When temperatures drop, you usually feel it first not in the walls, but in the tiny gaps where cold air sneaks in and warm air slips out. Instead of tearing into drywall or budgeting for a major ...

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 ...

Physicists at CU Boulder have designed a new material for insulating windows that could improve the energy efficiency of buildings worldwide—and it works a bit like a high-tech version of Bubble Wrap.