Insulating windows helps to conserve energy and make your home warmer in the winter. Window glass loses heat faster than insulated walls or ceilings. Window insulation includes simple upgrades like ...

Question: We need to replace two living room windows. We looked at glass block windows because of the security for our family. How energy efficient are they and is it possible to get ones with ...

Q: I am considering installing glass block windows on some first floor ones for security. Is the solid glass energy efficient and can I have some summertime ventilation with them? A: From a security ...

Dear Jim: I want to replace some old single-pane, first-floor windows with glass-block windows for security. Are they as efficient as other new windows, can they be opened and can I install them ...

When winter arrives, it soon becomes clear that much of the cold enters your house through the windows. Window glass is a poor insulator compared to wall and ceiling insulation. Learn from experts ...