Welcome to W.J. Barnes Limited

We have provided top quality heating and cooling products, installation and service to the residents of Sarnia and surrounding areas since 1974.
The company was found by Will & Elaine Barnes, and is Owner - Operated by their son Jason Barnes. The firm specialized in Residential Heating, Cooling and Ventilation for both new construction and retrofit projects. The company also offers Commercial Heating, Cooling and Ventilation services in the Sarnia-Lambton area.

We are your local authorized service
& installation provider for:

  • Valor Fireplaces
  • Rheem Residential Heating and Cooling Systems
  • Rheem Commercial Class Heating and Cooling Systems
  • All Brands of Major Residential Appliances

We Also Service Commercial Kitchen Equipment:

  • Cooking Equipment
  • Coffee Makers, Mixers & Dishwashers
  • Refrigeration Equipment including Walk-In Coolers, Freezers and Commercial Refrigeration Units

24 - 7 Emergency Service is Available
We stock all of the most frequently needed parts for All Major Brands - allowing us to provide fast, complete service

Visit Our Showroom to See the Latest Products From:

  • Rheem
  • Valor Fireplaces
  • Navien
  • Weil-McLain
  • NTI Thermal
  • Rinnai Tankless Water Heaters
  • Honeywell
  • Continental Fireplaces

Residential Heating & Cooling

Commercial Heating & Cooling

Gas Fireplaces

110 Green St.,
Sarnia, ON N7T 2H9
Service: (519) 332-1770
Installation: (519) 332-2444

Weekdays: 8 AM - 4:30 PM
Saturday &  Sunday: Closed
24 - 7