Contact customer service 

Give us a call at 717-365-3300. Our Customer Care team is available Monday through Friday from 8:00 am - 4:45 pm EST.

Submit a warranty claim

Claims for warranty service should be submitted online. Fill out the form here

Product questions

Your local MI dealer can help with product questions. Find a dealer near you

Become an MI dealer

If you're looking for information about how to become an Authorized Dealer for MI, please fill out the form here

Replacement Parts

Use the service request form to request replacement parts for your MI windows and patio doors. Fill out the form here

Website Feedback

If you're having challenges with one of our pages, please contact our website team and include the URL of the page and briefly describe the issue below so that we can look into the problem.

Please note that this email address is for website feedback only. Requests for service, parts, and warranty work will not be responded to.