
Our team is entirely licensed and insured, so you can rest peacefully knowing your household is in safe, qualified hands. Safety and compliance are always a priority.

We take pride in mastering top-notch HVAC solutions tailored to your home’s needs. From installation to maintenance, every job is done with precision and care.

We respect your time. Our team arrives when scheduled and works efficiently to complete your project without unnecessary delays.

Comfort shouldn’t come at a high cost. We offer competitive rates without cutting corners—giving you the best value for your investment.
Honest Work. Reliable Comfort.
At Irwin Heating & Cooling, we’re committed to keeping your home comfortable all year long. From heating and cooling installations to fast, reliable repairs, we bring experience, honesty, and quality to every job. Serving Toronto and the surrounding areas, we’re here when you need us most.




Expert installation, repairs, and maintenance across the Greater Toronto Area
Regular AC maintenance keeps your system efficient and helps avoid breakdowns. We check everything from filters to refrigerant levels for peak performance.
We install, repair, and maintain ductless mini-split systems for targeted comfort. These systems are ideal for homes without central ducts or for adding zoned climate control.
Seasonal tune-ups for your heating system ensure it runs safely and efficiently. We inspect, clean, and calibrate everything before the cold hits.
Whether installing new ductwork or replacing old ductwork, we ensure proper airflow and distribution. Our vent setups are optimized for performance and comfort.
We install standard and smart thermostats that improve your home’s climate control. With them, you can achieve precision temperature management and potential energy savings.
Is your AC blowing lukewarm air or not turning on? We diagnose and fix all makes and models quickly and reliably.
Leaky or damaged ducts? We seal, repair, or replace them to restore full airflow and improve energy efficiency.
If your thermostat is inaccurate or unresponsive, we’ll get it working again. We handle everything from simple wiring fixes to complete replacements.
Comprehensive maintenance checks keep your HVAC system running smoothly all year. Our inspections catch issues early, helping you avoid expensive repairs later.
We install energy-efficient AC units tailored to your home’s size and needs. You can count on us for clean installations and expert system sizing.
We install heating systems built for reliable warmth, from furnaces to heat pumps. We help you choose the right system and ensure it’s installed to code.
We troubleshoot and repair full HVAC systems, regardless of brand. If your heating or cooling isn’t working properly, we’ll get it back on track fast.
Losing heat in the middle of winter? We quickly diagnose and overcome issues to restore warmth and comfort.
We install high-efficiency boilers, space-saving tankless units, and combi systems. Our work meets all safety standards and delivers lasting performance.
Radiant in-floor heating provides quiet, even warmth, right where you need it. It’s energy-efficient and ideal for bathrooms, basements, and more.
We install and service traditional and modern radiator systems. Radiators are a reliable and effective way to heat your home evenly.
We specialize in forced-air hydronic systems that deliver powerful, consistent heating. High-velocity systems are perfect for retrofits, while low-velocity suits quieter comfort.
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We’re not just HVAC technicians—we’re your neighbours in the Toronto community. At Irwin Heating & Cooling, we believe in doing things right the first time.
Irwin Heating & Cooling has provided dependable heating and cooling solutions to homeowners across Toronto, Vaughan, Mississauga, Markham, and Richmond Hill for years. We offer everything from AC and furnace installations to ductwork, boilers, thermostats, and high-efficiency hydronic systems. Our goal is simple: to provide expert service with no pressure, no gimmicks, and complete transparency every step of the way.
We’re certified Mitsubishi installers and a trusted Coleman dealership—meaning you get top-tier equipment backed by industry-leading warranties. But what truly sets us apart is our dedication to friendly, affordable, and on-time service. Whether you’re looking for a quick repair or planning a complete HVAC upgrade, you can count on us to treat your home like our own.

We combine expert craftsmanship with genuine customer care—no shortcuts, just solid service.

Your safety is our priority. Every technician is fully certified and insured so that you can feel confident in the quality and compliance of our work.

Our certification ensures your ductless system is installed to the highest standard. For long-term peace of mind, you also get a 10-year manufacturer warranty.

We don't believe in pushy sales tactics. Our team takes the time to assess your requirements and explain solutions clearly—no commitments are required.

As an official Coleman partner, we offer reliable heating and cooling systems backed by premium warranty coverage. With every install, you get trusted performance.

We handle everything from heating to cooling, boilers to ductwork under one roof. You won't need to juggle multiple contractors—we've got you covered.

We provide honest quotes without hidden fees. You'll always know exactly what you're paying for—professional work at a fair price.

We value your time as much as you do. Our team shows up on schedule, works efficiently, and leaves your home clean when we're done.

