Your Indoor
Air Quality

Causyn Cooling & Heating:

Your Source for HVAC Services from Simcoe

Causyn Cooling & Heating has been, and continues to be, proud of serving Simcoe, Norfolk County and surrounding areas with high-quality HVAC services from Simcoe. We have been under new ownership since 2019; bringing 20 years of industry experience to provide the best customer service possible. We appreciate the time you’ve taken to learn more about us and to browse our site. 

Whatever you happen to be looking for, we’re glad you’re here and will do our best to help! Whether you want to upgrade your home system to a new energy-efficient home comfort system (including furnace/central air conditioning), get maintenance or repairs, or see who we are and what we’re all about, know that you can rely on our assistance.

If you do happen to be looking for better HVAC services, know that we’re a designated premier Lennox® dealer. And as a dealer, we promise to provide you with home comfort. This comfort definitely does not come from just a one-time transaction! You can trust that we’ll work hard to earn your business now and for years to come.

learn about the Causyn Advantage

see how we’ll treat you like part of our family

We're more than just heating and cooling.


We're Local, But We Play Big

Did you know that we’re part of ClimateCare, Canada’s largest HVAC cooperative?

That means we get to stay local but play big.

What does that mean for you? You get to work with a family-run, locally-owned business, while benefiting from our group buying power which allows us to offer you savings, programs and incentives, just like the big guys.

Plus, we get to learn from the industry’s best, have access to exceptional training programs, and draw on the knowledge of our 30+ companies.  This ensures we are providing you with the best quality installations, repairs and exceptional customer service.

Our Comfort and Care promise is a priority in everything we do, providing Comfort, Accountability, Reliability, and Excellence for our community.

Let us Keep you cool this Summer

We have a large selection of lennox air conditioners just right for you. Find out more!

Learn about Our Products

We offer a wide variety of beneficial products.