Get quality garage door sales, service, and installation from Hanover Door. We are a family owned-and-operated business serving Central PA and Northern MD. Our experienced certified technicians will install or repair your garage door or operators. Visit our beautiful showroom in New Oxford, PA today. Whatever type of garage door you purchase, we stand behind our work with a guarantee. Our experienced certified technicians will install or repair your garage door or operators. Visit our beautiful showroom in New Oxford, PA today. Whatever type of garage door you purchase, we stand behind our work with a guarantee. Ask yourself these questions before you buy: 1. What type of door are you looking for? 2. Is it purely functional and not intended to change the look of your home? 3. Is it a substantial part of your home's façade and very visible to yourself and others? 4. How much time do you want to spend with your door? Not sure about adding windows to your garage door? Consider the following... 1. Do you spend time in your garage and would you like to be able to see outside? Answer: Put windows on garage door at eye level. 2. Would you prefer to have light from the windows, but are not concerned with seeing outside? Answer: Put windows on the garage door in the top section. 3. If privacy is important, but you would like some natural light... Answer: Use opaque glass instead of clear glass. 4. If windows are not necessary, but you'd like to accessorize your door. Answer: Try decorative hardware. - Residential - Commercial - Openers - Parts - Maintenance - Service. Learn about common problems with your garage door or your garage door opener that you might be able to handle yourself. FREE ESTIMATES - Call for an appointment. 24hr Emergency Service. We are an accredited IDEA dealer and a member of the Hanover Chamber of Commerce and Gettysburg Chamber of Commerce.