Deceuninck Window Systems 

Our innovative, energy-efficient window and door portfolio takes its inspiration from the buildings in which we live and work.

Industry Leading Products

Deceuninck’s world-class designs lead the industry in elegant good looks, precision design and intelligent performance. The versatile design options offer a range of possibilities, to meet all your window fabrication needs. Learn how our expects help you select the right window system for you.

Window SystemOperationDesignPerformance
440 Series / EosDH, HS, PW, SH, SS, CA, AWFrame Width: 3 ¼”
IG Options: ¾”, 7/8″, 1″, 1 ¼” (Dual & triple pane options)
Structural: DP50
Thermal Performance Range U-Factor: .27-.15
Impact Capable: Yes
179 Series / EnergexDH, HS, PWFrame Width: 3 ¼”
IG Options: 1″
Structural: DP50
Thermal Performance Range U-Factor: .48-.19
Impact Capable: Yes
279 Series / EnergexDH, HS, PWFrame Width: 3 ¼”
IG Options: 1″
Structural: DP50
Thermal Performance Range U-Factor: .49-.18
Impact Capable: Yes
165 SeriesPW, SH, SSFrame Width: 3 ¼”
IG Options: 1″
Structural: DP50
Thermal Performance Range U-Factor: .46-.28
Impact Capable: Yes
176 SeriesPW, SH, SSFrame Width: 3 ¼”
IG Options: 1″
Structural: DP50
Thermal Performance Range U-Factor: .46-.28
Impact Capable: Yes
074 SeriesCA, AW, SH, SS, DH, HS, PWFrame Width: 3 ¼”
IG Options: 15/16″
Structural: DP50
Thermal Performance Range U-Factor: .40-.19
Impact Capable: No
164 SeriesSH, SS, PWFrame Width: 3 ¼”
IG Options: Up to ¾”
Structural: DP50
Impact Capable: Yes
326 SeriesPW, CA, SH, SSFrame Width: 3 ½”
IG Options: Up 1 1/8″
Structural: DP50
Thermal Performance Range U-Factor: .19
Impact Capable: No
073/173 SeriesDH, HS, PW Frame Width: 3 ¼”
IG Options: 7/8″
Structural: DP50
Thermal Performance Range U-Factor: .28-.24
Impact Capable: No
145 SeriesDH, HS, PW, SH, SSFrame Width: 3 ¼”
IG Options: ¾”
Structural: DP50
Thermal Performance Range U-Factor: .49-.21
Impact Capable: Yes
140 SeriesCA, AW, PW Frame Width: 3 ¼”
IG Options: ¾”
Structural: DP50
Thermal Performance Range U-Factor: .42-.19
Impact Capable: No
335/336 SeriesPW, SH, SSFrame Width: 2 7/8″
IG Options: Up to ¾”
Structural: DP35
Thermal Performance Range U-Factor: .27
Impact Capable: No
146 SeriesPW, SH, SSFrame Width: 3 ¼”
IG Options: ¾”
Structural: DP50
Thermal Performance Range U-Factor: .27
Impact Capable: No
300 SeriesDH, PW, SH, SSFrame Width: 2 7/8″ (DH 3 ¼”)
IG Options: ¾”
Structural: DP50
Thermal Performance Range U-Factor: .27
Impact Capable: No
330 SeriesPW, SH, SSFrame Width: 2 11/16″
IG Options: ¾”
Structural: DP35
Thermal Performance Range U-Factor: .47-.25
Impact Capable: Yes

*Actual performance depends on window configuration and glass package. Contact Deceuninck for more information.

Schedule time with a performance expert 

We understand that you’re not only buying one of our PVC window profiles, you’re buying into our people. That’s why we focus on listening carefully to what you need. If you’re curious about how much better your window performance could be, let’s talk.