant Lighting Electrician Toronto
Dining, bar and kitchen areas need different lighting and switching. We repair failed fixtures, check dimmer and driver compatibility, and install agreed renovation lighting. Exterior lighting, signage power, emergency fixtures and exit signs remain part of the operational scope. Kitchen fixtures must suit the location; this lighting service does not imply specialist cooking-equipment or hood-system work.

Warehouse & High-Bay Lighting
For warehouse aisle, loading-area or high-bay enquiries, send the mounting height, fixture details, photos taken safely from floor level and site access restrictions. We review the lighting circuits, proposed LED equipment, occupancy controls and emergency lighting needs before confirming the work. Elevated fixture replacement and high-bay installation are subject to access, lift arrangements and scope review—not an unrestricted height or industrial-service commitment.
Parking Garage & Exterior Commercial Lighting
Garage fixtures, wall packs, entrance and canopy lights, and exterior security lighting can fail at the fixture, circuit or control. We check timers, photocells and contactors alongside the supply, then repair the fault or quote an LED upgrade. Vehicle routes, overhead access and weather exposure affect how the work is scheduled. Photometric engineering is not included as an assumed service.
Emergency Lighting & Exit Sign Electrical Service
We troubleshoot failed emergency fixtures, battery units, exit signs and combination exit/emergency units. Corrective work can include compatible battery or unit replacement, fixture replacement and supply-circuit repairs. Send the deficiency report and locations so the electrical repair scope can be identified. Repairing a unit is not a blanket certification of the building's fire-code compliance.
Commercial Lighting Controls
Lights that stay on in daylight, switch off in occupied areas or fail to respond may have a control fault rather than a fixture fault. We troubleshoot and replace occupancy and vacancy sensors, timers, photocells, contactors, dimmers and switches. Replacement controls must suit the voltage, connected load and fixture drivers. Complex building-automation integration requires a separately confirmed scope.
Commercial Lighting Maintenance Toronto
Repeated fixture failures need a record of the locations, parts replaced and conditions—not another round of identical replacements. We work with recurring clients on deficiency lists, scheduled replacements, troubleshooting, emergency-lighting issues and exterior lighting. Building and portfolio service can be organized around access windows, agreed priorities and parts availability.
Commercial Lighting Service Across Toronto
We serve downtown offices and retail spaces, King West and Liberty Village businesses, and properties around Yorkville and Yonge and Eglinton. Service enquiries also cover East York, Scarborough, North York, Etobicoke, Leslieville, Riverdale, The Beaches and Leaside. For Vaughan, send the site address and requested timing to confirm scheduling. These are service areas, not separate office locations.
From Lighting Fault or Scope to Completed Work
- STEP 1
Describe the fault or project; include affected areas, fixture details and safe photos.
- STEP 2
Review the circuits, voltage, controls, access and proposed equipment.
- STEP 3
Confirm repair scope or provide a project proposal with assumptions and exclusions.
- STEP 4
Agree access, shutdowns and installation timing; coordinate ESA requirements where applicable.
- STEP 5
Complete the agreed repair or installation and test lighting and control operation.
- STEP 6
Document completed work, outstanding items and the invoice.
Safety first. If you see smoke or fire, or someone has been shocked, call 911 first. Do not open panels, reset repeatedly tripping breakers or work on live equipment yourself — keep people clear and call us. Urgent? Call 647-835-7757 or see commercial emergency service.
Request Commercial Lighting Service
Describe the problem, add photos if you have them, and tell us how urgent it is. For emergencies, call instead — forms are not monitored like the phone line.
Request a Lighting Project or LED Retrofit Quote
Project address, schedule, tender deadline and any drawings or specifications. Incomplete packages are fine — we'll tell you what's missing.
Frequently Asked Questions
Recent Commercial Lighting Work
A documented Toronto parking-garage lighting circuit repair. Read the problem, repair scope, site photos and outcome in the project gallery.
Related Commercial Services
Need commercial electrical service?
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