HVAC Services & Repair in South Lyon, MI
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
Trusted Heating & Cooling Experts for 22+ Years
At CSM HVAC LLC, we take pride in delivering dependable, high-quality heating and cooling services backed by 22+ years of industry experience. From furnace repair to AC repair, water heater service, and complete HVAC system installations, our mission is to keep your home comfortable all year round.
We believe in honest pricing, expert workmanship, and treating every customer like family.
Repair & Maintenance
Our Services
Furnace Repair
Fast, reliable furnace repair to keep your home warm during Michigan winters.
Air Conditioning Repair
We repair all AC brands and cooling systems with same-day availability.
Heating Services
Complete heating system installation, tune-ups, and repairs.
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.
We’re Most Trusted Car Repair Service.
Cars Repaired this Year
Tires Replaced this Year
If You Have Any Questions, Feel Free To contact us
Phone Number
248-880-7865
Email Address
info@demo.com
Why Choose Us
Our Advantages
Free Trade
Appraisal
Trained
Technicians
Low Price
Guarantee
Quality
Service
A Life-Time
Warranty
Quick Service
Times
WATCH OUR VIDEO
Work process
Our work process
is fast and easy
Rquest your quote
We will be there when you most need us
Bring your vehicle
We are car guys at heart
Get it repaired
High quality, low cost car servicing
Customers
Feedback
South Lyon HVAC - Cornerstone Mechanical LLC.
Our Team
Justin Chick
Owner – Technician
Dara Chick
Owner – Office Sheduling
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
