Thermal – Kingston

Huntington – KG4S

High Performance Low e, Argon gas

 
Style u-value r-value SHGC VT
Picture Window 0.26 3.8 0.23 0.53
Casement/Awning 0.25 4.0 0.17 0.4
Double Hung 0.27 3.8 0.21 0.48
Slider 0.27 3.7 0.21 0.48
Sliding Patio Door 0.3 3.3 0.2 0.45
Swing Patio Door 0.31 3.2 0.19 0.43
 

Kingston – KG4N

High Performance Low e, Argon gas

Style u-value r-value SHGC VT
Picture Window 0.26 3.8 0.4 0.6
Casement/Awning 0.26 3.8 0.31 0.45
Double Hung 0.27 3.7 0.36 0.54
Slider 0.28 3.6 0.36 0.54
Sliding Patio Door 0.31 3.2 0.33 0.5
Swing Patio Door 0.31 3.2 0.32 0.48

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Kingston – KG5

High Performance Low e, 4th Surface Low e, Argon gas

Style u-value r-value SHGC VT
Picture Window 0.22 4.5 0.31 0.54
Casement/Awning 0.22 4.5 0.24 0.41
Double Hung 0.23 4.3 0.29 0.49
Slider 0.24 4.2 0.28 0.49
Sliding Patio Door 0.26 3.8 0.26 0.45
Swing Patio Door 0.27 3.7 0.25 0.43
 

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