24/7 Emergency Service Available
Heating & Cooling South Lyon, Michigan: Serving All Surrounding Areas
Honest Pricing
No hidden fees, no upselling — just trustworthy service.
Fast & Reliable Service
We show up on time, diagnose accurately, and fix it right the first time.
Satisfaction Guaranteed
We stand behind every job we complete.
Furnace Repair
About Cornerstone Mechanical
Expert HVAC & Home Comfort Solutions in South Lyon and Surrounding Areas
At Cornerstone Mechanical, we take pride in delivering dependable, high-quality heating and cooling services backed by 24+ years of industry experience.
Whether you need urgent furnace repair, high-efficiency AC installation, or reliable water heater service, our mission is to keep homes comfortable throughout South Lyon and our neighboring Michigan communities. We believe in honest pricing, expert workmanship, and treating every customer like family—including offering 24/7 emergency service when you need us most.
Repair & Maintenance
Our Services
Fast, reliable furnace repair to keep your home warm during Michigan winters.
We repair all AC brands and cooling systems with same-day availability.
Expert repair and replacement for tank and tankless water heaters.
Our Service Benefits
Expert HVAC Solutions
Welcome to Cornerstone Mechanical, your trusted source for top-quality HVAC services. Our team of experts is dedicated to providing reliable solutions that will keep your home or business comfortable year-round.
Proudly serving homeowners across South Lyon, MI and surrounding areas, including: New Hudson, Wixom, Lyon Township, Milford, Brighton, Novi, Whitmore Lake, and more.
Providing the Foundation and More, For Your Heating and Cooling Needs
Contact Info
