Journal
Comfort and Energy
Comfort and EnergyThe Best Windows for Cold ClimatesMulti-pane glass, warm-edge spacers and careful insulation keep cold out. Here is how to choose for deep winters.
Comfort and EnergyThe Best Windows for Hot ClimatesLow solar heat gain glass, light frames and tight seals keep hot houses cooler. Here is what to look for.
Comfort and EnergyWhat Do U-Factor and SHGC Mean on a Window Label?A plain-English guide to the two numbers that matter most on a window label, and how to pick them for your climate.
Comfort and EnergySingle-Pane vs Double-Pane vs Triple-Pane WindowsHow the number of glass layers changes comfort, noise and cost, and when each makes sense for your climate and budget.
