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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:
2555 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:
0.50
ME Total ES Options Certified Field details:
472
ME Northern Zone Options Field details:
303
ME North-Central Zone Options Field details:
345
ME Southern Zone Options Field details:
220
ME South-Central Zone Options Field details:
177
Series Name:
Ultra Push-Out Casement Picture
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Wood
ME U-Factor Min Field details:
0.14
ME SHGC Min. Field details:
0.10
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.47
ME Total ES Options Certified Field details:
1,492
ME Northern Zone Options Field details:
576
ME North-Central Zone Options Field details:
1,400
ME Southern Zone Options Field details:
1,160
ME South-Central Zone Options Field details:
1,106
Series Name:
Vinyl Fixed Casement 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:
0.17
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.48
ME Total ES Options Certified Field details:
5,075
ME Northern Zone Options Field details:
2,842
ME North-Central Zone Options Field details:
3,313
ME Southern Zone Options Field details:
2,755
ME South-Central Zone Options Field details:
1,590
Series Name:
12710 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:
0.13
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.49
ME Total ES Options Certified Field details:
259
ME Northern Zone Options Field details:
145
ME North-Central Zone Options Field details:
113
ME Southern Zone Options Field details:
146
ME South-Central Zone Options Field details:
32
Series Name:
PW 710/4710
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:
0.21
ME SHGC Max Field details:
0.24
ME Total ES Options Certified Field details:
48
ME Northern Zone Options Field details:
24
ME North-Central Zone Options Field details:
46
ME Southern Zone Options Field details:
44
ME South-Central Zone Options Field details:
42
Series Name:
PW610-6610-510-5510
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:
0.21
ME U-Factor Max Field details:
0.18
ME SHGC Max Field details:
0.23
ME Total ES Options Certified Field details:
14
ME Northern Zone Options Field details:
14
ME North-Central Zone Options Field details:
14
ME Southern Zone Options Field details:
14
ME South-Central Zone Options Field details:
14
Series Name:
7510 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:
0.18
ME SHGC Max Field details:
0.23
ME Total ES Options Certified Field details:
36
ME Northern Zone Options Field details:
24
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:
Clad Aspen Fixed
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:
0.10
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.44
ME Total ES Options Certified Field details:
442
ME Northern Zone Options Field details:
187
ME North-Central Zone Options Field details:
314
ME Southern Zone Options Field details:
299
ME South-Central Zone Options Field details:
187
Series Name:
Forgent Single Slider
Product Category Field details:
Window
Product Type Field details:
Single Slider
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:
0.19
ME SHGC Max Field details:
0.43
ME Total ES Options Certified Field details:
3,000
ME Northern Zone Options Field details:
1,008
ME North-Central Zone Options Field details:
2,992
ME Southern Zone Options Field details:
2,392
ME South-Central Zone Options Field details:
2,392
Series Name:
2020 Supreme Narrow 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:
0.23
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.55
ME Total ES Options Certified Field details:
14
ME Northern Zone Options Field details:
14
ME North-Central Zone Options Field details:
8
ME Southern Zone Options Field details:
1
ME South-Central Zone Options Field details:
1
Series Name:
Zenith Narrowline 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:
0.12
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.40
ME Total ES Options Certified Field details:
153
ME Northern Zone Options Field details:
75
ME North-Central Zone Options Field details:
144
ME Southern Zone Options Field details:
78
ME South-Central Zone Options Field details:
69
Series Name:
8500 PVC 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:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.48
ME Total ES Options Certified Field details:
9,775
ME Northern Zone Options Field details:
5,709
ME North-Central Zone Options Field details:
7,728
ME Southern Zone Options Field details:
5,970
ME South-Central Zone Options Field details:
4,112
Series Name:
Forgent Double Hung
Product Category Field details:
Window
Product Type Field details:
Double Hung
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:
0.19
ME SHGC Max Field details:
0.43
ME Total ES Options Certified Field details:
3,000
ME Northern Zone Options Field details:
1,008
ME North-Central Zone Options Field details:
2,992
ME Southern Zone Options Field details:
2,392
ME South-Central Zone Options Field details:
2,392
Series Name:
A682/692 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:
0.05
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.31
ME Total ES Options Certified Field details:
29,665
ME Northern Zone Options Field details:
6,966
ME North-Central Zone Options Field details:
22,031
ME Southern Zone Options Field details:
27,526
ME South-Central Zone Options Field details:
19,892
Series Name:
852 High 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:
0.14
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.48
ME Total ES Options Certified Field details:
26
ME Northern Zone Options Field details:
14
ME North-Central Zone Options Field details:
17
ME Southern Zone Options Field details:
14
ME South-Central Zone Options Field details:
10
Series Name:
Siteline Clad Wood (W-5500) Fixed Direct Set Geo
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:
0.18
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.52
ME Total ES Options Certified Field details:
394
ME Northern Zone Options Field details:
282
ME North-Central Zone Options Field details:
132
ME Southern Zone Options Field details:
125
ME South-Central Zone Options Field details:
13
Series Name:
750 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:
0.14
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.40
ME Total ES Options Certified Field details:
31
ME Northern Zone Options Field details:
19
ME North-Central Zone Options Field details:
29
ME Southern Zone Options Field details:
20
ME South-Central Zone Options Field details:
18
Series Name:
EU 76 Septem 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:
0.14
ME SHGC Min. Field details:
0.13
ME U-Factor Max Field details:
0.21
ME SHGC Max Field details:
0.38
ME Total ES Options Certified Field details:
102
ME Northern Zone Options Field details:
30
ME North-Central Zone Options Field details:
72
ME Southern Zone Options Field details:
78
ME South-Central Zone Options Field details:
48
Series Name:
7700, 8400, 8800 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:
0.47
ME Total ES Options Certified Field details:
2,637
ME Northern Zone Options Field details:
229
ME North-Central Zone Options Field details:
318
ME Southern Zone Options Field details:
2,457
ME South-Central Zone Options Field details:
206
Series Name:
8500 Hybrid Fixed
Product Category Field details:
Window
Product Type Field details:
Picture Window
Frame Material:
Aluminum
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:
0.48
ME Total ES Options Certified Field details:
14,674
ME Northern Zone Options Field details:
8,961
ME North-Central Zone Options Field details:
10,590
ME Southern Zone Options Field details:
7,771
ME South-Central Zone Options Field details:
4,852