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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.

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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. We provide residential and commercial HVAC services.

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.

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

Heat pumps can be used to heat and cool your home all year.

Enjoy a cool night with the top-of-the-line AC units. We are an authorized dealer of the Carrier product line. We install and repair air conditioners to meet your needs.

With the latest technology in hot water tanks, you can save up to 40% on your utility bill!

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

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

We offer quick installation of ductless air conditioners.


As professionals, we can help you choose the best products for your homes and provide speedy repair services whenever required. With our experienced HVAC contractors, you can always receive 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:

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

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

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

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

When you choose us for your commercial HVAC needs, you can ensure 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!

Contact Us


1400 Dufferin Street, 

Toronto, ON, M6H 4C8


Email Us


Business Hours

Available 24 Hours a day, 7 days a week

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