Enjoy modern comfort while preserving the charm of your original windows with Indow. Indow window inserts press inside your window frames without a mounting bracket to give you all the comfort and efficiency of high-end replacement windows. Indow inserts have the lightest touch, both structurally and aesthetically of any window insulation solution and are perfect for commercial and residential settings.

Supplier of 18th- & 19th-century building materials salvaged from old houses & barns: columns, doors, shutters, mantels, sinks & bathtubs; antique & resawn flooring; antique heart pine, ancient oak, chestnut, white pine & hemlock; radiators; since 1960.