- 3850 Chesswood Dr North York, ON M3J 2P6
At Irwin Heating & Cooling, we’re proud to bring expert HVAC services to the heart of Markham. With years of hands-on experience and a reputation for honest, reliable work, we’ve helped countless homeowners stay comfortable through harsh winters and humid summers. Whether a quick repair or a complete system installation, we approach every job professionally and carefully.
Markham’s climate demands efficient, dependable HVAC solutions—and that’s precisely what we deliver. Our team is entirely licensed, insured, and trained to handle everything from conventional systems to the latest in high-efficiency equipment. No matter the home or the challenge, we’re here to keep your comfort running smoothly all year.
With Markham’s hot and humid summers, regular AC maintenance isn’t just a good idea—it’s essential. At Irwin Heating & Cooling, we provide thorough tune-ups that help your system run more efficiently, last longer, and avoid surprise breakdowns. From filter changes to coil cleaning and system checks, we cover all the essentials to keep your home cool and comfortable. Our maintenance service is designed to catch minor issues early before they turn into costly repairs.
Whether you have a central air system or ductless setup, we’ll ensure everything works just as it should. It’s comfort you can count on—without the guesswork.
Ductless systems are smart for Markham homeowners looking for efficient heating and cooling in one compact package. Whether adding comfort to a room without ducts, upgrading a rental space, or looking for zoned climate control, ductless mini-splits offer a quiet, flexible solution. At Irwin Heating & Cooling, we install, service, and maintain ductless systems built for long-term performance and energy savings. Our team helps you locate the correct configuration for your space and installs it carefully.
With reliable year-round operation and sleek, low-profile design, ductless systems are ideal for new builds and older Markham homes. We’re here to make your home more comfortable—one zone at a time.
Markham winters can be long and unforgiving, making reliable heating essential. Our heating maintenance services are developed to keep your system running safely and efficiently when needed. From inspecting burners and heat exchangers to checking airflow and thermostat performance, Irwin Heating & Cooling takes care of all the details. Regular maintenance not only boosts comfort but also extends the lifespan of your equipment.
We service all heating units, including furnaces, boilers, and radiant heating systems. With us, your home stays warm without unexpected repair bills.
Your thermostat is the brain of your HVAC system, and installing the right one makes a big difference. Whether you want a basic programmable model or a smart thermostat with complete app control, Irwin Heating & Cooling can help. We’ll recommend the best thermostat for your setup, install it properly, and ensure it communicates correctly with your system. The result? More comfort, better efficiency, and less manual adjusting.
We work with top thermostat brands and ensure you know how to use your new controls. It’s a simple upgrade that pays off in everyday comfort.
When your air conditioner stops working during a Markham heatwave, you need a fix—and fast. At Irwin Heating & Cooling, we offer quick, dependable AC repair services that get your unit back up and running without delay. Our experienced technicians accurately diagnose the problem, explain your options, and make lasting repairs using quality parts. We handle everything from refrigerant and faulty thermostats to electrical failures and airflow problems.
No matter the make or model, we’re ready to restore your cooling system and peace of mind. We show up on time, work efficiently, and leave your home as comfortable as possible.
Damaged or poorly sealed ductwork can lead to uneven temperatures, weak airflow, and higher energy bills. At Irwin Heating & Cooling, we specialize in repairing ducts and vents to confirm your HVAC system performs at its best. Whether you’re dealing with leaks, blockages, or disconnected sections, we identify the problem and provide a long-term fix. Properly functioning ductwork helps distribute air evenly and keeps your system from working overtime.
We take a detailed approach to every repair, ensuring your home stays cozy and efficient from room to room. It’s a simple repair that can make a significant impact.
We quickly fix unresponsive, inaccurate, or faulty thermostats—so your system runs as it should.
A malfunctioning thermostat can ruin your entire heating or cooling system, leading to uneven temperatures, poor efficiency, or no response. At Irwin Heating & Cooling, we provide fast, accurate thermostat repairs for all systems—whether a simple programmable unit or a smart thermostat. We’ll troubleshoot the issue, make necessary repairs, and restore the connection between your thermostat and HVAC system.
Our goal is to make your system responsive and easy to control again. With our help, you can enjoy reliable, hands-on comfort without the hassle.
Regular care keeps your heating and cooling units running smoothly year-round.
Your HVAC system works hard to keep you comfortable through every season—so routine maintenance is essential. At Irwin Heating & Cooling, we provide thorough, scheduled service that keeps your equipment efficient, reliable, and long-lasting. We handle everything from filter replacements and performance checks to cleaning and safety inspections. Our maintenance service helps reduce energy bills, extend the life of your system, and prevent surprise breakdowns.
