Ways Double-Glazed Windows Improve a Home

Glass windows let in light and provide an outdoor view. However, they can also allow unwelcome things to happen, such as your home becoming hot in the summer and condensation forming in the winter. With double-glazed units, you can enjoy the benefits of windows without experiencing their negative aspects. Here are some of the ways double glazing helps.

Energy Efficiency

These windows increase the energy efficiency of a house. Double-glazed units consist of two panes of glass with a gap in the middle filled with air or inert gas, which prevents heat from transferring through the window in either direction. The glazing blocks summer heat from getting in and winter warmth from escaping, so you will save on air conditioning and heating electricity costs.

Double-glazed windows can be made more efficient if low-E glass panes are installed. This type of glass reflects heat, and you can fit the Low-E glass to deflect warmth back inside in winter and to deflect the heat back outside in summer.

Noise Reduction

The double-glazing not only forms a barrier to heat but to noise as well. Sound waves are hindered from passing through the window, so your home will be more peaceful and protected from traffic, construction, and loud neighbours.

The extent of noise reduction will depend on the particular setup. Generally, thicker glass panes and wider gaps will block more noise. However, once the gap reaches a certain distance, a window can be less effective at stopping heat transfer. Your installer can explain the capabilities of various units.

Consistent Temperature

Double-glazed windows help to create more consistent and uniform temperatures in a home. In a room with a single-pane window, the area near the window can be extra hot in summer as the outdoor heat seeps inside. While you may have an air conditioner to cool the entire room, it can't precisely target the cool air, so it can't iron out inconsistent temperatures. Double glazing helps by reducing heat transfer, so the patchiness doesn't arise in the first place.


Condensation on glass panes is a problem in winter as it can lead to mould and rotting of window frames. Double glazing can help to lessen this issue. Condensation usually forms inside a single pane as the moist and warm indoor air is on one side and the cold outdoor air is on the other. The condensation develops as the warm air hits the cold pane. With double-glazed units, however, the inner pane is warmer and closer to room temperature, so condensation is less likely to form.

Reach out to a local supplier of double-glazed windows to learn more.