Energy efficiency

Modern fresh bedroom with oak floor and browns bedding

If you want to increase your home’s energy efficiency, improve your lifestyle, save on fuel bills and help the environment, installing energy-efficient windows is a must.

Modern energy-efficient glazing

Double or single glazing that is more than 15 years old is not as energy efficient as modern glazing. In the last 10-15 years advanced technological innovation has seen energy-efficient glazing significantly develop with the introduction of:

Energy Savings Calculator

Energy Saving Calculator Icon V2

Want to know how much you could save by installing energy-efficient windows in your home? Use the GGF Energy Savings Calculator to calculate your potential energy and carbon savings in a matter of minutes.

Find out more about the calculator, how it works and tips for getting more accurate results on the main Energy Savings Calculator page.

Try it today: GGF Energy Savings Calculator

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  • A Guide to Trickle Ventilators
  • Condensation - Some Causes, Some Advice
  • GGF Consumer Guide for Conservatories and Orangeries
  • Emergency Glazing