As a neighbour whose home we just serviced, you get access to exclusive savings of up to 25% off you will not find anywhere else. Whether you’re upgrading, fixing, or planning ahead — we’ve got a deal made just for you.

As a neighbour whose home we just serviced, you get access to exclusive savings of up to 25% off you will not find anywhere else. Whether you’re upgrading, fixing, or planning ahead — we’ve got a deal made just for you.
Efficient, eco-friendly heating and cooling all in one.
Perfect for additions, or rooms without ductwork.
Stay cool and comfortable when summer hits.
Stay warm and cozy.
*Varies by system type.
Humidifiers, smart thermostats, air cleaners & more.
Get ahead of issues and keep your system running efficiently.
Get ahead of issues and keep your system running efficiently.
Breathe cleaner, fresher air at home.

With over half a century of experience, A1 has become a trusted name in providing comfort to Canadian homes. We’re not just a company—we’re part of the community, committed to supporting local families with dependable and innovative solutions for years to come.

Our products are built to perform, saving you money on energy bills while keeping your home cozy year-round. By choosing A1’s advanced systems, you’re investing in cutting-edge technology designed for durability and efficiency, ensuring your comfort doesn’t come at the expense of the environment.

Our team of professionals goes above and beyond to make sure your installation is flawless. But it doesn’t stop there—our exceptional customer service means we’ll be with you every step of the way, answering your questions and ensuring your satisfaction long after installation is complete.

Boost your home’s efficiency and take advantage of our limited-time winter offer. Not sure if it’s time to upgrade? No problem — we’ll assess the health of your current furnace first. If a replacement is the right move, we’ll waive the $149 diagnostic fee and you’ll save $1000 on your new system. It’s truly a win-win: clarity on your furnace’s condition, and guaranteed comfort and warmth all winter long.


At A1, we provide smart and innovative heating, cooling and indoor air quality solutions in the GTA. With a family-oriented approach, local expert advice and best-in-class service & installation – A1 has been delivering quality and customer satisfaction since its inception in 1967.
