Glass Performance

SOLAR HEAT GAIN COEFFICIENT (SHGC)
The SHGC is the fraction of incident solar radiation admitted through a window, both admitted through a window, both directly transmitted, and absorbed and subsequently released inward. SHGC is expressed as a number between 0 and 1. The lower a window's solar heat gain coefficient, the less solar heat it transmits.

If you have moderate air conditioning requirements, select windows with a SHGC of 0.55 or less. While windows with lower SHGC values reduce summer cooling and overheating, they also reduce free winter solar heat gain.



3/16" Clear Tempered
1/2" Insulated Tempered LowE Squared
3/16" Clear Tempered
SHGC: 0.92
1/2" Insulated Tempered LowE Squared
SHGC: 0.41
   
1/4" Clear Laminate
1/4" Enery ADV LowE
1/4" Clear Laminate
SHGC: 0.81
1/4" Energy ADV LowE Laminate
SHGC: 0.76
   
1/4" Heat Mirror Laminate XIR Film
 
1/4" Heat Mirror Laminate XIR Film
SHGC: 0.38
 

 

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