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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. HVAC systems play crucial roles, from keeping your properties warm in the winter and cool in the summer to giving round-the-clock access to hot water. That is why you should only trust professionals to install, maintain, and repair 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 for 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 the 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 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 to 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 home products 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 essential to many; we aim to keep your system running or provide 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. Remembering your comfort, we always strive to provide quick responses and professional solutions. You will never have to worry about a malfunctioning HVAC system for too long with us. Our HVAC experts also assist you in choosing the most suitable heating and cooling appliances for your home.

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

Emergency HVAC Services in Toronto: Your Reliable Partner in Crisis

Dealing with an HVAC emergency can be a stressful experience, causing frustration and inconvenience. Dupont Heating And Air Conditioning offers you - 24/7 emergency HVAC repairs in the Greater Toronto Area (GTA). Whether it's your furnace, air conditioner, or water heater, our team of experts is well-equipped to handle issues with any make or model.

When faced with a sudden breakdown or malfunction in your HVAC systems, you must have a trusted partner you can rely on. Dupont Heating And Air Conditioning is committed to being there for you whenever you need us. Our team is just a phone call away, ready to respond promptly to your emergency.

Feel free to reach out when you detect a problem with your HVAC units. Our experienced HVAC contractors will quickly mobilize to your location in Toronto, assess the situation, and provide accurate and efficient repairs. Our priority is your comfort, and we strive to minimize downtime; we ensure that your heating, ventilation, and air conditioning systems run smoothly.

Count on us - Dupont Heating And Air Conditioning for reliable and professional emergency HVAC services in Toronto. We are dedicated to keeping your home or business comfortable, regardless of the time or day. Trust us to handle your HVAC emergencies with expertise and efficiency.

Efficient HVAC Services- Reach Out to Us!

We have you covered whether you need scheduled HVAC maintenance or emergency repairs. 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!


Answering some of your most asked questions:

  • What Are the Types of Heating Services You Offer for Residential Properties?
    We provide a variety of heating services, including installation, maintenance, and repairs for various heating systems to make sure your home stays warm and comfortable.
  • Can You Customize Ductwork for Specific HVAC Needs in Residential Settings?
    Yes, we specialize in custom ductwork solutions tailored to your home's unique requirements, optimizing your HVAC system's efficiency.
  • What Commercial Hot Water Tank Solutions Do You Offer for Businesses in Toronto?
    Our commercial hot water tank services encompass installation and maintenance, providing reliable and efficient hot water solutions for businesses of all sizes.
  • Do You Provide Air Conditioning Services for Residential Properties?
    Absolutely! Our residential air conditioning services cover everything from installation to routine maintenance and repairs, ensuring a relaxed and comfortable living space during the hot summer months.
  • How Can Dupont Heating and Air Conditioning Assist with Commercial Boiler Services?
    Our commercial boiler services include expert maintenance and repair solutions to keep commercial properties operating smoothly and efficiently.

Feel free to contact us for our reliable services!

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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