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Why Should I Worry About My Windows?

Submitted by Daniel on Tue, 2006-10-03 00:27.

Improving Window Energy Efficiency [PDF]

Windows can account for up to 25 percent of total house heat loss. This fact sheet describes affordable and effective options to improve the energy efficiency of the windows in your house. Improving the energy efficiency of your home's windows can substantially reduce your home's energy use, cut your heating and cooling costs and reduce greenhouse gas emissions that contribute to climate change.

If you are shopping for new windows Consumer's Guide To Buying Energy-Efficient Windows and Doors [PDF]. It contains the following Sections:

  1. Introduction
  2. How to Get Started
  3. Understanding Basic Terms
  4. How Windows Perform
  5. Condensation and Windows
  6. The Ratings Game
  7. High-Performance Windows
  8. The Benefits of High Performance Windows
  9. Doors, Patio Doors and Skylights
  10. Deciding What You Need
  11. Getting What You Pay For
  12. Need More Information?

For good advice on upgrading to energy-efficient windows check out Ratings and Recommendations at - Windows: Buying advice 6/04! In northern regions where heating bills are of concern they recommend to "give priority to well-insulated, double-glazed windows that are draft-free. A low-E coating isn't essential in places where summers aren't particularly hot. In central regions, both heating and cooling are concerns. As in southern regions, look for double glazing and a low-E coating. You'll also want high insulating performance and a solar-heat-gain coefficient of 0.55 or lower."