Furnace Repair and Installation
Stay warm through every Ontario winter with expert furnace repair and installation, from emergency no-heat calls to routine tune-ups that keep your system safe and efficient.
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Heating & Cooling Done Right
Markham HVAC Pros, Expert Heating & Cooling Repair in Markham, ON
At Markham HVAC Pros, we treat your home like our own. Serving Markham, Ontario and York Region, we deliver honest, efficient, and dependable HVAC solutions for year-round comfort.
- 24/7 HVAC Service
- FinanceIt Financing
- 100% Satisfaction Guaranteed
- Licensed & Insured
24/7Emergency service
Licensed& fully insured
FreeNo-obligation quotes
Guaranteed100% satisfaction
Our Story, Your Comfort
Licensed Care for the Home You Live In
At Markham HVAC Pros, we understand that a broken air conditioner or failing furnace is more than an inconvenience, it's a disruption to your life.
Anyone can fix a furnace once. Earning the next call is the real work. We keep detailed service records for every home we visit, remember what we found last time, and plan maintenance around your system instead of a generic schedule. That is how neighbours become long-term customers.
Backed by our 100% satisfaction guarantee on every job.
Every System, Every Season
Whatever Keeps Markham Homes Comfortable, We Look After It
Whatever the season throws at your house, the fix starts with a phone call to us. Diagnose, repair, replace, maintain: each visit is handled in-house by technicians who carry the parts and training to finish the job properly.
Air Conditioner Repair and Installation
Keep cool through humid summer stretches with dependable AC repair and installation. We handle central and ductless systems, from fast diagnostics and tune-ups to full replacements.
Learn moreHeat Pumps That Cut Heating Bills
A properly sized heat pump can carry most of your winter heating at a fraction of the cost, then reverse into cooling each summer. We size it right the first time.
Learn moreProfessional Duct Cleaning Service
We clear years of built-up dust, allergens, and debris from your ductwork in one thorough visit. Airflow improves, your system works easier, and your family breathes cleaner air.
Learn moreThermostat Repair and Replacement
Upgrade to smart and programmable thermostats, or repair the one you have quickly. Precise scheduling and tighter temperature control add up to real savings on your energy bills.
Learn moreMulti-Zone Ductless for Markham Homes
One outdoor unit, up to four indoor heads, independent temperature control in every zone. We design the layout around how your Markham household lives and install it quickly.
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The Way We Operate
Why Choose Markham HVAC Pros?
No guesswork, no pressure, no mess left behind. This is the standard we hold on every single visit.
Your Options, Laid Out Clearly
We measure airflow, check safety controls, test electrical connections, and ask how the house actually feels to you. That conversation shapes a quote that details the work, the timeline, and the outcome in writing before we begin.
Skilled Hands, Protected Floors
Our technicians arrive on time, work efficiently, and leave your home spotless, whether we are installing a furnace, servicing an air conditioner, or replacing a thermostat you have had since the nineties.
Your System, On Record
Years from now, when the furnace needs a part or the AC loses its edge, the crew that installed it will still be answering the phone. That continuity is the whole point of hiring a local company.
Testimonials
Reviews Collected From Real Service Calls
We are proud to be the heating and cooling partner our neighbours trust and recommend.
“Markham HVAC Pros handled our furnace and air conditioner replacement quickly. The technician explained everything clearly and the repair process was smooth.”
SL
Sandra L.Markham, ON
“We needed air conditioning installation and they were quick to respond. Great service and very professional team.”
MT
Mark T.Toronto, ON
“They improved our indoor air quality and fixed ongoing hvac issues. Our home feels much more comfortable year-round now.”
JR
Jordyn R.Ajax, ON
Comfort Care
Protection for Every Season: Our Maintenance Plan
Well-maintained equipment breaks down less, runs more efficiently, and lasts longer. The plan builds that care in automatically: two thorough inspections a year, priority booking ahead of non-members, 15% off any repair along the way, and a running service log your future technician, or buyer, will thank you for.
Book Your Free Quote Today
Every hour without heat or cooling is an hour too many. Call and a licensed technician will walk you through next steps honestly, with no obligation attached to the conversation.
From the Blog
Latest News & Home Comfort Tips
Practical advice to help you get the most from your heating and cooling system in Markham's climate.
Home Comfort Tips
How Often Should You Service Your HVAC System in Markham, Ontario?
Markham's real seasons push your HVAC system hard. Here's how often you should service your furnace and AC, and why twice a year is the sweet spot.
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Home Comfort Tips
Signs Your Furnace Needs Repair Before a Markham Winter
Don't wait for the coldest night of the year. Here are the most common warning signs your furnace needs repair before a Markham winter sets in.
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Home Comfort Tips
Why Your Air Conditioner Struggles During Humid Markham Summers
If your AC runs all day but your home still feels sticky, humidity is likely the culprit. Here's why, and what you can do about it.
Read article
FAQs
Frequently Asked Questions
Costs, timing, warranties, and emergencies: we answer the questions we hear most often.
How quickly can I get furnace repair in Markham, Ontario?
Our expert technicians provide fast, reliable furnace repair in Markham and surrounding York Region areas. We prioritize emergency service calls so your home heating is restored promptly, often the same day.
What types of AC repair services do you offer?
We offer comprehensive AC repair in Markham, including diagnostics, component replacement, and maintenance for central air conditioning and ductless mini-split systems to meet your cooling needs.
How do I know if my heat pump needs repair or replacement?
Signs like uneven heating or cooling, unusual noises, or rising energy bills may indicate your heat pump needs service. Our team provides professional repair and installation for optimal year-round comfort.
Why is duct cleaning important for my home?
Dust and allergens reduce the efficiency of your heating and cooling system. Professional duct cleaning helps your HVAC system run better and improves the indoor air quality your family breathes.
Can you repair or replace my thermostat?
Yes. We provide thermostat repair and replacement in Markham, including programmable and smart models, to optimize your heating and cooling performance and lower energy use.
What types of fireplaces can you install?
We install gas, electric, and wood-burning fireplaces, safely integrating them with your home heating system for warmth, ambiance, and code-compliant peace of mind.
Do you install ductless AC systems, and are they energy-efficient?
Absolutely. Our ductless AC installations provide energy-efficient cooling and heating for precise comfort without the need for ductwork.
Are your technicians licensed and experienced?
Every technician on our team is fully licensed, insured, and trained to deliver professional service using proven repair techniques.
Do you serve areas outside of Markham, Ontario?
Yes. We provide HVAC services throughout Markham and nearby communities including Richmond Hill, Newmarket, Aurora, Vaughan, and across York Region.
Do you offer 24/7 emergency service?
We do. Heating and cooling emergencies don't keep business hours, so neither do we, call us any time, day or night.
Service Area
Serving Markham & Surrounding Communities
We provide fast, reliable hvac service throughout Markham and York Region. If you don't see your town listed, give us a call, chances are we cover it.