energy_Star_logo
http://www.energystar.gov/

 

 
efficient_windows_collaborativeCOMP

 

http://www.efficientwindows.org/index.cfm

NFRC

 

http://www.nfrc.org/

 

Cradinal_glass
http://www.cardinalcorp.com

 

seco-logo http://seco.cpa.state.tx.us/sa/sa_codes.php

 

epaseal
http://www.epa.gov/lead/index.html