Double glazed widows are definitely a good thing. Whenever someone is comparing double glazed sash windows to single glazed windows they probably already know what they want.
What is most likely happening is that the comparing person is trying to decide whether or not to install double glazed windows. They already know double glazed are better. So what is really being compared here? Are folks comparing two panes of glass with one? Well that’s easy. Two is one more than one.
Maybe what people are really comparing is cost effectiveness. That’s important. Installing double glazed windows is a significant investment. It will definitely cost more than single glazed.
However double glazed windows can save the homeowner money in the long run. Most of the heat that is lost from a house goes out through the windows. Likewise most of the benefit of air conditioning that is lost is a result of heat coming in through the windows.
Some of it can be managed with big heavy curtains or drapes. Of course they also block out light and generally in the winter you want all the light you can get. In the summer, well, it’s nice to be able to see then too.
Double glazed windows consist of two panes of glass with a space in between. The space filled with gas or air does not conduct heat well and therefore slows down the transfer from inside to outside. People who install double glazed windows will quickly notice a savings on their heating and cooling bills.
People who are trying to decide whether to install double or single glazed windows should consider whether the amount they will save on their heating bills will make enough of a difference to pay for the higher initial cost. They should also take into account the increased comfort they will experience. They will also notice decreased noise levels as insulated windows minimize sound as well as heat transfer.
Double glazed windows could add to the value of your house. Many home buyers are looking for homes that are environmentally friendly. They also want to be comfortable and keep their costs down.
Double glazed windows could actually decrease the value of your house if it is historically important. In fact you might not be permitted to install double glazed windows. There might be restrictions limiting what changes you can make. However many historically concerned groups have become aware that people are reluctant to purchase older homes because they are damp and drafty. Carefully crafted wood sash windows with double glazing can be made to match the original architecture and make the home more comfortable to live in.
Now, you are more than likely thinking about double glazed sash windows because you know how lovely sash windows are and you are right.