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  • ENERGY STAR Most Efficient 2025
    Windows, Doors & Skylights
    THE YEAR'S BEST OF ENERGY STAR FOR EFFICIENCY & INNOVATION

    Products that make the ENERGY STAR Most Efficient list for 2025 deliver cutting edge energy efficiency along with the latest in technological innovation. They represent the year’s very best for energy savings and environmental protection.
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Series Name:
Universal Series Fixed Window Interior Glazed
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Fiberglass
ME U-Factor Min Field details:
0.08
ME SHGC Min. Field details:
0.06
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.53
ME Total ES Options Certified Field details:
192
ME Northern Zone Options Field details:
108
ME North-Central Zone Options Field details:
174
ME Southern Zone Options Field details:
129
ME South-Central Zone Options Field details:
122
Series Name:
Universal Series Tilt Slide Door
Product Category Field details:
Door
Product Type Field details:
Sliding Patio Door
Frame Material:
Fiberglass
ME U-Factor Min Field details:
0.08
ME SHGC Min. Field details:
0.05
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.38
ME Total ES Options Certified Field details:
257
ME Northern Zone Options Field details:
85
ME North-Central Zone Options Field details:
249
ME Southern Zone Options Field details:
213
ME South-Central Zone Options Field details:
205
Series Name:
Universal Series Inswing Tilt-Turn Window
Product Category Field details:
Window
Product Type Field details:
Dual Action (Tilt Turn)
Frame Material:
Fiberglass
ME U-Factor Min Field details:
0.09
ME SHGC Min. Field details:
0.05
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.44
ME Total ES Options Certified Field details:
201
ME Northern Zone Options Field details:
71
ME North-Central Zone Options Field details:
181
ME Southern Zone Options Field details:
161
ME South-Central Zone Options Field details:
142
Series Name:
Forgent Casement Direct Set
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic), Wood
ME U-Factor Min Field details:
0.10
ME SHGC Min. Field details:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.53
ME Total ES Options Certified Field details:
1,602
ME Northern Zone Options Field details:
656
ME North-Central Zone Options Field details:
1,296
ME Southern Zone Options Field details:
1,098
ME South-Central Zone Options Field details:
996
Series Name:
Forgent DH Direct Set
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic), Wood
ME U-Factor Min Field details:
0.10
ME SHGC Min. Field details:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.47
ME Total ES Options Certified Field details:
828
ME Northern Zone Options Field details:
316
ME North-Central Zone Options Field details:
656
ME Southern Zone Options Field details:
588
ME South-Central Zone Options Field details:
494
Series Name:
Tyrol Fixed Picture
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.10
ME SHGC Min. Field details:
0.17
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.48
ME Total ES Options Certified Field details:
78
ME Northern Zone Options Field details:
55
ME North-Central Zone Options Field details:
60
ME Southern Zone Options Field details:
30
ME South-Central Zone Options Field details:
30
Series Name:
Forgent Casement Picture
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic), Wood
ME U-Factor Min Field details:
0.11
ME SHGC Min. Field details:
0.10
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.44
ME Total ES Options Certified Field details:
850
ME Northern Zone Options Field details:
288
ME North-Central Zone Options Field details:
696
ME Southern Zone Options Field details:
682
ME South-Central Zone Options Field details:
552
Series Name:
VistaLuxe Direct Set
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.11
ME SHGC Min. Field details:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.55
ME Total ES Options Certified Field details:
1,012
ME Northern Zone Options Field details:
446
ME North-Central Zone Options Field details:
822
ME Southern Zone Options Field details:
666
ME South-Central Zone Options Field details:
610
Series Name:
Heritage Casement Picture Sash Set
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.11
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.41
ME Total ES Options Certified Field details:
788
ME Northern Zone Options Field details:
252
ME North-Central Zone Options Field details:
748
ME Southern Zone Options Field details:
636
ME South-Central Zone Options Field details:
598
Series Name:
Universal Series Inswing Hopper Window
Product Category Field details:
Window
