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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:
Ultimate Wood Double Hung / Single Hung Magnum
Product Category Field details:
Window
Product Type Field details:
Double Hung
Frame Material:
Wood
ME U-Factor Min Field details:
0.13
ME SHGC Min. Field details:
0.13
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.41
ME Total ES Options Certified Field details:
671
ME Northern Zone Options Field details:
369
ME North-Central Zone Options Field details:
587
ME Southern Zone Options Field details:
455
ME South-Central Zone Options Field details:
375
Series Name:
TG/NW3/Destiny/DuraTrust/Clarion 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:
0.13
ME SHGC Min. Field details:
0.25
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.38
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:
8605/3205 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:
0.13
ME SHGC Min. Field details:
0.16
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.36
ME Total ES Options Certified Field details:
1,534
ME Northern Zone Options Field details:
922
ME North-Central Zone Options Field details:
1,342
ME Southern Zone Options Field details:
1,102
ME South-Central Zone Options Field details:
910
Series Name:
8605/3205 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:
0.13
ME SHGC Min. Field details:
0.16
ME U-Factor Max Field details:
0.22
ME SHGC Max Field details:
0.36
ME Total ES Options Certified Field details:
1,534
ME Northern Zone Options Field details:
922
ME North-Central Zone Options Field details:
1,342
ME Southern Zone Options Field details:
1,102
ME South-Central Zone Options Field details:
910
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:
7700/7800 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:
0.24
ME U-Factor Max Field details:
0.20
ME SHGC Max Field details:
0.30
ME Total ES Options Certified Field details:
12
ME Northern Zone Options Field details:
12
ME North-Central Zone Options Field details:
12
ME Southern Zone Options Field details:
0
ME South-Central Zone Options Field details:
0
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:
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:
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