Choosing a Double Glazed Window Near Me Double-glazed windows offer insulation that will help lower your energy bills over the long run. They are also built to last around 20 years. Choose frames made from uPVC or sustainably sourced wood if you are installing double-glazed windows. When selecting a company to replace windows, check out for important accreditations like FENSA. This will ensure that the windows you purchase are in line with the building regulations. ...