Windows and Doors     

 

 

 

Understanding Energy Ratings for Windows and Doors

 

By: Karin Beuerlein

 

Published: August 28, 2009

 

Qualifying for the $1,500 federal tax credit on new windows and doors depends on two measurements,

 

U-factor and Solar Heat Gain Coefficient.



Read more:

 http://www.houselogic.com/articles/understanding-energy-ratings-for-windows-and-doors/#ixzz0wtXcY6ZW