While it might look silly, the people putting bubble wrap on their windows are actually onto something — and saving some money in the process.

The annual battle with heating bills is raging again this January as frezing cold temperatures, ice and snow mean we've all had to reach for the thermostat and run the boiler probably a bit more often ...

A new, thin insulator has been designed to boost the energy efficiency of windows by blocking heat. Designed by a team from the University of Colorado Boulder, this invisible window shield material ...