Local HVAC contractor providing repairs, installations, and maintenance for heating, cooling, and water heating systems with evening and weekend availability.
Clear communication, punctual arrival windows, and tidy work areas are consistent themes from local customers. The company supports both urgent fixes and full-system replacements, and provides practical guidance on equipment choices that fit the home and budget. Convenient hours, including evenings and Sundays, make it easier to book service without disrupting the day.
Serving homes in Markham and surrounding York Region communities, with quick access to nearby neighborhoods.
Heating and cooling diagnostics and repair; furnace and AC installation; heat pump options; hot water heater and tankless installation; thermostat setup and system balancing; seasonal maintenance and safety checks; light ductwork adjustments and airflow improvements; basic indoor air quality add-ons such as humidifiers.
Recent reviews frequently mention quick response on urgent furnace issues, including after-hours help. Customers note polite communication, clear explanations, and efficient problem-solving. Installation feedback highlights tidy work and competitive pricing for water heaters, AC systems, and related equipment. Overall sentiment points to punctuality and professionalism across both repairs and installs.
I had an emergency issue with my furnace and called Ahsan late at night. He answered right away and was at my home within the hour. He was able to diagnose the problem and repair the issue successfully. He was professional, polite, and very easy to work with. I would definitely recommend his services!
Can not speak highly enough for Ali! We had a sudden issue with our furnace and thermostat. Ali was able to promptly help us and provide out of hours service. He thoroughly inspected our at home system and was able to find the issue. Ali was incredibly knowledgeable, polite, cordial and helpful. Would definitely recommend him for any of your maintenance needs!
My husband and I were very impressed with the level of service on installation of a new hot water heater in our home. Ahsan was very professional, courteous and efficient doing this install. Pricing was also very competitive. Great customer service! We highly recommend Markham Mechanical.
Excellent HVAC Service – Thank You, Ehsan!I had a fantastic experience with this HVAC company, and I want to especially highlight the incredible work done by Ehsan, the installer. From the very beginning, everything was handled professionally and with great care.Ehsan was punctual, courteous, and clearly very experienced. He explained the installation process, answered all my questions, and made sure everything was done to the highest standard. The work was clean, efficient, and completed right on schedule.The new system is running perfectly, and I truly appreciate the time Ehsan took to show me how to use and maintain it properly. It's clear he takes pride in his work, and it shows in the results.I highly recommend this company and Ehsan for anyone looking for honest, skilled, and reliable HVAC service. Truly a 5-star experience!
We had an excellent experience with Markham Mechanical when they installed a new AC system in our home. From start to finish, their service was top-notch. Even on short notice, they were prompt, professional, and incredibly efficient.The Tech took the time to assess our home properly and recommended the most suitable and energy-efficient unit. He was very knowledgeable, courteous, and clearly skilled at what he does. The installation was done with great attention to detail, and everything was clean and organized when they finished.We really appreciated the transparency in pricing—no hidden fees or surprises. The tech also walked us through on how to use and maintain the system, and made sure everything was working perfectly before leaving. The whole process was smooth, stress-free, and handled with a high level of professionalism. If you’re looking for a reliable, honest, and high-quality HVAC company, I’d highly recommend Markham Mechanical without hesitation.
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