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Current Board Posts

  • Friday April 17, 2015

    Installer Reccomendations-Yardley, PA

    Looking for some window replacement installers in the Bucks County, PA area. Quotes from PJ Fitzpatrick's -$1200 for (2) double hung windows? Sounds...

  • Wednesday April 15, 2015

    Installer Recommendation?

    This is one of the most informative sites I've stumbled on covering a mostly single topic!! Wow! Thank you for this.
    We live...

  • Tuesday April 14, 2015

    Recommended Installers/dealers in Rockford Illinois?

    I know Window4U services Chicagoland, not sure if he gets that far west. Perhaps he'll weigh...

  • Monday April 13, 2015

    Wrong section oops

    Dave (aka Window4U) is out of Chicago. Brandon (aka HomeSealed) is out of Milwaukee.
    You are just a tad bit...

  • Sunday April 12, 2015

    Overwhelmed with Replacement Window Choices

    I would throw out the Renewal quote given that you have a better option in the Marvin Integrity.
    Do you like...

  • Wednesday April 8, 2015

    DIY Install Questions (Pictures)

    I've done a bunch of windows on my past houses (but the cheaper Home Depot variety) but have a couple questions relative to...

  • Wednesday April 8, 2015

    The Window Store - Nordic Guard - WI

    Not sure where the proper home of this should be or if this is considered a review because I haven't ordered anything yet.

  • Friday April 3, 2015

    Great Lakes Ecosmart Windows - Should I keep looking?

    Regardless of where or how I search the internet... (other than the normal sales propaganda) I can find very little "current" information from...

  • Thursday April 2, 2015

    Ideal Majestic questions

    I am in SE PA. We are looking at replacement windows for a 20 year old house that currently has wood windows. Two...

  • Tuesday March 31, 2015

    trim around vinyl windows

    I'm confused.....one place wants to take down and replace the aluminum trim around my windows when they replace them and the other places...

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Do it Yourself- Replacement Window Video

 

Vinyl Replacement Window Glass

 

Layers of Glass and Air Spaces

Replacement Windows Rating

Single-pane. This has very little insulating value with (approximately r-1). It provides only a thin barrier to the outside and can account for considerable heat loss and gain.

Double-pane. To improve a window's energy efficiency the number of glass panes in the unit is doubled, because multiple layers of glass increase the window's ability to resist heat flow.

Triple Pane. These windows create an even more energy efficent window often with gas sealed in the frame. Triple Pane will add weight and expense to the window. They are used for northern climates and soundproofing near airports and highways.

Types of Glass

There are various types of glass manufacturers use in constructing windows.

Clear glass has been the primary material available for window panes in homes. However, in recent years, the market for glazing--or cutting and fitting window panes into frames--has changed significantly. Now several types of special glazing's are available that can help control heat loss and condensation.

Low-emissivity (low-e) glass. This has a special surface coating to reduce heat transfer back through the window. These coatings reflect from 40% to 70% of the heat that is normally transmitted through clear glass, while allowing the full amount of light to pass through.

Heat-absorbing glass. This contains special tints that allow it to absorb as much as 45% of the incoming solar energy, reducing heat gain. Some of the absorbed heat, however, passes through the window by conduction and re-radiation.

Reflective glass. This has been coated with a reflective film and is useful in controlling solar heat gain during the summer. It also reduces the passage of light all year long, and, like heat-absorbing glass, it reduces solar transmittance.