Best Heating & Air Conditioning in Markham, ON

44 results · page 1 of 2

Looking for the best heating & air conditioning in Markham, ON? Here are 44 local businesses, ranked by ratings and reviews from real customers, then by how complete and up to date their details are. How we rank · Updated November 2026.

Has website Has phone Rated 4.5+

Frequently asked questions

What are the best heating & air conditioning in Markham, ON?

Based on customer ratings and reviews on Lokaldex, the top heating & air conditioning in Markham, ON right now are Air Leaders Inc., Aire One Heating & Cooling and Goodman Distribution Inc..

How many heating & air conditioning are there in Markham, ON?

Lokaldex lists 44 heating & air conditioning in Markham, ON.

How are the best heating & air conditioning in Markham, ON ranked?

Businesses are ranked by their average rating, weighted by how many reviews they have, then by how complete their details are (phone, website, hours). Businesses cannot pay to change their place in this list.

How can I add my business to this list?

If your business is in Markham, ON, you can list it free or claim your existing listing to add your hours, services, photos and website.