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Expert Heating & Cooling Services

Heating & Furnace Solutions, AC Repair & Installation, Water Heater Maintenance

Fast, reliable heating & cooling solutions for South Lyon, MI, backed by 22+ years of experience.

Whether you need furnace repair, AC service, new equipment installation, or annual maintenance, Cornerstone Mechanical is here to keep your home comfortable all year long.

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.

Cooling Services

From AC installation to maintenance, we keep your home cool and efficient.

Water Heater Repair & Installation

Expert repair and replacement for tank and tankless water heaters.

Indoor Air Quality

Improve your home’s air with humidifiers, purifiers, filters, and more.

Providing the Foundation and More, For Your Heating and Cooling Needs

Contact Info

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Better yet, see us in person!

We stay in constant communication with our customers until the job is done. To get a free quote, or if you have questions or special requests, just drop us a line.