Having a glass door means your home is exposed to weather elements because glass is a considerably poor insulator. It means on a hot day, the glass will allow the penetration of solar energy into your home. On the other hand, on a cold day, glass allows the heat inside your home to escape. It is, however, very possible to reduce the amount of heat that our home loses through the sliding glass door by replacing the doors with low-emissivity doors. The low-E doors have a unique coating, which helps in preventing the radiation of energy through the glass.
If you are a homeowner with no experience in carpentry, you will definitely find it difficult to replace your sliding door broken glass. However, there are other ways of weatherproofing your sliding glass door, which will lower the level of energy lost through the door by a great margin.