Welcome to Thermo Door, Garage Doors & Openers in Metro East, IL. We have locations in Troy, Belleville, O'Fallon, Millstadt & Alton. We are sure to take care of your broken garage door repair needs quickly. With over 30 years of garage door & opener repair expertise, we are confident we can get your door back on track in no time. We offer installation & maintenance services for garage doors, garage door openers, & door parts. Thermo Door, will service all brands of garage doors & openers and is a Horman Doors & openers, and Liftmaster authorized dealer. We also offer service calls on weekends for your convenience. Call us today!