Elevated Expertise. Exceptional Reliability. In Ontario, your HVAC system isn't just a luxury—it’s a necessity. We provide a seamless service experience that prioritizes system longevity and peak performance.

Authorized Partnership: We are vetted dealers for the industry’s leading brands, ensuring you receive genuine parts, expert installation, and full manufacturer warranties.
Certified Precision: Our technicians are specialists in both gas and electric systems, ensuring every repair or install meets rigorous safety and efficiency standards.
Local Accountability: Based in Ajax, we’ve built our reputation on being the most reliable team from Pickering to Oshawa and Whitby.

Our Core
Service Pillars

High-Efficiency Heating: Specialized furnace installation, heat pump integration, and precision repairs to keep your home a sanctuary all winter.
Advanced Cooling Systems: Engineered AC solutions designed to handle the humid Durham summers with whisper-quiet efficiency.
Commercial HVAC & Refrigeration: Minimizing downtime for local businesses with expert RTU maintenance and restaurant refrigeration services.
Indoor Air Quality: Advanced filtration systems to protect your family’s health and improve your home’s air hygiene.

What Our Customers Say…

Testimonials

…very fair with pricing, extremely personable, and left no mess.

The "No-Stress" Process

Request a Quote: Use our streamlined online form for a fast, transparent estimate.
Expert Consultation: We assess your unique needs—no high-pressure sales, just professional advice.
Flawless Execution: Our team handles the installation or repair with surgical precision and total respect for your home.

Secure Your Comfort Today

Experience the difference that technical mastery makes. Join the hundreds of homeowners in Ajax and the Durham Region
who trust Hatco for their heating and cooling

Request My Professional Quote

Our Trusted Suppliers

We work with top HVAC suppliers to bring you reliable, high-quality systems and components.
Trusted partners, superior products, and your comfort—guaranteed.