About W J Barnes
W.J. Barnes Limited is a family-owned and operated HVAC contractor serving Sarnia and the surrounding area since 1974. Originally founded by Will and Elaine Barnes and now operated by Jason and Stephanie Barnes, the company brings over 50 years of industry experience to residential and commercial heating and cooling solutions. With a steadfast commitment to high-quality workmanship and customer satisfaction, W.J. Barnes Limited utilizes experienced technicians to deliver reliable installation and maintenance services across all types of HVAC systems.
Services Offered
Opening Hours
- Monday8 AM to 4:30 PM
- Tuesday8 AM to 4:30 PM
- Wednesday8 AM to 4:30 PM
- Thursday8 AM to 4:30 PM
- Friday8 AM to 4:30 PM
- SaturdayClosed
- SundayClosed
Location
Open in MapsCustomer Reviews
Sean OD101
GoogleJune 2026
I have been using W.J Barnes for years. Just had Derek come to the house today. What a knowledgeable and friendly young man. He explained what he found and what we should expect in the future. If you need any work done on your heating or cooling you can't go wrong calling them.
Robert Nicol
GoogleMarch 2026
Very pleased with service on my water heater to solve an ongoing problem.
Michael Scavuzzo
GoogleJanuary 2026
Have been using WJ Barnes since I got my place in 2020. Technicians are always friendly and very skilled, knowledgeable and provide sound advice.