All of Trade Conservatories 2 U Energy Rated Windows are designed to have a great energy rating by getting tested against Heat retention, Weatherproofing, Sound Insulation, Resistance to condensation.
For a Window to be saving energy it has to be a rating A, if windows are reaching results of C or below are classed as not saving energy however all of Trade Conservatories 2 U Energy Rated Windows are all A rated.
Visit the Trade Conservatories 2 U Ltd website for more information on Energy Rated Windows