Service Express HVACHVAC contractor in Markham, ON

Service Express HVAC is ranked #13 of 813 HVAC contractors in Markham by CR Score, with 63 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Service Express HVAC is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves Markham and 11 towns within 40 km: Scarborough, Willowdale, Richmond Hill, North York, Concord, Vaughan, East York, Toronto, Pickering, Aurora and Ajax. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

Service Express HVAC has a rating of 4.9 from 384 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Service Express HVAC on (416) 637-1678. The business is at 410 Hood Rd, Markham, ON L3R 3X2. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.