Over the past few years, I have had all the windows in my town house condominium. I've noticed a huge difference in the comfort of my home. Leo has been great as have Malcolm and the installation crew. When other home owners have asked for a recommendation for a window replacement contractor, I have happily passed on SIS's - and Leo's - name. Thanks guys for the great service and a great product. Elizabeth
- Company Response
Thank you Elizabeth, we appreciate your comments. Between Leo and Malcolm, they have a tremendous amount of experience and a vast amount of knowledge. Both Leo and Malcolm will be pleased to know that you are happy with their work.