Product Type Field details:
Awning (Projected)
Frame Material:
Fiberglass
ME U-Factor Min Field details:
0.11
ME SHGC Min. Field details:
0.05
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.35
ME Total ES Options Certified Field details:
194
ME Northern Zone Options Field details:
30
ME North-Central Zone Options Field details:
170
ME Southern Zone Options Field details:
169
ME South-Central Zone Options Field details:
145
Series Name:
Tyrol Tilt Turn
Product Category Field details:
Window
Product Type Field details:
Dual Action (Tilt Turn)
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.15
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.41
ME Total ES Options Certified Field details:
113
ME Northern Zone Options Field details:
70
ME North-Central Zone Options Field details:
112
ME Southern Zone Options Field details:
57
ME South-Central Zone Options Field details:
57
Series Name:
Defender 88PH+ XI Fixed
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.42
ME Total ES Options Certified Field details:
5,760
ME Northern Zone Options Field details:
2,896
ME North-Central Zone Options Field details:
5,730
ME Southern Zone Options Field details:
3,934
ME South-Central Zone Options Field details:
3,934
Series Name:
Ultra Direct Set Family
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.54
ME Total ES Options Certified Field details:
976
ME Northern Zone Options Field details:
421
ME North-Central Zone Options Field details:
837
ME Southern Zone Options Field details:
667
ME South-Central Zone Options Field details:
640
Series Name:
A280/A580/S280/S580/A390 Fixed
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.07
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.36
ME Total ES Options Certified Field details:
4,183
ME Northern Zone Options Field details:
2,398
ME North-Central Zone Options Field details:
3,452
ME Southern Zone Options Field details:
2,517
ME South-Central Zone Options Field details:
1,786
Series Name:
400/500 Series Picture Window
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.15
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.30
ME Total ES Options Certified Field details:
75
ME Northern Zone Options Field details:
41
ME North-Central Zone Options Field details:
64
ME Southern Zone Options Field details:
57
ME South-Central Zone Options Field details:
46
Series Name:
Universal Series Outswing Casement Window
Product Category Field details:
Window
Product Type Field details:
Casement Windows
Frame Material:
Fiberglass
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.05
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.35
ME Total ES Options Certified Field details:
279
ME Northern Zone Options Field details:
50
ME North-Central Zone Options Field details:
252
ME Southern Zone Options Field details:
240
ME South-Central Zone Options Field details:
213
Series Name:
Forgent Casement
Product Category Field details:
Window
Product Type Field details:
Casement Windows
Frame Material:
Vinyl (or other plastic), Wood
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.53
ME Total ES Options Certified Field details:
850
ME Northern Zone Options Field details:
272
ME North-Central Zone Options Field details:
768
ME Southern Zone Options Field details:
682
ME South-Central Zone Options Field details:
612
Series Name:
Universal Series Outswing Awning Window
Product Category Field details:
Window
Product Type Field details:
Awning (Projected)
Frame Material:
Fiberglass
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.05
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.36
ME Total ES Options Certified Field details:
289
ME Northern Zone Options Field details:
47
ME North-Central Zone Options Field details:
265
ME Southern Zone Options Field details:
254
ME South-Central Zone Options Field details:
230
Series Name:
Defender 88PH+ XI Dual Action
Product Category Field details:
Window
Product Type Field details:
Dual Action (Tilt Turn)
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.12
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.36
ME Total ES Options Certified Field details:
5,760
ME Northern Zone Options Field details:
2,064
ME North-Central Zone Options Field details:
5,760
ME Southern Zone Options Field details:
4,204
ME South-Central Zone Options Field details:
4,204
Series Name:
Heritage Push Out Casement Picture
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.12
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.45
ME Total ES Options Certified Field details:
542
ME Northern Zone Options Field details:
200
ME North-Central Zone Options Field details:
515
ME Southern Zone Options Field details:
414
ME South-Central Zone Options Field details:
402