We consider all of our Authorised Retail Partners to be the experts in their respective locations and are therefore able to provide a truly tailored design, installation and after-sales service. This ensures you receive the very best levels of service from a local, professional window installation company who will guide you through the quoting process, installation and provide you with the 10 Year Guarantee, without any pushy sales techniques often associated with the window industry. Each and every Evolution product that you purchase comes with a warranty in the form of an Authentication Certificate. This certificate is your proof that a genuine Evolution product has been fitted in your home and is covered by our full manufacturers warranty. If you sell your home before the end of the warranty period, you can pass on the certificate to your purchasers so that they can continue to enjoy the cover.