Horizon Windows guarantee a Superior Service and use of High Quality Materials in all our UPVC Windows and Doors. Customer satisfaction is a priority for us. We have been installing quality UPVC windows and doors in the Dublin area for over 35 years. One of our experienced Sales Advisors would be happy to discuss the scheme with you. We understand that your home is much more than a place to live. It’s a place to relax and feel safe. Our Home Improvement Advisors are here to help you choose your home improvements wisely.