WJ Inc has been bringing comfort to Ontario homes since 1988. Call us today for all your HVAC needs.


Why Choose Us

Air Filter


WJ Inc customers have trusted us for over 30 years to provide them with honest, cost effective solutions.

Air Conditioner


We take our time to ensure all work is completed as per the Ontario code book. We put the safety of you and your family first. 



We use only the best equipment and products. All of our technicians are experienced and licensed and make sure to leave the work area clean and safe.

What We Do

Standing Air Conditioner

Installation & Service

At WJ Inc, we specialize in the installation and servicing of all gas fired and refrigeration appliances. Contact us today if you have a Furnace, Air Conditioner, Fireplace, Gas Line, Appliance, Swimming Pool Heater, HRV or Electric Generator which needs to be fixed, maintained or installed. 



Is your home currently being heated by electricity or oil? Get in touch with us to discuss how we can convert your Electric or Oil Heating to Natural Gas or Liquid Propane heating for a more efficient and reliable home. 

Air Duct

Duct Work

Looking to install duct work in a home renovation project or add a return/ supply grill to an existing system? We can help with that. Call us today. 

Brand New Kitchen


Clothes still wet out of the dryer? New gas range for your kitchen renovation? Call us about fixing or installing any make or model of dryer, washer, dishwasher, refrigerator, oven, range, range hood or microwave. 

Technicians at Work

And More!

With over 30 years of experience we are well versed in our craft. If it falls under the umbrella of HVAC we can help. Call us about Service & Diagnostics, Inspections, Energy Efficient Appliances and Maintenance.

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e-mail us for a quote!

Contact us for a quote today!


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