• 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:
Ultimate Direct Glaze Rectangle / Polygon
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.13
ME SHGC Min. Field details:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.59
ME Total ES Options Certified Field details:
7,260
ME Northern Zone Options Field details:
3,978
ME North-Central Zone Options Field details:
4,232
ME Southern Zone Options Field details:
3,756
ME South-Central Zone Options Field details:
1,908
Series Name:
700 / 7000 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:
0.14
ME SHGC Min. Field details:
0.18
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.43
ME Total ES Options Certified Field details:
85
ME Northern Zone Options Field details:
70
ME North-Central Zone Options Field details:
70
ME Southern Zone Options Field details:
65
ME South-Central Zone Options Field details:
56
Series Name:
442/6802 Direct Set CS 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:
0.16
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.48
ME Total ES Options Certified Field details:
607
ME Northern Zone Options Field details:
396
ME North-Central Zone Options Field details:
348
ME Southern Zone Options Field details:
349
ME South-Central Zone Options Field details:
210
Series Name:
100 Series/Series 2 Fixed/Specialty Windows
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Composite Material, Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.13
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.47
ME Total ES Options Certified Field details:
2,845
ME Northern Zone Options Field details:
1,157
ME North-Central Zone Options Field details:
2,149
ME Southern Zone Options Field details:
1,819
ME South-Central Zone Options Field details:
1,215
Series Name:
7400/3100 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:
0.15
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.36
ME Total ES Options Certified Field details:
1,518
ME Northern Zone Options Field details:
905
ME North-Central Zone Options Field details:
1,316
ME Southern Zone Options Field details:
1,127
ME South-Central Zone Options Field details:
925
Series Name:
7400/3100 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:
0.15
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.36
ME Total ES Options Certified Field details:
1,518
ME Northern Zone Options Field details:
905
ME North-Central Zone Options Field details:
1,316
ME Southern Zone Options Field details:
1,127
ME South-Central Zone Options Field details:
925
Series Name:
Complementary Wood Specialty Windows - 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:
0.50
ME Total ES Options Certified Field details:
1,872
ME Northern Zone Options Field details:
900
ME North-Central Zone Options Field details:
1,468
ME Southern Zone Options Field details:
1,080
ME South-Central Zone Options Field details:
840
Series Name:
402 P3 Premium Low Fixed 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:
0.16
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.56
ME Total ES Options Certified Field details:
28
ME Northern Zone Options Field details:
20
ME North-Central Zone Options Field details:
16
ME Southern Zone Options Field details:
12
ME South-Central Zone Options Field details:
8
Series Name:
ES-V76 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:
0.14
ME SHGC Min. Field details:
0.07
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.23
ME Total ES Options Certified Field details:
307
ME Northern Zone Options Field details:
12
ME North-Central Zone Options Field details:
159
ME Southern Zone Options Field details:
307
ME South-Central Zone Options Field details:
159
Series Name:
250 Series / Power Symphony 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:
0.18
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.48
ME Total ES Options Certified Field details:
65
ME Northern Zone Options Field details:
17
ME North-Central Zone Options Field details:
19
ME Southern Zone Options Field details:
53
ME South-Central Zone Options Field details:
13
Series Name:
V300 Direct Set Narrow
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:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.49
ME Total ES Options Certified Field details:
1,245
ME Northern Zone Options Field details:
180
ME North-Central Zone Options Field details:
372
ME Southern Zone Options Field details:
1,089
ME South-Central Zone Options Field details:
264
Series Name:
802 Low 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:
0.16
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.54
ME Total ES Options Certified Field details:
22
ME Northern Zone Options Field details:
13
ME North-Central Zone Options Field details:
12
ME Southern Zone Options Field details:
12
ME South-Central Zone Options Field details:
8
Series Name:
8200 Plus 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:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.32
ME Total ES Options Certified Field details:
1,391
ME Northern Zone Options Field details:
728
ME North-Central Zone Options Field details:
1,019
ME Southern Zone Options Field details:
936
ME South-Central Zone Options Field details:
564
Series Name:
6000 Potomac Series 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:
0.17
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.25
ME Total ES Options Certified Field details:
48
ME Northern Zone Options Field details:
20
ME North-Central Zone Options Field details:
32
ME Southern Zone Options Field details:
44
ME South-Central Zone Options Field details:
28
Series Name:
8200 Sliding Glass Door
Product Category Field details:
Door
Product Type Field details:
Sliding Patio Door
Frame Material:
Vinyl (or other plastic)
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.13
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.25
ME Total ES Options Certified Field details:
24
ME Northern Zone Options Field details:
6
ME North-Central Zone Options Field details:
23
ME Southern Zone Options Field details:
22
ME South-Central Zone Options Field details:
21
Series Name:
8320T2.8330T2 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:
0.11
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.45
ME Total ES Options Certified Field details:
2,338
ME Northern Zone Options Field details:
929
ME North-Central Zone Options Field details:
965
ME Southern Zone Options Field details:
1,918
ME South-Central Zone Options Field details:
628
Series Name:
Forgent Awning
Product Category Field details:
Window
Product Type Field details:
Awning (Projected)
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:
778
ME Northern Zone Options Field details:
252
ME North-Central Zone Options Field details:
748
ME Southern Zone Options Field details:
626
ME South-Central Zone Options Field details:
598
Series Name:
Modern Direct Glaze Rectangle/Polygon
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Fiberglass
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:
0.50
ME Total ES Options Certified Field details:
884
ME Northern Zone Options Field details:
699
ME North-Central Zone Options Field details:
709
ME Southern Zone Options Field details:
424
ME South-Central Zone Options Field details:
348
Series Name:
Endure 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:
0.16
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.26
ME Total ES Options Certified Field details:
391
ME Northern Zone Options Field details:
181
ME North-Central Zone Options Field details:
305
ME Southern Zone Options Field details:
327
ME South-Central Zone Options Field details:
241
Series Name:
Vinyl 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:
0.15
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.26
ME Total ES Options Certified Field details:
391
ME Northern Zone Options Field details:
173
ME North-Central Zone Options Field details:
305
ME Southern Zone Options Field details:
343
ME South-Central Zone Options Field details:
257