Is it time to renovate your office space? Why not start with the things that can save you money and improve the morale of your workers. Replacing a glass office window, door or wall and you will reap immediate benefits both quantifiable and unquantifiable. If your office windows have been serving you for about 10 years or so, you may need to check how they are doing for insulation from weather and sound. They may be part of the reason why you are paying hefty heating bills and replacing them could reduce your electricity bills every year.