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Thompson Electrical Services: Serving Duncan and the Cowichan Valley

Based in Duncan and serving the Cowichan Valley with over 20 years of experience, Thompson Electrical Services is proud to provide quality workmanship and impeccable wiring service to customers from Victoria to Nanaimo. In addition to being able to replace your outdated wiring at reasonable rates, we complete electrical projects such as knob and tube upgrades, electric heating installation and data, CATV and telephone cabling.

Residential and Commercial Wiring

Licensed, bonded and insured, our electricians are courteous and punctual, and complete projects on time. In addition to rewiring entire buildings or homes, we offer emergency repairs, circuit breaker panel upgrades and more. In addition to electrical repairs, installations and inspections for wiring, our services also include:

  • Fuse box and installations

  • Electrical service upgrades

  • Knob and tube wiring replacement

Home Appliance Installations

At Thompson Electrical Services we are dedicated to performing your project safely and on budget. We typically install home appliances such as dishwashers, refrigerators, freezers, washers, dryers, garbage disposal units and trash compactors.

Contact us for information about our free home inspection services.

Professional Affiliations


  • Philips

  • Siemens

  • Leviton®

  • Broan

  • NuTone®

  • Stelpro

High Energy Bills?

We install energy efficient lighting retrofits

Get Peace of Mind

We back up our wiring with a 1-year warranty

Cable Confusion?

We install data and communications wiring

Contact Us

3174 Cowichan Lake Rd,

Duncan, BC, V9L 4B9



Main:   250-701-2621

Cell:     250-710-5818

Fax:     250-746-0126

Business Hours

Monday – Saturday: 8:00 AM - 6:00 PM

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