Heat gain or loss through windows accounts for 25% to 30% of our home’s heating and cooling energy use. Drafty windows are another common issue that leads to high utility bills and inconsistent indoor ...

Energy-efficient windows make up more than 90 percent of all new window installations in the U.S., according to a survey by the National Association of Home Builders. But they can become problematic ...

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(via SciShow) Low-E windows have reduced the amount of energy required to heat and cool our buildings, a critical step in fighting climate change. But new research suggests we've lost something ...

Dear Jim: My house needs more efficient windows. I live alone, so I am considering some glass block windows for security. Are they very efficient and how can I have some summertime ventilation with ...

Reflective roof coatings, permeable pavements, heat-proof windows that bounce away the sun’s energy, super efficient air conditioning units that burn less electricity to tame increasing temperatures: ...

Energy-efficient windows often feature multiple glass panes, gas fills, low-e coatings, and well-insulated frames. Proper installation is crucial to ensure a window's energy efficiency benefits are ...