HVAC Services in Markham, ON
Aurora Star Tech Inc. is your trusted local HVAC company serving Markham and the surrounding GTA communities. Whether your furnace breaks down on the coldest night of the year or your AC gives out in the middle of summer, our certified technicians are available 24 hours a day, 7 days a week — with same-day response in Markham.
⏱ Same-Day Service
🏅 20+ Years Experience
💰 Transparent Pricing
🔧 1-Year Labour Warranty
Need HVAC Help in Markham Right Now?
Our team is standing by — no call centres, straight to a technician.
Our HVAC Services in Markham
We offer a full range of heating, cooling, and air quality solutions for residential and light-commercial customers throughout Markham.
🔥 Furnace Repair & Installation
Fast diagnostics and repair for all furnace brands. No heat? We offer emergency same-day furnace repair across Markham, including Unionville, Cornell, and Thornhill.
❄️ Air Conditioning
AC installation, repair, and annual tune-ups. We service central air systems, ductless mini-splits, and heat pumps — keeping Markham homes cool all summer.
💧 Water Heater Services
Tank and tankless water heater installation, replacement, and maintenance. We handle annual flushing, leak inspection, carbon monoxide testing, and venting inspection.
🌡️ Smart Thermostats
Upgrade to a Nest, Ecobee, or Honeywell smart thermostat. Our technicians handle installation and programming so you start saving on energy bills right away.
💨 Indoor Air Quality
Humidifiers, air purifiers, HRV systems, and duct inspections. Improve the air your family breathes — especially important during Markham’s dry winters.
🛠️ Preventive Maintenance
Annual HVAC tune-ups extend equipment life, improve efficiency, and catch problems before they become expensive repairs. Book a seasonal maintenance visit today.
Why Markham Homeowners Choose Aurora Star Tech
| What We Offer | What It Means for You |
|---|---|
| 24/7 Emergency Response | A real technician answers — day, night, or holidays |
| Same-Day Service in Markham | No waiting 3 days for an appointment when your heat is out |
| Upfront, Transparent Pricing | You approve the price before any work begins — no surprises |
| 1-Year Labour Warranty | Every repair and installation is backed by our guarantee |
| 20+ Years of Experience | We’ve seen every furnace, AC, and water heater issue in the GTA |
| Licensed & Insured Technicians | Full TSSA compliance — your home and warranty are protected |
What Our Markham Customers Are Saying
“Fast and friendly. Heat wasn’t working and needed the blower motor replaced. Will refer to friends because of this experience.”
— Verified Google Review
“Excellent service, fast, punctual and honest. Very happy with this company, 100% recommend them for any HVAC job you have.”
— Verified Google Review
“Ehsan arrived within 24 hours, even during the busy season. He was friendly, knowledgeable, and explained everything clearly, giving me options without any pressure. I’d absolutely recommend Aurora Star Tech.”
— Markham Customer · Verified Google Review
Neighbourhoods We Serve in Markham
We provide HVAC services throughout Markham and surrounding GTA communities, including:
- Unionville
- Cornell
- Thornhill
- Milliken Mills
- Berczy Village
- Cathedraltown
- Angus Glen
- Greensborough
- Box Grove
- Wismer
- Rouge River Estates
- Buttonville
Not sure if we cover your area? Call us at (647) 657-2977 — we’ll let you know right away.
Frequently Asked Questions — HVAC in Markham
Do you offer emergency HVAC service in Markham?
Yes. Aurora Star Tech provides 24/7 emergency HVAC service across Markham. Whether your furnace stops working at 2 AM in January or your AC breaks on the hottest day of summer, call (647) 657-2977 and a technician will be dispatched promptly.
How quickly can you arrive for a service call in Markham?
In most cases, we offer same-day service in Markham. Emergency calls are prioritized and we aim to arrive within a few hours. We’ll give you a clear arrival window when you book.
Do you provide free estimates for new installations?
Yes. We offer free, no-obligation quotes for furnace installation, AC installation, and water heater replacement in Markham. All pricing is transparent and upfront before any work begins.
Are your technicians licensed to work in Ontario?
Absolutely. All of our technicians are licensed and comply with TSSA regulations for gas work in Ontario. We carry full liability insurance for your protection.
What HVAC brands do you service?
We service all major brands, including Lennox, Carrier, Trane, York, Goodman, Rheem, Napoleon, and more. We also carry or can source replacement parts for most systems.
Do you offer financing or payment plans?
Yes. We understand that a new furnace or AC system is a significant investment. Contact us to discuss available financing options that fit your budget.
Ready to Book HVAC Service in Markham?
Call now or fill in our contact form — we’ll get back to you within the hour.
📚 HVAC Resources & Service Areas
Explore our service coverage across the GTA and trusted external resources for HVAC standards and energy efficiency in Ontario.