How and Why to Choose Energy-Efficient Windows


| 9/24/2015 9:34:00 AM


 

Ever since I began researching sustainable living more than a decade ago, I have heard the same thing over and over again: The single most important step you can take to make your home “green” is to swap out your old windows with shiny, new, energy-efficient ones.

The U.S. Department of Energy estimates that the amount of energy lost annually through windows costs consumers $35 billion. Heat loss and heat gain through and around windows accounts for between 10 and 25 percent of our heating and air conditioning usage, the largest consumer of energy in a modern home.

According to Energy Star, energy-efficient windows can save 7 to 15 percent of this energy loss (with storm windows, that figure rises to 25 to 50 percent), saving between $27 and $111 a year on energy bills for a 2,000-square-foot single-story home with storm windows or double-pane windows, or $126 to $465 if your home has single-pane windows. That’s a significant saving both for your pocket and the planet.

If your home already has storm windows or double paned windows, you can take steps to further improve their efficiency by caulking and weatherstripping. Window treatments will also help keep heat inside in the winter and outside in the summer. However, if your windows are old, damaged and/or single-paned, there is no doubt that you will save a lot of energy by replacing them with Energy Star rated windows.



 

Wanderingsky
12/17/2018 2:48:27 AM

However, never get "Low-E" windows as they will be the biggest window mistake you ever made as they are actually tinted and allow less light into your home. This can several lead to several problems the main one causing winter depression known as SAD due to the reduced amount of light you are getting. It can also increase mold buildup in your home since sunlight reduces mold growth. It will also be more difficult to grow plants especially if you sprout seeds indoors in the spring. You can forget about having a passive home heated by the sun. The energy savings are quite negligible as the windows that once had old windows combined with storm windows now result in very chilly rooms. 63 degrees when the rest of the house is 68. If you have old windows new windows will improve the situation but if your windows are in good shape, then not much.


Wanderingsky
12/17/2018 2:45:35 AM

However, never get "Low-E" windows as they will be the biggest window mistake you ever made as they are actually tinted and allow less light into your home. This can several problems the main one causing winter depression known as SAD due to the reduced amount of light you are getting. It can also increase mold buildup in your home and you can forget about having a passive home heated by the sun. The energy savings are quite negligible as the windows that once had old windows combined with storm windows now result in very chilly rooms. 63 degrees when the rest of the house is 68.




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