Serving Orillia, Simcoe & Muskoka & Area for More Than 70 Years

Brennan’s Electrical was founded by Elwood Brennan in 1944. Upon Elwood’s retirement in 1991, his son Ken Brennan took over leadership of the company. With Ken at the helm, Brennan’s grew and began offering additional services for its customers. In 2003, Brennan’s Electrical was officially renamed Brennan’s Inc. to better reflect the company’s expanded service offerings.

Today Brennan’s is a full-service plumbing, electrical and HVAC company that provides a long list of services to meet all of your commercial and residential needs.

Brennan’s policy is to provide exceptional products, superior workmanship and service, while completing all projects in a reasonable time frame.

Every job, regardless of its size, receives the Brennan’s treatment:

  • Straightforward, consultative approach
  • Do it once and do it right philosophy
  • Organized, tidy, clean job site
  • Professional, respectful attitude
  • Straightforward pricing policy with no hidden cost and no surprises


  • Heating
  • Electrical
  • Plumbing
  • Fireplaces
  • Air conditioning 
  • Generators

Heating, Electrical & Plumbing

Whether it’s during the deep freezes of winter, or humid heat waves of the summer, Brennan’s is available to serve all of your needs. Since 1944, our family owned and operated company has served customers all across northern and central Ontario. The secret to our success is our commitment to customer service and satisfaction.

Our experienced, knowledgeable and fully trained technicians will effectively service or install your furnaces/boilers/air conditioners, as well as take care of your plumbing and electrical needs.

Our highly qualified technicians offer timely, reliable, efficient service.

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