| As of late there has been a surge in enquiries for | | | | New materials are also used for the actual UPVC |
| more energy efficient double glazing across the | | | | frames that are fitted which are more thermally |
| United Kingdom. The reason for this is due to new | | | | efficient than previous offerings, steel and metal |
| homes being subject to an energy compliance and | | | | reinforcing that used to be used for windows and |
| efficiency rating by councils before the house is to | | | | doors has also been minimised due to heat loss. |
| be sold. Energy efficient homes will also be easier | | | | The glass used in the new style of windows is |
| to sell in the future with the introduction of new | | | | low 'e' glass which has a special coating that helps |
| laws and taxes with regards to heating and the | | | | the efficiency of the windows. The favoured glass |
| environment. | | | | in the UK at the moment is developed by a |
| So what exactly are A rated windows or double | | | | company called Pilkington which boasts the most |
| glazing, well they are windows which whilst | | | | energy efficient glass surpassing the ratings and |
| keeping cold out of a house they are the most | | | | tests of all companies so far. After installation of |
| efficient at keeping heat in with minimal loss | | | | these new windows house holders can expect a |
| through gaps and the window itself. This is | | | | reduction in heating bills of at leat 30% as well as |
| achieved by filling the glass units with argon gas | | | | extra noise reduction. |
| and keeping glass and frame depth at a minimum. | | | | |