We have a 9’ opening overlooking a golf course. We “inherited” Pella doors but the seals were broken and had cold air and even some frost come underneath the door last Winter. Illinois Energy Windows & Siding did our install in December, it’s now mid-February, and our house is well insulated with the new doors. We have a beautiful view and the sleekness of the new doors has enhanced the view. Friends and family have asked if we had the opening enlarged because of the effect. The staff, from salesman to office staff to installers were great to work with. We love our new sliding patio door!
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