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WE ARE OPEN At Dupont Heating & A/C there’s nothing more important to us than our customers, our team members and the communities we serve. Our HVAC systems are an essential part of every home. You can rest assured that we take all necessary precautions to ensure the safety of our technicians and our customers, in accordance with guidelines set forth by The Public Health Agency of Canada.

24 HOUR 


Dupont is here when you need 

us most.





HVAC options


Reliable HVAC Contractor in Toronto

No matter the weather outside, HVAC appliances allow you to have a comfortable time at your homes and offices. From keeping your properties warm in the winters and cool in the summer, to giving round-the-clock access to hot water, HVAC systems play crucial roles. That is why you should only trust professionals with the installation, maintenance, and repair of your heating and cooling equipment.


Dupont Heating And Air Conditioning, started in 1964, is your reliable HVAC contractor in Toronto. When you need insured and licensed HVAC technicians, turn to us. As experienced HVAC contractors in Toronto, we can expertly install and fix your heating and cooling appliances. You can expect us to maintain the highest technical and safety standards in attending to your HVAC needs.


Do you require the services of an HVAC contractor in Toronto? Get in touch with us.


Professional HVAC Services for Homeowners

If you are a homeowner, count on Dupont Heating and Air Conditioning for prompt and professional HVAC services in GTA. We offer following services:


Keep your family comfortable with a warm home. Choose the furnace for your unique heating and health needs.


In-Floor Heating

Radiant floor heating heats your home by installing heat below or in between the floor.


Heat Pumps

Besides the name, heat pumps actually work to heat and cool your home year round.

Air Conditioners

Enjoy a refreshing night of sleep with the top of the AC units, each professionally installed by Dupont.


Hot Water Tanks

Reduce your bills by up to 40% with the latest technology of hot water tanks.


Custom Ductwork

We build and install hundreds of duct fittings and mechanical parts tailored for your needs.

Boilers & Radiators

Warm your home with state-of-the art hydronic heat boilers this winter.


Ductless AC

We offer quick installation of ductless air conditioners.


As professionals, we can help you choose the best products for your homes and deliver accurate repairs whenever required. With our experienced HVAC contractors, you can always look forward to quick and efficient services.


Expert HVAC Installation and Maintenance for Commercial Properties


We provide the following commercial HVAC services to small and large businesses in Toronto and nearby areas:


Boilers: In multi-residential and large buildings, we install and service all makes and models of boilers and hydronic heating systems.

Custom Ductwork: Efficiently heat and cool all areas of your business with our custom ductwork installation services.

Hot Water Tanks: Hot water is an essential service to many, and our goal is to keep your system running or provide you with a reliable replacement.

Rooftops: From retail applications to large warehouses, we can work on your rooftop HVAC systems to provide effective maintenance and repairs.


When you choose us for your commercial HVAC needs, you have the assurance of customer satisfaction! Request a free estimate from us today.


HVAC Expertise To Ensure Your Comfort

At Dupont Heating And Air Conditioning, we are a team of enthusiastic HVAC professionals in Toronto. Providing superior HVAC services, and solving your heating and cooling woes is what drives us. Keeping your comfort in mind, we always strive to provide quick responses and professional solutions. With us, you will never have to worry about a malfunctioning HVAC system for too long. Our HVAC experts also assist you in choosing the most suitable heating and cooling appliances for your homes.


Rely on us for seamless installations, hassle-free services and assured comfort throughout the year!


Emergency HVAC Services: There When You Need Us

An HVAC emergency can leave you frustrated and inconvenienced. That is why Dupont Heating And Air Conditioning offers 24/7 emergency HVAC repairs in GTA. Whatever the make or model of your furnace, air conditioner, or water heater, we have the expertise to handle it. As soon as you realize that there’s an issue with any of your HVAC systems, do not hesitate to call us. Our team will reach you, assess your units, and deliver accurate repairs.

Do not worry about an untimely breakdown in your furnace or AC, we are there whenever you need us!


Efficient HVAC Services- Reach Out to Us!

Whether you need scheduled HVAC maintenance or emergency HVAC repairs, we have you covered. We have decades of experience as HVAC contractors in Toronto. . You can call us at 416-532-2859 or email us at with your questions.  We look forward to hearing from you!

Commercial Services: For Small to Large Businesses in Toronto & Area


From multi-residential hydronic heating to large buildings we install and service all makes and models of boilers.

Custom Ductwork

Efficiently heat and cool all areas of your business with our custom ductwork install.

Hot Water Tanks

Hot water is an essential service to many, our goal is to keep your system running or provide you with a reliable replacement.

Contact Us


1400 Dufferin Street, 

Toronto, ON, M5H 4C8




From retail application to large warehouses, we know our rooftop HVAC systems.

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Business Hours

Available 24 Hours a day, 7 days a week

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