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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:
SR CASE PW Vinyl Fixed Window
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.08
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.46
ME Total ES Options Certified Field details:
2,612
ME Northern Zone Options Field details:
1,178
ME North-Central Zone Options Field details:
2,003
ME Southern Zone Options Field details:
1,871
ME South-Central Zone Options Field details:
1,421
Series Name:
TG/NW3/Destiny/Sentinel Deadlite
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.26
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.39
ME Total ES Options Certified Field details:
19
ME Northern Zone Options Field details:
19
ME North-Central Zone Options Field details:
19
ME Southern Zone Options Field details:
0
ME South-Central Zone Options Field details:
0
Series Name:
6300 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:
0.14
ME SHGC Min. Field details:
0.18
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.47
ME Total ES Options Certified Field details:
156
ME Northern Zone Options Field details:
84
ME North-Central Zone Options Field details:
78
ME Southern Zone Options Field details:
84
ME South-Central Zone Options Field details:
36
Series Name:
Casement Deadlite
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.23
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.31
ME Total ES Options Certified Field details:
51
ME Northern Zone Options Field details:
49
ME North-Central Zone Options Field details:
49
ME Southern Zone Options Field details:
9
ME South-Central Zone Options Field details:
7
Series Name:
Forgent Sliding Door
Product Category Field details:
Door
Product Type Field details:
Sliding Patio Door
Frame Material:
Vinyl (or other plastic), Wood
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.40
ME Total ES Options Certified Field details:
544
ME Northern Zone Options Field details:
175
ME North-Central Zone Options Field details:
524
ME Southern Zone Options Field details:
428
ME South-Central Zone Options Field details:
408
Series Name:
3075/3065 Direct Set 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:
0.14
ME SHGC Min. Field details:
0.10
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.45
ME Total ES Options Certified Field details:
3,712
ME Northern Zone Options Field details:
1,198
ME North-Central Zone Options Field details:
1,455
ME Southern Zone Options Field details:
3,246
ME South-Central Zone Options Field details:
1,061
Series Name:
8340T2 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:
0.14
ME SHGC Min. Field details:
0.10
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.45
ME Total ES Options Certified Field details:
3,598
ME Northern Zone Options Field details:
1,093
ME North-Central Zone Options Field details:
1,357
ME Southern Zone Options Field details:
3,186
ME South-Central Zone Options Field details:
1,004
Series Name:
7700/7800 Casement 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:
0.14
ME SHGC Min. Field details:
0.22
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.28
ME Total ES Options Certified Field details:
18
ME Northern Zone Options Field details:
17
ME North-Central Zone Options Field details:
17
ME Southern Zone Options Field details:
6
ME South-Central Zone Options Field details:
5
Series Name:
7560 Awning
Product Category Field details:
Window
Product Type Field details:
Awning (Projected)
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.19
ME U-Factor Max Field details:
0.17
ME SHGC Max Field details:
0.21
ME Total ES Options Certified Field details:
24
ME Northern Zone Options Field details:
8
ME North-Central Zone Options Field details:
24
ME Southern Zone Options Field details:
24
ME South-Central Zone Options Field details:
24
Series Name:
Axio Tilt Turn Window
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:
0.14
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.38
ME Total ES Options Certified Field details:
2,179
ME Northern Zone Options Field details:
1,049
ME North-Central Zone Options Field details:
2,006
ME Southern Zone Options Field details:
1,520
ME South-Central Zone Options Field details:
1,347
Series Name:
1615T Polyvinyl Chloride (PVC) Transom
Product Category Field details:
Window
Product Type Field details:
Transom
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.08
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.48
ME Total ES Options Certified Field details:
1,165
ME Northern Zone Options Field details:
316
ME North-Central Zone Options Field details:
729
ME Southern Zone Options Field details:
943
ME South-Central Zone Options Field details:
576
Series Name:
8500 PVC Fixed
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.15
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.53
ME Total ES Options Certified Field details:
8,506
ME Northern Zone Options Field details:
5,834
ME North-Central Zone Options Field details:
6,688
ME Southern Zone Options Field details:
3,818
ME South-Central Zone Options Field details:
2,782
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:
0.14
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.42
ME Total ES Options Certified Field details:
820
ME Northern Zone Options Field details:
252
ME North-Central Zone Options Field details:
748
ME Southern Zone Options Field details:
668
ME South-Central Zone Options Field details:
598
Series Name:
A171 Picture
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.07
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.40
ME Total ES Options Certified Field details:
4,257
ME Northern Zone Options Field details:
2,165
ME North-Central Zone Options Field details:
3,462
ME Southern Zone Options Field details:
2,898
ME South-Central Zone Options Field details:
2,103
Series Name:
Ultimate Direct Glaze Round Top
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.61
ME Total ES Options Certified Field details:
3,379
ME Northern Zone Options Field details:
2,457
ME North-Central Zone Options Field details:
2,438
ME Southern Zone Options Field details:
1,370
ME South-Central Zone Options Field details:
1,138
Series Name:
07-09 / 07-10 / 07-20 / 07-75 PW
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.08
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.47
ME Total ES Options Certified Field details:
8,055
ME Northern Zone Options Field details:
544
ME North-Central Zone Options Field details:
1,157
ME Southern Zone Options Field details:
7,744
ME South-Central Zone Options Field details:
969
Series Name:
7560 Casement
Product Category Field details:
Window
Product Type Field details:
Casement Windows
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.15
ME U-Factor Max Field details:
0.17
ME SHGC Max Field details:
0.21
ME Total ES Options Certified Field details:
36
ME Northern Zone Options Field details:
8
ME North-Central Zone Options Field details:
36
ME Southern Zone Options Field details:
36
ME South-Central Zone Options Field details:
36
Series Name:
Zenith Grandline Sliding Glass Door
Product Category Field details:
Door
Product Type Field details:
Sliding Patio Door
Frame Material:
Fiberglass
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.40
ME Total ES Options Certified Field details:
191
ME Northern Zone Options Field details:
109
ME North-Central Zone Options Field details:
179
ME Southern Zone Options Field details:
92
ME South-Central Zone Options Field details:
80
Series Name:
630 Wood Direct Set
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.51
ME Total ES Options Certified Field details:
2,220
ME Northern Zone Options Field details:
1,116
ME North-Central Zone Options Field details:
1,894
ME Southern Zone Options Field details:
1,473
ME South-Central Zone Options Field details:
1,204
Series Name:
Ultra Casement_Sliding Door Transom Sash Set
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.09
ME U-Factor Max Field details:
0.19
ME SHGC Max Field details:
0.44
ME Total ES Options Certified Field details:
1,054
ME Northern Zone Options Field details:
342
ME North-Central Zone Options Field details:
1,044
ME Southern Zone Options Field details:
827
ME South-Central Zone Options Field details:
827