Preventive Maintenance

A preventive maintenance agreement with the Gallagher Company can save you thousands of dollars over the life of your HVAC equipment. If you need help now, our service department is available 24 hours a day. Learn More»

Design / Build

Working with a single contractor for design, fabrication, installation and project management saves you time. The Gallagher Company has the capability and resources to take your project from the ideas phase to completion. Learn More»

New Construction

The John F. Gallagher Company has worked on some of the largest mechanical contracting projects in Greater Cleveland. Click here to learn more about our portfolio. Learn More»