We're not a faceless franchise. Irwin Heating & Cooling is proudly local and committed to serving Toronto families with care, consistency, and pride.
Real stories from homeowners who’ve trusted Irwin Heating & Cooling for comfort, quality, and peace of mind.
Cleaned and repaired my aunts boiler. Works wonders now. Thank you for your timely, efficient and great service. I would recommend this company to anyone who needs work done on their hvac system.
Professional service. Job well done and to schedule. Would definitely call Irwin heating for all my future heating needs.
Giancarlo handled a complete HVAC build for a 4 unit rental property. Not only were he and his team great communicators, but they helped us make decisions regarding the build. He installed a boilers over 12 rads and 5 heatpumps. He was always ontime, professional and his work is immaculate. I highly recommend Giancarlo for all HVAC needs and look... Read Moreforward to using Irwin Heating and Cooling again.
My experience over the past 5 years continues to be positive with Giancarlo and his technicians. Unfortunately, I did not get the names of the 2 technicians today, but I dealt with them in the past. They are 2 awesome young men, very polite, professional and they answered all my questions. I look forward to doing business with Irwin Heating... Read Moreand Cooling in the future. Just found the name of one of the technicians, his name is Alex Rady-Pentak
Highly recommend Giancarlo's services from Irwin Heating & Cooling. Not only was Giancarlo knowledgeable, kind, and courteous, he was also extremely reliable and trustworthy. Giancarlo got the job done exactly when promised and even came back to check on how things were going. Very satisfied with our services.
Giancarlo and his team installed a new heat-pump hot water heater in my home and the whole process was great. Quote was reasonable, install was cleanly done within a few hours, and they even dropped off the old tank for me. I would highly recommend their services!
I have enlisted the services of Giancarlo twice now for my mother's home that is over 100 years old. He is precise with the work he has done and I never feel like I'm being taken advantage of. I look forward to doing more work with Giancarlo in the future.
We had Giancarlo and Irwin Heating and Cooling come to do some repairs to our furnace. They came promptly and fixed the problems. Giancarlo explained everything thoroughly and was a pleasure to work with. We ill be calling him again whenver we have any problems!
I was recommended to Irwin Heating from a close friend. He used him (Giancarlo the owner) for several matters including AC replacement and other furnace fixes. The reason why I reached out is I heard he is the consummate professional, super responsive, very knowledgeable and is reasonable in their advice and price. I’m so glad I called... Read Morehim in to diagnose our 20 year old furnace which had been acting up. He was so responsive to booking a time to come see the furnace and to give his honest feedback and recommendations. We scheduled in for his crew to come install a few days later and I am extremely IMPRESSED. They know what they are doing and are just very courteous with service and with my concerns and all my questions that I had!! They (especially) the lead installer ALEX was so patient with me and ensured I knew what was going on and that I understood their installation. Thank you we are going to have a warm and safe winter season!
Knows his industry. Professional and polite. Will attempt the smallest and need a ladder spaces. Trusted at the get go to replace the AC so I had him replace the heating system. Stress and worry free. Did not attempt any other companies for a quote as others in our building have used Giancarlo’s trusted services.
Giancarlo and his team at Irwin Heating & Cooling was beyond a 5 out of 5. We called them to service a non- functioning AC unit. While here we hired then to do a check up and maintenance of the other AC unit (we have two at the house) and our two furnaces. They not only did the service in... Read Morea professional manner, they explained everything along the way. Explaining what they were doing and highlighting issues they encountered and how they were fixing it and what we could do for self preventative upkeep. Unfortunately one AC was beyond repair and had to be replaced. They provided multiple options of AC units and explained the pros and cons of each (we chose the higher energy efficient unit and they explained the estimated energy saving and return on investment). They arranged for a crane to lift the unit up on our roof and remove the old device. (I checked privately the cost to hire a crane and Irwin didn’t even mark up the cost they passed on to us). The install had some roadblocks with the design of our house but they found solutions for it all. More impressive is the customer service after they leave. They are responsive via phone and text. When the AC unit was turned on, we thought we had a problem with the thermostat. Giancarlo explained over phone and text how to resolve it remotely and assured us along the way all was good. We have referred Irwin to our neighbours and they have been happy too. I almost never write a Google review for any business but felt I needed to for Irwin as we have been very impressed.
We were pleased with the prompt service and advice from Giancarlo about the state of our furnace. Subsequently his crew installed a new furnace, filter box, venting and thermostat. We are happy to recommend their work.
Great installation team. Very professionals and polite. The whole process was very smooth. Highly recommend.
Very professional, knowledgeable and efficient in his work. I only refer Irwin heating and cooling to my clients for all their HVAC needs. Giancarlo has never let me down and has provided the highest quality of service.
I highly recommend Giancarlo and his team. Giancarlo responded quickly to my inquiry, and completed a complicated job efficiently and effectively. His communication was great throughout the process -- he answered my many questions patiently and thoroughly.
We’re just a call away wherever you are—bringing expert HVAC service to your doorstep.

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