123 AC INC.
Where Comfort Meets Quality
About Us
At 123 AC Inc., we believe comfort is not a luxury — it’s a necessity. We provide professional heating, cooling, and hydronic solutions designed to keep your home and business comfortable, efficient, and reliable year-round.
Serving homeowners and commercial clients across the Greater Toronto Area, our team combines hands-on experience with strong engineering knowledge to deliver HVAC systems that are not only installed properly — but designed correctly from the start.
Engineered Comfort Solutions
Unlike many contractors who simply replace equipment, we approach every project with an engineering mindset.
Our expertise includes:
- High-efficiency furnaces
- Air conditioning systems
- Heat pumps
- Boilers and hydronic systems
- Tank and tankless water heaters
- Rooftop units
- Radiant and in-floor heating
- Custom system design and upgrades
- Snow melt System and in-floor heating
Experience You Can Trust
With years of industry and academic engineering experience, we understand HVAC systems beyond installation — we understand how they work, how they fail, and how to optimize them.
Our approach is built on:
• Transparent pricing
• Honest recommendations
• Quality workmanship
• Reliable timelines
• Long-term customer relationships
Commitment to Quality & Value
At 123 AC Inc., quality is never compromised. From equipment selection to final commissioning, we focus on durability, efficiency, and clean professional installation.
We also understand that HVAC investments can be significant. That’s why we offer competitive pricing and flexible payment options to make comfort accessible for every client.
Building Long-Term Relationships
Most of our business comes from repeat customers and referrals — something we take great pride in. We treat every home and business as if it were our own, because trust is the foundation of our company.
When you choose 123 AC Inc., you’re choosing a partner committed to delivering comfort that lasts.
Let’s Build Your Comfort System
Whether you need a new installation, system upgrade, or professional consultation, we are here to help.
Experience where comfort truly meets quality.