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Here is a simple comparison of several leading window manufacturers.

 

 

www.SuntechWindowsCT.com

    
   
   
   
   
       
  FEATURES Pella Architect Series Bonneville Gold Series Marvin Ultimate Series Andersen 400 Woodwright Series  
WOOD FEATURES        
Eastern White Pine (Slow Growth Pine) X    
Rapid Growth Pine X   X X
Red Cedar X    
Vertical Grain Douglas Fir X X X
Generic Mahogany X   X
Cedro Macho   X
Factory Prime All Wood Types X    
Jamb Jack Screws X    
Oak     X
Maple     X
Alder X X
CLADDING        
Extruded Aluminum or Roll Form X X X Vinyl
Cladding Thickness 0.5mm 0.5mm 0.5mm NA
Custom Colors X X X
Coastal Finish with 20 Year Warranty Non-prorated X
GRILLES        
SDL X X X X
GBG X X X X
REMOVABLE X X X X
TDL X X X X
Multiple SDL Sizes X X X X
Spacer Bars X X X X
ARCHITECTURAL SPECIFICATIONS        
Double Hung Design Pressure Rating DP55 DP55 or above DP50 DP30
U Factor – Clad Double Hung with Low – E and SDL w/ Spacers 0.30 0.30 0.32 0.29
SHGC – Clad Double Hung with Low – E and SDL w/ Spacers 0.49 0.29 0.24 0.20
Visible Light Transmittance 0.54 0.51 0.40 0.47
Stainless Steel Spacers on IGU’s X   X
Multiple Surface Low-E or Advanced Low-E Available X   X X
Extra LEED points for being within 500 Miles of CT and NYC X  
Argon Retention Rate +/- 1% +/- 1% +/- 5% +/- 1%

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