Service Area
HVAC Services in Markham, Ontario
We bring the same trusted service Markham deserves, professional installations, fast repairs, and maintenance plans that keep your home comfortable through every season.
Your local heating & cooling experts in Markham
Markham is one of the largest and most diverse communities we serve, and our team is proud to deliver reliable HVAC solutions to homeowners across the city. From Unionville's historic charm to the modern homes of Cornell and Cathedraltown, we keep Markham comfortable all year.
No matter the age or style of your home, our certified technicians provide honest recommendations, quality installations, and dependable service backed by more than 1,000 five-star reviews.
Services we offer in Markham
- Heating Services
- Cooling Services
- Ductless & Heat Pump Systems
- Water Heaters
- Indoor Air Quality
- Maintenance & Service
Communities we serve in and around Markham
We proudly provide heating and cooling services across Markham, including:
Why Markham homeowners choose Summers & Smith
Our own certified team
Every job is done by our employees, never subcontractors.
Fast, local response
We're based in Aurora, so help is never far away.
Hassle-free warranties
We handle warranty registration and rebate paperwork for you.
Markham HVAC questions, answered
Do you offer emergency HVAC repair in Markham?+
Yes. We provide 24/7 emergency furnace and air conditioner repair throughout Markham and the surrounding York Region communities. Call us at 905-727-2323 any time.
How quickly can you get to Markham?+
Because we're based nearby in Aurora, we're able to respond quickly to service calls in Markham, often the same day for urgent issues.
Do you install and service all HVAC brands in Markham?+
We're a Lennox Premier Dealer and Daikin Comfort Pro, and our technicians service most makes and models of furnaces, air conditioners, heat pumps, and water heaters.
Certified & award-winning partner
Reviews
Over 1,000+ 5-star reviews agree
Summers & Smith is the top-rated choice for heating and cooling in York Region.
Based on 1,000+ Google reviews
“From the call centre to the sales staff, technicians and office staff, everyone I have dealt with at Summers & Smith have been great to deal with. I found the call centre very help…”
“Summers & Smith never disappoint! Their professional, friendly and knowledgeable staff are always a pleasure to work with, from the first phone call, to sales and of course their i…”
“We have been using Summers & Smith for at least 20 years and have always had excellent service. David Tran serviced it this year and did an excellent job and offered excellent advi…”
“This is the best HVAC company I have ever dealt with. Front line staff are very friendly, courteous, and knowledgeable. Response time to breakdowns is fast and the technicians are…”
Ready for reliable comfort in Markham?
Get an instant estimate online or book an appointment with our team today.