Whether it’s your furnace, AC, or ductless unit, we ensure everything is tuned up and ready to perform. One simple service visit can make a big difference in your year-round comfort.
We help you choose and install the perfect air conditioner for your home and lifestyle.
When the Markham summer hits, you need an AC system that keeps up—quietly, efficiently, and without fail. At Irwin Heating & Cooling, we specialize in professional air conditioner installations tailored to your home’s size, layout, and cooling needs. We’ll guide you through your options, help you choose the right unit, and install it with expert precision. We aim to deliver long-term performance, energy savings, and everyday comfort.
We work with trusted brands and install both central air and ductless systems. When you choose us, you’re choosing a cooler, more comfortable home—guaranteed.
When it comes to Markham winters, having the right heating system makes all the difference. At Irwin Heating & Cooling, we install high-efficiency furnaces, boilers, and hybrid systems built to perform reliably in the coldest months. We assess your home’s size, layout, and heating needs to recommend a system that delivers powerful warmth without wasting energy. From start to finish, our team confirms that your new system is installed cleanly, safely, and to code.
Whether you’re upgrading an outdated unit or outfitting a new build, we make the installation process smooth and stress-free. With us, you get more than heat—you get peace of mind.
We fix heating, cooling, and ventilation issues—quickly, professionally, and with lasting results.
Whether your AC, furnace, or ductwork is acting up, Irwin Heating & Cooling is here to help. Our experienced technicians provide fast, accurate HVAC repairs that get your system back on track without delay. We handle everything from airflow issues and strange noises to complete system failures—always with a focus on quality workmanship and honest recommendations. No matter the season or the system, we’ve got you covered.
We service all makes and models and arrive prepared to resolve most problems on the spot. You won’t just feel the difference with us; you’ll trust it.
If your heating system isn’t working properly, even a slight issue can quickly become a significant discomfort—especially in the heart of a Markham winter. At Irwin Heating & Cooling, we offer fast, dependable repairs for all heating systems, including furnaces, boilers, and radiant setups. From strange noises and inconsistent heat to complete system shutdowns, we’ll get to the root of the problem and fix it right the first time.
We show up on time, explain everything clearly, and restore your heat with minimal disruption. You stay warm—and your system gets back to doing its job.
We install high-performance boiler systems built for long-term comfort and energy savings.
Boilers are one of the most reliable and efficient techniques to heat your home—especially during harsh Toronto winters. At Irwin Heating & Cooling, we install various modern boiler systems, including combi, conventional, and tankless models. Our team helps you locate the right solution for your home’s size, layout, and heating demands and installs it precisely and carefully. You’ll enjoy even, quiet heat and lower monthly energy costs with the right boiler.
We specialize in clean, code-compliant installations that deliver lasting performance. If you’re ready to upgrade your heating, we’re here to make it simple and stress-free.
Save space, cut energy costs, and enjoy hot water on demand—every day.
If you’re tired of running out of hot water or dealing with bulky tanks, a tankless water heater could be the perfect upgrade. At Irwin Heating & Cooling, we install high-efficiency tankless systems that deliver hot water when you need it—without waiting or wasting energy. These compact systems are ideal for busy households and smaller homes, providing long-term savings and unmatched convenience. You’ll enjoy cleaner, more efficient water heating from day one.
Our team will help you choose the right model and ensure a flawless installation. With us, you get modern comfort that never runs cold.
In-floor heating is one of the most comfortable and energy-efficient ways to heat your home, especially during Markham’s chilly seasons. At Irwin Heating & Cooling, we install radiant floor systems that deliver consistent warmth without noisy vents or bulky radiators. Whether you’re building new or renovating, we design custom setups that work with your flooring and layout. From bathrooms and basements to full-home systems, we make sure every room feels cozy from the ground up.
With no air movement and improved heat distribution, in-floor heating offers a clean, quiet, and low-maintenance solution you’ll feel every day. It’s comfort you’ll never want to live without.
Forced-air hydronic systems offer a flexible, energy-smart way to heat your home—especially in spaces where traditional ductwork won’t do. At Irwin Heating & Cooling, we install high- and low-velocity hydronic systems that deliver powerful, even heat through compact tubing and vents. These systems are ideal for renovations, older homes, or unique layouts, offering quiet operation and zoned comfort that adjusts to your lifestyle.
Whether you’re upgrading your current setup or exploring options for a new build, our team will design and install a hydronic system that fits your space perfectly. You get efficient, reliable warmth—without the noise or bulk.
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.
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Irwin Heating & Cooling is a locally owned and operated HVAC company providing reliable heating and cooling services with a focus on pristine quality, integrity, and customer care. Our certified team keeps your home comfortable year-round, from installations to repairs. We're proud to offer expert solutions backed by trusted brands and solid warranties. Count on us for dependable service that puts your comfort first.
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