On the Mark Mechanical: Your HVAC Partner in Ann Arbor, MI

When your furnace quits on a cold Michigan night or your AC fails during a humid Ann Arbor summer, you need a team you can trust. On the Mark Mechanical has been that reliable partner for homeowners and businesses since 1994. We provide 24/7 emergency service across the region, ready to get your comfort back on track.

Business Overview

On the Mark Mechanical is a full-service HVAC company serving both residential and commercial clients. Our team, led by a state-licensed contractor, focuses on solving heating, cooling, and air quality problems efficiently. We offer free estimates and stand behind our work, making sure your system runs right.

Key Services for Your Home or Business

We handle all the essential comfort systems for Michigan homes and workplaces. Our main services include:

• Heating & Cooling: Installation, repair, and maintenance for furnaces, boilers, and air conditioners.
• Water Heaters: Installing new units and fixing old ones so you never run out of hot water.
• Air Duct Cleaning: Improving your indoor air by removing dust and allergens from your ducts.
• System Maintenance: Regular check-ups to prevent breakdowns and keep energy bills lower.

Whether you're in an older Ann Arbor home or a new commercial building, we know the systems that work best for our local climate.

Areas We Serve

On the Mark Mechanical proudly serves a wide area around Ann Arbor, MI. This includes communities like Brighton, Chelsea, Dexter, Saline, Ypsilanti, Plymouth, Canton, Livonia, Howell, Fenton, and many more across Washtenaw, Livingston, Oakland, and Wayne counties. Our extensive local experience means we understand the common HVAC needs in area homes, from historic houses to modern subdivisions.

Company History & Steady Growth

The company started in 1994 with a simple focus: do the job right and treat customers fairly. Owner Mark Hanna built the business on strong principles and a commitment to honest service. For three decades, growth has come through customer satisfaction and referrals, not flashy advertising. That steady, reliable approach is still our foundation today.

Leadership with Deep Roots

Mark Hanna, the owner, began his HVAC career in 1984. He holds a Michigan mechanical license and trained at Lawrence Tech, Detroit Engineering Institute, and Washtenaw Community College. His strong mechanical background and long local presence mean he knows the ins and outs of Michigan's HVAC challenges. He's built a team that shares his dedication to quality work.

What Makes Us Different

Here are a few reasons On the Mark Mechanical stands out in the Ann Arbor, MI area:

• Three Decades of Experience: We've seen and fixed almost every HVAC problem you can imagine.
• Owner-Operated & Licensed: Mark is directly involved, bringing his extensive training to every job.
• 24/7 Emergency Service: We're here when you need us most, day or night.
• Residential & Commercial Expertise: We service everything from small homes to large business facilities.
• Local Knowledge: We understand Michigan's seasonal extremes and how they affect your systems.

Why Locals Choose On the Mark Mechanical

People in Ann Arbor and the surrounding towns choose us because we get the job done right. We're not a big corporate chain; we're a local business that depends on our reputation. With a licensed owner, decades of hands-on experience, and a commitment to fair dealing, we've earned trust one home and one business at a time. When you need HVAC, water heater, or duct cleaning service, you can count on On the Mark Mechanical to be on the mark.