Local window installation contractors have the expertise to handle all window-related jobs. It is there business to be experienced in repairing or replacing existing windows, or installing windows in a new construction project. You may be considering new windows for your home, business, or cabin. There are several factors in determining whether or not new windows are required. First of all, if you can feel cold coming in around window casings, it is definitely time to contact local window installation companies in your area. Secondly, if your windows are older, it is likely that the seals around the window are broken, and could be allowing heat to escape in winter, or heat to enter in summer. Broken seals also allow moisture to enter, which will eventually cause mildew or mold to take root in the window frames. In these cases, new windows from local window installation contractors are highly recommended. In addition, older windows are usually not treated with UV protection, and they almost certainly not low-E windows. The term low-E stands for low emissivity and means that the window is specially treated to prevent heat from radiating through the window. Low-E windows are proven to save significantly on heating and cooling costs. New, low-E windows will often pay for themselves in just a matter of years, by saving the homeowner on their utility costs.